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Section 4
T40: Blast Chiller / Shock Freezer Remote
Condesing Unit
Ambient Operating Limits: -20°F to 120°F
NOTE: The Delfield Blast Chiller/Shock Freezer is wired
independently of the remote condensing unit. No
interconnecting wiring is required between the blast
chiller and the condensing unit. All condensing units have
crankcase heaters. Condensing unit control systems are
provided wired from the factory. Field connection is made
by connection supply power to the compressor contactor.
Refrigerant
Compressor and Wiring
Control System
Compressor Reliability
Flow Control
Part Number: 9294045 07/19
Outdoor condensing unit applications require the use
of an optional UL listed hood, Delfield P/N CUHOOD, for
protection from the elements. Water cooled units are not
recommended for outdoor installation. Interconnecting
piping, curbs or other mounting methods and refrigerant
are not included. Installation must be made by a qualified
refrigeration technician. Piping runs of greater than 100
feet require consultation with the factory.
Delfield Model #: T40CU
Compressor and Capacity
Condensing Unit Wiring
High Pressure Switch
Low Pressure Switch
Oil Pressure Differential Switch
Crankcase Heater
Condensor Capacity control
Reciever Capacity
Accumulator
Oil Separator
Oil Filter
404A
6HP Compressor
24,150 BTUH @ -32F, 90 amb, 102.2 Cond:
46,730BTUH @ -5F, 90amb 110.3 Cond.
208/230V/60Hz/3ph
Max Fuse size: 60A
Max Circuit Ampacity: 42.3A
Set Point: 450 pisg, 380 psig re-set
Set point: 25 psig, Range = 15in to 100psig
Sensotronic Oil Pressure Switch
65 watts
Head Pressure Control Set at 84F, 185psig
55.4lbs @ 90% liquid refrigerant fill (37.5lbs
max refrigerant charge)
500 Cubic Inch capacity
Yes
Yes
Troubleshooting
23
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