Specifications

69
SCHEMATICS
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
2 RIBBED WIRE MUST BE CONNECTED AS SHOWN.
NOTES:
TO UNIT MUST BE PROPERLY POLARIZED (FOR 265V) AND GROUNDED.
3 ON HEAT PUMP MODELS ONLY.
4 ON UNITS WITH FRONT DESK CONTROL SWITCH.
1ST STAGE
ANTICIPATOR
CURRENT: .1
2ND STAGE
ANTICIPATOR
CURRENT: .1
NOTES:
1 WARNING: DISCONNECT POWER BEFORE SERVICING. WIRING
GN1
CONTROL
PANEL
CHASSIS
WIRE LEGEND
HIGH VOLTAGE
(FACTORY)
HIGH VOLTAGE
(FACTORY OR FIELD)
LOW VOLTAGE
(FACTORY OR FIELD)
1ST STAGE
ANTICIPATOR
5 BK18 ON LINE 2 WITH FUSE SHOWN CONNECTED FOR 265V. FOR 230V AND 115V, CONNECT
POWER CORD TO LINE 2.
7 FOR REMOTE OPERATION, SEE CONFIGARATION CHART.
REMOTE THERMOSTAT OPERATION
USE COPPER
CONDUCTORS ONLY
GN1
CONTROL
PANEL
CHASSIS
WIRE LEGEND
HIGH VOLTAGE
(FACTORY)
HIGH VOLTAGE
(FACTORY OR FIELD)
LOW VOLTAGE
(FACTORY OR FIELD)
3
BK37
BK37
GY22
GY21
TRANSFORMER
LINE
L
O
A
D
C
O
M
2
6
5
2
3
0
4
SWITCH
DESK
FRONT
RD33
(PV)
BU2
RD17BK16
(PV)
BU15
(PV)
RD14
BLOC K
TERMINAL
B
3
6
98
5
2
REL AY
VENT
POWER
A
7
4
1
(PV)
BK17
6
(PV)
BU4
(PV)
WH7
(PV)
BK11
(PV)
BU9
(PV)
BU10
(PV)
BK12
(PV)
WH8
TRANSFORMER
1
2
3
SWITCH
ON/OFF
VT12
5
BK18
MOTOR
VEN T
POWER
MOTOR
FAN
1
LINE
L
O
A
D
C
O
M
2
0
8
2
4
0
VENT
POWER
FAN
MUFFIN
20
HEATER
ELECTRIC
CAP
FAN/COMP
OD
COMP
WH15
BR14
19
SOLENOID
VALVE
REV
2
GN
WIRE
RIBBED
HC F
YL10
RD13
S
C
R
-----
G, Y/W1
G,B,Y/W1
G, W2
FUNCTION
OFF
COOL
G, Y/W1
FUNCTION
COOL
OFF
-----
HEAT
G**FAN
G**FAN
* FOR A HEAT PUMP
THERMOSTAT USED
ON A STRAIGHT
COOL UNIT
** GL- low speed
GH- high speed
8
BR34
BR34
7
6 IF SUPPLY VOLTAGE IS 208V MOVE 240V LEAD TO 208V TAP ON TRANSFORMER.
265V AND 115V TRANSFORMER NOT SHOWN.
9 FOR CONTINUOUS FAN OPERATION SEE CONFIGURATION CHART.
8 IF SUPPLY VOLTAGE IS 208V/230V USE THE 230V TAP ON TRANSFORMER.
IF SUPPLY VOLTAGE IS 265V USE THE 265V TAP ON TRANSFORMER.
115V TRANSFORMER NOT SHOWN.
LINE 1
E1
HEATER 1 HEAT ER 2
K1 K2
K3
E2 E3 E4 E5 E6 E7 E8 E9 E10
LINE 2
COMPRESSOR
K4 K5 K6
E11 E12
ON / OFF
MASTER SWITCH
COM A COM B
CP4
SW2
P10 P11
DS1
P13
IAT
BLACK
P2
P5
CR11
X1
X3
X2
X4
M2
M1
P1
P4P8P9
IDT
YELLOWGREEN
OCT
BLUE
ICT
RED
DS2 MS1 MS2 EH IN LS FD1 FD2 TF- TF+ C R
AUXI LIARY
GL W2 Y/ W1 B GH
REMOTE THERMOSTAT
ORANG E
CONNECT
R TO:
CONNECT
R TO:
G, W2
OR
G,B,Y/W1*
2ND STAGE
HEAT
1ST STAGE
HEAT
HEAT PUMP W/AUXILIARY
ELECTRIC HEAT
COOLING UNIT
W/ELECTRIC HEAT
24VAC~ TRANSF ORMER
12VA C LAS S 2 ONLY
FAN
HIGH
FAN
LOW
REV
VALV E
PTH and PTC-G, K Models
(Power Vent)
TO AVOID POSSIBLE ELECTRICAL SHOCK, PERSONAL INJURY,
OR DEATH, DISCONNECT THE POWER BEFORE SERVICING.
WARNING
!