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What should I do if I smell gas near my HEATILATOR CD4236LR fireplace?

If you smell gas, follow these steps:

• 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 phone. Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department.


What safety precautions should I take regarding the hot surfaces of my HEATILATOR CD4236LR?

Glass and other surfaces are hot during operation and cool down. Hot glass will cause burns.

• Do not touch glass until it is cooled.

• NEVER allow children to touch glass.

• Keep children away.

• CAREFULLY SUPERVISE children in the same room as the appliance.

• Alert children and adults to the hazards of high temperatures.

High temperatures may ignite clothing or other flammable materials. Keep clothing, furniture, draperies, and other combustibles away. This appliance has been supplied with an integral barrier to prevent direct contact with the fixed glass panel. Do NOT operate the appliance with the barrier removed.


What specific precautions are recommended if small children are near the HEATILATOR CD4236LR?

If you expect that small children or vulnerable adults may come into contact with this fireplace, the following precautions are recommended:

• Install a physical barrier such as a decorative firescreen or an adjustable safety gate.

• Install a switch lock or a wall/remote control with child protection lockout feature.

• Keep remote controls out of reach of children.

• Never leave children alone near a hot fireplace, whether operating or cooling down.

• Teach children to NEVER touch the fireplace.

• Consider not using the fireplace when children will be present.


How can I prevent unintended operation of my HEATILATOR CD4236LR when not in use for an extended period?

To prevent unintended operation when not using your fireplace for an extended period of time (summer months, vacations, trips, etc):

• Remove batteries from remote controls.

• Turn off wall controls.

• Unplug 3 volt adapter plug and remove batteries on IPI models.

• Turn off gas controls valve on standing pilot models.


What are the clear space requirements in front of my HEATILATOR CD4236LR?

WARNING! DO NOT place combustible objects in front of the fireplace or block louvers. High temperatures may start a fire. A clear space of 3 ft (914 mm) is required in front of the appliance. Avoid placing candles and other heat-sensitive objects on the mantel or hearth, as heat may damage these objects.


What should be checked by a qualified service technician before I operate my HEATILATOR CD4236LR for the first time?

Before operating this fireplace for the first time, a qualified service technician should:

• Verify all shipping materials have been removed from inside and/or underneath the firebox.

• Review proper placement of logs, rockwool and/or other decorative materials.

• Check the wiring.

• Check the air shutter adjustment.

• Ensure that there are no gas leaks.

• Ensure that the glass is sealed and in the proper position and that the integral barrier is in place.


How do I light my HEATILATOR CD4236LR with an IntelliFire Pilot Ignition (IPI) system?

1. STOP! Read the safety information on the label.

2. Turn wall switch to the “OFF” position or thermostat to the lowest setting.

3. Turn off all electric power to the appliance.

4. This appliance is equipped with an ignition device that automatically lights the pilot. Do NOT try to light the pilot by hand.

5. Wait five minutes to clear out any gas. If you then smell gas, STOP! Follow the safety information on the label. If you don’t smell gas, go to the next step.

6. To turn on the burner, turn on all electric power to this appliance and turn on the wall switch or set the thermostat to the desired setting.

7. If the appliance will not operate, follow the instructions “TO TURN OFF GAS TO APPLIANCE” and call your service technician or gas supplier.


How do I turn off the gas to my HEATILATOR CD4236LR with an IPI system?

1. Turn off wall switch or set thermostat to lowest setting.

2. Turn off all electric power to the appliance if service is to be performed.

3. Push the gas control lever in and move to the “OFF” position or push the gas control lever to the “OFF” position. Do not force.

4. Replace the control access panel.


How do I light my HEATILATOR CD4236LR with a Standing Pilot system?

1. Turn wall switch to the “OFF” position or thermostat to the lowest setting.

2. Remove control access panel.

3. Turn manual gas valve to CLOSED. Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follow the safety information on the label. If you don’t smell gas, go to the next step.

4. Turn gas line to “OPEN”.

5. Turn pilot knob clockwise to “OFF”. (The knob may have to be depressed to pass the “PILOT” position.)

6. Locate pilot assembly inside the appliance.

7. Locate the red ignitor button.

8. Turn pilot knob to “PILOT” and push in.

9. Continue to hold in the pilot knob and push the red ignitor button 12-15 times until a small blue pilot flame appears.

10. Continue to hold in the pilot knob for approximately one minute. The pilot should remain lit. If the pilot goes out, wait 5 minutes and repeat steps 3-9.

11. Release and turn knob counterclockwise to “ON”.

12. If the appliance will not operate, follow the instructions “TO TURN OFF GAS TO APPLIANCE” and call your service technician or gas supplier.

NOTE: To light the main burner, turn the wall switch to “ON”. Do not light by hand.


How do I turn off the gas to my HEATILATOR CD4236LR with a Standing Pilot system?

