Specifications

66
2 RIBBED WIRE MUST BE CONNECTED AS SHOWN
NOTES:
1 WARNING: DISCONNECT POWER BEFORE SERVICING. WIRING
TO UNIT MUST BE PROPERLY POLARIZED (FOR 265V) AND GROUNDED.
WIR I NG DI AGRA M
20045801 REV 0
GN1
CONTROL
PANEL
CHASSIS
3 ON HEAT PUMP MODELS ONLY .
4 ON UNITS WITH REMOTE WALL MOUNTED TEMPERATURE SENSOR.
5 ON UNITS WITH FRONT DESK CONTROL SWITCH.
1ST STAGE
ANTICIPATOR
CURRENT: .1
2ND STAGE
ANTICIPATOR
CURRENT: .1
6 BK18 ON LINE 2 WITH FUSE SHOWN CONNECTED FOR 265V. FOR 230V, CONNECT
POWER CORD TO LINE 2.
7 REMOVE FOR 265V APPLICATIONS.
8 REMOVE FOR NON-HEAT PUMP APPLICATIONS.
9 FOR REMOTE OPERATION, SET SWITCH TO REMOTE POSITION
PK30
PK31
1
3
5
A
HYDRONIC
2
4
6
B
HEAT PUMP W/AUXILIARY
ELECTRIC HEAT
CONNECT
R TO:
-----
G, Y/W1
G,B,Y/W1
G, W2
FUNCTION
OFF
COOL
1ST STAGE
HEAT
2ND STAGE
HEAT
COOLING UNIT
W/ELECTRIC HEAT
CONNECT
R TO:
G, Y/W1
G, W2
OR
G,B,Y/W1
FUNCTION
COOL
OFF
-----
REMOTE THERMOSTAT OPERATION
HEAT
G
FAN
G
FAN
*
* FOR A HEAT PUMP
THERMOSTAT USED
ON A STRAIGHT
COOL UNIT
2
4
0
2
0
8
C
O
M
L
O
A
D
LINE
TRANSF ORMER
10
BK23 YL12 BU20
2 1 3 4 6 5BK25
BU22
2 1 3 4 6 5
N.O.YL13 N.C.BU21
BK24
BK RD
FIELD SUPPLIED
MOTORIZED VALVE
BU RD20
BK48 BK49
GY21 GY22
IF SUPPLY VOLTAGE IS 208V MOVE 240V LEAD TO 208V TAP ON TRANSFORMER.
265V TRANSFORMER NOT SHOWN.
10
FREEZE STAT
R
C
S
RD13
YL10
FCH
RIBBED
WIRE
GN
2
REV
VALVE
SOLENOID
BK19
3
BR14
WH15
3
COMP
OD
FAN/COMP
CAP
REMOTE
TEMPERATURE
SENSOR
FRONT
DESK
SWITCH
4
BK20
5
MUFFIN
FAN
POWER
VENT
2
4
0
2
0
8
C
O
M
L
O
A
D
LINE
1
SWITCHOVER
FLOODBACK
PROTECTOR
FAN
MOTOR
POWER
VENT
MOTOR
LINE 1
INDOOR
SWITCH
OD TUBE
OUTDOOR
SWITCH
REMOTE/STANDARD
THERMOSTAT
CONTROL
ON OFF
MASTER
SWITCH
7
24 VAC
ID TUBE
24 VAC
CRGW2
Y/
W1
BRSFDRC
HEATER HEATER LINE 2 COMP FAN HIGH FAN LOW R-VALVE
8
BK30
BK30
BK40
BK40
BK18
6
VT12
ON/OFF
SWITCH
3
2
1
TRANSFORMER
WH8
(PV)
BK12
(PV)
BU10
(PV)
BU9
(PV)
BK11
(PV)
WH7
(PV)
BU4
(PV)
10
BK17
(PV)
1
4
7
A
POWER VENT
RELAY
2
5
89
6
3
B
TERMINAL
BLOCK
RD14
(PV)
BU15
(PV)
BK16 RD17
BU2
(PV)
9
RD33
11
11 ON UNITS WITH POWERVENT ONLY.
12
CONNECT YL13 IF USING N.O. VALVE
CONNECT BU21 IF USING N.C. VALVE.
12
Hydronic
(Condensate Pump with Power Vent or Power Door)
SCHEMATICS
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
TO AVOID POSSIBLE ELECTRICAL SHOCK, PERSONAL INJURY,
OR DEATH, DISCONNECT THE POWER BEFORE SERVICING.
WARNING
!