FREE ENGLISH GROEN HY-3E (01) PDF USER GUIDE
FREE ENGLISH GROEN HY-3E (01) PDF USER MANUAL
FREE ENGLISH GROEN HY-3E (01) PDF OWNER GUIDE
FREE ENGLISH GROEN HY-3E (01) PDF OWNER MANUAL
FREE ENGLISH GROEN HY-3E (01) PDF REFERENCE GUIDE
FREE ENGLISH GROEN HY-3E (01) PDF INSTRUCTION GUIDE
FREE ENGLISH GROEN HY-3E (01) PDF REFERENCE MANUAL
FREE ENGLISH GROEN HY-3E (01) PDF INSTRUCTION MANUAL
FREE ENGLISH GROEN HY-3E (01) PDF OPERATING INSTRUCTIONS
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GROEN HY-3E (01) PDF SUMMARY:
What should I do if I notice damage to the shipping container?
It is the responsibility of the consignee to inspect the container upon receipt and to determine the possibility of any damage, including concealed damage. If you suspect damage, make a notation on the delivery receipt and file a claim with the carrier immediately.
What are some important things to keep in mind when installing the unit?
These appliances must be installed by a competent person in conformity with the installation and servicing instructions and national regulations in force at the time. Particular attention must be paid to I.E.E. regulations for electrical installations, electricity at work regulations, health and safety at work act, fire precautions act, and local and national building regulations.
What precautions should I take when operating the unit?
Users should be conversant with the appropriate provisions of the Fire Precautions Act. It is the responsibility of the supervisor to ensure that users wear suitable protective clothing, and to draw attention to the fact that some parts will become very hot and will cause burns if touched accidentally. Avoid exposure to the steam coming out when opening the door. Ensure that the electrical supply is disconnected before attempting any servicing.
Who should install the unit?
The unit must be installed by personnel qualified to work with electricity and plumbing.
What should I avoid when installing the unit?
Do not install the unit in any way that will block the right side vents, or within 12 inches of a heat source. Level the unit front to back, or pitch it slightly to the rear, to avoid drainage problems. Do not use plastic pipe for the drain, and the drain must be rated for boiling water. Do not connect the drain directly to a building drain. Do not allow any water traps in the line.
What should I do when I open the door of the unit?
When you open the door, stay away from steam coming out of the unit because it can cause burns.
How do I clean the outside of the unit?
Before cleaning the outside of the steamer, disconnect the electric power supply. Keep water and cleaning solutions out of controls and electrical components. Never hose or steam clean any part of the unit.
What should I do before cleaning the cooking chamber?
Allow the cooking chamber to cool before cleaning.
What safety precautions should I take when using cleaning agents?
Carefully read the warnings and follow the directions on the label of each cleaning agent. Use safety glasses and rubber gloves as recommended by the de-liming agent manufacturer. Do not mix de-liming agents (acid) and de-greasers (alkali).
What should I not do when cleaning the cooking chamber?
Do not put hands or tools into the cooking chamber until the fan has stopped turning. Do not operate the unit unless the removable left and right side panels have been returned to their proper locations.
What cleaning or de-liming agents should I avoid?
Do not use a cleaning or de-liming agent that contains any sulfamic acid or any chloride, including hydrochloric acid. Do not use any de-greaser that contains potassium hydroxide or sodium hydroxide or that is alkaline.
What can void the warranty or cause injury?
Use of any replacement parts other than those supplied by Groen or their authorized distributor voids all warranties and can result in bodily injury to the operator and damage the equipment. Service by other than factory authorized personnel will void all warranties.
What should I do before servicing the unit?
Disconnect the unit from the branch before servicing due to high voltage inside control compartments, failure to do so can result in serious injury or death.
What are the main components of the Groen HY-3E and HY-5E steamers?
The Groen HY-3E or HY-5E HyPerSteam Convection Steamer has a stainless steel cavity (cooking chamber), an independent atmospheric steam generator which is electrically heated and a powerful blower circulates the steam in the cavity.
How many pans can each steamer hold?
The HY-3E holds up to three standard steam table pans and the HY-5E holds up to five standard steam table pans.
What kind of controls do these units have?
Model HY-3E and HY-5E steamers are equipped with fully electronic controls and a button activated, pre-programmed CLEAN cycle. These units have touch pad controls.
What feature allows for easy fuse changes?
Both units are distinguished by the addition of a “fuse box” which allows the operator to change fuses without removing panels.
How does the drain system work?
The drain system on all models includes a spray condenser, which helps keep steam from escaping from the chamber and cools drain water.
What should I do when I receive the unit?
On receipt, inspect the carton carefully for exterior damage. Carefully cut the straps around the carton and detach the sides of the carton from the skid. Pull the carton up off the unit. When starting installation, lift the unit straight up off the skid. Check packing materials to make sure loose parts are not discarded. Write down the model number, serial number and installation date for reference.
What are some cautions to take when unpacking the unit?
Shipping straps are under tension and can snap back when cut, and the unit weighs 82 kg (HY-3E) or 105 kg (HY-5E) so get help as needed to lift this weight safely.
