Technical Specifications; Compressor Data; Refrigeration System - Follett Maestro Plus MC 425A Series Installation Manual

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Technical specifications

Refrigeration pressure data
§ Water regulating valve is factory set at 300 ±10 PSIG (2068.4 ± 69 kPA) head pressure.
§ Readings within 10% of table values should be considered normal.

Compressor data

Air-cooled
Ambient air temperature
Amperage
High-side pressure (psi)
Low-side pressure (psi)
Water-cooled
Condenser water
temperature
Amperage
High-side pressure (psi)
Low-side pressure (psi)
Locked rotor amps
Condenser water usage:
Gearmotor data
Gearmotor current
Locked rotor amps

Refrigeration system

Important: All service on refrigeration system must be performed in accordance with all federal, state and local laws
that pertain to the use of refrigerants. It is the responsibility of the technician to ensure that these requirements are
met.
R425 ice machine charge specifications
Model
E425 230 V, 50 Hz (air-cooled
C425 220 V, 60 Hz (air-cooled)
C/E425 water-cooled
4
MC_425A/W, MM_425A/W, MF_425A/W, _P425A/W Ice Machines
60 F/15.6 C
70 F/21.1 C
220 V
230 V
220 V
2.65
2.25
2.77
219
199
256
28
29
30
60 F/15.6 C
70 F/21.1 C
220 V
230 V
220 V
2.8
2.4
2.9
290
290
291
31
32
31
220 V: 19.6A
@70 F/70F: 0.26 gal/min
220 V/60 Hz
1.0A (nominal)
6.8A
80 F/26.7 C
230 V
220 V
230 V
2.36
2.89
2.46
233
293
266
31
33
33
80 F/26.7 C
230 V
220 V
230 V
2.5
2.9
2.5
291
292
292
32
32
33
230 V: 18.2A
@90 F/70F: 0.56 gal/min
230 V/50 Hz
1.3A (nominal)
Charge
13 oz
15 oz
9 oz
90 F/32.2 C
100 F/37.8 C
220 V
230 V
220 V
3.01
2.57
3.13
330
306
367
35
36
38
90 F/32.2 C
100 F/37.8 C
220 V
230 V
220 V
2.9
2.5
3.0
292
293
293
32
34
33
6.8A
Refrigerant type
R449A
R404A
R404A
230 V
2.68
346
38
230 V
2.6
294
34

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