York ZJ R-410A User Manual

Page 101

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251934-YTG-G-0708

Johnson Controls Unitary Products

101

ZJ/ZR/ZF Unit Dimensions Rain Hood

Note: ELEC/ELEC Models: Units and ductwork are approved for zero clearance to combustible material when

equipped with electric heaters.
GAS/ELEC Models: A 1" clearance must be provided between any combustible material and the supply air
ductwork for a distance of 3 feet from the unit.
The products of combustion must not be allowed to accumulate within a confined space and recirculate.
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, four horizontal feet from, or one foot above any door or gravity air inlet into the building.
• Four (4) feet from electric and gas meters, regulators and relief equipment.

ZJ/ZR/ZF180-300 Unit Clearances

Direction

Distance (in.)

Direction

Distance (in.)

Top

1

1. Units must be installed outdoors. Over hanging structure or shrubs should not obscure condenser air discharge

outlet.

72 With 36 Maximum

Horizontal Overhang (For

Condenser Air Discharge)

Right

36

Front

36

Bottom

2

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

0

Rear

24 (W/O Economizer)

Left

24 (W/O Economizer)

49 (W/Economizer)

36 (W/Economizer)

3

3. If economizer is factory installed, the unassembled rain hood must be removed from its ride along position in front of

the evaporator coil, or in the outdoor air compartment, prior to final installation.

LH View

92”

28-3/16”

36-5/8”

5”

16-1/8”

Rear View

Supply Air

Compartment

Power Exhaust

Rain Hood
(on Return

Air Compartment)

Economizer Motorized

Damper Rain Hood

(on Outdoor

Air Compartment)

Economizer/Motorized Damper

and Power Exhaust Rain Hood

Fixed

Outdoor Air

Intake Hood

(Located on

Return Air

Compartment)

1” Condensate
Drain (Must be

Trapped)

Detail “Y”

Unit with Rain Hoods

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