Service manual

Residential Tranquility
®
27 Split (TTS) - 60Hz HFC-410A
Rev.: 8 May, 2014C
26
Geothermal Heating and Cooling
Electrical - Line Voltage
 WARNING! 
 CAUTION! 
Electrical - Line Voltage
All fi eld installed wiring, including electrical ground, must
comply with the National Electrical Code as well as all
applicable local codes. Refer to the unit electrical data for fuse
sizes. Consult wiring diagram for fi eld connections that must
be made by the installing (or electrical) contractor.
All fi nal electrical connections must be made with a length of
fl exible conduit to minimize vibration and sound transmission
to the building.
General Line Voltage Wiring
Be sure the available power is the same voltage and phase
shown on the unit serial plate. Line and low voltage wiring
must be done in accordance with local codes or the National
Electric Code, whichever is applicable.
Power Connection
Line voltage connection is made by connecting the incoming
line voltage wires to the “L” side of the contactor as shown
in Figure 18. Consult Table 9 for correct fuse size.
208-230 Volt Operation
Verify transformer tap with air handler wiring diagram to
insure that the transformer tap is set to the correct voltage,
208V or 230V.
WARNING! To avoid possible injury or death due to
electrical shock, open the power supply disconnect switch
and secure it in an open position during installation.
CAUTION! Use only copper conductors for fi eld installed
electrical wiring. Unit terminals are not designed to accept
other types of conductors.
Model
Compressor
HWG Pump
FLA
External
Pump FLA
Total Unit
FLA
Min Circuit
Amps
Max Fuse/
HACR
RLA LRA Qty
026 11.7 58.3 1 0.5 4.0 16.2 19.1 30
038 15.3 83.0 1 0.5 4.0 19.8 23.6 35
049 21.2 104.0 1 0.5 4.0 25.7 31.0 50
064 27.1 152.9 1 0.5 4.0 31.6 38.3 60
Rated Voltage of 208/230/60/1 Min/Max Voltage of 197/252
HACR circuit breaker in USA only All fuses Class RK-5
Figure 18: Indoor Compressor Section Line Voltage Field Wiring
Unit Power Supply
(see electrical table for wire
and breaker size)
208-230 Volt Operation
Verify transformer tap with air handler wiring diagram to
insure that the transformer tap is set to the correct voltage,
208V or 230V.
Electrical - HWG Wiring
Table 9: TTS Series Electrical Data