White Rodgers TV VCR Combo 36C94 303 User Manual

36C94-303  
Delay-Opening Combination Gas Valve  
INSTALLATION INSTRUCTIONS  
FAILURETO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE  
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL  
INJURY AND/OR PROPERTY DAMAGE.  
DESCRIPTION  
36C94-303 is a direct replacement for 36C94-302, 36E93-301, valve that controls gas flow to the pilot and main burners, a main  
36E93-302, 36E93-303 and 36E93-304. The 36C94-303 com- valvethatcontrolsgasowtothemainburner,apressureregula-  
bination gas valve is designed for intermittent ignition system tor to maintain a constant outlet pressure, integral gas pressure  
applications. The valve is equipped with a redundant solenoid switch and a two position on/off switch for electrical shutoff.  
SPECIFICATIONS  
Parts and Accessories:  
Type of Gas: Natural gas  
LP gas (use conversion kit)  
F92-0656 - LP to Natural Gas Conversion Kit for use on  
Single Stage 36C, D, E, F, G, H, J valves. Regulation range  
2.5" to 5.0" W.C.  
Pressure Regulator Adjustment Range:  
Nat. Gas – 2.5 to 5.0" W.C.  
L.P. Gas – 7.0 to 12" W.C.  
F92-0659 - Natural to Regulated LP Gas conversion Kit for  
use on Single Stage 36C, D, E, F, G, H, J valves. Regulation  
range 7.0" to 12.0" W.C.  
Pipe Size:  
Inlet – 1/2" NPT  
Outlet – 3/4" NPT  
Capacity @ 1" pressure drop across valve:  
230,000 BTU/HR of 0.64 SP GR.  
1,000 BTU/CU. FT gas  
Ambient Temperature: –40 to +175°F (–40 to 79°C)  
Pressure Rating: 14" W.C. (1/2 PSI) max.  
Electrical Rating: 24 VAC, 60 Hz, 0.6 A  
PRECAUTIONS  
DO NOT BEGIN INSTALLATION UNTILYOU READ THE FOLLOWING PRECAUTIONS.  
If you do not follow these instructions exactly, a fire or explosion may  
result causing property damage, personal injury or loss of life.  
!
WARNING  
1. Failure to turn off electric or main gas supply to heating system could cause personal injury and/or property  
damage by shock, gas suffocation, fire, and/or explosion.  
2. Do not use this control on circuits exceeding specified voltage. Higher voltage will damage the control and  
may cause shock or fire hazard.  
3. NEVER USE FLAME OR ANY KIND OF SPARK TO CHECK FOR GAS LEAKS–COULD CAUSE FIRE AND/OR  
EXPLOSION.  
4. 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 explosion may result.  
PART NO. 37-7086B  
Replaces 37-7086A  
1024  
 
