Service Manual

TECHNICAL SUPPORT MANUAL Split System Heat Pump: (H,C,T)CH(6)
428 04 170100 5
2
3
5
PL5
4
208/230 1∅
POWER
SUPPLY
EQUIP GND
L1
L2
RED/WHT
BRN/YEL
BLU
VIO
COMP
CCH*
DEFROST
TIME
FORCED
DEFROST
2
3
C
QUIET
SHIFT
1
PL1
PL8
CB
VIO
BLK BLK
YEL
BLU
PWM2
PWM1
MODEL PLUG
LED
LED
COMM STATUS
120
60 30
30
60
TIME
(MIN)
HI
LO
CBRN/YEL
BLU
RED/WHT
L2VS
90
4
C
1
2
3
4
5
OCT
OAT
OCT
OAT
PL6
BRN
BRN
BLK
BLK
1
3
2
ON
OFF
(DEFAULT)
C
BRN
BLU
YEL
TRAN
24V
230V
CS
208V
COM
REDBRN
BRN
BLK
BLK
BLK
BLK
YEL
BLK
BLK
YEL
BLU
YEL
YEL
YEL
11
21
23 23
C
C
BLU
YEL
*SC
BRN
*SR
1
2
5
BLK
CAP
BLK
OFM
BRN
H
C
F
S
C
R
CONT
YEL
BLU
RED
SEC--1
BRN
SEC--2
CAP
CB
*CCH
COMM
COMP
CONT
CAPACITOR
CIRCUIT BOARD
CRANKCASE HEATER
SYSTEM COMMUNICATION
COMPRESSOR
CONTACTOR
LEGEND
FACTORY POWER WIRING
FACTORY CONTROL WIRING
FIELD CONTROL WIRING
FIELD POWER WIRING
COMPONENT CONNECTION
FIELD SPLICE
JUNCTION
CS
DTS
HPS
LPS
*LS
OAT
OCT
OFM
RVS
SC
SEV
SR
STATUS
TRAN
COMP HIGH CAP SOLENOID
DISCHARGE TEMP SWITCH
HIGH PRESSURE SWITCH
LOW PRESSURE SWITCH
LIQUID SOLENOID
THERMISTOR (OUTDOOR AIR)
THERMISTOR COIL
OUTDOOR FAN MOTOR
REVERSING VALVE SOLENOID
START CAPACITOR
SOLENOID EXPANSION VALVE
START RELAY
SYSTEM FUNCTION LIGHT
TRANSFORMER
NOTES:
1. Compressor furnished with inherent thermal protection.
2. To be wired in accordance with National Electric Code (N.E.C.) and local codes.
3. Outdoor unit control requires a minimum of 27 va, 24 vac control power.
4. Use copper conductors only. Use conductors suitable for at least 70ºC (167ºF).
5. If indoor section has a transformer with a grounded secondary, connect the grounded side to “C”.
6. If any of the original wire, as supplied, must be replaced, use the same or equivalent wire.
7. Check all electrical connections inside control box for tightness.
8. Do not attempt to operate unit until service valves have been opened (Back Seated).
9. MUST USE THERMOSTAT OR OBSERVER WALL CONTROL LISTED IN PRE- SALE LITERATURE ONLY.
10. In case of non--communicating indoor system disconnect factory provided wires from Dx+ and Dx-- terminals.
Use factory provided wires to connect to W1, Y1, Y2, and O as required by installation instructions. Cap or
remove unused factory provided wires. If additional grounding is needed use “C” terminal.
11. For communicating control only.
LPS
HPS
DTS
1
2
PL3
1
2
PL2
YEL/PNK
YEL/PNK
RED
RED
RED
BLU/PNK
BLU/PNK
* MAY BE FIELD INSTALLED
*LS
RVS
ORG
ORG
UTIL
CY1
Y2
W1 O
OPTIONAL
NON--COMMUNICATING
CONTROL
SEE NOTE #10
UTIL
CY1
Y2
W1 O
TO INDOOR UNIT
Dx+Dx--
C
NO
USE
PL7
GRN
YEL
REV
AS PROVIDED BY
MANUFACTURER
SEE NOTE #11
L1
ODF
CCH
338749--101 REV. A
Model Sizes: 24, 36, 48, 60
CONNECTION DIAGRAM