48
P/N 470880
Rev. K 5-31-06
LOW NOx COMMERCIAL 525 & 750 WIRING DIAGRAM
RED
WHT
BLU
THERMOSTAT
CIRCUIT BOARD
TRANSFORMER
SHIELD
SPST. EXTERNAL ON/OFF SWITCH
HIGH LIMIT
THERMAL SWITCHES
WATER PRESSURE
SWITCH
JUMPER REQUIRED IF NO REMOTE SWITCH
CONTROL RELAY
CLOSE ON CALL
FOR HEAT
POOL OFF SPA
THERMOSTAT SELECT SWITCH
TEMPERATURE
PROBE
RED
BLU
THERMAL FUSE
RED
RED
WHT
WHT
ORG
P4
P7
PI0
P11
J4
J7
JI0
J11
J5
J6
J8
J9
P8
P6
P5
P9
25D K .032 D.C TAB
J2
J3
GRN
F1
F2
W1
W2
6
1
1
1
1
2
2
2
2
3
3
3
4
4
5
L1-1
L1-2
L2-1
L2-2
1
1
1
1
WHT
ORG
24V
VLV
IGN MODULE
AUX.
CONTACTS
TPROBE
SPA
COM
POOL
GRN
EXTERNAL
BOND LUG
CHASSIS
TERMINATE SUPPLY SAFETY GROUND WIRE (GREEN) HERE
GROUND SCREW WITH PAINT CUTTING WASHER
SHEET METAL
INTERCONNECTING WIRING TO APPLIANCE MUST CONFORM TO THE NATIONAL ELECTRICAL
THERMAL FUSE WIRING MUST BE REPLACED WITH UL OR CSA (IF CANADA) APPROVED
UL OR CSA (IF CANADA) APPROVED WIRE, 18 GAUGE, 600V, 105 C TEMPERATURE RATING.
IF ORIGINAL FACTORY WIRING MUST BE REPLACED, INSTALLER MUST SUPPLY
CODE OR SUPERCEDING LOCAL (WIRING) CODES.
WIRE, 18 GAUGE, 600V, 125 C TEMPERATURE RATING.
LOW NOx MiniMax Commercial 525 & 750 WIRING DIAGRAM
PRESS
HLMT
TFUSE
1
2
3
4
5
TERMINAL 2
AIR PRESSURE
SWITCH
RED
GRAY
FAN
MOTOR
THERMOSTAT
LOCKOUT LIGHT
PRE-PURGE LIGHT
FULL TIME 24 VAC
PRESSURE SWITCH
LOCKUOT LIGHT/GROUN NO CONN.
VALVE
GROUND
RESET
REMOTE FLAME SENSOR
35-67H
S2
S1
L1
L2
F1
F2
BURNER
IGNITOR
HOT SURFACE
120 VAC
BROWN
BLUE
WHT
LOW PRESSURE
GAS SWITCH
5
4
2
3
1
GRN
BLK
WHT
GRN
TERMINAL 1
120 VAC
TRANSFORMER
POWER SOURCE
GAS VALVE
ORN
WHT
GRN
WHT
BLK
BLK
TERMINAL 1
TO #5
TERMINAL 1
TO #4
BLK
WHT/RED
WHT/BLK
RED
A-24
Low NOx (contd.)