Specifications

2. Liquid Solenoid Valve:
This electronically operated shutoff valve shall close and open in response to
compressor operation. The valve should be used with all long-line
applications (over 100 equivalent ft or 25-ft lift).
3. Winter Start Control (38HDC/HDL)
Field supplied and installed winter start control shall permit start-up for
cooling operation under low-load conditions and at low-ambient temperatures
by bypassing the low-pressure switch for a 3-minute delay period.
4. Crankcase Heater (units with scroll compressors only):
Note: Winter start control shall be required when unit is intended to operate
in cooling at outdoor ambients below 40 F. Unit shall be shipped with a
clamp-on compressor oil sump heater.
5. Hard Start Kit:
Field installed accessory start capacitor and start relay shall give a hard boost
to compressor motor at each start.
6. Stacking Kits:
Field installed accessory shall allow stacking of equally sized units or permit
smaller units to be stacked on top of larger units. These field installed and
fabricated rails can be used for stacking HDC and HDL.
7. Snow Stand Kit:
Field installed accessory shall raise the outdoor unit above snow and ice
surfaces to permit normal air circulation, condensate drainage, and
maintenance clearances in areas where prolonged subfreezing temperatures or
heavy snow occur.
8. Wind Baffle Kit:
Field installed accessory shall be fabricated sheet metal wrapper used to
provide improved unit operation during high winds, and is recommended
whenever the Low Ambient Kit is used.
9. Wall Mount Kit:
Field installed accessory kit to allow unit mounting to the outside of a
structure to raise the unit from ground level, or to mount the unit on a wall
adjacent to a sloping roof. Wall mounts are also useful in areas of heavy
snowfall or where space is at a premium.