Reznor P125 YDSA Parts Manuals - Manual

Form P-Y (01-15), PN 273651R6, Page 1
A
Air Temp Sensor w/ 8”Probe 20
B
BacNet DDC Communication
Bus 11 See also Electrical
Components - Low
Voltage Panel
Blocked Condensate Switch
(High Efficiency Furnace)
11
Building Static Pressure (in Op-
tion VFC4 & GF5) 11
Bypass Valve 42
C
External Cabinet Parts 48,
49, 50
Capacitor 11, 16
Carel Digital Controller 16
Carel Digital Controller with
Programmed Software 11
Carel Plugs 11, 16
CO2 Sensor 11, 20
Condenser Coil 36, 41
Evaporator Coil 36, 41
Coil & Filter Access Panel 50
Coil Kit (24v Coil) 34
Combination Gas Valve 22
Compressor 34, 40, 41, 45
Compressor Mounting Kit
33, 42
Condenser Fan Installation &
Fan Support 34
Condenser Fan System 36, 37
Condenser Top 36
Contactor 11, 17, 45
Control Left Door 49, 50
SCR Controller 17
Control Right Door 49, 50
Convenience Outlet 11, 20
Cooling and Dehumidifying
Components 37, 38, 40,
41, 42
Crankcase Heater 35, 41
Cross-Reference by Model/Size
and Cabinet Size 4
D
Damper Ball & Socket Joint 44
Damper Linkage 44
Damper Motor Access Cover
50
Dampers and Controls 43, 44,
47, 48
Date of Manufacture 3
Digital Controller 11, 33, 34,
40, 41
Digital Controller for Compres-
sors 12
Dirty Filter Switch 11
Discharge Air Sensor 11
Disconnect Switch (Option
CP) 20
Hand Held Display for Digital
Controller (Option RB4)
11
Remote Display for Digital
Controller (Option RB3)
11
Distribution Block 11
Distribution Block, 17
Drain Access Outer Panel 50
Drain Pan 51
DSI Control Module 11, 20
Ductstat 11
Duct Static Pressure (in Option
VFC3) 11
E
Electrical Compartment 4, 5,
6, 7, 8, 9, 10, 20, 21, 22,
24, 26
Electrical Components - Electric
Heat Section Panel 11
Electrical Components - High
Voltage Panel 11
Electrical Components - Unit
Low Voltage P 11
Electric Preheat Energy Recov-
ery Wheel, Options PH2A,
PH3A or PH4A 45
Energy Recovery Cassette 44
Energy Recovery Filter Switch
11
Energy Recovery Wheel Access
Panel 50
Energy Recovery Wheel Filters,
Options EW30, EW36,
EW46 or EW58 42
Energy Recovery Wheel
Package Components 44,
45, 46
Exhaust Fan Pressure Switch
11
Expansion Valves 35, 41
F
Fan Access Panel 50
Fan Blade 36
Fan Guard 36
Fan Motor, 3/4 HP 36
Fan/Motor Support 36
Dirty Filter Switch 44
Filter Drier 35, 41
Filter Pressure Switch, 17
Filter Support Asm Comp 43
Firestat 11, 20
Flame Sensor 22, 23, 24,
25, 26
Flexible Gas Connection 23,
25, 26
Frostat 44
Fuse 45
Fuseblock 45
Fuses 11
Fuses for wheel preheat (opt
PH-__) 11
G
Gas Door Left 49
Gas Door Right 50
Gas Orifice Replacement 28
Gas Pressure Switch 24,
25, 26
Gas Valve 23, 25, 26, 27
Grounding Bar 12
Grounding Lug 11, 16
H
Hail Guard 50
Heater Rack 45
Heat Exchanger Assy 22, 23,
24, 25, 26
High Gas Pressure Switch 22,
23, 24, 25, 26
High Pressure Switch 34, 41
Hinge 51
I
Ignitor 22, 23, 24, 25, 26
Insufflation Connector 37
IQ Digital Controller 11
Isolation Hardware on Fan
Support 34
L
Limit Control 22, 23, 24, 25, 26
Line Reactor 11, 16
Long Damper Rod 44
Low Ambient Controller for
