White Rodgers 36E93-304 User's Manual
Contents
1. appliance if any part has been under WHAT TO DO IF YOU SMELL GAS water Immediately call a qualified service technician to Do not try to light any appliance inspect the appliance and to replace any part of the control system and any gas control which has been Do not touch any electrical switch do not use any under water phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions OPERATING INSTRUCTIONS STOP Read the safety information above on this label 7 Wait five 5 minutes to clear out any gas If you then Set the thermostat to lowest setting smell gas STOP Follow B in the safety information _ Turn off all electric power to the appliance above on this label If you don t smell gas go to the f i ae f next step This appliance is equipped with an ignition device which T trol knob terclockwise to ON automatically lights the pilot Do not try to light the pilot e AUN gaS CONO KNO COUMETCIOCKWISG 10 SHIN by hand Replace control access panel Remove control access panel Turn on all electric power to the appliance Turn gas control knob clockwise to OFF Set thermostat to desired setting 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 Set the thermostat to lowest setting 42. 36E93 304 WHITE RODGERS Delay Opening Combination Gas Valve 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 36E93 304 combination gas valve is designed for intermittent ignition system applications 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 SPECIFICATIONS Type of Gas Natural gas Ambient Temperature LP gas use conversion kit 40 to 175 F Pressure Regulator Setting Pressure Rating 14 W C 2 PSI max Nat Gas 2 5 to 5 0 W C Voltage 24 VAC LP Gas 7 0 to 12 0 W C Frequency 50 60 Hz PIPE SIZES CAPACITIES Capacity BTU hr at Pipe Sizes Available 1 pressure drop across valve inches AGA Sid Nat Gas LP Gas 1 000 BTU cu ft 2 500 BTU cu ft 75 000 75 000 00 000 140 000 140 000 MOUNTING POSITIONS Upright or 0 to 90 from upright INLET BOSS UPRIGHT LEFT OR RIGHT UP OR DOWN CONTENTS Description Specifications Precautions Installation Pilot Gas Connection System Wiring Adjustment Manual Valve Knob Pilot Gas Adjustment Pressure Regulat
3. Turn gas control knob clockwise to OFF Do not force Turn off all electric power to the appliance if service is to 5 Replace control access panel be performed Remove control access panel If you need more information about this product you may write to us at WHITE RODGERS DIVISION Emerson Electric Co 9797 Reavis Road St Louis MO 63123 5398
4. ed 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 Regulator Pressure Vent Main Gas Outlet Figure 2 All piping must comply with local codes ordinances and or national fuel gas codes minimum minimum 4 t Piped Gas Piped Gas Supply Supply 3 in Tubing Gas Supply Figure 3 Typical gas valve piping SYSTEM WIRING REFER TO AND FOLLOW THE APPLIANCE MANUFACTURER S WIRING DIAGRAM REFER TO FIG 4 FOR TERMINAL IDENTIFICATION 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 INSTALLATION cont d Figure 4 Gas valve wiring diagram ADJUSTMENT 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 ind
5. icator 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 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 Regulator Cover Screw Plastic Adjust S just Screw S Regulator Adjust Screw B Figure 6 Pilot Cover Screw a Gasket Pilot a DK PILOT ADJ A A Manual valve knob Indicator shown in OFF position Figure 5 Manual gas valve knob 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 itcannot be field adjusted outside that range This is als
6. o true for valves adjusted to the 7 5 to 12 inches W C range for LP 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 pres sure according to the original equipment manufacturer s specifications listed on the appliance rating plate 5 Replace regulator cover screw and tighten securely LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATING A WARNING wy 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 is equipped with an intermittent ignition e If you cannot reach your gas supplier call the fire device which automatically lights the appliance Do not try department to light the pilot by hand 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 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 Do not use this
7. or Adjustment Figure 1 Gas valve mounting positions B HITE RODGERS DIVISION EMERSON ELECTRIC CO 2 PART NO 37 5291C mummy 9797 REAVIS ROAD Printed in U S A Replaces 37 5291B EMERSON ST LOUIS MISSOURI 63123 5398 9615 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 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 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 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
8. 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 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 plumbing and electrical connections from the old control 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 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 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 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 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 INSTALLATION PILOT GAS CONNECTION These valves are shipp
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