Emerson White Rodgers 36C94-303 User manual

36C94-303
Delay-Opening Combination Gas Valve
INSTALLATION INSTRUCTIONS
FAILURETO READAND FOLLOWALL INSTRUCTIONSCARE-
FULLY BEFORE INSTALLINGOR OPERATINGTHISCONTROL
COULD CAUSE PERSONAL INJURY AND/OR PROPERTY
DAMAGE.
DESCRIPTION
SPECIFICATIONS
36C94-303 is a direct replacement for 36C94-302,
36E93-301, 36E93-302, 36E93-303 and 36E93-304.
The 36C94-303 combination gas valve is designed
for intermittent ignition system applications. The
valve is equipped with a redundant solenoid valve
that controls gas ow to the pilot and main burners, a
main valve that controls gas ow to the main burner,
a pressure regulator to maintain a constant outlet
pressure, integral gas pressure switch and a two
position on/o switch for electrical shuto.
Type of Gas: Natural gas
LP gas (use conversion kit)
Pressure Regulator Adjustment Range:
Nat. Gas – 2.5 to 5.0" W.C.
L.P. Gas – 7.0 to 12" W.C.
Ambient Temperature:
–40 to +175°F (–40 to 79°C)
www.white-rodgers.com
www.emersonclimate.com
PART NO. 37-7086C
Replaces 37-7086B
1305
PIPE SIZE/CAPACITIES
Pipe Size
Available (inches)
Capacity (BTU/hr) at 1” W.C.
pressure drop across valve
AGA Std. Nat. Gas
(1,000 btu/ cu. ft.)
LP. Gas
(2,500 btu/cu. ft.)
1/2" x 3/4" NPT 230,000 370,000
Pressure Rating: 14" W.C. (1/2 PSI) max.
Voltage: 24 VAC
Frequency: 60 Hz
Current: 0.6 A
CONTENTS
Description ................................................ 1
Specications ............................................. 1
Precautions ................................................ 3
Installation.................................................. 4
Lighting Instructions................................... 7
French Language ....................................... 9
Spanish Language ........................................17

2
INLET BOSS
UP OR DOWN
UPRIGHT
LEFT OR RIGHT
Upright, 90° from upright or vertical
NOTE: Control shown may not be identical
to replacement control.
Figure 1. Mounting positions
SPECIFICATIONS
1/4” X 3/16”
TERMINAL
ADAPTER
PILOT ADJUSTING
COVER SCREW
.58
4.53
4.00
INLET 1/2"-14 N.P.T.
THDS. WITH SCREEN
INLET
1/8"-27 N.P.T.
PRESSURE TAP
4.00 R
SWING RADIUS BARBED HOSE FITTING
MUST BE REINSTALLED
IF REGULATOR
IS READJUSTED
PRESSURE ADJUSTING
SCREW IS BENEATH
THE BARBED
HOSE FITTING
OUTLET
PRESSURE TAP
1/8”-27 N.P.T.
PILOT GAS OUTLET
CONNECTION
FOR 1/4” O.D. TUBE
OUTLET 3/4”-14 N.P.T.
THDS. WITH SCREEN
.88
1.44
2.87
1.25
5.09
3.89
REF.
.89 1.08
.88
Figure 2. Gas Valve, Outlet Side
Parts and Accessories:
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.
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.

3
CAUTION
!
1. Do not short out terminals on gas valve or primary control to test. Short or incorrect wiring
can cause equipment damage, property damage and/or personal injury.
2. This control is not intended for use in locations where it may come in direct contact with
water. Suitable protection must be provided to shield the control from exposure to water
(dripping, spraying, rain, etc.).
WARNING
!
Before beginning any modication, be sure ALL electrical disconnects are in the OFF position.
TAG THE DISCONNECT SWITCHES WITH A SUITABLE WARNING LABEL. Electrical shock can
cause personal injury or death.
PRECAUTIONS
WARNING
!
If you do not follow these instructions exactly, a fire or
explosion may result causing property damage, personal
injury or loss of life.
1. Failure to turn o electric or main gas supply to heating system could cause personal injury
and/or property damage by shock, gas suocation, re, and/or explosion.
2. Do not use this control on circuits exceeding specied voltage. Higher voltage will damage
the control and may cause shock or re 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 natu-
ral gas. Personal injury and/or property damage, gas suocation, re, and/or explosion
may result.
DO NOT BEGIN INSTALLATION UNTILYOU READTHE FOLLOWING
PRECAUTIONS.