ECM Condenser Fan 16
Low Ambient Controller for
ECM Condenser Fan (Opt
CUF4) 11
Low Ambient Controller for
Standard Condenser Fan
(Opt CUF3) 11
Low Ambient Controller for
Std Condenser Fan Sen-
sor 16
Low Gas Pressure Switch 22,
23, 24, 25, 26
Low Pressure Switch 34, 41
Low Speed Venter (Combustion
Air Switch - Low Pressure)
11
M
Modulating Valve 24, 25, 26
Molded Plug 35, 41
Damper Motor 44
Motor Bracket 44
Mounting Kit 34, 41
O
Option AG72 & 74 Gas Heat
Components 23, 25, 26
OPTIONAL GAS HEAT
SECTION, Option H_ 34
Optional Gas Heat Section
Rating Plate 3
Outside Air Hood, Option
AS16 43
Overload Relay 11
P
Phase Loss/Voltage Monitor 12
Phase Loss/Voltage Monitor
(Opt PL4) 11
Photoelectric Smoke Detector
20
Plenum Fan 36, 37
Plug-in Card 11
Power Feed Terminals 12
Pressure Sensor Transducer
11
R
Rating Plate 2
References 52
Relay 11
Relay Board 11, 20
Return Air Temperature Sensor
& Box, 8” probe 11
Rubber Isolation 37
S
SCR Controller 11
Sensor Port 17
Sensors for Monitoring and
Reporting to the Digital
Controller 11
Serial No. 2
Serial No. Date of Manufacture
Table 3
Shaft 44
Slam Latch 51
Smoke Detector 11
Socket for Code 1A Monitors
11
Solenoid Kit 33, 42
Solenoid Kit (24v Coil) 34, 41
Space Temperature Sensor
(Opts CL23, CL33 &
CL78) 11
Space Temp Sensor 20, 27, 33
Static Pressure Transducer 17
Supply Air Filters, Options
AW21 or AW24 42
Supply Fan 11
Air Proving Switch 11, 16, 17
Combustion Air Proving Switch
11, 17
Dirty Filter Pressure Switch 11
Disconnect Switch 11, 20
T
Temp Sensor (Wheel Supply
Air) 44
Terminal Blocks 11
Terminal Strip 11, 17
Thermister 33, 34, 40, 41
Top Cover Center 49
Top Cover End 49
Top Cover Rear 49
Transducer 11
Transformers 11, 12
V
Vent Box Subassembly 51
Venter Housing 11
VFD 11
W
Wheel Belt 44
Wheel Segment 44
Wiring Harness 44
Form P-Y (01-15)
Obsoletes Form P-Y (12-5-14)
Applies to: Replacement Parts for
Models YDHA, YDMA, and YDSA
Cabinet Sizes 1, 2 & 3.
IMPORTANT
1. Always include complete heater model and serial number
so that any specification change can be considered for
parts replacement. It can save time and expense.
2. Specifications are subject to change without notice.
3. We reserve the right to substitute functional replacements.
4. Order by P/N; not Heater Option Designation.
IMPORTANT: Do not release refrigerant to the atmosphere! If required service
procedures include the adding or removing of refrigerant, the service technician
must comply with all federal, state, and local laws. Service procedures should only
be performed by a qualified HVAC technician.
INDEX
Cabinet Sizes 1, 2 & 3
• Model YDHA:
• Cabinet Size 1 - DX
Cooling Sizes 60, 90, 120
& 150.
• Cabinet Size 2 - DX
Cooling Sizes 180, 210
& 240.
• Cabinet Size 3 - DX
Cooling Sizes 300 & 360.
• Model YDMA:
• Cabinet Size 1 - DX
Cooling Sizes 60, 90, 120
& 150.
• Cabinet Size 2 - DX
Cooling Sizes 180, 210
& 240.
• Cabinet Size 3 - DX
Cooling Sizes 300 & 360.
• Model YDSA:
• Cabinet Size 2 - Sizes 120
& 150.
• Cabinet Size 3 - Sizes 180
& 210