York 251934-YTG-J-0910 manual Front View

251934-YTG-J-0910

ZF Unit Dimensions Front View

BLOWER ACCESS

(Location Of

BLOWER MOTOR ACCESS Optional VFD)

(Location Of Optional

VFD Bypass)

BLOWER COMPARTMENT ACCESS (Auxiliary)

DOT PLUG (For pressure Drop Reading)

ELECTRIC

GAS HEAT

ACCESS

FIELD-SUPPLIED DISCONNECT SWITCH LOCATION

ECONOMIZER / MOTORIZED DAMPER, FIXED OUTDOOR INTAKE AIR AND POWER EXHAUST RAIN HOODS

(See detail "Y")

COMPRESSOR ACCESS (See detail "X")

OPTIONAL COIL

GUARD KIT

48-5/8" (15 Ton)

52-5/8" (17.5 thru 25 Ton)

VENT AIR

OUTLET

HOODS

COMBUSTION

AIR INLET

HOOD

(C)

GAS SUPPLY ENTRY

				Ton)
			(15 .
				(17	5	Ton)
	-1/4"
					25
125		-1/4"
			thru
136

6-3/8"

21"

5"

7-1/8"

9-3/4"

5-7/8"

46-5/8"

CONDENSER

COILS

92"

(A)

CONTROL WIRING ENTRY

CONTROL BOX

ACCESS 35"

11-1/2"

BOTTOM SUPPLY

AND RETURN

(B)

POWER WIRING ENTRY

FRONT

VIEW

		(15		Ton)
				.5
-1/4"			(17 Ton)
				25
24	-1/4"
	35	thru		33"

AIR OPENINGS

(See Note)

RETURN

AIR

SUPPLY

AIR

3-3/4"

RETURN AIR

SUPPLY AIR

OUTDOOR AIR

UNIT BASE WITH RAILS
Shown separately to illustrate	(D)
Bottom Duct openings, Power	GAS SUPPLY
and Gas Piping Connection	ENTRY
locations

NOTE:

For curb mounted units, refer to the curb hanger dimensions of the curb for the proper size of the supply and return air duct connections.

2-3/4" 21-1/2"
11-1/8"
		(B)
		POWER WIRING
		ENTRY
		(A)
	8-1/8"	CONTROL WIRING
		ENTRY
46-5/8"
9-1/4"
12-1/2"	9-3/4"

OUTDOOR AIR (Economizer)

Utilities Entry

Hole	Opening Size	Used For
	Diameter
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 NPT Required.

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

insulation.

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

Johnson Controls Unitary Products 99