Reznor YDSA Unit Installation Manual - Manual (Page 8)

Form I-Y, P/N 273646R6, Page 8
Optional
Outside
Air Hood
Airflow
Hood
66-1/2
(1689)
B - Inside the Curb Cap
A - Base Length
51-11/16 (1313)
- Inside the Curb Cap
Top
View
Side View
Inlet Air End Views
Utility Entrance Dimensions
Bottom View showing Duct Openings
Supply Air Discharge Return Air
Inlet
Outside
Air Inlet
(4) Corner Lifting
Points - 1-1/2 (38mm)
88-1/8 (2238)
- Base Width
Power
Exhaust
Box with
Optional
Wheel
1-1/4” Ø Condensate
Drain Connection
Optional
Wheel Access Damper Access
Coil &
Filter
Access
Fan
Access
Optional
Heat Section
Control Access
Condenser
Section
5-7/8 (149)
X
Power Exhaust
Box with
Optional Wheel
Condenser
Section
40-5/16
(1024)
5-1/8
(130)
w/std
gas
heat
only
89-15/16
(2284)
58-5/8
(1489)
31-5/16
(795)
65-9/16
(1665)
C
24
(610)
D
**Optional
Disconnect
Switch
**Power
Supply
Gas
Inlet
31-7/16
(799)
30
(762)
18
(457)
6-1/8 (155)
6-1/8
(155)
45
(1143)
45
(1143)
6 (152)
8 (203)
6-1/4 (159)
5-1/4
(133)
57-11/16
(1468)
49-11/16
(1264)
14 (356)
24-9/16
(624)
Optional
Exhaust
Dampers
without
an energy
recovery
wheel
Vent Outlet - Standard (non-condensing)
Gas Heat Section
Control Access
Vent
Outlet
(gas
heat)
X
Y
Z
Y
*Vent Outlets -
High Efficiency
(condensing)
Gas Heat Section
Optional Gas
Heat Section
Control End View with High
Efficiency Gas Heat Section
(See dimensions below.)
Control End View with Electric or
Non-Condensing Gas Heat Section
* High-efficiency dual heat sections have two vent outlets.
** Two power supply entrances and two disconnect switches apply
only to systems with dual disconnect Option BA7.
Models and Cooling Sizes
Cabinet
Size
System without Energy Recovery
Wheel
System with Optional Energy
Recovery Wheel
A1 B1 C1 D1 A2 B2 C2 D2
Dimensions - inches Dimensions - inches
YDMA & YDHA 180, 210, 240
and YDSA 120, 150
2 132-17/32 124-21/32 131-19/32 24-7/16 140-27/32 133 139-31/32 32-25/32
Dimensions - mm Dimensions - mm
YDMA & YDHA 180, 210, 240
and YDSA 120, 150
2 3366 3167 3342 621 3577 3378 3555 833
4.2 Dimensions (cont’d)
FIGURE 3 - Cabinet Size 2 Dimensions - inches (mm)
Important NOTE: DO NOT use base dimensions for roof curb. See Paragraph 5.3.
Opening Dimensions
inches (mm)
Supply Air
Discharge
45 x 30
(1143) x (762)
Return Air
Inlet
45 x 18
(1143) x (457)
Outside Air Inlet - Sizes by Option:
Option
X Y Z
AR1
49-5/8
(1260)
25-5/8
(651)
5-1/2
(140)
AR7
45-3/4
(1162)
8
(203)
7
(178)
AR25, AR2G,
AR2H & all
models with
Wheel option
49-5/8
(1260)
25-5/8
(651)
5-1/2
(140)
Gas Connection Location and Size for Systems with Optional Gas Heat Section
Gas Heat Section (H=non-condensing; G=condensing heat section)
X Y
Diameter
(NPT) Single Furnace Dual Furnaces (one gas connection)
H75, H100 H125, H150, H175, H202
10-15/16”
(278 mm)
13-11/16”
(348 mm)
1/2”
H200, G150 H402, G302 7-11/16”
(195 mm)
14-1/8”
(359 mm)
1/2”
H300, H400, G225, G300 G372 3/4”
4.0 Clearances and Dimensions (cont’d)