Refrigeration System (All Models) - Follett R425A/W Installation, Operation And Service Manual

Refrigeration system (all models)

All service on refrigeration systems must be performed in accordance with all federal, state and local laws. It is the
responsibility of the technician to ensure that these requirements are met. Recharging ice machine to other than
factory specifications will void the warranty.
Refrigeration system diagram
condenser
filter dryer
thermostatic
expansion
valve
Air-Cooled ice machine capacity/24hrs.
Ambient Air Temperature F/C
F 60 70
C 16 21
50
460 425
10 208 193
60
437.5 405
16 198 184
70
415 385
21 188 175
80 405 375
27
184 170
90 395 365
32
179 166
Note: Nominal values - actual production may vary by ±10%.
24 MCD425A/W, R425A/W, MFD425A/W, P425A/W Ice Machines
high side
service port
evaporator
high
pressure
vapor
80 90 100
27 32 38
390 355 320 lbs.
177 161 145 kg.
372.5 340 307.5 lbs.
169 154 139 kg.
355 325 295 lbs.
161 147 134 kg.
345 315 285 lbs.
156 142 129 kg.
335 305 275 lbs.
152 138 125 kg.
high pressure
switch
compressor
high low
pressure pressure
liquid
liquid
Water-Cooled ice machine capacity/24hrs.
Condenser Water Temperature F/C
F 50 60
C 10 16
50
486 465
10
220 211
60 464 445
16
210 202
70 443 425
21
201 193
80
422 406
27 191 184
90
400 385
32 181 175
low side
service port
low
pressure
vapor
70 80 90 100
21 27 32 38
443 422 400 389 lbs.
201 191 181 176
425 406 386 367 lbs.
193 184 175 166
408 390 372 358 lbs.
185 177 169 162
389 373 356 340 lbs.
176 169 161 154
371 356 341 326 lbs.
168 161 155 148
kg.
kg.
kg.
kg.
kg.