4
MAIN PIPING CONNECTIONS
NOTE
Refer to warnings and cautions on page 3 before
attempting installation. All piping must comply
with local codes, ordinances, and/or national fuel
gas codes.
1. Shut o power to the unit and install Lock-
Out tag on all disconnects and breakers.
2. Turn o main gas supply line valve.
3. Mark all wires going to the old valve with the
terminal description that they are attached
to.
4. If replacing an existing valve, disconnect all
plumbing and electrical connections from the
old control.
5. The control may be installed in any orienta-
tion except upside down (see gure 1). The
arrow on the valve indicates the direction of
gas ow through the control.
6. 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.
INSTALLATION
Tubing Gas
Supply
Drop
Horizontal
Riser Gas Valve
3in.
minimum
Gas Valve
Riser
Piped Gas
Supply
3in.
minimum
Piped Gas
Supply
Horizontal
Drop
Gas Valve
3in.
minimum
NOTE: ALWAYS INCLUDE A
DRIP LEG IN PIPING
NOTE: A MANUAL SHUTOFF VALVE
MUST BE INSTALLED WITHIN
6 FEET OF THE EQUIPMENT
All piping must comply with local codes, ordinances,
and/or national fuel gas codes.
NOTE
Figure 3. Typical Gas Valve Piping
7. Apply pipe joint compound (pipe dope) that
is approved for all gases, only to the male
threads of the pipe joints. DO NOT apply
compound to the rst two threads (see gure
3for typical piping connections).
8. Install gas valve by holding inlet boss with ad-
justable wrench. Do not tighten excessively,
as this may damage the valve (Torque: 375
in-lb maximum). Do not cross-thread during
installation as this may damage the valve.
9. If the original gas valve has a barbed hose
tting, install pressure tube on barbed hose
tting of the replacement valve. Ensure that
the pressure tube will not kink.
10. Do not remove barbed hose tting from
replacement valve even if the original valve
does not have it.
11. Some applications will require modication of
the pilot tube.
12. See SYSTEM WIRING when making electrical
connections. Connect wires per Fig. 4Diagram
and Fig. 5Chart.
13. After installation is complete, check the
operation of the unit and, with main burners
ring, check all joints for leaks using a leak
detection solution. Retighten all joints where
bubbles appear. DO NOT USE OPEN FLAME
TO CHECK FOR LEAKS

5
36E93-301
36E93-302
36E93-303
36E93-304
OldTerminals
Description Term and Size
36C94-303
36C94-302
NewTerminals
5Pilot (Redundant) Coil 1/4" Male Spade 3
1Main Coil 1/4" Male Spade 1
4Pressure Switch 1/4" Male Spade with 1/4"
x 3/16" adapter installed 4
2
3Common 1/4" Male Spade 2
PILOT
(REDUNDA
NT)
C
MAIN
PRESSURE
SWITCH
ON/OFF
SWITCH
2
1
4
3
FLAME
SWITCH
36C
ELECTRICAL SCHEMATIC
36C94-303
VALVE WIRING
Figure 4. Valve Wiring
Figure 5. Terminal Connection Old/New
12
34
PILOT ADJ.
5
1
4
3
2
36E93
Terminal Panel
36C94
Terminal Panel
SYSTEM WIRING
REFERTOAND FOLLOWTHE APPLIANCE MANUFACTURER'SWIRING DIAGRAM. REFER
TO FIG. 4FOR TERMINAL IDENTIFICATION.
INSTALLATION
NOTE
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.

