York F2FP045 User Manual

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INSTALLATION

MANUAL

CAUTION: READ ALL SAFETY GUIDES BEFORE YOU

START TO INSTALL YOUR UNIT.

SAVE THIS MANUAL

SINGLE PIECE AIR HANDLERS

HEAT PUMP MODELS

F2RP / F2FP018 THRU 060

F3RP / F3FP018 THRU 060

COOLING MODELS

F2RC / F2FC 024 THRU 036

035-14520-001 Rev. B (0803)

TABLE OF CONTENTS

GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . 2

INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

HORIZONTAL DRAIN PAN INSTALLATION /

CONVERSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DUCT CONNECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . 5

AIR FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

SUSPENSION KITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

COIL METERING DEVICES . . . . . . . . . . . . . . . . . . . . . . 6

REFRIGERANT LINE CONNECTION . . . . . . . . . . . . . . . 7

ELECTRIC HEATERS & OPERATING CONTROLS . . . 8

LOW VOLTAGE CONTROL CONNECTION . . . . . . . . . . 8

LINE POWER CONNECTIONS . . . . . . . . . . . . . . . . . . . . 8

BLOWER SPEED CONNECTIONS . . . . . . . . . . . . . . . . 8

DRAIN CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . 19

MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

COIL CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

CONDENSATE DRAINS . . . . . . . . . . . . . . . . . . . . . . . . 19

TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . 19

Questions and Answers:

T
tkiddAug 8, 2025
Why does my York Air Handler blower run all the time?
- J
  Jermaine WallaceAug 8, 2025
  If the blower in your York Air Handler is running continuously, here's what might be happening and how to address it: * **Thermostat Setting:** Ensure that the thermostat fan switch is set to the “AUTO” position, not “ON”. * **Blower Delay:** The blower might be in its normal OFF delay, which lasts approximately 1 minute. Wait and see if it stops. * **Connectors and Limits:** Check the installation of the 6-pin connector. Also, inspect the limit switch connection. * **Variable Speed Tab:** Look for a broken variable speed break-out tab.
R
Rodney Diaz PhDAug 14, 2025
What to do if my York Air Handler has no heat or limited heating?
- M
  Michelle PowellAug 14, 2025
  If your York Air Handler isn't providing enough heat, or no heat at all, here are a few things to check: 1. **Airflow:** Make sure that all registers are open and that there are no obstructions restricting airflow to either the supply or return registers. 2. **Filter:** Inspect the filter and replace it if it's dirty. 3. **Blower Motor:** Check to ensure the blower motor is functioning correctly. 4. **Safety Limit:** If the safety limit has opened 4 times, the control will prevent the heating element from operating for 1 hour. Allow the control to reset.
M
Mitchell CurtisAug 20, 2025
How to troubleshoot no 2nd stage heat in York Air Handlers?
- J
  James LewisAug 21, 2025
  If your York Air Handler is not providing 2nd stage heat, here’s what you should check: * **Connectors and Relays:** Inspect the 6-pin connector and the connections to the panel mount relays. * **Terminal Strip Connections:** Verify that both W1 and W2 are securely connected at the terminal strip.
K
Kelsey BarnettAug 27, 2025
What to do if my York Air Handler has no 24V?
- C
  Christopher ClarkAug 27, 2025
  If your York Air Handler has no 24V, here are a few things to check: * **4-Pin Connector:** Ensure the 4-pin connector is securely in place. * **Wiring:** Inspect and secure any loose wire connections from the control to the transformer (both 24V and 230V). * **Fuse:** Replace any blown fuse located on the control board.
D
danielvargasSep 2, 2025
Why does my York Air Handlers keep blowing fuses?
- S
  Scott SmithSep 2, 2025
  To address a blown fuse in your York Air Handler, check for low voltage shorts to C or ground from R, Y, G, W, or O.

York F2FP045 Specifications

General

Model Number	F2FP045
Category	Air Handlers
Phase	1
Motor Type	PSC
Cooling Capacity	45000 BTU
Voltage	208-230V
Insulation	Foil-faced

Summary

Location

Horizontal Drain Pan Installation / Conversion

Air Filters

Filter Operation Caution

Equipment must never be operated without air filters installed.

Coil Metering Devices

TXV Metering Device

Attaching TXV bulb to suction line; proper placement and securing for accurate sensing.

Orifice Metering Device

Information on orifice selection, installation, and potential changes based on system conditions.

Orifice Installation

Refrigerant Line Connection

Electric Heaters & Operating Controls

Low Voltage Control Connection

Wiring the 24-volt transformer and low voltage wiring to the control board.

Line Power Connections

Blower Speed Connections

Wiring Diagrams

Cooling Wiring Diagrams

Wiring diagrams for cooling-only and cooling with electric heat configurations.

Heat Pump Wiring Diagrams

Wiring diagrams for heat pump configurations, including demand defrost.

Drain Connections

Maintenance

Troubleshooting Guide

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