036-21410-001-A-0502

ECONOMIZER / MOTORIZED DAMPER FIXED OUTDOOR INTAKE AIR AND POWER EXHAUST RAIN HOODS (See detail Y)

BLOWER

BLOWER MOTOR

BLOWER

COMPARTMENT

ACCESS

ACCESS

ACCESS

 

 

 

(Auxillary)

 

 

DOT PLUG

52-5/8

 

 

 

(For pressure

 

 

drop reading)

 

 

GAS OR

 

 

ELECTRIC

 

 

HEAT ACCESS

 

VENT AIR

 

 

OUTLET

 

 

HOODS

 

 

COMBUSTION

AIR INLET HOOD

(C) GAS

SUPPLY

ENTRY 7-1/8

136-1/4

21.00

9-3/4

6-3/8

5

180-19/32

COMPRESSOR ACCESS

 

(See detail X)

COIL

GUARD

KIT

CONDENSER

COILS

(A)CONTROL WIRING

92ENTRY

DISCONNECT

CONTROL BOX

46-5/8

ACCESS

5-7/8

 

35

 

35-1/4

 

 

RETURN

33

AIR

11-1/2

SWITCH

LOCATION

(B) POWER

All dimensions are in inches. They are

WIRING ENTRY

subject to change without notice.

 

BOTTOM SUPPLY

Certified dimensions will be provided

upon request.

AND RETURN

 

AIR OPENINGS

 

(See Note)

2-3/4

UNIT BASE RAILS

Shown separately to illustrate

(D)

Bottom Duct openings. Power

GAS SUPPLY

and Gas Piping Connection

ENTRY

location.

11-1/8

NOTE:

 

12-1/2

For curb mounted units, refer to the curb hanger

 

 

dimensions of the curb for proper size of the

 

46-5/8

supply and return air duct connections.

 

 

 

 

 

SUPPLY

3-3/4

AIR

21-1/2

 

(B) POWER WIRING

 

ENTRY

8-1/8

(A) CONTROL WIRING

 

ENTRY

9-1/4

 

9-3/4

 

FIGURE 3: UNIT DIMENSIONS DJ180, 210, 240 & 300 (FRONT VIEW)

TABLE 38: MINIMUM CLEARANCES

LOCATION

CLEARANCE

 

 

Front

36”

 

 

Back

24” (Less Economizer)

49” (With Economizer)

 

 

 

Left Side (Filter Access)

24” (Less Economizer)

36” (With Economizer)

 

 

 

Right Side (Cond. Coil)

36”

 

 

Below Unit1

0”

Above Unit2

72” With 36” Maximum

Horizontal Overhang (For

 

Condenser Air Discharge)

 

 

1.Units may be installed on combustible floors made from wood or class A, B, or C roof covering material.

2.Units must be installed outdoors. Overhanging structures or shrubs should not obstruct condenser air discharge outlet.

NOTE: A 1” clearance must be provided between any com- bustible material and the supply air ductwork for a distance of 3 feet from the unit.

NOTE: The products of combustion must not be allowed to accumulate within a confined space and recirculate.

TABLE 39: UTILITIES ENTRY

HOLE

OPENING SIZE (DIA.)

USED FOR

 

 

 

 

A

1-1/8” KO

Control Wiring

Front

 

 

 

3/4” NPS (Fem.)

 

Bottom

 

 

 

 

B

3-5/8” KO

Power Wiring

Front

 

 

3” NPS (Fem.)

Bottom

 

 

 

 

 

 

C

2-3/8” KO

Gas Piping (Front)1

D

1-11/16” Hole

Gas Piping (Bottom)1,2

1.One-inch Gas Piping MPT Required.

2.Opening in the bottom to the unit can be located by the side in the insulation.

NOTE: Locate unit so that the vent air outlet hood is at least:

Three (3) feet above any force air inlet located within 10 horizontal feet (excluding those integral to the unit).

Four (4) feet below, 4 horizontal feet from, or 1 foot above any door or gravity air inlet into the building.

Four (4) feet from electric and gas meters, regulators and relief equipment.

NOTE: All entry holes should be field sealed to prevent rain water entry into building.

44

Unitary Products Group

Page 44
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