White Rodgers 36C04U-438 Installation Instructions
Contents
1. screw counterclockwise y N Replace and tighten cover screw Pilot adjust cover screw S Gasket l Pilot adjust X screw Figure 7 Pilot flame adjustment PRESSURE REGULATOR ADJUSTMENT This valve is shipped from the factory with the regulator adjusted for 3 5 natural gas Consult the appliance rating plate to ensure that this is the proper burner manifold pressure If another outlet pressure is required adjustment can be made as follows Do not force the adjusting screw beyond the limits that it can easily be adjusted 1 Turn off power to system at main fuse or circuit breaker 2 Attach amanometer to the outlet pressure tap of the gas valve 3 Turn on power to the system and energize second stage system to ignite main burner 4 Remove plug from hole in plastic cover on top of control panel 5 To DECREASE outlet pressure turn the adjusting screw beneath the plug counterclockwise yN To INCREASE outlet pressure turn the adjusting screw clockwise 7N Adjust regulator until pres sure shown on manometer matches the pressure specified on the appliance rating plate 6 Replace the plug Cycle the valve two or three times to verify regulator setting Regulator adjust cover screw Pilot adjust cover screw Figure 8 Gas valve top PILOT LIGHTING INSTRUCTIONS AND PRECAUTIONS FOR YOUR SAFETY READ BEFORE LIGHTING A WARNING If you do not follow these instructions exactly a fire2. WHITE RODGERS Type 36C04 36C14 Step Opening Combination Gas Control 24 Volt 120 Volt amp 750 mV Models 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 This multi function gas control combines into a single compact package the functions of a 3 position manual valve a main gas valve pressure regulator and 100 shut off automatic pilot The pilot gas outlet accepts a 1 4 pilot line connection Model No Voltage Type of Gas 36C04 24 Volt 36C04A 120 Volt Pilot Gas Outlet Located at outlet end of the valve Type of Gas Suitable for all domestic heating gases Pressure Rating lb per sq in Pressure Regulator Adjust Range typical see con trol label Natural Gas 2 5 to 5 0 W C LP Gas 7 5 to 12 W C Ambient Temperature 40 to 175 F Thermocouple 24 Volt and 120 Volt types Use W R Type H06 Pilot Generator 750 mV types Use W R Type G01A 32 Mounting Any position except upside down HM WHITE RODGERS DIVISION EMERSON ELECTRIC CO 9797 REAVIS ROAD emeRson ST LOUIS MISSOURI 63123 5398 DESCRIPTION SPECIFICATIONS PIPE SIZES CAPACITIES Capacity BTU hr at 1 pressure drop across valve Nat Gas LP Gas Pipe Size 1000 BTU cu ft 2500 BTU cu ft inches 64 Sp G
3. flon tape to the first two threads see fig 2 for typical piping connections NOTE 6 Ifyou are using avise or open end wrench to hold the valve while installing piping do not tighten exces REFER TO AND FOLLOW THE APPLIANCE sively as this may damage the valve MANUFACTURER S WIRING DIAGRAM REFER TO 7 See SYSTEM WIRING when making electrical con FIGS 4 amp 5 FOR TERMINAL IDENTIFICATION nections After all gas and electrical connections are All wiring should be installed in accordance with local and completed turn gas on and check for gas leaks with national electrical codes and ordinances leak detection solution or soap suds Bubbles form Always check that the electrical power supply used ing indicate a leak SHUT OFF GAS AND FIX ALL agrees with the voltage and frequency shown on the gas LEAKS IMMEDIATELY control PILOT GAS CONNECTION C Silas Install fitting into pilot gas outlet see fig 3 turning until finger tight Insert clean deburred tubing all the way through the fitting While holding the tubing securely slowly tighten fitting until you feel a slight give Tighten the fitting an additional 11 2 turns White Rodgers 36C Gas Valve E T ry iy lol SISUS Y000G0000 To Pilot Generator Pilot gas outlet US pase ee ee a a i Figure 4 Wiring for 36C04U amp 36C14U 750 Volt Thermostat Gas outlet Gas valve terminal panel Figure 3 Gas valve side v
4. iew QO00GO000 Transformer Figure 5 Wiring for 36C04 amp 36C14 24 Volt Line Line voltage operating High control limit Gas valve Figure 6 Wiring for 36C04A amp 36C14A 120 Volt ADJUSTMENT THERMOCOUPLE CONNECTION For 24 VAC and 120 VAC Models The thermocouple connection should be clean to ensure good electrical contact Run the thermocouple nut into the power unit tapping as far as possible by hand Then use a small wrench to set the nut with a to 1 2 additional turn Do not overtighten PILOT GENERATOR CONNECTION For 750 mV Models Be sure the pilot generator is completely engaged into the pilot burner Be sure that the two terminals from the pilot generator are securely tightened beneath the proper screws on the valve Connect the power unit lead to the high limit and the high limit to the TH PG terminal PILOT GAS ADJUSTMENT If the pilot flame is low and does not engulf the bulb of the mercury flame sensor the system will not energize the main valve If pilot gas pressure is too high gas will sputter past the ignition electrode and may not ignite High pilot gas pressure may also cause the flame to lift off the burner causing the flame sensor bulb to sense low heat To adjust the pilot gas pressure remove the cover screw see fig 7 To REDUCE pilot pressure turn the pilot adjust screw beneath the cover screw clockwise 7N To INCREASE pilot pressure turn the pilot adjust
