Technical Guide

251933-YTG-V-0913
Johnson Controls Unitary Products 111
ZF/ZR/XP036-072 Disconnect
3/4” X 1-1/4” WIDE GASKETING FOR CURB
FRAME AND ALL DUCT SUPPORT SURFACES
2“
UNIT BASE
WOOD NAILER
8“ MIN. ABOVE FINISHED ROOF
CURB FRAME
INSULATION
UNIT BASE RAILS
COUNTERFLASHING
CAN’T STRIP
INSULATION AND ROOFING MATERIAL
ROOF DECK AND SUPPORT STRUCTURE
14”
3.56”
3.75”
ZF/ZR/XP036-072 Roof Curb Cutaway
Disconnect Switch Location
and Motor Access Panel for
Unit with “Belt-Drive” Option
Control Box Access
A,B
Wiring Entry
(See Detail “B”)
Mounting Bracket for
Disconnect Switch
(Field Supplied)
Field-Supplied Disconnect
Switch Location
Blower Motor Access
Filter Access
Dot Plugs
ZF/ZR/XP036-072 Utilities Entry
Hole Opening Size (Dia.) Used For
A7/8” KO
1
1. Opening in the bottom to the unit can be located by the
slice in the insulation.
Control Wiring
2
2. Do not remove the 2” knockout ring.
Side
Bottom
B2” KO
1
Power Wiring
Side
Bottom
C 1-5/8” KO Gas Piping (Front)
D 1-1/2” KO Gas Piping (Bottom)
ZF/ZR/XP036-072 Minimum Clearances
Location Clearance
Front
24” (Cooling/Electric Heat)
32” (Gas Heat)
Rear
12” (Less Economizer)
36” (With Economizer or Fixed
Air/Motorized Damper)
Left Side (Filter Access)
24” (Less Economizer)
36” (With Economizer)
Right Side (Cond. Coil) 24”
Below Unit
1
1. Units may be installed on combustible floors made from
wood or class A, B, or C roof covering material.
0”
Above Unit
2
2. Units must be installed outdoors. Overhanging structures
or shrubs should not obstruct condenser air discharge
outlet.
72” (For
Condenser Air Discharge)