Field Installed Electric Heat; Electric Heat Minimum Supply Air; Gas Heat Application Data - Johnson Controls ZE Series Installation Manual

6021974-UIM-A-1120

Field Installed Electric Heat

The field installed heaters are wired for single point power
supply. Power supply need only be brought into the single point
terminal block, and thermostat wiring to the low voltage terminal
strip located in the upper portion of the unit control box.
Table 10: Electric Heat Minimum Supply Air
Size
(Tons)
208/230-1-60
208/230-3-60
036
(3.0)
208/230-1-60
048 208/230-3-60
(4.0)
208/230-1-60
208/230-3-60
060
(5.0)
208/230-3-60
072
(6.0)
Optional Gas Heat
These gas-fired heaters have aluminized-steel or optional
stainless steel, tubular heat exchangers with spark ignition with
proven pilot.
Table 11: Gas Heat Application Data
Input
Gas Heat
Capacity
Option
(MBH)
H05 50
H07 75
H10 100
H12 125
NOTE: Gas Heaters are shipped available for natural gas, but can be converted to L.P. with Kit Model No. 1NP0440. All furnaces meet the
latest California seasonal efficiency requirements.
1. Based on 1075 Btu/Ft.
2. The air flow must be adjusted to obtain a temperature rise within the range shown.
32
Voltage
5
900
900
460-3-60 -
600-3-60 -
1200
1200
460-3-60 -
600-3-60 -
1500
1500
460-3-60 -
600-3-60 -
1500
460-3-60 -
600-3-60 -
Output
Available
Capacity
On Models
(MBH)
40 3 TON
60 4 TON
80 3/5/6 TON
100 4/5/6 TON
3
.
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 Table 9 for
minimum CFM limitations and to Table 7 for electrical data.
Minimum Supply Air (CFM)
Heater kW
7 10 15
900 900 900
900 900 900
900 900 900
- 900 900
1200 1200 1200
1200 1200 1200
1200 1200 1200
- 1200 1200
1500 1500 1500
1500 1500 1500
1500 1500 1500
- 1500 1500
1500 1500 1500
1500 1500 1500
- 1500 1500
All gas heaters are shipped from the factory equipped for
natural gas use. See Gas Heat Application Data Table.
For natural gas heating installations in locations requiring low
Nox emissions, Accessory model 1LN0406 must be used.
Temperature Rise °F At Full Input
1
Gas Rate
3
(Ft /hr) Min.
47 15
70 25
93 45/25
116 45/35
20 30
900 -
900 -
900 -
900 -
1200 -
1200 -
1200 -
1200 -
1500 1500
1500 1500
1500 1500
1500 1500
1500 1500
1500 1500
1500 1500
2
Max.
45
70
75/55
75/75
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