York WR 180 warranty Minimum Clearances, Unit Dimensions WR180, 240 & 300 Rainhood

262292-YTG-C-0707

TABLE 35: MINIMUM CLEARANCES

LOCATION	CLEARANCE
Front	36”
Rear	24” (Less Economizer)
	49” (With Economizer)
Left Side (Filter Access)	24” (Less Economizer)
	36” (With Economizer)3
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.

3.If economizer is factory installed, the unassembled rain hood must be removed from its ride along position in front of evapora- tor coil, or in the outdoor air compartment, prior to final installa- tion.

		ECONOMIZER
		MOTORIZED
SUPPLY AIR	POWER EXHAUST	DAMPER
	RAIN HOOD	RAIN HOOD
COMPARTMENT
	(on Return Air Compartment)	(on Outdoor Air Compartment)

36-5/8”

5”

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.

ECONOMIZER / MOTORIZED DAMPER

AND POWER EXHAUST RAIN HOODS

FIXED OUTDOOR AIR INTAKE HOOD (located on Return Air Compartment)

1“ CONDENSATE

16-1/8” DRAIN

(Must be trapped)

28-3/16”92”

REAR VIEW LH VIEW

DETAIL “Y”

UNIT WITH RAIN HOODS

FIGURE 14:UNIT DIMENSIONS WR180, 240 & 300 (RAINHOOD)

48 Unitary Products Group