Wiring Diagram - Suf 400, 500 - State Water Heaters SUF60 Service Handbook

WIRING DIAGRAM – SUF 400, 500
1
13
8
11
1 BLACK
2 WHITE
1
2
3
LOW GAS
PRESSURE SWITCH
2
15
4
14
5
10
6
7
RED
1 RED (ECO)
2 BLACK
3 BLACK
4 RED (ECO)
1 BLACK
2 BLACK
1 GREEN
2 BLUE
1
2
VARIABLE
FREQUENCY
5
DRIVE
6
RED
GREEN
WHITE
GREEN
1 BLACK120 VAC HOT
3 WHITE 120 VAC NEUTRAL
4 YEL 24 VAC
4 YEL 24 VAC
TRANSFORMER
INSIDE CCB
50VA
ENCLOSURE
Servicing should only be performed by a Qualified Service Technician
24 VAC
GAS VALVE INTAKE AIR
ENABLE/DISABLE CIRCUIT
JUMPER WIRE BETWEEN PINS
8 AND 11 ON J6 PLUG
HOT SURFACE IGNITER
FLAME SENSOR
UPPER TEMPERATURE PROBE
LOWER TEMPERATURE PROBE
WHITE/BLACK
AI1
WHITE/GREEN
0V
WHITE
+24V
WHITE/YELLOW
L l1
VFD
GREEN
WHITE
BLACK
GREEN
BLACK
RED
WHITE
GROUND STRIP
BURNER GROUND
(BURNER BOLT)
BLOCKED
BLOCKED
EXHAUST
ANODE 1
ANODE 2
NOTE: COMBUSTION BLOWER MOTORS
ON 400,000 & 500,000 Btu/hr MODELS ARE
THREE PHASE (3Ø) MOTORS.
BLACK, WHITE AND RED WIRES MUST BE
WIRED AS SHOWN OR THE MOTOR WILL
BLACK
TURN BACKWARDS. THIS MAY CAUSE THE
WHITE
CONTROL SYSTEM TO LOCK OUT ON
"BLOWER PROVER OPEN" FAULT.
RED
COMBUSTION
BLOWER
GREEN
WHITE
ON/OFF
BLACK
SWITCH
BLOWER
PROVER
GROUND
N
120 VAC NEUTRAL
L
120 VAC HOT
45