6
Figure 6. Gas Valve, Top
Figure 7. Gas Valve, Side
Pilot Gas Connection
Install tting into pilot gas outlet (see Fig. 2),turning
until nger-tight. Insert clean, deburred tubing all
the way through the tting. While holding the tubing
securely, slowly tighten tting until you feel a slight
"give." Tighten the tting an additional 1-1/2 turns.
Conversion from Natural to L.P. Gas. Refer to
conversion kit installation instructions.
Outlet Pressure Adjustment
This control is shipped from the factory with the
regulator set to 3.5" W.C. (Natural gas full ow). 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.
Inlet/Outlet pressure test ports are 1/8" NPT (see
Fig. 2). For testing pressure, the outlet pressure
tap plug will need to be removed and a separate
hose tting installed. After testing pressure with a
manometer remove hose tting and re-install plug.
Tighten to 60 in-lb max.
INSTALLATION
1. Attach the manometer to the outlet pressure
tap of the valve.
2. Energize system to ignite main burner.
3. Remove barbed hose tting.
4. To DECREASE outlet pressure, turn the
adjusting screw (beneath the barbed hose
tting) counterclockwise.
To INCREASE outlet pressure, turn the
adjusting screw clockwise.
5. Replace the barbed hose tting. Cycle the
valve two or three times to verify regulator
setting.
Pilot Gas Adjustment
Thiscontrolwasfactorypresetandwillnotnormally
require additional adjustment of pilot ame.
If the pilot ame requires adjustment, remove the
pilot adjusting cover screw and gasket (see Fig. 6).
To REDUCE pilot ame, turn the pilot adjust screw
(beneaththecover screw)clockwise.To INCREASE
pilot ame, turn the pilot adjust screw counter-
clockwise. Replace gasket and tighten cover screw.
1/4” X 3/16”
TERMINAL
ADAPTER
PILOT ADJUSTIN
G
COVER SCRE
W
.58
4.53
4.00
INLET 1/2"-14 N.P.T.
THDS. WITH SCREEN
INLET
1/8"-27 N.P.T.
PRESSURE TAP
4.00 R
SWING RADIUS BARBED HOSE FITTING
MUST BE REINSTALLED
IF REGULATOR
IS READJUSTED
PRESSURE ADJUSTING
SCREW IS BENEATH
THE BARBED
HOSE FITTING
OUTLET
PRESSURE TAP
1/8”-27 N.P.T.
PILOT GAS OUTLET
CONNECTION
FOR 1/4” O.D. TUBE
OUTLET 3/4”-14 N.P.T.
THDS. WITH SCREEN
.88
1.44
2.87
1.25
5.09
3.89
REF.
.89
1.08
.88
1/4” X 3/16”
TERMINAL
ADAPTER
PILOT ADJUSTING
COVER SCREW
.58
4.53
4.00
INLET 1/2"-14 N.P.T.
THDS. WITH SCREEN
INLET
1/8"-27 N.P.T.
PRESSURE TAP
4.00 R
SWING RADIUS BARBED HOSE FITTING
MUST BE REINSTALLED
IF REGULATOR
IS READJUSTED
PRESSURE ADJUSTING
SCREW IS BENEATH
THE BARBED
HOSE FITTING
OUTLET
PRESSURE TAP
1/8”-27 N.P.T.
PILOT GAS OUTLET
CONNECTION
FOR 1/4” O.D. TUBE
OUTLET 3/4”-14 N.P.T.
THDS. WITH SCREEN
.88
1.44
2.87
1.25
5.09
3.89
REF.
.89
1.08
.88

7
FOR YOUR SAFETY READ BEFORE OPERATING
A. This appliance is equipped with an intermittent ignition device which automatically lights the
appliance. Do not try to light the pilot by hand.
B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the
oor because some gas is heavier than air and will settle on the oor.
FORYOUR SAFETY
“WHAT TO DO IFYOU 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 your gas supplier from a neighbor’s phone. Follow the gas supplier’s
instructions.
• If you cannot reach your gas supplier, call the re department.
C. Do not use this appliance if any part has been under water. Immediately call a qualied service
technician to inspect the appliance and to replace any part of the control system and any gas
control which has been under water.
WARNING
!If you do not follow these instructions exactly, a fire or explosion
may result causing property damage, personal injury or loss of life.
LIGHTING INSTRUCTIONS
OPERATING INSTRUCTIONS
1. STOP! Read the safety information above on this page.
2. Set the thermostat to lowest setting.
3. Turn o all electric power to the appliance.
4. This appliance is equipped with an ignition device which automatically lights the burner. Do not
try to light the burner by hand.
5. Remove control access panel.
6. Push On/O switch to "OFF."
7. Wait ve (5) minutes to clear out any gas. If you then smell gas, STOP! Follow “B” in the safety
information above. If you don’t smell gas, go to the next step.
8. Push On/O switch to “ON.”
9. Replace control access panel.
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 O Gas To Appliance” and call
your service technician or gas supplier.
TO TURN OFF GAS TO APPLIANCE
1. Set the thermostat to lowest setting.
2. Turn o all electric power to the appliance if
service is to be performed.
3. Remove control access panel.
4. Push On/O switch to “OFF.”
5. Replace control access panel.

