Page 3
ELECTRIC HEAT CAPACITIES
Input
5 kW
7.5 kW
10 kW
15 kW
20 kW
Input
Voltage
No of
Steps
kW
input
Btuh
Output
No of
Steps
kW
input
Btuh
Output
No of
Steps
kW
input
Btuh
Output
No of
Steps
kW
input
Btuh
Output
No of
Steps
kW
input
Btuh
Output
208
1
3.8
12,800
1
5.6
19,200
1
7.5
17,900
1
11.2
38,200
1
15.0
51,200
220
1
4.2
14,300
1
6.3
21,500
1
8.4
20,100
1
12.6
43,000
1
16.8
57,300
230
1
4.6
15,700
1
6.9
23,500
1
9.2
21,900
1
13.8
47,000
1
18.4
62,700
240
1
5.0
17,100
1
7.5
25,600
1
10.0
23,900
1
15.0
51,200
1
20.0
68,200
ELECTRICAL/ELECTRIC HEAT DATA
Model No. 15CHAXA−24 15CHAXA−30 15CHAXA−36 15CHAXA−42 15CHAXA−48 15CHAXA−60
Linevoltagedata − 60hz 1 phase
208/230V
208/230V
208/230V
208/230V
208/230V
208/230V
Compressor
Rated Load Amps
13.4
14.1
14.1
17.9
21.8
26.4
p
Locked Rotor Amps
58
73
77
112
117
134
Outdoor Fan
M t
Full Load Amps
1.1
1.1
1.1
1.7
1.7
1.7
Motor
Locked Rotor Amps
2.2
2.2
2.2
4
4
4
Indoor
Bl
M t
Rated Load Amps
1.5
1.5
1.5
2.7
2.7
2.7
Blower Motor
Locked Rotor Amps
3
3
4
5
5
5
1
Maximum
O
t
Unit only, no electric heat
30
30
30
40
50
60
Overcurrent
Protection
Electric
H
t &
5 kW
35
35
35
35
35
35
Protection
Heat &
Blower
7.5 kW
45
45
45
50
50
50
Blower
Motor
10 kW
60
60
60
60
60
60
Motor
Circuit
15 kW
Circuit 1
− − −
− − −
60
60
60
60
Circuit 2
− − −
− − −
30
30
30
30
20 kW
Circuit 1
− − −
− − −
− − −
60
60
60
Circuit 2
− − −
− − −
− − −
60
60
60
2
Minimum
Ci
it
Unit only, no electric heat
21
22
22
29
34
39
Circuit
Ampacity
Electric
H
t &
5 kW
31.3
31.3
31.3
33.0
33.0
33.0
Ampacity
Heat &
Blower
7.5 kW
44.3
44.3
44.3
46.1
46.1
46.1
Blower
Motor
10 kW
57.3
57.3
57.3
59.1
59.1
59.1
Motor
Circuit
15 kW
Circuit 1
− − −
− − −
57.3
59.1
59.1
59.1
Circuit 2
− − −
− − −
26.0
26.0
26.0
26.0
20 kW
Circuit 1
− − −
− − −
− − −
59.1
59.1
59.1
Circuit 2
− − −
− − −
− − −
52.1
52.1
52.1
NOTE − Circuit 1 Minimum Circuit Ampacity includes the Blower Motor Full Load Amps.
NOTE− Extremesofoperatingrangeareplusandminus10%oflinevoltage.
1 HACR type breaker or fuse.
2
RefertoNational or CanadianElectricalCodemanualtodeterminewire,fuseanddisconnectsizerequirements.