Vollrath Stoelting E111I, Service Manual

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5.1 REFRIGERATION SYSTEM
The E111 & F111 refrigeration systems have two functions:
Medium-Temperature - Maintaining product
temperature in the hopper.
Low-Temperature - Producing and maintaining
high quality soft serve in the freezing cylinder.
The system is designed for efficient use with R404A
refrigerant. The proper charge is indicated on the informa-
tion plate.
5.2 REFRIGERANT RECOVERY AND
EVACUATION
Refer to the following procedures to properly recover and
evacuate the refrigeration system. Do not purge refriger-
ant into the atmosphere.
SECTION 5
REFRIGERATION SYSTEM
NOTE
For qualified service personnel only. Anybody work-
ing with refrigerants must be certified as a Techni-
cian TYPE I as required by 40 CFR 82 Subpart F
and hold all State and/or local refrigerant handling
certifications. In addition, all handling, storage, and
disposal of refrigerants must be in accordance with
Environmental Protection Agency (EPA) guidelines
and standards and all State and local guidelines and
standards.
WARNING
Hazardous voltage
The Main Freezer Power switch must be placed in
the OFF position when disassembling for servic-
ing. The machine must be disconnected from elec-
trical supply before removing any access panel. Fail-
ure to disconnect power before servicing could re-
sult in death or serious injury.
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Figure 5-1 Water Cooled Refrigeration System