Honeywell S8910U Installation Instructions And Safety Information page 10

S8910U UNIVERSAL HOT SURFACE IGNITION MODULE
TERMINAL CROSS
REFERENCE
S8910U HS780
6
GND(BURNER) TR (GND CLIP)
24V (GND) GND
VALVE (GND) —
24V TH
VALVE VALVE
L2 L2
L1 L1
HSI IGN
HSI IGN
SENSE RS
MV
COMBINATION
GAS CONTROL
MV
1 1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
MAKE SURE L1 AND L2 ARE NOT REVERSED.
2
ALTERNATE LIMIT CONTROLLER LOCATION.
3
SENSE ROD WILL BE PRESENT IF REMOTE SENSE HS780 MODEL. SEE TABLE 3.
4 WHEN HS780 IS A REMOTE SENSE MODEL, REMOVE JUMPER QUICK-CONNECT FROM S8910U. CUT WIRE AT CIRCUIT
BOARD AND DISCARD. CONNECT FLAME ROD LEAD WIRE TO SENSE. SEE TABLE 2.
CUT 1/4 IN. QUICK-CONNECT OFF WIRE AND REPLACE WITH 3/16 IN. QUICK-CONNECT (SUPPLIED).
5
6 USE GREEN GROUND ADAPTER (SUPPLIED) TO CONNECT S8910U GND (BURNER) TO APPLIANCE CHASSIS.
69-0845—2
S8910U HOT SURFACE IGNITER CONTROL
6
BURNER
GROUND
THERMOSTAT OR
CONTROLLER
Fig. 4. Typical hookup when S8910U replaces Robertshaw HS780.
5
LIMIT
CONTROLLER
2
10
FLAME
SENSOR
3
4 4 4 4
HOT
SURFACE
IGNITER
L1
(HOT)
L2
1
M8529B