Service Manual
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Hoshizaki Manuals
Commercial Equipment
50.37 cu. ft. Solid Half Door Commercial Reach In Freezer
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Table Of Contents
Important Safety Information
I. General Information
A. Construction
B. Refrigeration Flow Chart
II. Sequence of Operation and Service Diagnosis
A. Sequence of Operation Flow Charts
1. Refrigerator
2. Freezer
B. Service Diagnosis
1. Refrigerator
2. Freezer
C. Control Module Check
D. Thermistor Check
E. Diagnostic Tables
III. Controls and Adjustments
A. Control Module
B. Temperature
1. Default Settings
2. Temperature Setpoint
3. Changing the Temperature Display Scale (°F or °C)
C. Defrost
D. Alarm Safeties
E. Safety Devices
F. Mullion/Perimeter Heater
IV. Refrigeration Circuit and Component Service Information
A. Service for Refrigerant Lines
B. Component Service Information
C. Door Reversal
V. Maintenance
VI. Preparing the Appliance for Periods of Non-Use
VII. Disposal
VIII. Technical Information
A. Electrical and Refrigerant Data
B. Wiring Diagrams
1. R1A/R2A/F1A-FG/FGCL/FGCR/FS/FSJ/FSL/FSLJ/HG/HS/HSL, PT1A-FG-FG/FS-FS/HS-HS
2. F2A-FG/FS/HG/HS
3. PT2A-FG-FG/FS-FS/HS-HS
4. R3A-FG/FGCL/FGCR/FS/FSCL/FSCR/HS/HG
5. F3A-FS/HS
6. DT1A-HS
7. DT2A-FS/HS
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3.
PT2A-FG-FG/FS-FS/HS-HS
5 to 12VDC
115 VAC
Glass Door LEDs Controlled Through
Control Module Light Switch.
Solid Door LEDs Controlled Through Door Switch.
*
* High-Pr
essure S
witch
Cut-out
360±
30
PSIG
Cut-in
249±1
0 PSIG
0
1
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