What type of water is required for the steam generator?
It is essential to supply the steam generator with water that will not form scale or cause corrosion. The water going to the steam generator should have a water pressure of 30-60 psi, a pH of 7 to 9, a hardness of less than 60 ppm, a TDS of 30 to 60 ppm, less than 0.1 ppm of Chlorine and Chloramine, less than 30 ppm of Total Chloride, less than 12 ppm of Silica, and less than 5 microns of Undissolved Solids.
How can I prevent scale buildup in the steam generator?
The best way to prevent scale is to supply the purest possible water (30-60 ppm TDS). If your water contains scale-forming minerals, use a well-maintained water softener. Install a water meter between the softener and the steamer to gauge water use.
What should I do if I notice a slowdown in steam production?
If you notice a slowdown in steam production, have the unit checked for scale build-up.
How should the unit be installed?
The unit must be installed by personnel who are qualified to work with electricity and plumbing.
How should I connect the unit to the electrical supply?
Open the wiring and control panel by removing the screws on the right side panel, and slide the panel forward. The unit must be operated at the rated nameplate voltage. Refer to heater schematics for wiring information. The terminal block for incoming power is located at the back of the control compartment. The ground terminal is located in the wiring compartment near the terminal block. To determine the type of wire, find the operating voltage and phase on the unit data plate and use the correct wire size to meet the current demand. The knockout hole is sized for a 35 mm conduit fitting. Connect appropriate wiring as described in the wiring diagram located on the inside of the unit’s right side panel. The unit must have a separate ground wire for safe operation. Each HY-3E Steamer should have its own branch circuit protection.
What are the voltage and current demands for the HY-3E and HY-5E models?
Model HY-3E can operate at 400V 3-phase (13 Amps) or 230V 1-phase (33 Amps). Model HY-5E can operate at 400V 3-phase (23 Amps) or 230V 1-phase (63 Amps).
What are some cautions to consider during installation?
Do not install the unit with the right or left side vents blocked or within 305 mm of a heat source. Level the unit front to back to avoid drainage problems. To avoid damage or personal injury, follow the electrical schematic exactly when connecting the unit.
What is the equipotential terminal?
In accordance with national regulations, each unit is fitted with an equipotential terminal.
How should I connect the unit to the water supply?
Water pressure in the line should be between 30 and 60 PSIG (210 and 420 kPa) and deliver a flow rate of 5.7 to 11.4 liters per minute. A 3/4” BSPT connector is used to attach the water supply to the inlet valves. Minimum water feed line diameter is 1/2” (13 mm). Use a washer in the hose connection. Treated (softened) water goes to the right valve and untreated water to the left. Install a WRAS approved double-check valve or an equally effective back flow preventative device in the incoming cold water lines at the point of connections to the steamer. For proper steam generator performance, Total Dissolved Solids (TDS) should not exceed 30 parts per million (ppm), and the water pH should be 7.1 or higher.
How should I connect the unit to the drain?
Level the steamer front to back, or even pitch it slightly to the rear. A two inch (50mm) [HY-5E] or 1½ inch (38 mm) [HY-3E] ID hose should be attached to the drain pipe and elbow supplied. It must be rated for 100ºC water. There must be at least one-half inch free air gap between the end of the hose and the building drain. Install the drain line with a constant downward pitch. Do not allow water traps in the line.
What should I know about installing factory stacked units?
Installing stacked steamers is similar to installing a single unit. The steamers are stacked and assembled at the factory and delivered with the water connections and drain hoses required for a single point connection. The same water supply connection is used for both units. Separate, individual electrical connections will be required for each steamer in the stack, and each must have its own branch circuit protection.
What do I need to know about counter-mounted units?
All four edges of the bottom of the steamer must be sealed with RTV to the counter if the 4 inch legs are not used. Counter must be made of a noncombustible material such as metal or tile.
What are the controls on the front of the unit?
The control panel has the following touch pads and indicator lights: ON/OFF, READY, CLEANING, SERVICE, HI TEMP, TIMING, and CLEAN.
What does the ON/OFF touch pad do?
The ON/OFF touch pad gets the HyPerSteam ready for use, or shuts it off.
What does the READY indicator light mean?
The READY indicator light shows that the steam generator is at standby temperature and the cavity is hot enough to begin steaming.
What does the CLEANING indicator light mean?
The CLEANING indicator light indicates when the unit is operating in the cleaning mode.
What does the SERVICE indicator light mean?
The SERVICE indicator light shows when the water level probes have stopped working, and need to be cleaned. When one probe is not working, the SERVICE light flashes briefly every few seconds, but the unit continues to operate. If both probes fail, the steamer stops working, the light will flash repeatedly, and the beeper will sound.
What does the HI TEMP indicator light mean?
The HI TEMP indicator light comes on when the steam generator is too hot, and the unit will automatically shut off.
What does the TIMING indicator light mean?
The TIMING indicator light stays on when the timer is running.
How is the timer used?
