York AFFINITY R-410A DNX Technical Manual page 65

Unit Typical Roof Curb Installation (Gas Model Shown)
FIELD SUPPLIED
DISCONNECT SWITCH
MOUNTED ON UNIT
Unit Accessory Dimensions
1
Roof Curb
42-2/3
14
1. 8" Roof Curb also available.
Johnson Controls Unitary Products
MANUAL GAS
SHUT-OFF VALVE
TO POWER
SUPPLY
TO GAS
SUPPLY LINE
CONTROL WIRING TO
INDOOR THERMOSTAT
40-3/4
17-5/8
3-1/2
RETURN
AIR DUCT
RECOMMENDED
DUCT SIZE
17-1/2" x 16-3/4"
17-1/4
OPENING FOR
RETURN AIR DUCT
OPENING FOR
SUPPLY AIR DUCT
333491-YTG-C-1108
SUPPLY
AIR DUCT
45-1/8
43-1/4
22
RECOMMENDED
DUCT SIZE
17-1/8" x 21-1/2"
1
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