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 
. 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
Note: Installer: This manual should be left with the equipment user.
!CAUTION
FOR YOUR SAFETY
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.
!CAUTION
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.
!WARNING
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.
OPERATING YOUR UNIT
The operation of your packaged cooling system is controlled by the Infinityt 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 control to desired mode and the UI for automatic 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 set to COOL, your unit will run in cooling mode until the indoor temperature is lowered to the level you have se- lected. On extremely hot days, your unit will run for 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 main- tain the level of comfort you have selected.
Emergency Heating Mode
In the event of UI failure, the emergency heat mode allows your electric heating source to keep your home or office warm 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 office cool 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 dealer and care you, as the owner, may wish to handle for your new unit.
Routine Maintenance
All routine maintenance should be handled by skilled, experienced personnel. Your dealer can help you establish a standard procedure.
!CAUTION
FOR YOUR SAFETY
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 assure proper functioning of the unit, flow of condenser air must 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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