I.Operating characteristics:

1.Unit shall operate using refrigerant R-22.

2.Unit shall be designed for indoor suspended horizontal mounting and operation.

J.Electrical Requirements

Unit shall have single point power connection to leads in terminal box.

K.Special Features:

Certain standard features are not applicable when the features designated by * are specified. For assis- tance in amending the specifications, your local Carrier Sales Office should be contacted.

*1. Electric Heat Module:

a.Provides encased heater elements that shall attach directly to the base unit discharge.

b.Shall have bottom access.

c.UL listed.

2.Thermostat Assembly:

Provides cooling and fan control. Standard sub- base shall include ‘‘Compressor malfunction light’’ designed to illuminate if compressor lock- out is activated.

3.Time Guard® II Device Compressor Cycle Delay:

Prevents compressor from restarting for a mini- mum of 5 minutes after shutdown.

*4. Condensate Pump:

Unit shall be equipped with remotely located condensate pump. A field-installed light shall illuminate when reservoir rises above a preset level. Unit shall shut down upon reservoir light illumination.

* 5. Head Pressure Control Package:

Allows unit to mechanically cool down to 0° F ambient temperature. Package shall include damper operating device and all necessary hardware.

6.Vibration Isolation Package:

Shall provide 4 spring hangers for ceiling mounted unit to damper vibration that may be transmitted to building structure.

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Carrier 50AH manual