In the OFF position, the steam generator stays at a low boil or “holding” temperature. When a cook time is set, the unit steams until the timer reaches OFF, then steaming stops and a red light comes on with a beeper. When the timer is turned to the ON position, the unit steams continuously.
What should I do before operating the unit?
Any potential user of the equipment should be trained in safe and correct operating procedures.
What should I be careful of when opening the door?
When you open the door, stay away from the steam coming out of the unit because it can cause burns.
What is the operating procedure for the steamer?
Press the ON switch/pad for the steamer, the steam generator will fill, and heat until the READY light comes on (about 10 minutes). Load food into pans in uniform layers. Open the door and slide the pans onto the supports. Close the door and then take one of the following steps: If you want to steam the food for a certain length of time, set the timer for that period or to steam continuously, turn the timer to the manual ON position. Open the door and remove the pans. To shut down the unit, press the ON/OFF touch pad to OFF.
What should I keep in mind when steaming?
When steaming continuously, you must control steaming time.
What should I do before cleaning the outside of the steamer?
Disconnect the power supply before cleaning the outside of the steamer.
What should I avoid when cleaning the unit?
Keep water and cleaning solutions out of controls and electrical components. Never hose or steam clean any part of the unit. Don’t mix de-liming agents (acid) with de-greasers (alkali) anywhere in the unit. Avoid contact with any cleaners, de-liming agent, or de-greaser. Even when the unit has been shut off, don’t put hands or tools into the cooking chamber until the fan has stopped turning. Don’t operate the unit unless the two removable interior partitions have been put back in their proper locations. Don’t use any cleaning or de-liming agent that contains any sulfamic agent or any chloride, including hydrochloric acid (HCl).
What tools and solutions should I use when cleaning the unit?
Use mild detergent, stainless steel exterior cleaner, steam generator de-liming agent, de-greaser, cloth or sponge, plastic wool or a brush with soft bristles, spray bottle, measuring cup, nylon pad, towels, plastic disposable gloves, and funnel.
How do I clean the outside of the unit?
Prepare a warm solution of the mild detergent as instructed by the supplier. Wet a cloth with this solution and wring it out, then use the moist cloth to clean the outside of the unit. To remove stuck material, use plastic wool, a fiber brush, or a plastic or rubber scraper with a detergent solution. Stainless steel surfaces may be polished with a recognized stainless steel cleaner.
How do I clean the steam generator and cooking chamber?
The steamer cavity and steam generator may be cleaned separately. Regular de-liming must be done to enhance performance and prolong the life of the steamer. The steamer must be turned off after every use to prevent lime scale buildup.
What are the recommended tools and cleaners for cleaning the unit?
Groen Delimer/Descaler (Part Number 114800), nylon scrub pad, cloth, and/or sponge are recommended. Do NOT use any product containing chlorides or sulfamic acid, including hydrochloric acid. Do not use any metal material or implement that might scratch the surface.
What are the steps to delime the unit?
Press ON/OFF to turn the steamer off. Let the cavity cool for 5 minutes or longer and wipe it out, then close the door. Press and hold CLEAN while also turning the steamer on by pressing ON/OFF, until only the DELIME and POWER lights remain on. After 5 minutes, the beeper will beep rapidly, signaling you to add Groen Delimer/Descaler. Pour 1 pint (2 cups) of delimer PER CAVITY into the upper and/or lower deliming port(s) and then close the port(s). Press CLEAN. The delime cycle will start, taking about 30 minutes. When the delime cycle is complete, the DE-LIME light will appear, the DONE light will flash, and the beeper will beep. Press ON/OFF to turn the steamer off. Let the cavity cool for 5 minutes or longer and wipe out inside of cavity and door gasket, then close the door. To use the steamer, press ON/OFF, and when the READY light appears, the steamer is ready to use.
What should I do if the DELIME light flashes rapidly?
If the DELIME light flashes rapidly (5 times per second), press DELIME to restart the delime cycle.
What should I do if a power outage occurs during deliming?
If a power outage occurs during deliming, the delime cycle must be restarted.
What is the best way to perform the delime cycle?
For best performance, do not interrupt the delime cycle. If the delime cycle must be stopped, press ON/OFF to turn on. Set the timer for 5 minutes. After the beeper beeps, press ON/OFF to turn off. Let the cavity cool for 5 minutes or longer, carefully open the door(s) and wipe out the cavity completely.
How long should I leave a chlorine sanitizer in contact with stainless steel surfaces?
Never leave a chlorine sanitizer in contact with stainless steel surfaces for longer than 30 minutes.
What should I do after the delime cycle?
Once the cavity has cooled, remove the fan baffle partition.
What should I do if I see steam leaking from around the door?
Check the door gasket and replace it if it is cracked or split. Inspect the cooking chamber drain to be sure it is not blocked. Adjust the latch pin to allow for changes that might occur as the gasket ages by loosening the lock nut at the base of the latch pin, turning the latch pin ¼ turn clockwise, and re-tightening the lock nut. After adjustment, run the unit to test for further steam leakage. If there is still leakage, repeat the adjustment. Continue adjusting the pin clockwise until the door fits tightly enough to prevent leakage.
