Cincinnati Sub-Zero ZP Series - CHAPTER 5 MAINTENANCE AND Q & A; Maintenance Schedule & Inspections

MAINTENANCE WITH Q & A
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CHAPTER 5: MAINTENANCE WITH Q & A
GENERAL MAINTENANCE
This chapter contains only general maintenance instructions that can be
performed outside the factory. More detailed maintenance instructions may be
found in the supplemental manuals included on the digital media in the manual
binder that shipped with your unit, (and, if applicable, the booklets in the rear
pocket). You may also contact the factory for instructions.
WARNING: Only qualified maintenance personnel should be permitted to
perform any maintenance procedures.
TEST EQUIPMENT REQUIRED
Table 5-1 is a list of the test equipment required to test and maintain the
chamber. Equivalent equipment may be used.
NOMENCLATURE
USE
Precision millivolt source
Millivolt source for use in calibrating analog inputs
Type "T" reference table
Reference table used for calibrating temperature inputs
Digital voltmeter
Measures voltage
Ammeter
Measures current
Two sets of manifold refrigeration gauges with
charging hoses
Monitoring refrigeration system pressures and connecting
purge/charge equipment to refrigeration system
One tank of HFC-404A (If Applicable)
Charging refrigeration system
One tank of R-410A (If Applicable)
Charging refrigeration system
One tank of R-508B (If Applicable)
Charging refrigeration system
One tank of R-23 (If Applicable)
Charging refrigeration system
Leak detector
Detecting leaks in refrigeration system
Ohmmeter
Continuity and resistance tests
Digital Clamp-on Ammeter
Reads current draw of electrical components including
heaters, compressors, etc
Table 5-1: Test Equipment Required
All loads must be removed
from the chamber prior to
transport and/or before
maintenance and servicing.
WARNING
Only qualified maintenance
personnel should be
permitted to perform any
maintenance or installation
procedures.
WARNING