Part Number 550
SCHEMATIC WIRING DIAGRAM
-110-677/0299
| (NOTE 6) |
|
|
MANUAL RESET | MANUAL RESET | ||
PRESSURETROL | PROBE LWCO | ||
PRESSURETROL | FLOAT LWCO |
| |
BK | BK | BK | BK |
OPERATING |
|
|
|
IMPULSE
RELAY
R
R
MOMENTARY
SWITCH
R R
R
W
G
R
D
D
TH TR W
ROBERTSHAW GAS VALVE
W
BK
PILOT
SOLENOID
VALVE
BK | W | R |
UNIVERSAL SPARK
IGNITION CONTROL
MV
MV/PV
EQUIPMENT | CONTROL | ||
GROUND | |||
(NOTE 9) | |||
(NOTE 7) | |||
Y | Y | ||
| |||
Y
GR
R
R
PV
ALARM
ALARM
|
| BK |
| THERMOSTAT |
|
|
|
| OR EMCS |
| |
|
|
|
| G | |
|
| BK | BK | (NOTE 5) | |
|
|
| |||
|
|
|
| ||
SERVICE |
| Y |
| W |
|
SWITCH |
|
|
| ||
G | G |
|
|
| |
(BY OTHERS) |
|
|
|
| G |
|
|
| G |
| |
H |
|
|
|
| |
| C | R |
|
| |
| BK |
| BK | ||
|
| TRANSFORMER | |||
|
|
|
| ||
| 120/24 V.A.C. | G |
N |
| |
|
| |
| W |
|
|
| |
WIRE NUTS (2) | DPST |
|
RELAY |
| |
|
| |
| JUNCTION BOX | CABLE |
|
| |
|
| TO |
|
| DAMPER |
Y
R
G | R |
1 2 A 1
Y |
|
DAMPER | CONNECTOR |
R
TERMINAL
BLOCK
A2
NOTE 10
Y
24V
G
24V (GND)
SENSE
SPARK
W O
PILOT
(NOTE 8)
15
