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DUAL VALVE
COMBINATION
GAS CONTROL
THERMOSTAT
OR CONTROLLER
A
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
MAKE SURE L1 AND L2 ARE NOT REVERSED;
THIS WOULD PREVENT FLAME DETECTION.
A
ALTERNATE LIMIT CONTROLLER LOCATION.
A
CONTROLS IN 24V CIRCUIT MUST NOT BE IN
GROUND LEG TO TRANSFORMER.
FIG. 3—S89D.H AND S890D.H IN AN ATMOSPHERIC BURNER HEATING SYSTEM.
D80DVENT
DAMPER
WIRING
HARNESS
Q
A
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND PROTECTION AS REQUIRED.
A
ALTERNATE LIMIT CONTROLLER LOCATION.
A
CONTROLS IN 24V CIRCUIT MUST NOT BE IN
GROUND LEG TO TRANSFORMER.
FIG. A — S89C, G, J AND S890C.G, J IN AN ATMOSPHERIC BURNER HEATING SYSTEM WITH THE D80D VENT
DAMPER.
S89D,H/S890D,H HOT SURFACE
IGNITION CONTROL
О
VALVE
VALVE (GND)
H^ j
24V
'
TH-W
1
HSI
( =
24VJG_ND)_;
SEN
GND (BURNER)
VENT
д
□
OS.
DAMPER PLUG
A
о
A
FOR MODULE WITH TH-W TERMINAL AND VENT DAMPER PLUG,
JUMPER TH-W AND 24V TERMINALS. DO NOT REMOVE VENT DAMPER PLUG.
A
FACTORY TEST TERMINAL. DO NOT USE.
A
LEADWIRE MODEL IS COLOR-CODED AS SHOWN.
DUAL VALVE
SB9C.G,J/S890C,G,J HOT SURFACE
COMBINATION
IGNITION CONTROL
GAS CONTROL
MV
О
VALVE
MV
VALVEJGND)
--
1
24V
24VJGND) _ ^
п
VENT
U
DAMPER PLUG
A
о
THERMOSTAT
OR CONTROLLER
A
A
A
1
A
О
. .
WHITE
HOT
BLUE
~ Ш Г
SURFACE
L1
BLUE
IGNITER
0
Q354
FLAME SENSOR
О
A
LIMIT
CONTROLLER
" p H ^ - L 1
i
A
A
О
BLUE
BLACK.,.
'
= i
A
о
REMOVE PLUG ONLY IF USING VENT DAMPER. FUSE BLOWS ON
STARTUP WHEN PLUG IS REMOVED; THEN MODULE WILL
OPERATE ONLY WHEN VENT DAMPER IS CONNECTED.
FACTORY TEST TERMINAL. DO NOT USE.
LEADWIRE MODEL IS COLOR-CODED AS SHOWN.
7
M \
A
(HOT)
12
M2200
HOT
SURFACE
IGNITER
SENSOR
LIMIT
CONTROLLER
A
M2191
68
0070—1
-
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