1. Turn off the wall switch or set the thermostat to the lowest setting.

2. Remove the control access panel.

3. Turn the manual gas valve to the “CLOSED” position. Do not force.

4. Replace the control access panel.


What is the initial break-in procedure for my new HEATILATOR CD4236LR fireplace?

• The fireplace should be run for three to four hours continuously on high.

• Turn the fireplace off and allow it to completely cool.

• Remove the fixed glass assembly.

• Clean the fixed glass assembly.

• Replace the fixed glass assembly and run continuously on high for an additional 12 hours.

This process cures the materials used to manufacture the fireplace. It is recommended to open windows for air circulation during the break-in, as some people may be sensitive to the smoke and odors, and smoke detectors may be activated.


How do I adjust the flame height on my HEATILATOR CD4236LR?

Some appliances are equipped with a high/low flame adjustment control.

• Open the control access panel.

• Compare your valve to the diagrams in the owner’s manual (DEXEN Valve – IntelliFire or SIT Valve – Standing Pilot).

• Adjust the flame by turning the knob as indicated in the photo that matches your valve.


What are some common issues and solutions for the HEATILATOR CD4236LR?

ISSUE SOLUTIONS
Condensation on the glass This is a result of gas combustion and temperature variations. As the appliance warms, this condensation will disappear.
Blue flames This is a result of normal operation and the flames will begin to yellow as the appliance is allowed to burn for 20 to 40 minutes.
Odor from appliance When first operated, this appliance may release an odor for the first several hours. This is caused by the curing of materials from manufacturing. Odor may also be released from finishing materials and adhesives used near the appliance. These circumstances may require additional curing related to the installation environment.
Film on the glass This is a normal result of the curing process of the paint and logs. Glass should be cleaned within 3 to 4 hours of initial burning. A non-abrasive cleaner such as gas appliance glass cleaner may be necessary. See your dealer.
Metallic noise Noise is caused by metal expanding and contracting as it heats up and cools down, similar to the sound produced by a furnace or heating duct. This noise does not affect the operation or longevity of the appliance.
Is it normal to see the pilot flame burn continually? In an IntelliFire ignition system (IPI), the pilot flame should turn off when the appliance is turned off. Some optional control systems available with IPI models may allow the pilot flame to remain lit. In a standing pilot system, the pilot will always stay on.

How should I clean the glass on my HEATILATOR CD4236LR?

Glass cleaning should be performed seasonally. You will need protective gloves, glass cleaner, a drop cloth, and a stable work surface. The fireplace should be turned off and cooled before servicing.

• Handle the fixed glass assembly with care as it is breakable. Avoid striking, scratching, or slamming the glass. Avoid abrasive cleaners. DO NOT clean the glass while it is hot.

• Prepare a work area large enough for the glass assembly by placing a drop cloth on a flat, stable surface.

• Remove the door or decorative front from the fireplace and set it aside.

• Follow the instructions in Section 15.J of the manual to remove the fixed glass assembly.

• Clean the glass with a non-abrasive commercially available cleaner. For light deposits, use a soft cloth with soap and water. For heavy deposits, use a commercial fireplace glass cleaner.

• Carefully set the fixed glass assembly back in place on the fireplace. Hold the glass in place with one hand and secure the glass latches with the other hand.

• Reinstall the door or decorative front.


How do I properly place the lava rock, vermiculite, and rockwool in my HEATILATOR CD4236LR?

Lava Rock: Refer to the diagram in the manual for proper placement on the sides and front of the hearth pan.

Vermiculite: Sprinkle vermiculite over the lava rock as shown in the diagram.

Rockwool: WARNING! Risk of Explosion! Follow rockwool placement instructions. DO NOT place rockwool directly over burner ports. Replace rockwool material annually.

• Rockwool is shipped with this gas appliance.

• Place a small amount of 1/2 in. diameter pieces (dime-size) of rockwool on the burner pan so that the rockwool touches but does not cover the holes in the burner pan.


How do I install the logs in my HEATILATOR CD4236LR?

• Base logs have been permanently mounted on the grate assembly and should not be moved.

• Install the “Y” log on the left-hand side of the grate using the locating pins to position it.

• Install the right top log as shown in the manual using the locating pins to position it properly.


How is the air shutter adjusted on the HEATILATOR CD4236LR?

Air shutter settings should be adjusted by a qualified installer at the time of installation. The air shutter is set at the factory for a minimum vertical vent run. It may need adjustment for longer vertical runs.

• 16 full turns of the shutter adjustment handle are required to move the air shutter from fully open to fully closed.

• When the shutter adjustment handle is all the way down, the air shutter is in the closed position.

NOTICE: If sooting occurs, provide more air by opening the air shutter.


What are the troubleshooting steps for the Standing Pilot Ignition System on my HEATILATOR CD4236LR?

