Electric heat accessories, Electric heat option, Motorized outdoor damper – York PREDATOR 150 User Manual

Page 21: Options/accessories, 14 physical data, 15 minimum supply air cfm

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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.

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.

These CSA approved heaters are located within the central
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.

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.

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

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