Optional Electric Heat; Electric Heat Minimum Supply Air; Gas Heat Application Data - York International ZK Series Installation Manual

5121817-TIM-A-0515

Optional Electric Heat

The factory or 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 9: Electric Heat Minimum Supply Air
Size
(Tons)
208/230-3-60
T03
(3.0)
208/230-3-60
T04
(4.0)
208/230-3-60
T05
(5.0)
Optional Gas Heat
These gas-fired heaters have aluminized-steel or optional
stainless steel, tubular heat exchangers with spark ignition with
proven pilot.
Table 10: Gas Heat Application Data
Input
Gas Heat
Capacity
Option
(MBH)
(N,S)05 50
(N,S)07 75
(N,S)11 100
(N,S)13 125
(D,T)07 75
(D,T)13 115
(D,T)13 125
NOTE: Gas Heaters are shipped available for natural gas, but can be converted to L.P. with Kit Model No. 1NP0440 or 1NP0485 (2 Stage).
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.
26
Voltage
5
900
460-3-60 -
600-3-60 -
1200
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 TON
100 4/5 TON
61 3/4/5 TON
92 3 TON
101 4/5 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
1200 1200 1200
1200 1200 1200
- 1200 1200
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 45/25/25
116 45/35/30
70 35/25/20/15
107 55
116 45/35/30
20 30
900 -
900 -
900 -
1200 -
1200 -
1200 -
1500 1500
1500 1500
1500 1500
2
Max.
45
70
75/55/55
75/75/75
70/70/55/45
90
75/75/75
Johnson Controls Unitary Products