This troubleshooting guide is for use by a qualified service technician.

Symptom Possible Causes Corrective Action
1. After repeated triggering of the red or black piezo ignitor button, the spark ignitor will not light the pilot. Check for spark. A. No gas or low gas pressure. Check the remote shut-off valves from the appliance. Usually, there is a valve near the gas main. There can be more than one valve between the appliance and the main.
B. No LP in tank. Check the LP (propane) tank. You may be out of fuel.
C. Ignitor. Check the spark at the electrode and pilot. If no spark and electrode wire is properly connected, replace the ignitor. Verify that there is no short in the electrode wire.
D. Pilot or misaligned electrode (spark at electrode). Using a match, light the pilot. If the pilot lights, turn off the pilot and trigger the piezo ignitor button again. If the pilot lights, an improper gas/air mixture caused the bad lighting and a longer purge period is recommended. If the pilot will not light, ensure the gap at the electrode and pilot is one-eighth inch to have a strong spark. If the gap is OK, replace the pilot.
2. The pilot will not stay lit after carefully following the lighting instructions. A. Thermocouple. Check that the pilot flame impinges on the thermocouple. Adjust the pilot for proper flame impingement. Ensure that the thermocouple connection at the gas valve is fully inserted and tight (hand tighten plus 1/4 turn). Verify proper voltage output from the thermocouple to the valve. Place one millivolt meter lead on the thermocouple copper lead. Place the second lead on the solder button on the back of the valve (blue wire). Start the pilot and hold the valve knob in. The millivolt reading should be 8-16 millivolts. If the reading is less than 8 millivolts, replace the thermocouple.
B. Improper gas inlet pressure. Natural gas should be 5-7 in. w.c. LP should be 11-14 in. w.c. Verify pressure with a manometer.
C. Valve. If the thermocouple is producing 8-16 millivolts, replace the control valve.
3. The pilot is burning, there is no burner flame, the valve knob is in the ON position, and the ON/OFF switch is in the ON position. A. On/off switch or wires defective. Check the ON/OFF switch and wires for proper connections. Place jumper wires across the terminals at the ON/OFF switch. If the burner comes on, replace the ON/OFF switch. If the switch is OK, place the jumper wires across the ON/OFF switch wires at the gas valve. If the burner comes on, the wires are faulty or connections are bad.
B. Thermopile may not be generating sufficient millivoltage. Check that the pilot flame impinges the thermopile properly. Be sure the wire connections from the thermopile at the gas valve terminals are tight and that the thermopile is fully inserted into the pilot bracket. Check the thermopile with a millivolt meter at the TH-TP&TP terminals of the gas valve. The meter should read 350 millivolts minimum. If the reading is below the minimum, replace the thermopile.
C. Failed valve. Turn the valve knob to the ON position. Place the ON/OFF switch in the ON position. Check the millivolt meter at the thermopile terminals. The meter should read greater than 125mV. If the reading is acceptable and the burner does not come on, replace the gas valve.
D. Plugged burner orifice. Check the burner orifice for stoppage. Remove stoppage.
E. Wall switch or wires. Check the wall switch and wires for proper connections. Place jumper wires across the terminals at the wall switch. If the burner comes on, replace the wall switch. If the wall switch is OK, place the jumper wires across the wall switch wires at the gas valve. If the burner comes on, the wires are faulty or connections are bad.
4. Frequent pilot outage problem. A. Pilot flame may be too high or too low, or blowing out (high pressure), causing pilot safety to drop out. Clean the thermocouple and adjust the pilot flame for proper flame impingement. Follow lighting instructions carefully.
5. The pilot and main burner extinguish while in operation. A. No LP in tank. Check the LP (propane) tank. Refill the fuel tank.
B. Improper gas inlet pressure. Verify with a manometer. NG should read 5-14 inches w.c. LP should read 10-14 inches w.c.
C. Inner vent pipe leaking exhaust gases back into the system. Check the venting system for damage. Replace/repair improperly assembled pipe sections.
D. Glass installed improperly. Check to ensure the glass is installed properly. Replace the glass panel assembly.
E. Failed thermopile or thermocouple. Replace the pilot if necessary.
F. Improper vent cap installation. Check for proper installation and freedom from debris or blockage.
6. Glass soots. A. Flame impingement. Adjust the log set so that the flame does not excessively impinge on it. Refer to log instructions.
B. Improper air shutter setting. Refer to the manual for shutter set points. Ensure the set point is correct for the appliance/gas type. If the unit has an adjustable shutter, it may be necessary to increase the shutter opening.
C. Debris around air shutter. Inspect the opening at the base of the burner. NO MATERIAL SHOULD BE PLACED IN THIS OPENING.
7. Flame burns blue and lifts off burner. A. Insufficient oxygen being supplied. Ensure that the vent cap is installed properly and free of debris. Ensure that the vent system joints are tight and have no leaks. Ensure that no debris has been placed at the base of, or in the area of, the air holes in the center of the base pan beneath the burner. Ensure that the glass is tightened properly on the unit, particularly on the top corners.

