Service Manual
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Commercial Equipment
WR27B-D2 27" Steelheart Series Worktop Refrigerator with 6.22 cu. ft. Capacity, 2 Drawers, R290 Refrigerant and CFC Free Insulation in Stainless Steel
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Table Of Contents
Important Safety Information
I. Construction and Refrigeration Circuit Diagram
A. Construction
B. Refrigeration Circuit Diagram
II. Sequence of Operation and Service Diagnosis
A. Sequence of Operation Flow Chart
1. UR/WR: Refrigerator
2. SR: Refrigerator
3. UF/WF: Freezer
B. Service Diagnosis
C. Control Module Check
D. Thermistor Check
E. Diagnostic Table
III. Controls and Adjustments
A. Temperature Settings
B. Defrost
C. Safety Devices
D. Perimeter and Mullion Heaters (UF/WF only)
IV. Refrigeration Circuit and Component Service Information
A. Refrigeration Circuit Service Information
B. Component Service Information
V. Preparing the Appliance for Periods of Non-Use
VI. Disposal
VII. Technical Information
A. Electrical and Refrigerant Data
B. Wiring Diagrams
1. UR/WR27, UR/WR36, UR/WR48 (except glass door), and SR36
2. UF/WF27, SR27, and SR48
3. UR/WR48 (glass door), UR/WR60, and UR/WR72
4. UF/WF48, UF/WF60, SR60, and SR72
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2.
UF/WF27
,
SR27
,
and SR48
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