Reznor P125 YDSA Parts Manuals User Manual
Index, Form p-y (01-15), Cabinet sizes 1, 2 & 3

Form P-Y (01-15), PN 273651R6, Page 1
A
B
BacNet DDC Communication
Bus 11 See also Electrical
Components - Low
Voltage Panel
Blocked Condensate Switch
(High Efficiency Furnace)
Building Static Pressure (in Op-
Bypass Valve 42
C
Carel Digital Controller with
Coil & Filter Access Panel 50
Combination Gas Valve 22
Compressor Mounting Kit
Condenser Fan Installation &
Condenser Top 36
Cooling and Dehumidifying
Cross-Reference by Model/Size
D
Damper Motor Access Cover
Digital Controller 11, 33, 34,
Digital Controller for Compres-
Discharge Air Sensor 11
Disconnect Switch (Option
Hand Held Display for Digital
Controller (Option RB4)
Remote Display for Digital
Controller (Option RB3)
Drain Access Outer Panel 50
Duct Static Pressure (in Option
E
Electrical Components - Electric
Electrical Components - High
Electrical Components - Unit
Low Voltage P 11
Electric Preheat Energy Recov-
ery Wheel, Options PH2A,
PH3A or PH4A 45
Energy Recovery Filter Switch
Energy Recovery Wheel Access
Energy Recovery Wheel Filters,
Options EW30, EW36,
Energy Recovery Wheel
Exhaust Fan Pressure Switch
Expansion Valves 35, 41
F
Fan Access Panel 50
Fan Motor, 3/4 HP 36
Filter Support Asm Comp 43
Fuses for wheel preheat (opt
G
Gas Valve 23, 25, 26, 27
H
Heat Exchanger Assy 22, 23,
I
Isolation Hardware on Fan
L
Limit Control 22, 23, 24, 25, 26
Low Ambient Controller for
Low Ambient Controller for
ECM Condenser Fan (Opt
Low Ambient Controller for
Standard Condenser Fan
Low Ambient Controller for
Std Condenser Fan Sen-
Low Speed Venter (Combustion
Air Switch - Low Pressure)
M
Modulating Valve 24, 25, 26
O
Option AG72 & 74 Gas Heat
OPTIONAL GAS HEAT
Optional Gas Heat Section
Outside Air Hood, Option
P
Phase Loss/Voltage Monitor 12
Phase Loss/Voltage Monitor
Photoelectric Smoke Detector
Power Feed Terminals 12
Pressure Sensor Transducer
R
Return Air Temperature Sensor
S
Sensors for Monitoring and
Reporting to the Digital
Serial No. Date of Manufacture
Socket for Code 1A Monitors
Solenoid Kit (24v Coil) 34, 41
Space Temperature Sensor
(Opts CL23, CL33 &
Space Temp Sensor 20, 27, 33
Static Pressure Transducer 17
Supply Air Filters, Options
AW21 or AW24 42
Combustion Air Proving Switch
Dirty Filter Pressure Switch 11
T
Temp Sensor (Wheel Supply
V
W
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