Honeywell S89C Manual page 9

DUAL VALVE
COMBINATION
GAS CONTROL
THERMOSTAT
-L1
(HOT)
A .
-L2
COMBUSTION
AIR BLOWER
MOTOR
A
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
A ALTERNATE LIMIT CONTROLLER LOCATION.
A CONTROLS IN 24V CIRCUIT MUST NOT BE IN
GROUND LEG TO TRANSFORMER.
FIG. 7—S89C,G,J AND S890C,G,J IN A TWO STAGE FAN-ASSISTED COMBUSTION HEATING SYSTEM.
.tA.t
THERMOSTAT
A
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
A OPTIONAL LIMIT CONTROLLER LOCATION.
A
CONTROLS IN 24V CIRCUIT MUST NOT BE IN
GORUND LEG TO TRANSFORMER.
FIG. 8— S89C,G,H AND S890C,G,H IN A FAN-ASSISTED COMBUSTION HEATING-CENTRAL COOLING SYSTEM.
A "
X
COMBUSTION
AIR BLOWER
RELAY
S89C,G.J/S890C,G,J HOT
SURFACE IGNITION CONTROL
4
О
о
VALVE . „
VALVEJGND) H£ j
24V L1
HSI
TH-W 1
= D
24VJGND) _ ^
= 1
GND (BURNER)
VENT д
0
DAMPER PLUG
A
О
о
. BURNER
A
GROUND
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.
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.
9
0
HOT
SURFACE
IGNITER­
SENSOR
LIMIT
CONTROLLER
-EEl
(НОТ)
-L2
M2194
M219S
68 0070—1
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