Whirlpool W4GH6 Minimum Clearances, Line Set Isolation, Installing Horizontal Runs, C To

Minimum Clearances

A B	C To	D
	Power
48" Overhead	Supply	To
Clearance		Indoor
(Discharge		Unit
Air)
12" Clearance		To
		Indoor
(Inlet Air)
		Coil

E

36" Clearance		30" Service	12" Clearance Between
(Inlet Air)	Access Clearance		Unit and Building
A. Weatherproof disconnect switch			D. House thermostat
B. NEC class 1 wiring			E. Seal openings
C. NEC class 2 wiring

Line Set Isolation

The following illustrations demonstrate procedures which ensure proper refrigerant line set isolation.

Installing Horizontal Runs

This shows how to install line sets on horizontal runs.

NOTE: To hang line set from joist or rafter, use either metal strapping material or anchored heavy nylon wire ties.

	C
8'
B	D
	8'
E	G
A
F
A. Metal strapping material	E. Metal sleeve
(around vapor line only)	F. Tape or anchored heavy nylon
B. Floor joist or roof rafter	wire tie
C. Anchored heavy nylon wire tie	G. Strap the vapor line to the floor
(around vapor line only)	joist or roof rafter at 8" intervals,
D. Tape or wire tie	then strap the liquid line to the
	vapor line.

Transition from Horizontal to Vertical

This shows how to make a transition from horizontal to vertical.

Style 1		Style 2
A		G
	B		B
	C		C
F		F
	D		D
E		E
A. Style 1—anchored	C. Liquid line	E. Metal sleeve
heavy nylon wire tie	D. Vapor line—	F. Wall stud
B. Strap liquid line to	wrapped in	G. Style 2—automotive
vapor line.	armaflex	muffler-type hanger

Installing Vertical Runs (new construction shown)

This shows how to install line sets on vertical runs.

NOTE: Similar installation practices should be used if line set is to be installed on exterior of outside wall.

IMPORTANT: Refrigerant lines must not contact structure.

		B
	C	A	C
		H	D
		D	E
			F
	G
			G
			H
	C		E
A			I
			E
		J D	G
L	K		H
A. Outside wall		D. Liquid line	I. Wood block
B. Refrigerant lines		E. Anchored heavy nylon	between studs
must not contact		wire tie	J. Caulk
wall.		F. Inside wall	K. Fiberglass
C. Vapor line wrapped		G. Metal strapping material	insulation
in armaflex		H. Metal sleeve	L. PVC pipe

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