Carrier 50ZPB User Manual

In to the expe_
Owner's Information Manual
Fig. 1 - Unit 50ZPB
A05194
NOTE TO EQUIPMENT OWNER:
For your convenience, please record the model and serial numbers of your new equipment in the spaces
provided. This information, along with the installation data and dealer contact information, will be helpful
should your system require maintenance or service.
UNIT INFORMATION
Model #
Serial #
ACCESSORIES (List type and model #)
INSTALLATION INFORMATION
Date Installed
DEALERSHIP CONTACT INFORMATION
Company Name
Address
Phone Number
Technician Name
NOTE TO INSTALLER:
This manual must be left with the equipment owner.

Carrier 50ZPB Specifications

General

HSPF	Up to 9.5
Refrigerant	R-410A
Energy Efficiency Ratio (EER)	12.5
Voltage	208/230 V
Compressor Type	Scroll
Stages	Single-stage

Summary

Safety Considerations

Electrical Shock and Operation Hazard

Warning about using the unit if it has been underwater. Call a service technician for inspection.

Electrical Shock and Cut Hazard

Warning regarding sharp metal parts and screws when accessing internal components. Use caution.

Starting and Shutting Down the Unit

Instructions on how to turn the unit on and off, including setting thermostat and power switch.

Cooling and Supplemental Heating Modes

Explains how the unit operates in cooling mode and when supplemental heat is activated.

Routine Maintenance Guidelines

Outlines general maintenance procedures and safety precautions for keeping the unit area clear.

Maintenance and Care for the Equipment Owner

Fire, Explosion, Electrical Shock and Cut Hazard

Warning about potential hazards during servicing or maintenance. Turn off power and use protective gear.

Air Filters

Instructions on checking, cleaning, or replacing air filters. Importance of proper filter size and installation.

Fan and Motor Maintenance

Checking fan wheels, housings, and bearings. No lubrication is required for fan motors or bearings.

Coil and Drain Maintenance

Cleaning of indoor/outdoor coils and condensate drain line should be done by qualified personnel.

Compressor and Condenser Fan

Compressors are sealed and require no maintenance. Condenser fan must be kept clear of obstructions.

Electrical Controls, Refrigerant Circuit, and Unit Panels

Checking electrical controls, refrigerant circuit, and securing unit panels after maintenance.

Regular Dealer Maintenance

Recommended annual inspections by a qualified technician for various unit components and systems.

Troubleshooting and Service Calls

Pre-Service Checks for Unit Operation

List of checks for insufficient heating/cooling or if the unit is not operating at all before calling for service.

In Case of Trouble

Action to take if unit performance remains unsatisfactory after performing checks: shut off and call dealer.

Recording Unit Information

Space provided to record dealer name, telephone, unit model, and serial number for service calls.