What should I do if the steam generator does not fill with water?
Check if the ON switch is depressed, if the water supply is connected and turned on, if the water pressure is low (less than 30 PSI or 210 kPa), if the water flow is low (less than 5.7 liters (1.5 gallons) per minute), if the screen at the water connection is clogged, and if the steam generator has been delimed.
What should I do if there is no steam?
Check if the ON switch is depressed, if the water supply is connected and turned on, if steamer doors are open, and if the steam generator is limed up.
What should I do if the service light comes on after four minutes?
Check if the water supply is connected and turned on, and if the unit has been delimed.
What should I do if there is excessive steam escaping from the rear of the unit?
Check if the water spray hose is kinked or obstructed. An authorized service representative should check if the water spray solenoid is connected and if the drain is properly vented.
What should I do if the high limit indicator light is on?
An authorized service representative should reset the high limit thermostat after checking the cause of high temperature and correcting it.
How do I remove the side panel?
With a flat blade screw driver remove two 10-32 screws on the lower edge and one on the top edge of the panel. The panel is retained to the steamer by spring-like clips at the rear edge. Once the screws are removed SLIDE the panel towards the front. Do not attempt to PRY the panel. Once the panel is free of the rear clips, it may be lifted off the top track.
How do I replace the side panel?
When replacing the panel, press the rear edge inward so that all three clips will be retained by the back flange. Make sure that the holes in the panel are in alignment with the tapped holes in the steamer so that the replacement of the three screws will be easy and not damaging.
How do I remove the top panel?
First, remove the side panel as described in Section 1. Remove the retaining bracket which prevents the top from sliding forward. The top and side assembly may then be slid forward and once clear of the retaining clips, may be lifted off.
How do I replace the top panel assembly?
In replacing the top panel assembly, make sure that the retaining clip is replaced and screwed down tight.
How is the steamer supported?
The steamer is supported on a stainless steel table. The steamer is attached to the table by four 1/2” bolts fastened from below.
How do I remove the steamer from the table?
To remove the steamer from table, disconnect electric, water and drain lines from the steamer. Then remove the four bolts.
How can I adjust the support posts of the table?
Each leg is provided with a screw type support post. These may be extended or retracted by turning them with a wrench or ChannelLock. Make sure that all four legs are in tight contact with the floor for proper steamer support.
How do I replace a damaged support post?
If damaged, these posts may be replaced by tapping out (on opposites sides of the leg) the threaded fitting which is friction held in each stainless steel leg. The stainless steel leg Optional Support Table and the threaded fitting are one assembly.
How do I remove the timer assembly?
Shut off power to the steamer. Remove the knob from the timer. Under the knob is a hexagonal nut which holds the timer mechanism to the steamer. Note that there is a flat on the timer shaft which corresponds to a frictional mounting hole on the knob. From the left side, unplug the five terminals/ wires (violet, gray, black, tan and white) from the timer mechanism and unplug the two black timer motor leads. With a 1/2” open ended wrench, remove the hex nut holding the timer in place. The timer may then be removed from inside the compartment.
What should I note when removing the timer?
Right below the timer shaft, the timer has a small plastic disk molded into the case. There is a corresponding hole punched into the front panel. This hole may be seen from the inside of the compartment only when the timer is removed.
How do I install the timer?
Fit the timer in place making sure that it is properly placed so that the disc on the timer fits into the punched hole in the front panel. Once the timer is properly located, tighten the hex nut so that the timer does not slip or rotate. Do not over tighten the nut. Align the flat of the knob hole with the flat on the timer shaft. Press the knob firmly onto the timer shaft. Plug in the wires identified above and connect the two black wires from the motor leads.
How do I remove the Steam Generator Ready Thermostat?
Turn off power to the steamer. Unplug the two wires from the thermostat from the wiring harness. Using a flat blade screwdriver, remove the two 6-32 screws holding the thermostat to the steam port.
How do I install the Steam Generator Ready Thermostat?
To install a new thermostat, use a small amount of heat sink compound (1 drop), applied to bottom of thermostat. Seat the thermostat on the steam port and fasten with the two screws (as above). Apply heat sink compound to the threads of 6/32 screws to prevent leaks. Plug the thermostat into the wiring harness.
How do I remove the Steam Port?
Turn off the power to the steamer. Remove the large steam hose by loosening the hose clamp with a 5/16 inch nutdriver and then removing the hose from the steam port collar. Remove the 3/4 inch clean hose by loosening its hose clamp with a 5/16 inch nutdriver and then removing the hose from the steam port collar. With a flat blade screwdriver, remove the two 6-32 screws which hold the thermostat to the steam port. With a sharp knife or scissor, cut the foil thermal blanket. Then fold back the foil thermal blanket. With a 7/16 inch nutdriver remove the two kep nuts. Remove the steam port from the threaded studs.
How do I install the Steam Port?
