White Rodgers 36C53 User's Manual
Contents
1. 36C53 WHITE RODGERS Dae er nla 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 DESCRIPTION The multi function gas controls combine into a single package the functions of 3 position gas cock main gas valve pressure regulator and 100 shut off automatic pilot The pilot gas outlet accepts a 1 4 pilot line connec tion This model features a slow opening main valve that provides a softer ignition and E C O connections To permit replacement of a variety of valve sizes some models are furnished with two reducer bushings two 3 4 to 2 Also included is an E C O jumper wire that allows this valve to be used on an installation without electrical cut off device SPECIFICATIONS Electrical Rating PIPE SIZES CAPACITIES Voltage 24 Volts 30 Volts Max 60 Hz Capacity BTU hr at Current Rating 0 23 Amps 1 pressure drop across valve Type of Gas F Nat Gas LP Gas Natural Gas Pipe Size 1000 BTU cu ft 2500 BTU cu ft inches 64 Sp Gr 1 53 Sp Gr Pressure Rating lb per sq in 14 W C 100 000 162 000 Pressure Regulator Setting 230 000 372 600 Adjustable from 2 5 to 5 0 W C 230 000 372 600 Factory preset for 3 5 W C 280 000 453 600 Ambient Temperature 407 to T 97F Upright 90 from up2. DECREASE outlet pressure turn the adjusting screw beneath the cover screw counterclockwise To INCREASE outlet pressure turn the adjusting screw clockwise 4 Replace the cover screw Cycle the valve two or three times to verify regulator setting REGULATOR ADJUSTING COVER SCREW PILOT ADJUST COVER SCREW Figure 7 Pressure regulator adjustment PILOT LIGHTING INSTRUCTIONS AND PRECAUTIONS FOR YOUR SAFETY READ BEFORE LIGHTING A WARNING W If you do not follow these instructions exactly a fire 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 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 you gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department 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 explo
3. et Figure 3 Gas valve side view ENERGY CUT OFF E C O CONNECTION A five function valve uses the 2 E C O terminals that are connected to the magnetic assembly where the thermo couple connects to the 36C valve line interrupter An E C O device is mounted in the furnace near the limit control and a lead assembly is connected to the E C O terminals on the 36C valve INSTALLATION con d THERMOCOUPLE CONNECTION 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 Connect leads from E C O terminals to E C O device on furnace Test E C O device for continuity If there is no continuity power unit will not hold in If the furnace does not have an E C O device use the jumper provided in the pack SYSTEM WIRING To prevent electrical shock and or equipment damage disconnect electrical power to system at main fuse or circuit breaker box until installation is complete NOTE All wiring should be installed in accordance with local and national electrical codes and ordinances Always check thatthe electrical power supply used agrees with the voltage and frequency shown on the gas control The typical wiring diagram shows only the terminal iden tification and wiring hook up Always refer to wiring instructions p
4. flon 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 1 for typical piping connections 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 If additional clearance for the gas cock knob is re quired when installing the new valve in an existing system rotate the knob to the position between ON and OFF Depress the knob while turning the valve The knob will depress only while in this position 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 Drop Horizontal 7 Gas Valve NOTE Always Include A Drip Leg In Piping Drop I l I I I I Horizontal Gas Valve 3in minimum Piped Gas Supply Figure 2 Typical gas valve piping PILOT GAS CONNECTION Install fitting into pilot gas outlet see fig 2 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 1 1 2 turns Pilot Gas Outlet Gas Outl
5. r out any gas If you then 10 Replace pilot access panel s smell gas STOP Follow B in the precautionary informa 44 Turn gas control knob counterclockwise to ON tion above If you don t smell gas go to next step 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 appliance if service is to be performed 4 Depress gas control knob slightly and turn clockwise to OFF Do not use tools or excessive force Indicator Figure 8 Gas Cock Knob 5 If you need further information about this product please write to White Rodgers Division Emerson Electric Co 9797 Reavis Road St Louis MO 63123 5398 Attention Technical Service Department 9999 HWY 48 Markham ONT L3P 3J3 Attention Technical Service Department
6. right or vertical Thermocouple INLET BOSS 30 millivolt type UPRIGHT UP OR DOWN LEFT OR RIGHT CONTENTS Description Specifications Precautions Installation Main Piping Connection Pilot Gas Connection Energy Cut Off E C O Connection Thermocouple Connection NOTE Control shown may not be identical System Wiring to replacement control E Adjustment Figure 1 Gas valve mounting positions Pressure Regulator Adjustment Pilot Lighting Instructions and Precautions WHITE RODGERS DIVISION EMERSON ELECTRIC CO 9797 REAVIS ROAD ST LOUIS MO 63123 5398 PART NO 37 5825B 314 577 1300 FAX 314 577 1517 Replaces 37 5825A 9999 HWY 48 Markham ONT L3P 3J3 Printed in U S A 0024 IEMIERSON 905 475 4653 FAX 905 475 4625 SPECIFICATIONS DO NOT BEGIN INSTALLATION UNTIL YOU READ THE FOLLOWING PRECAUTIONS A W ARNIN le If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life 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 not use 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 USE WIRE JUMPER on pilot sy
7. rovided by Equipment Manufacturer for sys tem hookup operation THERMOSTAT GAS VALVE TERMINAL PANEL Q000G0000 TRANSFORMER Figure 4 Wiring for 36C53 THERMOCOUPLE CONNECTION E C O DEVICE LEAD ASSEMBLY E C O TERMINALS Figure 5 Wiring for Energy Cut Off E C O connection INSTALLATION cont d PILOT FLAME 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 6 To REDUCE pilot pressure turn the pilot adjust screw beneath the cover screw clockwise To INCREASE pilot pressure turn the pilot adjust screw counterclockwise Replace and tighten cover screw S lt Pilot Adjust Cover Screw EN Gasket Figure 6 Pilot Flame Adjustment PRESSURE REGULATOR ADJUSTMENT The pressure regulator has been factory adjusted see control for specific setting Although additional adjust ments will not normally be necessary you may adjust the regulator Do not force the adjusting screw beyond the limits that it can easily be adjusted 1 Energize valve to ignite main burner 2 Remove Reg Adj cover screw see fig 7 3 To
8. s 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 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 Turn off electrical power to the system at the fuse box or circuit breaker Also turn off the main gas supply 2 Ifreplacing an existing valve disconnect all plumbing and electrical connections from the old control 3 Thecontrol may be installed in any orientation except upside down The arrow on the valve indicates the direction of gas flow through the control 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 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 Apply pipe joint compound pipe dope or te
9. sion Donotuse 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 that has been under water LIGHTING INSTRUCTIONS STOP Read the precautionary information above Set the thermostat to lowest setting Turn off all electrical power to the appliance Depress gas control knob slightly and turn clockwise to OFF see fig 7 If knob is in ON turn clockwise to PILOT then depress knob slightly and turn clockwise to OFF Gas Control 36C Series NOTE Knob cannot be turned from PILOT to OFF unless knob is depressed slightly Do not use tools or excessive force 7 Find pilot follow small metal tubes from gas control PILOT THERMO BURNER COUPLE 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 If the pilot will not stay lit after several tries turn the gas control knob to OFF and call your service technician or gas supplier Wait fifteen 15 minutes to clea
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