White Rodgers Offroad Vehicle 36E93 304 User Manual

36E93-304  
Delay-Opening Combination Gas Valve  
INSTALLATION INSTRUCTIONS  
WHITE-RODGERS  
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  
LP gas (use conversion kit)  
Pressure Regulator Setting:  
Nat. Gas – 2.5 to 5.0” W.C.  
LP Gas – 7.0 to 12.0” W.C.  
Ambient Temperature:  
-40° to 175°F  
Pressure Rating: 14” W.C. (12 PSI) max.  
Voltage:  
24 VAC  
Frequency:  
50/60 Hz  
PIPE SIZES/CAPACITIES  
Capacity (BTU/hr) at  
1” pressure drop across valve  
Pipe Sizes Available  
(inches)  
AGA Std. Nat. Gas  
LP Gas  
(1,000 BTU/cu. ft.) (2,500 BTU/cu. ft.)  
3
8” x 38” NPT any combination  
75,000  
75,000  
100,000  
140,000  
140,000  
121,500  
121,500  
162,000  
226,800  
226,800  
3
8” x 34” NPT straight through  
1
2” x 38” NPT any combination  
2” x 12” NPT any combination  
1
MOUNTING POSITIONS:  
Upright, or 0° to 90° from upright  
1
2” x 34” NPT straight through  
INLET BOSS  
UP OR DOWN  
UPRIGHT  
LEFT OR RIGHT  
CONTENTS  
360°  
Description ......................................................... 1  
Specifications..................................................... 1  
Precautions ........................................................ 2  
Installation.......................................................... 3  
Pilot Gas Connection  
INLET  
PRESS  
TAP  
System Wiring  
Adjustment ......................................................... 5  
Manual Valve Knob  
Pilot Gas Adjustment  
Pressure Regulator Adjustment  
Figure 1. Gas valve mounting positions  
WHITE-RODGERS DIVISION  
EMERSON ELECTRIC CO.  
9797 REAVIS ROAD  
ST. LOUIS, MISSOURI 63123-5398  
PART NO. 37-5291C  
Replaces 37-5291B  
9615  
Printed in U.S.A.  
 
INSTALLATION  
PILOT GAS CONNECTION  
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.  
Thesevalvesareshippedwiththepilotoutletplugged.For  
installations requiring pilot gas, remove the plug and use  
the fitting packed separately with the control.  
3. The control may be installed in any position, except  
upsidedown. Thearrowonthebottomplateindicates  
the direction of gas flow through the valve.  
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 112 turns.  
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.  
SeeADJUSTMENTsection(page5)andfig.6forpilotset  
up.  
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.  
Pilot Gas  
Outlet  
PILOT  
Regulator  
Vent  
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  
leakdetectionsolutionorsoapsuds.Bubblesforming  
indicate a leak. SHUT OFF GAS AND FIX ALL  
LEAKS IMMEDIATELY.  
Pressure  
Tap  
Main Gas  
Outlet  
OUT  
PRESS  
TAP  
Figure 2  
NOTE  
All piping must comply with local codes, ordinances,  
and/or national fuel gas codes.  
NOTE: ALWAYS INCLUDE A  
DRIP LEG IN PIPING  
Drop  
Drop  
Gas Valve  
Horizontal  
Riser  
Horizontal  
Gas Valve  
Gas Valve  
3 in.  
minimum  
3 in.  
minimum  
3 in.  
minimum  
Riser  
Piped Gas  
Supply  
Piped Gas  
Supply  
Tubing Gas  
Supply  
Figure 3. Typical gas valve piping  
3
 
INSTALLATION(cont’d)  
SYSTEM WIRING  
5
1
4
REFER TO AND FOLLOW THE APPLIANCE  
MANUFACTURER’S WIRING DIAGRAM. REFER TO  
FIG. 4 FOR TERMINAL IDENTIFICATION.  
2
3
NOTE  
All wiring should be installed in accordance with local and  
national electrical codes and ordinances.  
PILOT ADJ  
Alwayscheckthattheelectricalpowersupplyusedagrees  
with the voltage and frequency shown on the gas control.  
Pressure  
Switch  
Rectifier  
Bridge  
5
1
Redundant  
Main  
4
2
3
Figure 4. Gas valve wiring diagram  
4
 
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  
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 ADJ  
Manual valve knob  
shown in OFF position  
Indicator  
Figure 5. Manual gas valve knob  
PILOT GAS ADJUSTMENT  
PRESSURE REGULATOR  
ADJUSTMENT  
These controls are factory preset to provide proper pilot  
gas flow for most applications. If additional adjustment is  
necessary, follow these steps.  
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.  
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.  
If a valve has been factory-adjusted for the 2.5 to 5 inches  
W.C. range, itcannotbefield-adjustedoutsidethatrange.  
This is also true for valves adjusted to the 7.5 to 12 inches  
W.C. range for LP gas.  
3. Replace the gasket and pilot adjust cover screw and  
tighten securely.  
1. Turn off all electrical power to the system.  
4. Restore power to the system.  
2. Attach a manometer to the outlet pressure tap of the  
valve.  
Pilot  
Cover Screw  
3. Turn on system power and energize valve.  
4. Remove regulator cover screw and turn regulator  
adjust screw clockwise to increase pressure, or  
counterclockwisetodecreasepressure(seefig. 6).  
Always adjust regulator to provide the correct pres-  
sure according to the original equipment  
manufacturer’s specifications listed on the appliance  
rating plate.  
Regulator  
Cover Screw  
Gasket  
Pilot  
Adjust Screw  
Plastic  
Adjust Screw  
5. Replace regulator cover screw and tighten securely.  
Regulator  
Spring  
Figure 6  
5
 
LIGHTING INSTRUCTIONS  
FOR YOUR SAFETY READ BEFORE OPERATING  
If you do not follow these instructions exactly, a fire or explosion  
may result causing property damage, personal injury or loss of life.  
!
WARNING  
A. This appliance is equipped with an intermittent ignition  
device which automatically lights the appliance. Do not try  
to light the pilot by hand.  
• 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.  
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.  
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.  
• 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.  
OPERATING INSTRUCTIONS  
1. STOP! Read the safety information above on this label.  
2. Set the thermostat to lowest setting.  
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.  
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.  
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.  
5. Remove control access panel.  
6. Turn gas control knob clockwise to “OFF.”  
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  
1. Set the thermostat to lowest setting.  
4. Turn gas control knob clockwise to “OFF.” Do not force.  
2. Turn off all electric power to the appliance if service is to  
be performed.  
5. Replace control access panel.  
3. 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  
 

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