Reznor YDSA Unit Installation Manual - Manual (Page 12)

Form I-Y, P/N 273646R6, Page 12
Item
Description
Option CJ31 Option CJ34
Cabinet 1 Cabinet 2 Cabinet 3 Cabinet 1 Cabinet 2 Cabinet 3
Package P/N 272399 272403 284223 272401 272405 284223
A Cross Supports
(for duct work)
271350
(Qty 4)
271689
(Qty 4)
284134
(Qty 4)
271350
(Qty 4)
271689
(Qty 4)
284134
(Qty 4)
B Side Assy (inlet air end)
271413
(Qty 2)
272034
(Qty 2)
284189
(Qty 2)
271424
(Qty 2)
271391
(Qty 2)
284189
(Qty 2)
C Side Assy (control end)
271414
(Qty 2)
271392
(Qty 2)
284188
(Qty 2)
271414
(Qty 2)
271392
(Qty 2)
284188
(Qty 2)
D End Assembly
271415
(Qty 2)
271393
(Qty 2)
284187
(Qty 2)
271415
(Qty 2)
271393
(Qty 2)
284187
(Qty 2)
E Splice Plates for Sides
271690
(Qty 2)
271690
(Qty 2)
271690
(Qty 2)
271690
(Qty 2)
271690
(Qty 2)
271690
(Qty 2)
A
A
A
A
B
C
D
E
B
C
D
E
Return
Air Opening
Supply (Discharge) Air Opening
Inlet
Air End of Unit
Control End of Unit
Condenser Side of Unit -
(Condenser section base extends
30” / 762mm beyond the roof curb.)
Hardware in Options CJ31 and CJ34
Qty P/N Description Use
28 16243 Lag Screw For top level screws (1 each corner; 4 each splice; 2 each
cross support). Insert screws from inside the curb so that
they extend into the wood nailer on the outside.
28 1333 Lock Washer
32 16247 Cap Screw
For attaching at all points below the wood nailer. Insert
screws from outside the curb.
32 1333 Lock Washer
32 1035 Hex Nut
FIGURE 6 - Components (CJ31 & CJ34)
CAUTION: Before installation, recheck to be sure that the correct curb has been ordered.
Be sure that the curb selected matches the unit ordered. Verify the dimensions of the curb
received with the appropriate dimension table.
5.3.1 Down flow Roof Curbs (cont’d)
5.3 Mounting on a Roof Curb (cont'd)
5.0 Mounting (cont'd)