Whirlpool ED5FHAXVB00 Instruction Manual download pdf (Page 4)

Install Evaporator Coil

IMPORTANT:

■ The evaporator coil must be installed in the discharge

(supply) air of a gas or oil furnace. Do not install an

evaporator coil in the return air, or excessive condensation

will occur within the furnace.

■ Install the evaporator coil level with the drain connection to

ensure proper drainage.

■ To prevent damage to the plastic drain pan, minimum spacing

is required between the drain pan and a furnace heat

exchanger. A minimum spacing of 2 in. is required for a gas

furnace. A minimum spacing of 4 in. is required for an oil-fired

furnace. See “Evaporator Coil Drain Pan Clearances.”

Evaporator Coil Drain Pan Clearances

■ If the plenum duct work is larger than the drain pan in any

direction, the gaps between the drain pan and the plenum

walls must be closed off to prevent bypass of air around the

sides of the drain pan. Use field fabricated sheet metal angles

wide enough to support the coil where the drain pan is

located and attach them to the inside of the plenum. The

drain pan will rest on the metal angles. If the connection

between the plenum and any duct occurs below the apex of

the coil, seal this seam with sealant.

Counterflow (Downflow) Models

■ Metal air seals must be placed on the inside of the

evaporator's drain pan to prevent water spray in all

counterflow model installations as shown. Air Seal Kit, Part

No. ACFAIRSEAL-1, is available. The kit contains 4 air seals,

enough to complete 2 counterflow installations.

Air Seal Installation (Counterflow Models Only)

Installing Air Seals During Evaporator Coil Installation

Install the air seals, hooking the top flange over the internal sides

of the drain opening as shown.

Side View of Drain Pan

NOTE: Not installing the air seals correctly may result in property

damage due to condensate water being drawn into the furnace.

1. Furnace heat exchanger

2. Plastic drain pan

Gas 2" Minimum

Oil-fired 4" Minimum

1. Air seals before installation

2. Air seals installed

1. Air seal

2. Drain pan

1 2 3 4 5 6 7 8

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Whirlpool ED5FHAXVB00 Instruction Manual Page 4

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