Apply RTV Clear Silicone Sealant to the groove of the steam port (or use gasket P/N 099250), then insert the steam port on the two threaded studs and fasten the two kep nuts with a 7/16 inch nutdriver. Wipe away excess sealant from the cavity. Mend the foil thermal blanket, where cut, with aluminum foil duct tape. Fasten the thermostat with two 6-32 screws. Apply heat sink compound to the bottom of thermostat and to the threads of the screws to prevent leaks. Install the 3/4 inch clean hose on the steam port and fasten with hose clamp. Install large steam hose to steam port and fasten with hose clamp.
How do I remove the Cavity Hose Assembly?
Shut off power to the steamer. Using a 5/16 inch nutdriver, loosen the hose clamp where the hose is attached to the steam port. Turn and pull the hose to remove it from the hose collar. Using a 5/16 inch nutdriver, loosen the hose clamp where the hose is connected to the steam generator. Turn and pull the hose to remove it from the hose collar. The hose may be removed.
What should I make sure of when replacing the Cavity Hose Assembly?
Make sure that the correct part (and part number) is being used. The hoses are similar in appearance but are not the same! Install steam hose over the motor. The clean hose must be installed under the motor to allow cleaning liquids to enter the generator.
How do I install the Cavity Hose Assembly?
Slide the two hose clamps onto the hose and position the hose adjacent to the steam port and steam generator. Slide the hose onto the hose collar on the steam port and at the other end, onto the steam generator collar. Make sure the hose is on all the way so that the end of the hose is against the face of the collars. Slide the hose clamps down so that they are about 1/8 inch from the end of the hose (at both ends) and using a 5/16 inch nutdriver, tighten the hose clamps.
What is a note of caution when tightening the hose clamps?
Over tightening of hose clamps may cut the hoses. Steam hose is mounted above the fan motor, clean hose is mounted below.
How do I remove the Fan?
To remove the fan from the cavity, open the door and remove the pan support wire rack from in front of the fan. With a 1/8 inch Allen wrench, loosen the set screw which holds the fan to the motor shaft. Hold onto the fan, and with a slight rocking motion pull the fan off the motor shaft.
How do I install the Fan?
Note that the motor shaft has a flat surface. Position the fan hub on the motor shaft so that the 1/8 inch Allen set screw is opposite the flat portion of the motor shaft. Slide the fan onto the motor shaft far enough so that the motor shaft is at the end of the fan hub. With a 1/8 inch Allen wrench, tighten the set screw on the fan.
What is a note of caution about the fan blades?
Advise customer to clean the fan blades periodically of deposited food grade grease coming from the foods being cooked. The deposit of such grease over time could cause the fan blades to vibrate.
How do I remove the Fan Motor Assembly?
Shut off electrical power to the steamer. From inside the cavity, remove fan using a 1/8 inch Allen wrench as shown in Section 8. Using a 7/16 inch nutdriver/socket, remove the four ¼-20 kep nuts holding the motor. Note that one of the nuts secures the motor ground strap to the steamer. Remove the motor mounting plate to which the motor is attached.
How do I install the new Fan Motor?
Make sure the motor insulation board is installed on the four threaded studs to the cavity wall. Apply Never-Seez on both sides of the steamer motor seal and the inside hole. Insert the steamer motor seal in the cutout of the insulator board. To prepare motor for mounting, slide the oil Slinger washer onto the shaft about 1/2 inch down the shaft. IMPORTANT: This washer has two surfaces: A rubber surface and a phenolic surface. Make sure the phenolic surface is facing the motor. Install the plate seal holder onto the motor shaft. Carefully slide the plate seal holder down the motor shaft until it engages the slinger washer. Continue moving the plate seal holder down the motor shaft until the plate comes to rest on the raised bosses of the motor casting. Using this technique, the rubber side of the oil slinger washer should be in contact with the plate holder and there should be a space of approximately 1/16 inch between the phenolic face of the washer and the motor. Using four hex/slotted 6-32 screws, screw the motor mounting plate to the motor with each screw passing through corresponding holes in the plate seal holder. The entire assembly may now be positioned on the four threaded stud bolts protruding from the cavity wall. Fasten the assembly with the 1/4-20 kep nuts using a 7/16 inch nut driver. Make sure that the green ground strap is fastened by one of the kep nuts securing the motor.
How do I remove the Motor Starting Capacitor?
Turn off electrical power to the steamer. Loosen the two screws holding the motor capacitor. Unplug the two terminal wires from the capacitor. Remove the capacitor.
What is a note of caution about the Motor Starting Capacitor?
Make sure that the correct value of capacitor is used, which is 3 µfd with a 330 volt rating.
How do I remove the Control Transformer?
Turn off power to the steamer. Note the position and identity of the terminals and then remove them from the control transformer. With a 5/16 inch nutdriver, remove the four 10-32 screws holding the control transformer to the service tray. NOTE: Do not lose lock washers at the ground wire. Remove control transformer from the service tray.
How do I install the Control Transformer?
Install the control transformer in the service tray. Fasten the control transformer to the service tray with four 10-32 screws using a 5/16 inch nutdriver. NOTE: Ground terminal between lock washers. Reattach terminals to control transformer.
How do I remove the Gasket, Heater Element, or High Limit Thermostat?
