79
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 GROUNDE D.
4 ON UNITS WITH FRO NT DESK CONTROL SWITCH.
1ST STAGE
ANTICIPATOR
CURRENT: .1
2ND STAGE
ANTICIPATOR
CURRENT: .1
NOTES:
1 WARNING: DISCONNECT POWER BEFORE SERVICING. WIRING
GN1
CONTROL
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
PO WER CORD TO LINE 2.
7 FOR REMOTE OPERATION, SEE CONFIGARATION CHART.
REMOTE THERMOSTAT OPERATION
USE COPPER
CONDUCTORS ONLY
GN1
CONTROL
WIRE LEGEND
HIGH VOLTAGE
(FACTORY)
HIGH VOLTAGE
(FACTORY OR FIELD)
LOW VOLTAGE
(FACTORY OR FIELD)
3
GY22
GY21
2
6
5
2
3
0
4
SWITCH
FRONT
RD33
(PV)
RD17
(PV)
(PV)
RD14
BLOCK
3
6
9
8
5
2
7
4
1
(PV)
6
(PV)
(PV)
WH7
(PV)
(PV)
(PV)
(PV)
(PV)
WH8
1
2
3
SWITCH
VT12
5
MOTOR
FAN
1
2
0
8
2
4
0
PO WER
FAN
MUFFIN
20
ELECTRIC
FAN/COMP
OD
COMP
WH15
19
VAL
VE
RE
V
2
GN
WIR E
H
C
RD13
C
R
G,B,Y/W1
FUNCTION
OFF
COOL
FUNCTION
COOL
OFF
* FOR A HEAT PUMP
THERMOSTAT USED
ON A STRAIGHT
COOL UNIT
8
BR34
BR34
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.
115V TRANSFORMER NOT SHOWN.
LINE 1
E1
K1
K2
K3
E2
E3
E4
E5
E6
E7
E8
E9
LINE 2
COMPRESSOR
K4
K5
K6
MASTER SWITCH
COM A
COM B
DS1
BLACK
P2
P5
X1
X3
X2
X4
M2
M1
P1
P4
P8
P9
YE
L
L
O
W
G
R
EEN
BL
U
E
DS2
IN
LS
C R
GH
OR
A
N
GE
CONNECT
R TO:
CONNECT
R TO:
2ND STAGE
HEAT
1ST STAGE
HEAT
HEAT PUMP W/AUXILIARY
ELECTRIC HEAT
COOLING UNIT
W/ELECTRIC HEAT
FAN
HIGH
FAN
LOW
REV
VALVE
PTH and PTC-G, K & M Models
(Power Vent)
WA
R
N
IN
G
