York 120 User Manual
035-17311-002-A-0803
Unitary Products Group
21
OPTIONS/ACCESSORIES
ELECTRIC HEAT ACCESSORIES
Electric heaters are available as field installed accessories.
Refer to electric heat instructions for installation. These heat-
ers mount in the heat compartment with the heating elements
extending into the supply air chamber. All electric heaters are
fused and intended for use with single point power supply.
Refer to electric heat instructions for installation. These heat-
ers mount in the heat compartment with the heating elements
extending into the supply air chamber. All electric heaters are
fused and intended for use with single point power supply.
ELECTRIC HEAT OPTION
The factory-installed heaters are wired for single point power
supply. Power supply need only be brought into the single
point terminal block.
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
into the supply air chamber.
compartment of the unit with the heater elements extending
into the supply air chamber.
Fuses are supplied, where required, by the factory. Some kW
sizes require fuses and other do not. Refer to Table 15 for
minimum CFM limitations and to Tables 8 through 13 for elec-
trical data.
sizes require fuses and other do not. Refer to Table 15 for
minimum CFM limitations and to Tables 8 through 13 for elec-
trical data.
MOTORIZED OUTDOOR DAMPER
The Motorized Outdoor Damper can be a factory installed
option or a field installed accessory. If factory installed, refer
to the instructions included with the outdoor air hood to com-
plete the assembly. Field installed Motorized Outdoor
Damper accessories include complete instructions for instal-
lation.
option or a field installed accessory. If factory installed, refer
to the instructions included with the outdoor air hood to com-
plete the assembly. Field installed Motorized Outdoor
Damper accessories include complete instructions for instal-
lation.
TABLE 14: PHYSICAL DATA
Component
Models
090
120
150
Evaporator
Blower
Blower, Centrifugal (Dia. X Wd. in.)
15 x 15
15 x 15
15 x 15
Motor, Standard (HP)
1-1/2
2
3
Motor, Optional (HP)
2
3
5
Evaporator
Coil
DM
Rows
2
2
3
Fins per Inch
15
15
15
Height (in.)
32
40
40
Face Area (ft.
2
each)
10.6
13.2
13.2
Condenser
Fan
(2 per Unit)
DM
Propeller Dia. (in., each)
24
24
24
Motor (HP, each)
1/3
3/4
3/4
CFM, Nominal (each)
3400
4400
4400
Condenser
Coil
(2 per unit)
DM
Rows (each)
1
1
2
Fins per Inch
20
20
20
Height (in. each)
28
44
44
Face Area (ft.
2
each)
9.2
14.5
14.5
Refrigerant
Charge
DM
System 1 (lb./oz.)
4/12
6/12
10/12
System 2 (lb./oz.)
4/6
6/12
9/8
Compressors
DM
Quantity
2
2
2
Type
Recip
Recip
Recip
Air Filters
Size (Wd. x Ht. x Thickness in.)
25x20x2
25x20x2
25x20x2
Number Per Unit
4
4
4
TABLE 15: MINIMUM SUPPLY AIR CFM
Heater
Unit Model Size, Nominal Tons
kW
Voltage
7.5
10
12.5
Minimum Supply Air CFM
9
380
2250
N/A
N/A
18
2250
3000
3750
24
2250
3000
3750
36
2250
3000
3750
54
N/A
3000
3750