16
Electrical work
Electrical work
Electric safety regulations for the initial installation
Connecting (Power and Control Cable)
1. If there is serious safety problem
about the power supply, the
technicians should refuse to install
the air conditioner and explain
to the client until the problem is
solved.
2. Power voltage should meet the
requirements in table 2.1.
3. Over current protection and
circuit disconnect should meet
the requirements in table 2.1 and
the applicable local and national
electrical codes.
• The main power is supplied to the outdoor unit. The field supplied connecting
cable from the outdoor unit to indoor unit consists of four wires and provides
the power for the indoor unit as well as the communication signal and ground
between the outdoor and indoor unit.
T
wo wires are high voltage AC power,
one is low voltage DC signal and one is a ground wire.
• Consult local building codes, NEC (National Electrical Code) or CEC
(Canadian Electrical Code) for special requirements.
4. Ensure the air conditioner is
grounded well.
5. All wiring must comply with local
and national electrical codes and
be installed by qualified and skilled
electricians.
6. An individual branch circuit used
only for this air conditioner must be
available. See table 2.1.
Operating
Outdoor Fan
Compressor
Indoor Fan
Voltage
(Min/Max) RLA
LRA
FLA
Output
Watts
Volts
FLA
Output
Watts
208/230V-AC
208/230V-AC
0.24
20
16
22000
208/230-1-60 187/253
14.67
/
0.65
Electrical Data Table 2.1
Capacity
(BTU/h)
System
Voltage
Volts-Ph.-
Freq
MIN. Circuit
Ampacity
(MCA)
25
30
Max. Fuse/Circuit
Breaker
Amps(MOP)
60
12000
208/230-1-60 187/253
6.60
/
0.14
18000
208/230-1-60 187/253
12.08
/
0.49
208/230V-AC
0.36
20
9
15
30
9000
208/230-1-60 187/253
6.60
/
0.14
208/230V-AC
0.36
20
9
15
30
90
0.38
92
20
208/230V-AC
28000
208/230-1-60 187/253
13.50
40
0.45
30
120
0.40
40
20
/
26000
208/230-1-60 187/253
15.82
/
0.59
35
90
/
/
/
208/230V-AC
33600
208/230-1-60 187/253
17.50
67
0.73
40
170
0.47
60
24
/
34400
208/230-1-60 187/253
15.60
/
0.82
35
170
/
21
21
115-1-60
9000
115V-AC
103/127
8.63
0.55
40
20
30
0.32
40
12
115-1-60
12000
115V-AC
103/127
12.5
0.55
40
25
30
0.32
40
17