819682-UIM-A-0212
Johnson Controls Unitary Products
11
\
2. Heaters are 3 Phase.
TABLE 13:
Electrical Data - 208/230-3-60
Models
Heat Kit -
Three Phase
Max.
Static
Min.
Speed
Tap
Total Heat
1
KW Staging
KW
MBH
W1 Only
W2 Only
W1 + W2
208V
230V
208V
230V
208V
230V
208V
230V
208V
230V
MX12B
4HK06501025
0.5
Med/#3
7.2
9.6
24.6
32.8
7.2
9.6
7.2
9.6
7.2
9.6
4HK065N1525
0.5
Med/#3
10.8
14.4
36.9
49.1
10.8
14.4
10.8
14.4
10.8
14.4
MX12D
4HK06501025
0.5
Med/#3
7.2
9.6
24.6
32.8
7.2
9.6
7.2
9.6
7.2
9.6
4HK06501525
0.5
Med/#3
10.8
14.4
36.9
49.1
10.8
14.4
10.8
14.4
10.8
14.4
4HK06501825
0.5
Med/#3
12.9
17.2
44.7
58.7
12.9
17.2
12.9
17.2
12.9
17.2
MX16C
4HK06501025
0.5
Lo/#5
7.2
9.6
24.6
32.8
7.2
9.6
7.2
9.6
7.2
9.6
4HK06501525
0.5
Lo/#5
10.8
14.4
36.9
49.1
10.8
14.4
10.8
14.4
10.8
14.4
4HK06501825
0.5
Lo/#5
12.9
17.2
44.7
58.7
12.9
17.2
12.9
17.2
12.9
17.2
MX20D
4HK06501025
0.5
Lo/#5
7.2
9.6
24.6
32.8
7.2
9.6
7.2
9.6
7.2
9.6
4HK06501525
0.5
Lo/#5
10.8
14.4
36.9
49.1
10.8
14.4
10.8
14.4
10.8
14.4
4HK16502525
0.5
Lo/#5
18
24
61.4
81.4
9
12
18
24
18
24
1. See conversion Table 10.
TABLE 14:
Electrical Data - (For
Single Source
Power Supply) - Copper Wire - 208/230-3-60
Models
Heat Kit -
Three Phase
Heater
Amps
240V
Field Wiring
Min. Circuit Ampacity
Max. O.C.P.
1
Amps/Type
75
°
C Wire Size - AWG
208V
230V
208V
230V
208V
230V
MX12B
4HK06501025
23.1
28.5
32.4
30
35
10
8
4HK065N1525
34.7
41
46.9
45
50
8
8
MX12D
4HK06501025
23.1
28.5
32.4
30
35
10
8
4HK06501525
34.7
41.1
46.9
45
50
8
8
4HK06501825
41.4
48.4
55.3
50
60
8
6
MX16C
4HK06501025
23.1
30.1
33.3
35
35
10
8
4HK06501525
34.7
42.6
47.8
45
50
8
8
4HK06501825
41.4
49.9
56.2
60
60
8
6
MX20D
4HK06501025
23.1
32.6
36.3
40
40
10
8
4HK06501525
34.7
45.4
50.8
50
60
8
8
4HK06501825
34.7
70.1
79.7
80
90
8
6
1. O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.
TABLE 15:
Electrical Data - (For
Multi-Source
Power Supply) - Copper Wire - 208/230-3-60
Models
Heater
Model
Minimum Circuit Ampacity
Max. O.C.P.
1
Amps/Type
75°C Wire Size - AWG
Circuit
1st
2nd
3rd
1st
2nd
3rd
1st
2nd
3rd
208/230
208/230
208/230
208/230
208/230
208/230
208/230
208/230
208/230
MX20D
4HK16502525
45.1/50.8
22.8/27.6
–/–
45/50
20/20
–/–
8/6
10/10
–/–
1. O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.