Carrier 50XL-A Owner's Manual

50XL---A Infinityr 15 SEER Single Packaged Air Conditio n er Sys t em with PuronR (R ---410A) Refrigerant

Owner’s Information Manual

A09032

Fig. 1 -- Unit 50XL--A

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 #)

_____________________________________________

NOTE TO INSTALLER:

This manual must be left with the equipment owner.

INSTALLATION INFORMATION

Date In stalled ________________________________

DEALERSHIP CONTACT INFORMATION

Company Name_______________________________

Address______________________________________

_____________________________________________

Phone Number _______________________________

Technician Name _____________________________

_____________________________________________

SAFETY CONSIDERATIONS

Improper installation adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory--authorized kits or accessories when modifying this product Refer to the individual instructions packaged with the kits or accessories when installing.

Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Use quenching cloth for brazing operations. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Consult local building codes, the current editions of the National Electrical Code (NEC) NFPA

70. In Canada refer to the current editions of the Canadian electrical

Code CSA C22.1.

Recognize safety information. This is the safety--alert symbol When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand these signal words; DANGER, WARNING, and CAUTION. These words are used with the safety--alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.

Note: Installer: This manualshould be left withtheequipmentuser.

CAUTION

FORYOURSAFETY

Failure to follow this caution may result in personal injury.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

CUT HAZARD

Failure to follow this warning could result in personal injury, death or property damage.

Do not use this unit if any part has been underwater. Immediately call a qualified service technician to inspect the unit and to replace any part of the control system which has been underwater.

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury or death.

Before performing recommended maintenance, be sure the main power switch to unit is turned off.

CAUTION

WARNING

OPERATING YOUR UNIT

The operation of your packaged coolingsystem iscontrolled by the Infinityr User Interface (UI). You may adjust the temperature manually through the UI or program the UI for automatic control. See UI manual for detailed instructions.

To start the unit:

1. Turn on the electrical power supply to unit.

2. Set MODE controltodesired modeand theUI forautomatic control. See your UI instructions for more details.

To shut off unit: Note: If the unit is being shut down because of a malfunction, call

your dealer as soon as possible.

1. Set system MODE control to OFF.

2. Turn off the electrical power supply to unit.

Cooling Mode

With the UI control settoCOOL, your unit willrun in cooling mode until the indoor temperature is lowered to the level you have selected. On extremely hot days, your unit will runfor longer periods at a time and have shorter “off” periods than on moderate days.

Heating Mode (if installed with optional electric heat)

Your system may also be equipped with an electric heating source. On cold days and nights, place your UI control to HEAT and your system will automatically turn on the electric heat in order to maintain the level of comfort you have selected.

Emergency Heating Mode

In the event of UI failure, the emergency heat mode allows your electricheating source to keep your home or officewarm until your UI can be serviced. Contact your dealer for more information.

Emergency Cooling Mode

In the event of UI failure, the emergency cooling mode allows your unit to keep your home or officecool until your UI can be serviced. Contact your dealer for more information.

MAINTENANCE AND SERVICE

This section discusses maintenance that should be performed by your dealerandcare you, as the owner, may wish to handle foryour new unit.

Routine Maintenance

All routine maintenance should be handled by skilled, experienced personnel. Your dealer can help you establish a standard procedure.

CAUTION

FORYOURSAFETY

Failure to follow this caution may result in personal injury.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

To assureproperfunctioning of theunit, flow of condenser airmust not be obstructed from reaching the unit. Clearance from the top of the unit is 48 in. (1219 mm). Clearance of at least 36 in. (914 mm) is required on sides except the power entry side (42 in. [1067 mm] clearance) and the duct side (12 in. minimum [305 mm] clearance).

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