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THREE PHASE
HEAT PUMP WITH OR WITHOUT
ELECTRIC HEAT
208/230-3-60
Demand Defrost Fault Codes
Flashes
NO POWER TO CONTROL
LED OFF
COMPRESSOR OPERATION ACTIVE - COMPRESSOR CONTACTOR ENERGIZED
STEADY RED
SLOW RED
CONTROL NORMAL OPERATION - NO CALL FOR COMPRESSOR
RAPID RED
CONTROL NORMAL OPERATION - ASCD (ANTI SHORT CYCLE DELAY) ACTIVE
2 RED FLASHES
HIGH-PRESSURE SWITCH FAULT ( NOT IN LOCKOUT YET )
3 RED FLASHES
SYSTEM IN HIGH-PRESSURE SWITCH LOCKOUT ( LAST MODE OF OPERATION WAS NORMAL COMPRESSOR)
4 RED FLASHES
SYSTEM IN HIGH-PRESSURE SWITCH LOCKOUT ( LAST MODE OF OPERATION WAS DEFROST)
5 RED FLASHES
SYSTEM IN LOW-PRESSURE SWITCH LOCKOUT ( LAST MODE OF OPERATION WAS NORMAL COMPRESSOR)
6 RED FLASHES
LOW VOLTAGE (<19.2 VAC) PREVENTING FURTHER RELAY OUTPUTS FOR > 2 SECONDS
7 RED FLASHES
LOW VOLTAGE (< 16 VAC) STOPPED CURRENT RELAY OUTPUTS FOR > 2 SECONDS
LIQUID LINE SENSOR FAILURE ( OPEN OR SHORTED)
8 RED FLASHES
OUTDOOR AMBIENT SENSOR FAILURE ( OPEN OR SHORTED)
9 RED FLASHES
CONTROL FAILURE
10 RED FLASHES
NOTICE
THIS UNIT IS WIRED
FOR THREE-PHASE POWER.
DO NOT CONNECT TO
A SINGLE-PHASE SUPPLY.
WIRING DIAGRAM FOR
HEATER KIT:
6HK06501825
LS
HE6
FL
FL
HE3
HE2
FL
YEL
RLY 6
BLU
BLK
RLY 5
BLU
GND
BLK
RLY 4
YEL
BLU
L3
L3
BLU
BLU
BLU
YEL
L2
L2
YEL
YEL
YEL
BLK
BLK
L1
L1
BLK
BLK
1. ALL FIELD WIRING TO BE ACCOMPLISHED FOLLOWING CITY, LOCAL AND/OR
NATIONAL CODES IN EFFECT AT THE TIME OF INSTALLATION OF THE UNIT.
2. CAUTION : LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING
CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS
OPERATION. IF ANY OF THE WIRING, AS SUPPLIED WITH THE UNIT, MUST
BE REMOVED, IT MUST BE REPLACED WITH TYPE 105 C. 600 VOLT
WIRE OR EQUIVALENT CLEARLY RENUMBERED FOR IDENTIFICATION.
VERIFY PROPER OPERATION AFTER SERVICING.
3. FACTORY WIRED FOR 230 VOLT THREE-PHASE SUPPLY POWER. FOR 208 VOLT,
MOVE BLACK WIRES FROM THE 230 TO THE 208 VOLT TAP ON THE TRANSFORMER.
4. MOTORS ARE INHERENTLY PROTECTED.
FIGURE 12: Ladder Wiring Diagram
Johnson Controls Ducted Systems
LADDER WIRING DIAGRAM
Fault Condition
LINE VOLTAGE
FIELD INSTALLED POWER
LOW VOLTAGE
FIELD INSTALLED CONTROL
LS
BLU
BLU
THERMOSTAT
VOLTAGE
R
W1/E
O
FL
HE5
C
FL
HE4
G
Y1
HE1
FL
W2
BLU
RLY 3
BLK
BLU
RLY 2
YEL
RLY 1
BRN
6
6
WHT
5
5
BLU
4
4
PUR
3
3
RED/WHT
2
2
BLK
1
1
L1
L1
3A
FUSE
LOW
BOX
C
R O Y
DEFROST CONTROL
4
3
5
2
BLOWER
1
MOTOR
C
SEE NOTE 8
NOTES:
5. SEE UNIT NAMEPLATE FOR MAXIMUM FUSE AND/OR CIRCUIT BREAKER SIZE
AND MINIMUM CIRCUIT AMPACITY.
6. SELECT COOLING (YELLOW) BLOWER SPEED THAT WILL DELIVER
APPROXIMATELY 400 CFM/TON FOR COOLING AND HEAT PUMP OPERATION.
7. IF ELECTRIC HEATING IS INSTALLED, SELECT A HEATING (WHITE/GRAY)
BLOWER SPEED THAT DELIVERS SUFFICIENT AIRFLOW FOR THE AMOUNT
(KW) OF HEAT INSTALLED. SEE TABLE IN INSTALLATION INSTRUCTIONS.
8. BLOWER MOTOR SPEED CONNECTIONS SHOWN ARE TYPICAL,
BUT MAY VARY BY MODEL AND APPLICATION.
5151094-UIM-H-0220
CAUTION - OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT
OPTIONAL CRANKCASE HEATER WIRING
TEMPERATURE
CRANKCASE
SWITCH
HEATER
BLK
BLK
L3
YEL
BLK
L1
T1
COMPRES
L2
OD FAN
C
BLK/WHT 12
MOTOR
DEFROST
CONTROL
RELAY
CAPACITOR
BLOWER
BLK 5
L
N
MOTOR
G
208V
230V
COM
PRI
BLK 6
XFMR
24V SEC
75 VA
LOSS OF CHARGE
REVERSING
VALVE
SOLENOID
CONTACTOR
HI PRESS
COIL
SENSOR
WHT 17
WHT 17
W out
LPS
RV RVG C M
COIL AMBIENT
W
HPS
DEFROST SETTING
1
2
3
4
COND FAN
GND
L3
L2
T3
L3
BLK
BLU
R
RED 9
S
T2
L2
RED 7
PUR 2
PUR 1
COIL
AMBIENT
SENSOR
19
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