WHITE-RODGERS 36E98-304 (01) PDF MANUAL


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PDF Content Summary: 36E98-304 WHITE-RODGERS Universal Slow-Opening Gas Valve (0.008 Orifice) INSTALLATION INSTRUCTIONS Operator: Save these instructions for future use! FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE. The 36E98-304 combination gas valve is designed for intermittent ignition and hot surface ignition system appli- cations. The valve is equipped with a redundant solenoid valve that controls gas flow to the pilot and main burners, a main valve that controls gas flow to the main burner, a pressure regulator to maintain a constant outlet pressure, and a two-position gas cock knob for manual gas shut-off. WHITE-RODGERS EMERSON ELECTRIC CO. 9797 REAVIS ROAD ST. LOUIS, MISSOURI 63123-5398 DESCRIPTION SPECIFICATIONS Type of Gas: Natural gas LP gas (use conversion kit) Pressure Regulator Setting: Nat. Gas – 2.5 to 5.0” W.C. L.P. Gas – 7.0 to 12.0” W.C. Ambient Temperature: -40° to 175°F Pressure Rating: 14” W.C. (1⁄2 PSI) max. Voltage: 24 VAC Frequency: 50/60 Hz PIPE SIZES/CAPACITIES Pipe Sizes Available (inches) Capacity (BTU/hr) at 1” pressure drop across valve 3⁄8” x 3⁄8” NPT any combination 3⁄8” x 3⁄4” NPT straight through 1⁄2” x 3⁄8” NPT any combination 1⁄2” x 1⁄2” NPT any combination 1⁄2” x 3⁄4” NPT straight through AGA Std. Nat. Gas L.P. Gas (1,000 BTU/cu. ft.) (2,500 BTU/cu. ft.) 75,000 121,500 75,000 121,500 100,000 162,000 125,000 202,800 125,000 202,800 MOUNTING POSITIONS: CONTENTS Upright, or 0° to 90° from upright Description ......................................................... 1 UPRIGHT LEFT OR RIGHT Specifications..................................................... 1 Precautions ........................................................ 2 Installation.......................................................... 3 Pilot Gas Connection System Wiring Hot Surface or Direct Burner Ignition Systems Adjustment ......................................................... 5 Manual Valve Knob Pilot Gas Adjustment Pressure Regulator Adjustment INLET BOSS UP OR DOWN 360° INLET PRESS TAP TAP PRESS INLET Figure 1. Gas valve mounting positions Printed in U.S.A. PART NO. 37-5393B Replaces 37-5393A 0119 PRECAUTIONS DO NOT BEGIN INSTALLATION UNTIL YOU READ THE FOLLOWING PRECAUTIONS. ! WARNING If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life. 1. Failure to turn off electric or main gas supply to heating system could cause personal in- jury and/or property damage by shock, gas suffocation, fire, and/or explosion. 2. Do not use this control on circuits exceeding specified voltage. Higher voltage will dam- age the control and may cause shock or fire hazard. 3. NEVER USE FLAME OR ANY KIND OF SPARK TO CHECK FOR GAS LEAKS–COULD CAUSE FIRE AND/OR EXPLOSION. ! CAUTION 1. Do not short out terminals on gas valve or primary control to test. Short or incorrect wiring can cause equipment damage, prop- erty damage, and/or personal injury. 2. This control is not intended for use in loca- tions where it may come in direct contact with water. Suitable protection must be pro- vided to shield the control from exposure to water (dripping, spraying, rain, etc.). 2 4. DO NOT USE WIRE JUMPER on pilot sys- tems, such as standing pilot, proven pilot, or spark-to-pilot ignition–a fire and/or explo- sion may result. 5. Do not use a control set for natural gas with LP gas, or a control set for LP gas with natural gas. Personal injury and/or property damage, gas suffocation, fire, and/or explo- sion may result. 6. Do not use this control to replace 36E02, 36E37, or 36E97 slow-opening valves. They use different orifices and have different open- ing characteristics. A fire and/or explosion may result. INSTALLATION 1. Turn off electrical power to the system at the fuse box or circuit breaker. Also turn off the main gas supply. 2. If replacing an existing valve, disconnect all plumbing and electrical connections from the old control. 