TYPICAL SCHEMATIC WIRING DIAGRAM
8
HEAT/COOL MODELS - HOT WATER
LEGEND
ATB
AUXILIARY TERMINAL BLOCK
COM
COMMON
CR
CONTROL RELAY
EV
ELECTRIC VALVE (COOLING)
EV1
ELECTRIC VALVE (HEATING)
FM
FAN MOTOR
GND
LUG GROUND
HVTB
HIGH VOLTAGE TERMINAL BLOCK
L/L1
LINE OR LINE 1
L2/N
LINE 2 OR NEUTRAL
_ _ _
FIELD WIRING
FACTORY WIRING
NOTES
1. POWER SUPPLY, 220/240V-1PH-50Hz.
2. USE COPPER CONDUCTOR WIRES ONLY.
3. IF EV1 IS FACTORY INSTALLED, PLEASE
READ BROKEN LINES AS CONTINUOUS LINES.
4. FM2 NOT REQUIRED FOR SINGLE MOTOR
AHU. IF FM2 IS FACTORY INSTALLED, PLEASE
READ BROKEN LINES AS CONTINUOUS LINES.
5. FREE END OF FAN MOTOR LEADS TO BE
CAPPED WITH CRIMPABLE WIRE NUT.
6. MOTOR THERMALLY PROTECTED..
7. FUSED DISCONNECT SWITCH OR CIRCUIT
BREAKER TO BE PROVIDED BY CONSUMER
WITH RATING AS RECOMMENDED BY MANU-
FACTURER.
LOW
LOW
VWL 10
VWL 08
COM
COM
HIGH
HIGH
MED
MED
50
50
(RED)
FACTORY WIRED MOTOR LEADS
LOW
LOW
LOW
MODEL
VWL 03
VWL 04
VWL 06
(BLK)
(WHT)
COM
COM
COM
HIGH
HIGH
HIGH
(BLU) (ORN)
(YEL)
MED
MED
MED
FREQUENCY
50
50
50
IN HZ
APPLICABLE
