Carrier 50AH - Manual (Page 15)

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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.