3. The control may be installed in any position, except upside down. The arrow on the bottom plate indicates the direction of gas flow through the valve. 4. You should use new pipe that is properly chamfered, reamed, and free of burrs and chips. If you are using old pipe, be sure it is clean and free of rust, scale, burrs, chips, and old pipe joint compound. 5. Apply pipe joint compound (pipe dope) or teflon tape that is approved for all gases, only to the male threads of the pipe joints. DO NOT apply com- pound or teflon tape to the first two threads (see fig. 3 for typical piping connections). 6. If you are using a vise or open-end wrench to hold the valve while installing piping, do not tighten exces- sively, as this may damage the valve. 7. See SYSTEM WIRING when making electrical con- nections. After all gas and electrical connections are completed, turn gas on and check for gas leaks with leak detection solution or soap suds. Bubbles forming indicate a leak. SHUT OFF GAS AND FIX ALL LEAKS IMMEDIATELY. PILOT GAS CONNECTION These valves are shipped with the pilot outlet plugged. For installations requiring pilot gas, remove the plug and use the fitting packed separately with the control. Install the fitting into the pilot gas tapping, turning until finger-tight (see fig. 2). Insert clean, deburred tubing all the way through the fitting. Hold the tubing securely in place and slowly tighten the fitting until you feel a slight “give”. Then tighten the fitting an additional 11⁄2 turns. See ADJUSTMENT section (page 5) and fig. 6 for pilot set up. Pilot Gas Outlet PILOT OUT PRESS TAP Figure 2 Regulator Vent Horizontal Pressure Tap Main Gas Outlet NOTE All piping must comply with local codes, ordinances, and/or national fuel gas codes. NOTE: ALWAYS INCLUDE A DRIP LEG IN PIPINGDrop Gas Valve Drop Horizontal Riser 3 in. minimum Gas Valve 3 in. minimum 3 in. minimum Gas Valve Riser Piped Gas Piped Gas Tubing Gas Supply SupplySupply Figure 3. Typical gas valve piping 3 INSTALLATION (cont’d) SYSTEM WIRING All wiring should be installed in accordance with local and national electrical codes and ordinances. Always check that the electrical power supply used agrees with the voltage and frequency shown on the gas control. DO NOT short gas valve terminals. This will damage wall thermostat and void warranty. 1. Check the system for the proper transformer by comparing the VA ratings of the transformer and NOTE the system. The system rating is determined by multiplying the voltage draw times the amp draw. Normally 20 VA transformers are sufficient for heating only applications and 40 VA for heating/ cooling applications.NOTE Improper transformer VA rating will cause erratic system operation. IGNTRGD PM/MVTHPVMV SENSE PILOT ADJ Ground Thermostat Transformer 24 VAC 120 VAC High LimitIntermittent Pilot 2. Connect wire from "MV" terminal on Main Gas Supply ignition control unit to "M" terminal on M1Spark Electrode gas valve. C2Flame Sensor* 3. Connect wire from "PV" terminal on P 3 ignition control unit to "P" terminal on gas valve. Main Burner 4. Connect wire from "MV/PV" terminal on ignition control unit to "C" terminal on gas valve. *Only on two rod applications Figure 4 Intermittent Pilot TH VALVEGNDTR RS 120 IGN IGN NEUT Thermostat HOT Supply Voltage 120 VAC 24 VAC COMMONTransformerGround High Limit Switch (where used) Tan Terminal Hot Surface Ignition/ Direct Main Gas Supply Adaptor Spark Ignition Hot 2. Connect tan wire terminal adaptor (jumper) included with gas valve to Surface Ignitor "M" and "P" terminals on gas valve 3. Determine which wire was connected PILOT ADJ Figure 4A Hot Surface Ignition/Direct Spark Ignition Main Burner to "Main Valve" terminal on original valve. Connect this wire to remaining terminal of the tan terminal adaptor. Remote MSensor CP 123 4 ADJUSTMENT HOT SURFACE OR DIRECT BURNER IGNITION SYSTEMS Install jumper wire across M-1 and P-3 terminals. This will open both redundant and main valves together. MANUAL VALVE KNOB The manual valve knob is a two-position (ON-OFF) type. To turn manual valve on, rotate knob clockwise or coun- terclockwise to line up the word ON on the knob with the indicator on the cover casting (see fig. 5). To turn manual valve off, rotate knob clockwise or counterclockwise to line up the word OFF on the knob with the indicator on the cover casting. PILOT GAS ADJUSTMENT These controls are factory preset to provide proper pilot gas flow for most applications. If additional adjustment is necessary, follow these steps. 