Reznor YDSA Unit Installation Manual Manual de usuario Pagina 7
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Form I-Y, P/N 273646R6, Page 7
Models
and Cooling
Sizes
Cabinet
Size
System without Energy Recovery Wheel System with Optional Energy Recovery Wheel
A1 B1 C1 D1 E1 F1 G1 A2 B2 C2 D2 E2 F2 G2
Dimensions - inches Dimensions - inches
YDMA and
YDHA 060, 090
1A
128-1/2
53-1/32
120-11/16 127-19/32 20-1/2
41-31/32 46-31/32
136-27/32
53-1/32
129 135-15/16 28-13/16
41-31/32 46-31/32
YDMA and
YDHA 120, 150
1B
63-1/32 49-21/32 57-21/32 63-1/32 49-21/32 57-21/32
Dimensions - mm Dimensions - mm
YDMA and
YDHA 060, 090
1A
3264
1347
3065 3241 521
1066 1193
3476
1347
3277 3452 732
1066 1193
YDMA and
YDHA 120, 150
1B
1601 1261 1464 1601 1261 1464
FIGURE 2 - Cabinet Size 1 Dimensions - inches (mm)
Opening Dimensions inches
(mm)
Supply Air
Discharge
36 x 30
(914) x (762)
Return Air
Inlet
36 x 16
(914) x (406)
Outside Air Inlet - Sizes by Option:
Option Z
AR7
8
(203)
AR25, AR2D,
AR2H & all
other models
19-7/8
(505)
4.2 Dimensions
Important NOTE: DO NOT use base dimensions for roof curb. See Paragraph 5.3.
Airflow
Control End View with High
Efficiency Gas Heat Section
(See dimensions below.)
Bottom View showing Duct Openings
Utility Entrance Dimensions
Side View
Top
View
Inlet Air End View
(4) Corner Lifting
Points - 1-1/2 (38mm)
80-7/8 (2238)
- Base Width
Return Air
Inlet
Supply Air
Discharge
1-1/4” Ø Condensate
Drain Connection
Condenser
Section
Optional
Heat Section
Control Access
Fan
Access
Coil &
Filter
Access
Optional
Wheel Access
Damper Access
Hood
**Power
Exhaust
w/Opt
Wheel
Optional
Outside
Air Hood
Outside
Air Inlet
Power Exhaust
Box with
Optional
Wheel
Condenser
Section
82-11/16
(2100)
23-3/8
(594)
14 (356)
C - Inside the Curb Cap
A - Base Length
23-7/8
(606)
B
32-7/16
(824)
D
5-15/16
(150)
Z
50
(1270)
51-3/8
(1305)
31-5/16
(795)
44-7/16 (1128)
- Inside the Curb Cap
5-1/8
(130)
std gas
heat
only
**Optional
Disconnect
Switch
**Power
Supply
Gas
Inlet
6 (152)
8 (203)
6-1/4 (159)
5-1/4
(133)
E
F
36
(914)
36
(914)
7 (178)
7 (178)
31-7/16
(799)
30
(762)
16
(406)
G
X
Y
Vent Outlet - Standard (non-condensing) Gas Heat Section
*Vent Outlet -
High Efficiency
(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.
Optional Exhaust
Dampers
without an
energy recovery
14-3/8
(365)
10-3/8
(254)
Optional Gas
Heat Section
Vent
Outlet
(gas heat)
Control End View with Electric or
Non-Condensing Gas Heat Section
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)
H50, H75, H100 H102, H125, H150, H175, H202
10-15/16”
(278mm)
13-11/16”
(348mm)
1/2”
H200, G150 H402, G302
7-11/16”
(195mm)
14”
(356mm)
1/2”
H300, H400, G225, G300 G372 3/4”
- WARNING: 1
- 1.0 General 2
- 1.2 General 3
- Information 3
- 1.3 Warranty 3
- 1.4 Installation 3
- Controls Options: 5
- 4.0 Clearances and Dimensions 6
- 4.2 Dimensions 7
- 4.2 Dimensions (cont’d) 8
- Side View 9
- 5.0 Mounting 10
- (Control End 11
- (Inlet Hood End) 11
- 5.0 Mounting (cont'd) 12
- Roof Curb 13
- Option CJ55 16
- Return Air 17
- Supply Air 17
- 5.4 Rigging and 19
- 6.0 Mechanical 20
- Cabinet Size Dim “A” 21
- 1 32.44 / 824 21
- 2 40.31 / 1024 21
- 3 49.39 / 1255 21
- 6.0 Mechanical (cont’d) 22
- 7.0 Electrical and 23
- 7.2 Supply Wiring (cont’d) 24
- FIGURE 18 - High and Low 26
- Electrical Compartment 26
- • Allows same access as 27
- • Shipped with the unit for 28
- 7.5.3 Field Wiring 29
- (cont’d) 29
- • P/N 256957 30
- • P/N 42782 30
- Variable Frequency Drive 31
- Setting Fan CFM 31
- Condenser Fan Control 31
- Compressor Amps/ 31
- 8.0 Controls 32
- 8.2 Supply Fan 33
- 8.1 System 33
- Controller 33
- 8.0 Controls (cont'd) 34
- 9.0 Optional 35
- Equipment 35
- Sections 35
- 9.1.2 Power Exhaust 36
- Option PE__ 36
- 9.2 Gas Heat 37
- 9.2 Gas Heat Section (cont’d) 38
- Single Heat Section 39
- Manifold Assembly with 39
- 2-Stage Option AG71 39
- Manifold Pressure Tap 39
- Venter Control 43
- Pressure Switch 43
- Gas Pressure Safety 51
- Switches, Option BP4 51
- Section 54
- Control Access 55
- Condenser 55
- High-Efficiency 57
- Vent(s) 57
- 9.3 Electric Heat 58
- 10.2.2 Additional Gas 59
- Heat Checklist Prior to 59
- Startup: 59
- Alarm Prg Esc Up Enter Down 60
- (continued) 61
- Balance Airow 62
- 10.4 Other Control Settings 64
- 10.5 Checklist 66
- Size and Type 68
- Appendix (cont’d) 69
- Start-Up Information Form 74
- References 75
- I) Form I-Y (Version .5) 76
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