32808001101 9
Specifications subject to change without notice.
ELECTRICAL DATA
Table 6—Electrical Data
Cooling Only
Outdoor Unit Size 12K 12K 18K 24K
Volts-PH-Hz (115V) (208/230V) (208/230V) (208/230V)
Max – Min*
Oper. Voltage
127-104 253-187 253-187 253-187
Power Supply
MCA 7 7 11 16
MOCP 15 15 15 25
Compressor RLA 9.5 4.5 7 11
Outdoor Fan Motor
FLA 0.6 0.4 0.5 0.6
Rated HP 0.054 0.054 0.065 0.068
Output 40 40 48 45
Heat Pump
Outdoor Unit Size 12K 9K 12K 18K 24K
Volts-PH-Hz (115V) (208/230V) (208/230V) (208/230V) (208/230V)
Max – Min*
Oper. Voltage
127-104 253-187 253-187 253-187 253-187
Power Supply
MCA 13 8 10 15 18
MOCP 20 15 15 20 25
Compressor RLA 10.5 5.5 6.8 11.5 12
Outdoor Fan Motor
FLA 0.6 0.4 0.4 0.5 0.6
Rated HP 0.054 0.054 0.054 0.054 0.068
Output 40 40 40 40 50
*Permissible limits of the voltage range at which the unit will operate satisfactorily.
LEGEND
FLA - Full Load Amps
MCA - Minimum Circuit Amps
MOCP - Maximum Over-Current Protection
RLA - Rated Load Amps
WIRING
All wires must be sized per NEC (National Electrical Code) or CEC
(Canadian Electrical Code) and local codes. Use Electrical Data table
MCA (minimum circuit amps) and MOCP (maximum over current
protection) to correctly size the wires and the disconnect fuse or
breakers respectively.
Recommended Connection Method for Power and Communication
Wiring:
The main power is supplied to the outdoor unit. The field supplied 14/3
stranded wire with ground with a 600 volt insulation rating,
power/communication wiring from the outdoor unit to indoor unit
consists of four (4) wires and provides the power for the indoor unit.
Two wires are line voltage AC power, one is communication wiring (S)
and the other is a ground wire. Wiring between indoor and outdoor unit
is polarity sensitive. The use of BX wire is NOT recommended.
If installed in a high Electromagnetic field (EMF) area and
communication issues exists, a 14/2 stranded shielded wire can be used
to replace L2/N and (S) between outdoor unit and indoor unit landing
the shield onto ground in the outdoor unit only.
EQUIPMENT DAMAGE HAZARD
Failure to follow this caution may result in equipment
damage or improper operation.
Wires should be sized based on NEC and local codes.
CAUTION
!
CAUTION
!
EQUIPMENT DAMAGE HAZARD
Failure to follow this caution may result in equipment damage
or improper operation.
S Be sure to comply with local codes while running wire from
the indoor unit to the outdoor unit.
S Every wire must be connected firmly. Loose wiring may
cause the terminal to overheat or result in unit malfunction.
A fire hazard may also exist. Ensure all wiring is tightly
connected.
S No wire should touch the refrigerant tubing, compressor or
any moving parts.
S Disconnecting means must be provided and shall be located
within sight and readily accessible from the air conditioner.
S Connecting cable with conduit shall be routed through the
hole in the conduit panel.
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