1. Turn off all electrical power to the system before making any adjustments. Regulator Cover Screw Plastic Adjust Screw Regulator Spring Figure 6 Pilot Cover Screw Gasket Pilot Adjust Screw 5 2. Remove the pilot adjust cover screw and gasket to expose the adjusting screw (see fig. 6). Turn the adjusting screw clockwise to reduce pilot flame, or counterclockwise to increase pilot flame. 3. Replace the gasket and pilot adjust cover screw and tighten securely. 4. Restore power to the system. PRESSURE REGULATOR ADJUSTMENT These controls are shipped from the factory with the regulator set for 3.5” W.C. (natural gas, full flow). Consult the appliance rating plate to ensure burner manifold pressure should be 3.5” W.C. If another outlet pressure is required, follow these steps. If a valve has been factory-adjusted for the 2.5 to 5 inches W.C. range, it cannot be field-adjusted outside that range. This is also true for valves adjusted to the 7.5 to 12 inches W.C. range for L.P. gas. 1. Turn off all electrical power to the system. 2. Attach a manometer to the outlet pressure tap of the valve. 3. Turn on system power and energize valve. 4. Remove regulator cover screw and turn regulator adjust screw clockwise to increase pressure, or counterclockwise to decrease pressure (see fig. 6). Always adjust regulator to provide the correct pressure according to the original equipment manufacturer’s specifications listed on the appliance rating plate. 5. Replace regulator cover screw and tighten securely. PILOT ADJ Indicator Manual valve knob shown in OFF position Figure 5. Manual gas valve knob LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATING ! WARNING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an intermittent ignition device which automatically lights the appliance. Do not try to light the pilot by hand. B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor. FOR YOUR SAFETY “WHAT TO DO IF YOU SMELL GAS” • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s 1. Set the thermostat to lowest setting. 2. Turn off all electric power to the appliance if service is to be performed. 3. Remove control access panel. phone. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. C. Use only your hand to turn the gas control knob. Never use tools. If the knob will not turn by hand, don’t try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion. D. Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water. OPERATING INSTRUCTIONS 1. STOP! Read the safety information above on this label. 2. Set the thermostat to lowest setting. 3. Turn off all electric power to the appliance. 4. This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand. 5. Remove control access panel. 6. Turn gas control knob clockwise to “OFF.” 7. Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follow “B” in the safety information above on this label. If you don’t smell gas, go to the next step. 8. Turn gas control knob counterclockwise to “ON.” 9. Replace control access panel. 10. Turn on all electric power to the appliance. 11. Set thermostat to desired setting. 12. If the appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your service technician or gas supplier. TO TURN OFF GAS TO APPLIANCE If you need more information about this product, you may write to us at: WHITE-RODGERS, Emerson Electric Co. 9797 Reavis Road St. Louis, MO 63123-5398 white-rodgers.com 4. Turn gas control knob clockwise to “OFF.” Do not force. 5. Replace control access panel.


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