INSTALLATION  
SYSTEM WIRING  
REFERTO AND FOLLOWTHE APPLIANCE MANUFACTUR-  
ER'S WIRING DIAGRAM. REFER TO FIG. 3 FOR TERMINAL  
IDENTIFICATION.  
Pilot Gas Connection  
Install fitting into pilot gas outlet (see Fig. 7), 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.  
NOTE  
ConversionfromNaturaltoL.P.Gas.Refertoconver-  
sion kit installation instructions.  
All wiring should be installed in accordance with local and na-  
tional electrical codes and ordinances.  
Outlet Pressure Adjustment  
This control is shipped from the factory with the regulator set to  
3.5" W.C. (Natural gas full flow). If required, the regulator can  
be adjusted for outlet pressures normally ranging from 2.5 to  
5" W.C. (natural gas) or 7.5 to 12" W.C. (L.P. gas). Do not force  
the adjusting screw beyond the limits that it can easily be  
adjusted.  
Always check that the electrical power supply used agrees with  
the voltage and frequency shown on the gas control.  
ON/OFF  
SWITCH  
36C  
C
2
MAIN  
Inlet/Outlet pressure test ports are 1/8" NPT (see Fig. 7). For  
testing pressure, the outlet pressure tap plug will need to be  
removed and a separate hose fitting installed.After testing pres-  
sure with a manometer remove hose fitting and re-install plug.  
Tighten to 60 in-lb max.  
1
PILOT  
(REDUNDANT)  
FLAME  
SWITCH  
4
3
PRESSURE  
SWITCH  
1. Attach the manometer to the outlet pressure tap of the  
valve.  
ELECTRICAL SCHEMATIC  
36C94-303  
VALVE WIRING  
2. Energize system to ignite main burner.  
3. Remove barbed hose fitting.  
Figure 3. Valve Wiring  
4. To DECREASE outlet pressure, turn the adjusting screw  
5
1
4
(beneath the barbed hose fitting) counterclockwise.  
1
2
To INCREASE outlet pressure, turn the adjusting screw  
clockwise.  
3
4
2
3
5. Replace the barbed hose fitting. Cycle the valve two or  
three times to verify regulator setting.  
PILOT ADJ.  
36C94  
Terminal Panel  
36E93  
Terminal Panel  
Pilot Gas Adjustment  
This control was factory preset and will not normally require  
additional adjustment of pilot flame.  
36E93-301  
36E93-302  
36E93-303  
Description Term and Size  
36C94-303  
36E93-304  
Old Terminals  
36C94-302  
New Terminals  
If the pilot flame requires adjustment, remove the pilot adjusting  
cover screw and gasket (see Fig. 5). To REDUCE pilot flame,  
turn the pilot adjust screw (beneath the cover screw) clockwise.  
To INCREASE pilot flame, turn the pilot adjust screw counter-  
clockwise. Replace gasket and tighten cover screw.  
Pilot  
5
1
4
(Redundant) 1/4" Male Spade  
Coil  
Main Coil  
3
1
4
1/4" Male Spade  
1/4" Male Spade  
with 1/4" x 3/16"  
adapter installed  
Pressure  
Switch  
2
3
Common  
1/4" Male Spade  
2
Figure 4.Terminal Connection Old/New  
4.00 R  
SWING RADIUS  
BARBED HOSE FITTING  
MUST BE REINSTALLED  
IF REGULATOR  
IS READJUSTED  
PRESSURE ADJUSTING  
SCREW IS BENEATH  
3.89  
INLET  
1/8"-27 N.P.T.  
PRESSURE TAP  
THE BARBED  
HOSE FITTING  
REF.  
5.09  
OUTLET  
PRESSURE TAP  
1/8”-27 N.P.T.  
INLET 1/2"-14 N.P.T.  
THDS. WITH SCREEN  
1.08  
.89  
PILOT GAS OUTLET  
CONNECTION  
FOR 1/4” O.D. TUBE  
1.25  
1/4” X 3/16”  
TERMINAL  
ADAPTER  
.58  
PILOT ADJUSTING  
COVER SCREW  
.88  
.88  
OUTLET 3/4”-14 N.P.T.  
THDS. WITH SCREEN  
4.00  
4.53  
1.44  
2.87  
Figure 5. Gas Valve,Top  
Figure 6. Gas Valve, Side  
Figure 7. Gas Valve, Outlet Side  
3
 
LIGHTING INSTRUCTIONS  
FORYOUR 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.  
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.  
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.  
If you cannot reach your gas supplier, call  
the fire department.  
C. 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.  
FORYOUR SAFETY  
“WHAT TO DO IFYOU SMELL GAS”  
Do not try to light any appliance.  
OPERATING INSTRUCTIONS  
1. STOP! Read the safety information above on this  
information above. If you don’t smell gas, go to  
the next step.  
page.  
2. Set the thermostat to lowest setting.  
8. Push On/Off switch to “ON.”  
3. Turn off all electric power to the appliance.  
9. Replace control access panel.  
4. This appliance is equipped with an ignition device  
which automatically lights the burner. Do not try  
to light the burner by hand.  
10. Turn on all electric power to the appliance.  
11. Set thermostat to desired setting.  
12. If the appliance will not operate, follow the  
instructions “To Turn Off Gas To Appliance” and  
call your service technician or gas supplier.  
5. Remove control access panel.  
6. Push On/Off switch to "OFF."  
7. Wait five (5) minutes to clear out any gas. If you  
then smell gas, STOP! Follow “B” in the safety  
TO TURN OFF GAS TO APPLIANCE  
1. Set the thermostat to lowest setting.  
3. Remove control access panel.  
4. Push On/Off switch to “OFF.”  
5. Replace control access panel.  
2. Turn off all electric power to the appliance if service  
is to be performed.  
White-Rodgers is a division  
of Emerson Electric Co.  
The Emerson logo is a  
trademark and service mark  
of Emerson Electric Co.  
 

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