York DH 300 User Manual

Page of 44
262260-YTG-E-1008
Johnson Controls Unitary Products
35
FIGURE 5 -
REAR VIEW DIMENSIONS
NOTE: Units are shipped with the bottom duct openings 
covered. An accessory flange kit is available for 
connecting side ducts.
For bottom duct applications:
1.
Remove the side panels from the supply and return air 
compartments to gain access to the bottom supply and 
return air duct covers.
2.
Remove and discard the bottom duct covers. Duct 
openings are closed with sheet metal covers except 
when the unit includes a power exhaust option. The 
covering consists of a heavy black paper composition.
3.
Replace the side supply and return air compartment 
panels.
For side duct applications:
1.
Replace the side panels on the supply and return air 
compartments with the side duct flange accessory kit 
panels.
2.
Connect ductwork to the flanges on those panels.
SUPPLY
AIR
RETURN 
AIR
OUTDOOR
AIR
5-1/8"
18-5/8"
27-3/4"
28-5/8” (15 TON)
39-5/8"
(17.5 thru 25 TON)
40-1/2"
OUTDOOR AIR
COMPARTMENT
ACCESS
FILTER 
ACCESS
1" NPT FEMALE
COND. DRAIN
CONNECTION
DOT PLUG
(For pressure
drop reading)
EVAPORATOR
SECTION
40-3/8"
COMPRESSOR
ACCESS
SUPPLY AIR
ACCESS
RETURN AIR
ACCESS
REAR
VIEW
Dimensions listed are for side
duct flange openings; see
Field Accessories for Side
Duct Flange Kit.