Specifications

Manual 2100-533E
Page 11 of 12
WIRING DIAGRAM FOR 920-0138 QWSERV WITH INTELLIGENT DEFROST
21 3 456 789 10 11 12
2
1
3
208
120 V
480
240
COM
2
4
3
1
Damper
Motor
T1T2
T6
T1
T6
T2
Motor Plug
Black (High Speed)
Blue (Med. Speed)
Red (Low Speed)
Capacitor
Red (Low Speed)
Blue (Med. Speed) Black (High Speed)
Block
Black
Black
White
Power Plug
1
2 3 4
White
Brown Black
Brown
Capacitor
Green
Transformer
Term.
Relay
Black
Black
Red
Red
Black/White
Orange
Green
Yellow
Blk/Red
Capacitor
Exhaust
Blue
Yellow
Control
Motor Plug
Cassette
for Wiring Energy Recovery to Unit
32
1
4
2
120 V
Green
Motor
Capacitor
Capacitor
4
Yellow
Note: See Control Wiring Section of Installation Inst. for Wiring Energy Recovery to Unit
3 1
Note: See Control Wiring Section of Installation Inst.
Blower
2
Cassette
Motor
Exhaust
Relay
Cassette
Speed Plug
3 4
Control
Motor Plug
Transformer
Power Plug
Intake
Motor
Com
Motor Plug
1
Exhaust
Motor
Cassette
208V
Ground
Blower
Exhaust
SERVICING.
DANGER
Blower
To Unit High Voltage 240/208-60-1
*ELECTRICAL SHOCK HAZARD
USE COPPER CONDUCTORS
480V
Orange
White
Black
Black/White
Red
Brown/White
*DISCONNECT POWER BEFORE
75° C.
Red/White
Brown/White
Black/White
3
ONLY SUITABLE FOR AT LEAST
WARNING
Timer
27
T-Stat
32
Timer
!
WIRE FOR 208V OPERATION
30
White
!
T-Stat
30
1
DISCONNECT ORANGE WIRE FROM
TERMINAL BLOCK AND CONNECT RED
Black
25
Intake
Motor Plug
28
28 28 28
25 25 25 25
28
23
Control Plug
27
23 23
26
2
21
Orange
4567891011
Motor Plug
12
Exhaust
Plug
Intake
Blower
Speed Plug
1
Motor Plug
Exhaust
4 3
2
Motor
Intake
Intake
Exhaust
Speed
Speed Plug
Intake
Motor
Gray
3
2
1
26
4
Motor Plug
Motor Plug
2
26
4
Intake
Capacitor
Red/White
26
Black/White
Cassette
Motor
Black/White
1
26
2
1
Intake
Damper
Orange
30
3
Orange
Brown/White
Control Relay
3
2
1
31
Black/White
4114-102 A
27
Component Capacitor
Blower Motor 4/370
Cassette Motor 3/250