Turn off all power to the steamer. Remove the six terminals and two plugs from the heating element. With a 1/2 inch socket wrench, remove the four nuts and lockwashers holding assembly to generator. Carefully slide the assembly about 2 inches out of the steam generator. Remove the two 6-32 self tapping sheet metal screws from the underside of the thermostat switch. Remove the two terminal wires attached to the thermostat Electric Heater Assembly switch. Remove the gasket attached to the steam generator and discard. Remove heater and thermostat assembly. The thermostat bulb is fastened to one of the heater elements by two small hose clamps or metal straps. Remove the clamps or straps holding the thermostat bulb to the heater. With a 9/16 inch open-ended wrench, loosen the capillary fitting for the thermostat. Remove the probe, capillary and thermostat bulb as an assembly.
How do I install the Gasket, Heater Element, or High Limit Thermostat?
Clamp thermostat bulb to the Number 2 Heater Rod. Apply pipe compound to the thread and tighten the compression fitting around the capillary in the threaded hole provided for this fitting. Install a new gasket on the steam generator. Insert the entire assembly into the steam generator. There is an orientation pin so that the assembly can only be installed one way. The pin is on the left of the steam generator. When properly installed, terminals 1, 2 and 3 are on top. Reconnect the terminal wires to the heater. Install thermostat switch to bracket with sheet metal screws. Attach bracket over the two upper threaded studs before installing nuts. Install four four nuts and lockwashers on threaded studs, and tighten with a 1/2 inch socket wrench.
How do I reset the High Limit Thermostat (Steam Generator)?
Press red reset button once.
How do I remove the High Limit Thermostat (Steam Generator)?
Shut off electrical power to the steamer. Remove the heating elements from the steam generator in accordance with directions provided in Section L. Using a 7mm nutdriver, loosen two stainless steel hose clamps holding the thermostat bulb to the heater element. With a 9/16 inch open ended wrench, unscrew the thermostat bulb from the heater plate.
How do I install the High Limit Thermostat (Steam Generator)?
Apply high temperature pipe compound to the threads of the new thermostat fitting. Screw the thermostat fitting into the heater plate. Tighten with a 9/16 inch open ended wrench. Position the thermostat bulb on top of heater coil No. 2 (center heater). Position the two stainless steel hose clamps around BOTH the heater coil and the thermostat bulb. Tighten using a 7mm nutdriver. Tighten the compression nut on the heater plate using a 5/16 open ended wrench.
How do I remove the Steam Generator Probes (High and Low Water)?
Turn off power to the steamer. Remove right side panel. Slide back the rubber “boots” covering the probe terminals to expose the terminals wires. With a 5/16 inch nutdriver LOOSEN, but do not remove the nuts holding the wire(s) on the probe terminal(s). The wires are connected to wire fork terminals. These will “snap” on and off the terminal post. “Un-snap” them by gently pulling on the terminal. Using a 13/16 inch open ended wrench, turn the probe counter-clockwise to remove. Clean or replace.
How do I install the Steam Generator Probes (High and Low Water)?
Apply high temperature pipe compound to the probe and screw it in by hand. Using a 13/16 inch open ended wrench, tighten the probe into the fitting. Replace the wire(s) to the probes by snapping the fork terminals around the terminal post. Using a 5/16 inch nutdriver, tighten the terminal nut.
What should I be aware of when replacing two probes?
If two probes are to be replaced, either replace them one at a time or note the color of the wires attached to the probes. Do not mix them up.
How do I remove the Water Inlet Valve?
Turn off power to the steamer. Turn off the water supply to the steamer. Remove the water supply hose connection on the rear of the steamer. Remove the two 10-32 truss head screws holding the valve support plate to the rear of the steamer. Remove the plate with the valve attached. Once the valve is outside the steamer cabinet, note the position and identity of the terminals and remove the four terminals to the valve. With a 7mm nut driver, loosen the two hose clamps connected to the valve and remove the clear Tycon water hose and the black condensate spray hose from the valve. Remove the two 8 -32 screws holding the valve to the plate, and remove valve.
How do I install the Water Inlet Valve?
Fasten the new valve to the support plate using two 8-32 screws. Attach the waterfill clear hose to the bottom outlet of the valve with the hose clamp. Attach the condensate spray hose to the top outlet of the valve with the hose clamp. IMPORTANT: Do not over tighten the hose clamps as this may cut the hose. Attach the four terminals to the valve. Tip the plate into position and fasten plate to rear of the steamer cabinet with the two 10- 32 truss head screws.
How do I remove the Steam Generator Drain Valve?
Turn off power and disconnect steamer from branch circuit. Remove right side panel and top left side/cover. With a 5/16 inch nutdriver, remove the two 10-32 screws holding the valve bracket to the steamer base on right side of unit. The steam generator drain valve is located UNDER the cavity and all work should be done from the left side of the steamer (as viewed from the front). Using a 7mm nutdriver or spring clamp pliers, disconnect ONE END of the drain hose by loosening the drain hose clamp from the drain elbow coming from the cavity drain. Remove clamp. Unplug and disconnect the valve electrical wires. Slide the valve support bracket out from under the steam generator with the valve attached to it. Allow the silicone hose to leave the valve. Remove the two 10-32 screws from the valve bracket, then remove valve from the bracket.
