5326602-XIM-B-1019
24
Johnson Controls Ducted Systems
Optional Electric Heat
The factory-installed heaters are wired for single point power
supply. Power supply need only be brought into the single point
terminal block.
These CSA approved heaters are located within the central
compartment of the unit with the heater elements extending in
to the supply air chamber.
Fuses are supplied, where required, by the factory. Some kW
sizes require fuses and others do not. refer to Tables 15 and 16
for minimum CFM limitations and to Table 13 for electrical data.
Table 15: Electric Heat Minimum Supply Air Imperial
Size
(Tons)
Model
Voltage
Minimum Supply Air (CFM)
Heater kW
18
24
36
54
120
(10)
ZF
380/415-3-50
3000
3000
3000
3500
150
(12.5)
ZF
380/415-3-50
3750
3750
3750
3750
Table 16: Electric Heat Minimum Supply Air Metric
Size
(KW)
Model
Voltage
Minimum Supply Air (C
3
S)
Heater kW
18
24
36
54
120
(35)
ZF
380/415-3-50
1.42
1.42
1.42
1.42
150
(44)
ZF
380/415-3-50
1.76
1.76
1.76
1.76