What are the troubleshooting steps for the Intellifire Ignition System on my HEATILATOR CD4236LR?

Symptom Possible Cause Corrective Action
1. Pilot won’t light. The ignitor/module makes noise, but no spark. A. Incorrect wiring. Verify “S” wire (white) for sensor and “I” wire (orange) for ignitor are connected to the correct terminals on the module and pilot assembly.
B. Loose connections or electrical shorts in the wiring. Verify no loose connections or electrical shorts in wiring from the module to the pilot assembly. Verify connections underneath the pilot assembly are tight; also verify connections are not grounding out to the metal chassis, pilot burner, pilot enclosure, mesh screen if present, or any other metal object.
C. Ignitor gap is too large. Verify the gap of the igniter to the right side of the pilot hood. The gap should be approximately .17 inch or 1/8 in. (3 mm).
D. Module. Turn the ON/OFF rocker switch or wall switch to the OFF position. Remove the ignitor wire “I” from the module. Place a grounded wire about 3/16 in. (5 mm) away from the “I” terminal on the module. Place the ON/OFF rocker switch or wall switch in the ON position. If there is no spark at the “I” terminal, the module must be replaced. If there is a spark at the “I” terminal, the module is fine. Inspect the pilot assembly for a shorted sparker wire or cracked insulator around the electrode. Replace the pilot if necessary.
2. Pilot won’t light, there is no noise or spark. A. No power or power supply installed incorrectly. Verify that the power supply is installed and plugged into the module. Check the voltage of the power supply under load at the spade connection on the module with the ON/OFF switch in the ON position. Acceptable readings for a good power supply are between 3.2 and 2.8 volts AC.
B. A shorted or loose connection in wiring configuration or wiring harness. Remove and reinstall the wiring harness that plugs into the module. Verify there is a tight fit. Verify the pilot assembly wiring to the module. Remove and verify the continuity of each wire in the wiring harness. Replace any damaged components.
C. Improper wall switch wiring. Verify that 110/VAC power is “ON” to the junction box.
D. Module not grounded. Verify the black ground wire from the module wire harness is grounded to the metal chassis of the appliance.
E. Module. Turn the ON/OFF rocker switch or wall switch to the OFF position. Remove the ignitor wire “I” from the module. Place the ON/OFF rocker switch or wall switch in the ON position. If there is no spark at the “I” terminal, the module must be replaced. If there is a spark at the “I” terminal, the module is fine. Inspect the pilot assembly for a shorted sparker wire or cracked insulator around the electrode.
3. Pilot sparks, but Pilot will not light. A. Gas supply. Verify that the incoming gas line ball valve is “open”. Verify that the inlet pressure reading is within acceptable limits.
B. Ignitor gap is incorrect. Verify that the spark gap from the ignitor to the pilot hood is .17 in. or 1/8 in (3 mm).
C. Module is not grounded. Verify the module is securely grounded to the metal chassis of the appliance.
D. Module voltage output / Valve/ Pilot solenoid ohms readings. Verify the battery voltage is at least 2.7 volts. Replace batteries if the voltage is below 2.7.
4. Pilot lights but continues to spark, and the main burner will not ignite. (If the pilot continues to spark after the pilot flame has been lit, flame rectification has not occurred.) A. A shorted or loose connection in flame sensing rod. Verify all connections to the wiring diagram in the manual. Verify connections underneath the pilot assembly are tight. Verify connections are not grounding out to the metal chassis, pilot burner, pilot enclosure, or screen if present, or any other metal object.
B. Poor flame rectification or contaminated flame sensing rod. With the fixed glass assembly in place, verify that the flame is engulfing the flame sensing rod on the left side of the pilot hood. The flame sensing rod should glow shortly after ignition. Verify the correct pilot orifice is installed and the gas inlet is set to pressure specifications.
C. Module is not grounded. Verify the module is securely grounded to the metal chassis of the appliance. Verify that the wire harness is firmly connected to the module.
D. Damaged pilot assembly or contaminated flame sensing rod. Verify that the ceramic insulator around the flame sensing rod is not cracked, damaged, or loose. Verify the connection from the flame sensing rod to the white sensor wire. Clean the flame sensing rod with emery cloth to remove any contaminants. Verify continuity with a multimeter with ohms set at the lowest range. Replace the pilot if any damage is detected.
E. Module. Turn the ON/OFF rocker switch or wall switch to the OFF position. Remove the ignitor wire “I” from the module. Place the ON/OFF rocker switch or wall switch in the ON position. If there is no spark at the “I” terminal, the module must be replaced. If there is a spark at the “I” terminal, the module is fine.

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