5. knob slightly and turn clockwise to OFF see fig 6 If knob is in ON turn clockwise to PILOT then depress knob slightly and turn clockwise to OFF Gas control 8 Turn knob on gas control counterclockwise to PILOT Depress control knob all the way and hold in Immediately light the pilot with a match Continue to hold the control knob down for about one 1 minute after the pilot is lit Release knob and it will pop back up Pilot should remain lit If it goes out repeat steps 4 5 8 and 9 If Knob does not pop up when released turn clockwise to OFF stop and immediately call your service technician or gas supplier NOTE Knob cannot be turned from PILOT to OFF unless If the pilot will not stay lit after several tries turn the gas knob is depressed slightly Do not use tools or excessive control knob to OFF and call your service technician or gas force supplier Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the precautionary information above If you don t smell gas go to next step 10 Replace pilot access panel s 11 Turn gas control knob counterclockwise to ON 12 Turn on all electrical power to the appliance Remove the pilot access panel s located under the gas control unit 13 Set thermostat to desired setting TO TURN OFF GAS TO APPLIANCE Set the thermostat to lowest setting 3 Turn gas control knob clockwise to PILOT Turn off all electrical power to the ap
6. or explosion may result causing property damage personal injury or loss of life This appliance has a pilot that must be lighted by hand When lighting the pilot follow these instructions exactly BEFORE LIGHTING 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 If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service techni cian Force or attempted repair may result in a fire of WHAT TO DO IF YOU SMELL GAS explosion D HOLA io liane any aooliance Donotuse this appliance if any part has been under water y g y app Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control that has been under water 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 LIGHTING INSTRUCTIONS STOP Read the precautionary information above 7 Find pilot follow small metal tubes from gas Set the thermostat to lowest setting conna Turn off all electrical power to the appliance PILOT THERMO Depress gas control
7. pliance if service is to be performed 4 Depress gas control knob slightly and turn clockwise to OFF Do not use tools or excessive force Figure 9 Gas cock knob 5 If you need more information about this product please write to us at WHITE RODGERS DIVISION Emerson Electric Co 9797 Reavis Road St Louis MO 63123 5398 Attn Technical Service Department
8. r 1 53 Sp Gr Upright 90 from upright or vertical INLET BOSS UPRIGHT UP OR DOWN LEFT OR RIGHT eli NOTE Control shown may not be identical to replacement control Figure 1 Mounting positions PART NO 37 5837B Printed in U S A Replaces 37 5837A 9947 PRECAUTIONS DO NOT BEGIN INSTALLATION UNTIL YOU READ THE FOLLOWING PRECAUTIONS A WARNING Me 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 Do notuse this control on circuits exceeding specified voltage Higher voltage will dam age the control and may cause shock or fire hazard NEVER USE FLAME OR ANY KIND OF SPARK TO CHECK FOR GAS LEAKS COULD CAUSE FIRE AND OR EXPLOSION A CAUTION 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 INSTALLATION MAIN PIPING CONNECTIONS All piping must comply with local codes ordinances and or national fuel gas codes 1 2 Turn off electrical power to the system at the fuse box or circuit breaker Also turn off the main gas supply If replacing an existing valve disconnect all plumb ing and electrical connections from the old control The valve may be installed in any position except upside down The arrow on the bottom pla
9. te indi cates the direction of gas flow through the valve 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 Apply pipe joint compound pipe dope or teflon tape that is approved for all gases only to the male If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life 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 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 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 Drop Horizontal La NOTE Always Include Riser i Gas Valve ini in A Drip Leg In Piping minimum Drop I il Tubing Gas Gas Valve iYi Supply Gas Valve jj 3in 3 in minimum minimum jt Piped Gas Piped Gas Supply Supply Figure 2 Typical gas valve piping INSTALLATION cont d threads of the pipe joints DO NOT apply com SYSTEM WIRING pound or te
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