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UF424 / UN324 Technical Manual
September 2017
Page 7
Model
Electrical
(Volts/Hz/Phase)
Condenser
High Pressure
Switch (PSIG)
Refrigerant
Charge
(R-134a)
Ounces
Maximum Fuse Size
or Breaker (Amps)
Cut Out Cut In
UF424A-1A / UN324A-1A
115/60/1
Air
260
190
12
15
UF424W-1A / UN324W-1A 115/60/1
Water
260
190
12
15
UF424A-6A / UN324A-6A
230/50/1
Air
260
190
Model
Typical Watts
Typical Amps
Auger Motor Amps
Compressor Amps
UF424A-1A / UN324A-1A
560 - 690
6.3 - 7
1.1 - 1.4
5 - 5.8
UF424W-1A / UN324W-1A
540 - 575
6.1 - 6.7
1.1 - 1.4
5 - 5.8
UF424A-6A / UN324A-6A
Model
Condenser
70/50 Suction
Pressure
(PSIG)
90/70 Suction
Pressure
(PSIG)
70/50
Discharge
Pressure
(PSIG)
90/70
Discharge
Pressure
(PSIG)
UF424A-1A / UN324A-1A
Air
6 - 8
8 - 9
130-135
180 - 185
UF424W-1A / UN324W-1A
Water
6 - 8
6 - 8
135
135
Note: 70/50 and 90/70 refer to the air and water temperatures (in degrees F) the machine was tested in. All
field conditions are unique, but at temperatures near those listed a field machine will have similar results.
Operational Data