White-Rodgers is a business
of Emerson Electric Co.
The Emerson logo is a
trademark and service mark
of Emerson Electric Co.
www.white-rodgers.com
www.emersonclimate.com

36C94-303
Robinet de gaz polyvalent à ouverture retardée
INSTRUCTIONS D’INSTALLATION
LIRE ET RESPECTER SOIGNEUSEMENT TOUTES LES
INSTRUCTIONS AVANT D’INSTALLER OU D’UTILISER CE
THERMOSTAT AFIN DE PRÉVENIR LES BLESSURES ET LES
DOMMAGES À LA PROPRIÉTÉ.
DESCRIPTION
SPÉCIFICATIONS
Le robinet 36C94-303 est un remplacement direct
pour les robinets36C94-302, 36E93-301, 36E93-302,
36E93-303 et 36E93-304. Lerobinet de gaz polyvalent
36C94-303 est conçu pour les applicaons à système
d’allumage intermient. Le robinet est pourvu d’une
électrovanne redondante qui contrôle le débit de gaz
vers le pilote et les brûleurs principaux, d’une vanne
principale qui contrôle de débit de gaz vers le brûleur
principal, d’un régulateur de pression qui mainent la
pression de sore constante, d’un détendeur de gaz
intégré et d’un commutateur de marche/arrêt à deux
posions pour une coupure électrique.
Type de gaz : Gaz naturel
GPL (utilisez une trousse
de conversion)
Planche de réglage du régulateur de pression :
Gaz nat. – de 2,5 à 5,0 po WC
GPL – de 7,0 à 12 po WC
Température ambiante :
De -40 à +175 °F (-40 à 79 °C)
www.white-rodgers.com
www.emersonclimate.com
PIÈCE NO37-7086C
Remplace 37-7086B
1305
TAILLES/CAPACITÉS DES TUYAUX
Taille du tuyau
Disponible (pouces)
Capacité (BTU/h) à 1po WC
de chute de pression au robinet
AGA gaz naturel standard
(1000 BTU/pi3)GPL
(2500 BTU/pi3)
½ po x ¾ po NPT 230 000 370 000
Pression limite : 14 po WC (1/2 lb/po2) max.
Tension : 24 V c.a.
Fréquence : 60 Hz
Courant : 0,6 A
TABLE DES MATIÈRES
Anglais ................................................... 1
Description ................................................ 9
Spécications ............................................. 9
Précautions .............................................. 11
Installation................................................ 12
Instructions d’allumage............................. 15
Espagnol ......................................................17

10
BOSSAGE D’ENTRÉE
VERS LE HAUT
OU LE BAS
DEBOUT
GAUCHE OU DROITE
Debout, 90° de la position debout ou verticale
REMARQUE : La commande illustrée peut différer
de la commande de rechange.
Figure 1. Positions de montage
SPÉCIFICATIONS
ADAPTATEUR
DE BORNE
¼ po x 3/16 po
VIS DU COUVERCLE
DE RÉGLAGE DU PILOTE
0,58
4,53
4,00
ENTRÉE ½ po – 14 NPT
AVEC ÉCRAN
ENTRÉE
1
/ 8 po – 27 NPT
PRISE DE PRESSION
4,00 R
RAYON DE GIRATION LE RACCORD DE TUYAU
CANNELÉ DOIT ÊTRE
RÉINSTALLÉ SI LE
RÉGULATEUR EST
RÉAJUSTÉ
LA VIS DE RÉGLAGE
DE LA PRESSION
SE TROUVE SOUS
LE RACCORD
DE TUYAU CANNELÉ
PRISE DE PRESSION
DE SORTIE
1
/ 8 po – 27 NPT
RACCORD DE SORTIE
DE GAZ DU PILOTE
POUR TUYAU
DE ¼ po D.E.
SORTIE ¾ po – 14 NPT
AVEC ÉCRAN
,88
1,44
2,87
1,25
5,09
3,89
RÉF.
,89 1,08
,88
Figure 2. Robinet de gaz, côté sortie
Pièces et accessoires :
F92-0656 – Trousse de conversion du GPL au gaz naturel pour l’utilisation sur les robinets
mono-étage 36C, D, E, F, G, H, J. Planche de réglage de 2,5 po à 5,0 po WC.
F92-0659 – Trousse de conversion du gaz naturel au GPL pour l’utilisation sur les robinets
mono-étage 36C, D, E, F, G, H, J. Planche de réglage de 7,0 po à 12,0 po WC.