How do I install the Steam Generator Drain Valve?
Attach new drain valve to valve bracket. Pull silicone hose through drain valve and install hose clamp over one end of the exposed hose and attach hose to drain elbow. Install and tighten valve mounting bracket with two 10-32 screws. Be sure silicone hose is properly aligned and does not have any kinks, bends and/or twists in it. Plug the electrical leads of the valve into the wiring harness. Connect steamer to branch circuit, and turn on power.
How do I test the Steam Generator Drain Valve?
Operate steamer and allow steam generator to fill. Check for leaks and observe if drain valve fully closes. Turn off steamer and observe that drain valve opens and the steam generator drains. Reinstall top/left side cover.
How do I remove the Steam Generator?
Shut off power to the steamer, drain steam generator of all water. Remove right side panel and top/left side cover. Remove the bracket of the high limit thermostat switch and remove the two wires which connect the unit to the wiring harness. Leave thermostat attached to steam generator. Remove the two 8-32 screws which hold the water fill valve mounting plate to the steamer back. Remove back panel by removing the six 10- 32 truss head screws. Using a small adjustable wrench, remove the drain hose brass compression nut. Using a 5/16 nutdriver, loosen the clamps holding steam and cleanout hoses. Detach hoses from generator. Remove the two water level probe terminals as indicated in Section N. Loosen hose clamp for drain hose under cavity in order to gain access to the two 1/4- 20 kep nuts on the left side of the steam generator. With an adjustable wrench, loosen the clamp holding the water inlet hose to steam generator. Remove hose from steam generator. Remove the four 1/4-20 kep nuts holding the steam generator in position. Remove steam generator from rear of steamer by lifting steam generator up and out.
How do I install the Steam Generator?
Transfer all fittings, heater element, safety valve, high and low water level probes to new steam generator from old generator or use new fittings as needed. Refit the insulation on generator. Carefully wrap the thermal blanket onto the steam generator. Make sure it fits snugly, with no air spaces between the blanket and the steam generator. Fasten seams with aluminum duct tape. Fit the steam generator into position from the back of the steamer. Fasten the steam generator using the four 1/4-20 kep nuts. Connect all hoses to the steam generator fittings and tighten their respective hose clamps. Connect the probe terminals to the high and low level probes. Make sure the rubber boots are securely positioned on the terminals after connection. Connect the high temperature thermostat housing to the steamer bracket.
How do I remove the door?
To remove the door, turn off the steamer power and allow it to cool. Then, remove door by supporting the weight of the door and remove hinge pin.
How do I install the door?
To install the door, apply NEVER-SEEZ lubricant to hinge pin. Align door with hinge and insert hinge pin, or apply service removable Locktite 242 to the door-to-hinge bolts, then install door and mounting bolts. Do NOT tighten mounting bolts at this time.
How do I align the door?
Place a piece of masking tape over the door pin (bullet) hole in the door/U-channel. Close the door until the door pin just penetrates the masking tape. Make sure the door pin contacts only the door latch spring. If door pin does not strike the center of the masking tape or spring hole in the U-channel, loosen the hinge-to-steamer bolts and align the door to the door pin. Tighten hinge-to-steamer mounting bolts. You should be able to pull a piece of paper smoothly between the gasket and steamer cavity with the door closed. To adjust the hinge side, loosen the door-to-hinge bolts and align the door gasket with the steamer cavity. Tighten the door-to-hinge mounting bolts. To adjust the bullet side, refer to Section 24.
How do I test if there are leaks?
Operate steamer and check for leaks.
How do I remove the door switch?
From the right side of the steamer with panel removed, unplug the door switch from the electrical board. The switch (for normal door opening) is held in place with two small screws. With a slotted screwdriver, remove these screws and the switch may be removed. If the door has been reversed and the switch must be removed and replaced, refer to the top panel removal in Section 2 and then remove the switch as above.
How do I reverse the door?
