Refrigeration
Refrigerant:
R-404A
Charge:
240 ounces
Compressor:
Copeland hermetic
Compressor Amps:
•
Freeze - 13.2 to 12.9, declining to 9.6 at the end of the freeze cycle. 11.6 to 11.9 at five minutes.
•
Harvest - 12.7 to 11.8
Expansion valves:
Non adjustable, internally equalized, one per evaporator.
Hot gas valves
: Pilot operated, line voltage coils. One per plate.
Condenser
: Upflow type with aluminum coils.
Headmaster:
Included with condenser.
Remote Systems:
Head pressure control valves in condenser. No check valves. Controller pumps unit
down by closing the liquid line valve and keeping the compressor on for a fixed time period at shut down.
High pressure cut out
. Shuts compressor off if discharge pressure is too high, automatic reset.
•
Cut out at 450 PSIG,
•
Cut in at 350 PSIG.
Evaporators:
Unified cell plate. Nickel plated copper. 18” tall.
Small cube = half dice, medium cube = full dice.
•
Small cube: 7/8" high x 7/8" deep x 3/8" high
•
Medium cube: 7/8" high x 7/8" deep x 7/8" high
November 2010
Page 11
C2648 Service Manual
