Specifications

77
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
PTH and PTC-G, K & M Models
WARNING
LINE 1
E1
HEATE R 1
HEATE R 2
REV
VALVE
FA N
LOW
K1 K2 K3
E2
E3 E4 E5
E6
E7
E8 E9 E10
LINE 2
CO MPRESSO R
K4
K5 K6
E11 E12
ON / OFF
MASTER SWITCH
COM A CO M B
CP4
SW2
P10 P11
DS1
P13
IA T
BLACK
P2
P5
CR11
X1
X3
X2
X4
M2
M1
P1
P4P8P9
IDT
YELLOWGREEN
OCT
BLUE
IC T
RED
24VAC~TRANSFORMER
12VA CLASS 2 ONLY
DS2 MS1 MS2 EH IN LS FD1 FD2 TF- TF+ C R
AUXILIARY
GL W2 Y /W1 B GH
REMOTE THERMOSTATE
ORANG E
HIGH
FA N
TO UNIT MUST BE PROPERLY POLARIZED (FOR 265V) AND GROUNDED.
4
POWER CORD TO LINE 2.
NOTES:
5
6
2
3
7
IF SUPPLY VOLTAGE IS 265V USE THE 265V TAP ON TRANSFORMER.
115V TRANSFORMER NOT SHOWN.
8
NOTES:
1 WARNING: DISCONNECT POWER BEFORE SERVICING. WIRING
RIBBED WIRE MUST BE CONNECTED AS SHOWN
ON HEAT PUMP MODELS ONLY.
ON UNITS WITH FRONT DESK CONTROL SWITCH.
BK18 ON LINE 2 WITH FUSE SHOWN CONNECTED FOR 265V. FOR 230V & 115V, CONNECT
FOR REMOTE OPERATION, SEE CONFIGURATION CHART.
IF SUPPLY VOLTAGE IS 208V/230V USE THE 230V TAP ON TRANSFORMER.
FOR CONTINUOS FAN OPERATION SEE CONFIGURATION CHART.
230 265 CO M
TRANSF ORMER
LOA D
CONNECT
COOL UNIT
G, Y/W1
R TO:
G, W2
-----
2ND STAGE
G
CONTROL
HIGH VOLTAGE
COOL
1ST STAGE
LOW VOLTAGE
THERMOSTAT USED
HIGH VOLTAGE
HEAT
(FACTORY OR FIELD)
CURRENT: .1
OFF
W/ELECTRIC HEAT
(FACTORY)
CONDUCTORS ONLY
ON A STRAIGHT
WIRE LEGEND
CURRENT: .1
OFF
2ND STAGE
CHASSIS
G,B,Y/W1
REMOTE THERMOSTAT OPERATION
ANTICIPATOR
FUNCTION
*
COOLING UNIT
G, Y/W1
USE COPPER
ELECTRIC HEAT
G
FAN
ANTICIPATOR
FUNCTION
* FOR A HEAT PUMP
OR
COOL
G, B, Y/W1
-----
G, W2
GN1
R TO:
HEAT PUMP W/AUXILIARY
FAN
PANEL
CONNECT
1ST STAGE
(FACTORY OR FIELD)
HEAT
SOLENOID
COMP
R
MOTOR
SWITCH
BK18
YL10
WH15
BR14
ELECTRIC
GY22
C
REV
CAP
H
HEATER
4
1
DESK
2
F
19
WIRE
FRONT
RD17
FAN
RD13
BK16
S
OD
VALVE
C
GN
RIBBED
FAN/COMP
3
5
20
FUSE
BK37 BK37
GY21
RD33
7
VT12
BR34
BR34
6
G, W2
(FACTORY OR FIELD)
(FACTORY)
G, Y/W1
GN1
LOW VOLTAGE
WIRE LEGEND
HIGH VOLTAGE
-----
CONNECT
PANEL
G,B,Y/W1
-----
HIGH VOLTAGE
CHASSIS
R TO:
CONTROL
(FACTORY OR FIELD)
HEAT
SCHEMATICS