Turn off steamer power and allow steamer to cool. To remove door, support door while removing hinge-to-steamer bolts. Place door with hinge on a flat, clean table (or similar support), with the gasket facing up. Be careful not to scratch door surface. Note and record distance between lock nut and end of door locking pin (bullet). This information will be needed during bullet installation in the sixth step. Loosen lock nut, then remove door bullet and lock nut. Coat bullet threads with a few drops of Locktite 222. Install bullet and lock nut directly across steamer cavity from old bullet location. Install these two items so that lock nut to end of bullet distance is approximately the same as measured in the fourth step. Remove the two screws from above and below the old bullet location and install them above and below the new bullet location. Remove screws and U-channel from the door. Take magnet and block assembly from present location and place it at the opposite end of the door channel, with magnet facing outward from the door. Remove door handle screws and door handle from cam. Apply NEVER-SEEZ high temperature (1800 degrees F) anti-seize and lubricating compound to the cam and a few drops of Locktite 242 to door handle screw threads. Turn handle and cam 180-degrees from their original positions and install them on the door with screws. Be sure handle and cam move smoothly. Be sure door handle and door cam is in the DOWN position. Turn U-channel 180-degrees from its original position, hold door spring in U-channel open with a screwdriver or similar tool, and install U-channel. Check operation of the cam. Push up on the door handle and check if the spring opens. If the spring does not open, cam and spring are NOT correctly aligned and problem must be corrected. Apply a light amount of Locktite 242 to screws, then install screws. Apply Locktite 242 to the hinge-to-steamer bolts, then install door and hinge mounting bolts. Do NOT tighten mounting bolts at this time. Align door to steamer. Refer to Section 18. IMPORTANT. When the door is reversed, the alternate door switch (installed at time of manufacture) must be connected to the circuit. From the right side access to the upper portion of the steamer, disconnect the two leads of the door switch. The wires for the alternate door switch may be found under the cavity. Connect the two wires from the switch to the electrical board. Close steamer door and operate steamer. If fan does not operate, check location of door magnet and try operation again. If fan operation problem still exists, refer to Section 19. With the door closed and the steamer in the ON position, or with the timer running, the GREEN/READY light should come on. Allow steamer to operate for approximately five minutes, and then check for leaks. If there are no leaks, the steamer is ready for operation. If there are leaks around the door, recheck door alignment, and if necessary, door gasket installation.
How do I install the Door Gasket?
To install, turn off steamer, and allow to cool. Remove the door using one of the following: a. Support door weight and remove hinge pin, or b. Support weight of the door and remove the two door-to-hinge bolts. Refer to Section 18 for more instructions. Position door on flat, clean workbench, smooth table or similar support so that the door front is lying flat, with its handle hanging over the edge of the bench. Be careful not to scratch the door. Remove inner door panel. Using a flat blade screwdriver, remove the four truss-head screws holding the panel in place. Remove and discard gasket. Clean back of the inner door panel. Be sure old sealant is completely removed. Apply a high temperature silicone sealant, such as RTV 159 or equivalent, to the four door spacers Install new gasket around outer door panel on insulation board. Be sure the inner door panel flange is fully inserted into the gasket groove. Apply Locktite 242 to inner panel mounting screws and tighten. Align door with hinge and insert hinge pin OR apply Locktite 242 to the door- to-hinge bolts, then install door and mounting bolts. Do NOT tighten mounting bolts. Refer to Section 24 for more instructions.
How do I remove the Door Handle, Magnet and Block Assembly, Screws, U-Channel Assembly, Door Cam, Outer Door Panel, Inner Door Panel, or Door Insulation Board?
Turn off steamer and allow it to cool. With flat blade screwdriver, remove the two 8-32 truss head screws on the U-channel. Remove U-channel from the door. Remove screws, door handle, and cam. Apply a high temperature (922 degrees C) anti-seize and lubricating compound to the door cam and Locktite 242 to the door handle screw threads. Assemble door cam to handle with screws and tighten. Be sure door handle is in the DOWN position. Hold U-channel door spring open with a screwdriver or similar tool, then install the U-channel. Do NOT install screws at this time. Check operation of the cam and door spring. Push up on the door handle and check if spring opens. If the spring does not open, the cam and spring are not correctly aligned and the problem must be corrected. Apply a light amount of Locktite 242 to screws, then install screws to U-Channel and tighten.
How do I remove the Door Spring?
Turn off steamer and allow it to cool. With flat blade screwdriver, remove two 8-32 truss head screws on U-channel. Remove U-channel from door. Carefully remove retaining ring from one end of spring support pin, then remove the pin by moving the pin left or right. With a 3/8 inch nutdriver, remove the 10-32 kep nut, lift square plate, then remove the spring.
How do I install the Door Spring?
Apply a high temperature (922 degrees C) anti-seize, lubricating compound on the bottom of the U-Channel surface that contacts with the spring. Install spring onto brass roller, then place square plate over spring. Apply Locktite 242 to kep nut and install kep nut. Install spring support pin, then push the retaining ring onto the pin using a screwdriver. Hold door spring open with a screwdriver or similar tool, hold door handle in the DOWN position and install the U-channel, top end first – then lower channel into position. Check that spring opens when door handle is pushed up. Apply Locktite 242 to U-channel mounting screws, then install the screws.
How do I remove or install the Door Locking Pin?
Turn off steamer and allow it to cool. Note and record the distance between the lock nut and the end of the (bullet shaped) door locking pin. This information is important and will be needed for installation. Loosen lock nut and remove lock nut and door pin (bullet) from front panel. To install new door locking pin, coat locking pin threads with a few drops of Locktite 222. Install locking pin and lock nut. The lock nut to end-of-bullet distance should be approximately the same as measured above, in the second step.
Where is the Alternate Door Switch Location?
The alternate door switch is located on the left side of the steamer as viewed from the front. In order to gain access to the switch for replacement purposes only, it is required to remove the right panel and top/left cover. The leads for this alternate switch are provided adjacent to the wiring harness on the right side of the steamer.
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