Garrison 2498551 User Manual

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PACKAGED TERMINAL

AIR CONDITIONER/HEAT PUMP

Before using your air conditioner, please read

this manual carefully and keep it for future reference.

Model: 2498546/2498547/2498548/2498549

2498550/2498551/2498552/2498553

2498554/2498555/2498556/2498557

2498558/2498559/2498560/2498561

Table of Contents

Questions and Answers:

P
Peter GlassAug 9, 2025
What to do if my Garrison 2498551 is not cooling or heating the room?
- W
  watkinsjillAug 9, 2025
  If your Garrison Heat Pump isn't cooling or heating the room effectively, ensure that curtains, blinds, and furniture aren't blocking the unit's airflow. Try adjusting the temperature setting to be lower or higher. Also, clean the filters. Allow enough time for the unit to heat or cool the room, or start it early. Ensure the vent door is closed and check the dip switch and wall thermostat settings. Note that it may take around 3 minutes for the compressor to start.
B
Brian HaneyAug 17, 2025
Why my Garrison Heat Pump does not start?
- G
  ghowellAug 17, 2025
  If your Garrison Heat Pump isn't starting, check that the plug is securely plugged into the wall receptacle and that the plug has not tripped (it has a test/reset button). Also, replace the fuse or reset the circuit breaker. Finally, make sure the unit is turned on using the bottom right button on the keypad.
J
Joann ZamoraAug 23, 2025
What to do if ice or frost forms on the indoor coil of my Garrison 2498551?
- A
  Alexandra SandersAug 23, 2025
  If ice or frost forms on the indoor coil of your Garrison Heat Pump, especially when the outdoor temperature is around 55°F or below and the unit is in Cooling mode, switch the unit to FAN operation until the ice or frost melts. Additionally, remove and clean the filters.
M
Miranda ThomasSep 1, 2025
Why is water dripping inside my Garrison Heat Pump?
- M
  Melanie WrightSep 1, 2025
  If water is dripping inside from your Garrison Heat Pump, it might be because the wall sleeve isn't installed level. The wall sleeve must be level to ensure proper condensation drainage. Check the installation and adjust as necessary.

Garrison 2498551 Specifications

General

Brand	Garrison
Model	2498551
Category	Heat Pump
Language	English

Summary

Safety Precautions and Symbol Definitions

Important Safety Instructions

General Safety Guidelines

Covers warnings about flammable vapors, extension cords, and adapter plugs.

Electrical Safety and Grounding

Details electrical service adequacy, proper grounding, and receptacle requirements.

Air Conditioner Features Overview

Control Panel Indicators and Buttons

Explains the function of buttons (MODE, FAN, POWER, SETPOINT) and LED indicators.

Control Panel Operation

Mode Selection

Cycles through COOL, HEAT, and FAN modes; explains operation in each mode.

Temperature Adjustment

Adjusts set temperature in 1°C/1°F increments; switches between °C and °F.

Display Information and Error Codes

Shows set temperature, room temperature, control codes, and error codes.

Dip Switch Configurations

Dip Switch Functions and Settings

Details the configurations and functions of each dip switch position.

Fan Operation Modes (CON/CYC)

Explains dip switches for continuous (CON) or cycle (CYC) fan operation.

Wall Thermostat Terminal Installation

Thermostat Wire Routing

Provides guidance on routing thermostat wires correctly.

PTAC Wall Thermostat Installation

Instructions for installing wall thermostats on PTAC units.

Wall Thermostat Wiring and Control

Wall Thermostat Wiring Cautions

Warns about potential unit damage from improper wiring or thermostat connections.

Front Desk Control System

Unit Installation Procedures

Unit Installation and Operation

Securing the Unit in Sleeve

Care and Cleaning Procedures

Outdoor Coil Maintenance

Air Filter Maintenance

Importance of cleaning air filters every two weeks for efficiency and prevention.

Vent Door Filter Cleaning

Troubleshooting Common Issues

Unit Does Not Start

Troubleshoots issues like unplugged unit, blown fuse, or tripped breaker.

Unit Not Cooling/Heating Room

Addresses problems like blocked airflow, incorrect settings, or dirty filters.

Water Dripping and Coil Frost

Troubleshoots water dripping and frost formation on the indoor coil.

Compressor Protection and Heating Failure

Covers compressor restart delays and electric heating failures.

Related product manuals

Preview: Garrison 2498547

Garrison 2498547

Garrison 2498549

Garrison 2498548