Hoshizaki ROX-20TB2-U service manual Contents

IMPORTANT

This manual should be read carefully before the unit is serviced or maintenance operations are performed. Only qualified service technicians should install, service, and maintain the unit. Read the warnings contained in this booklet carefully as they give important information regarding safety. Please retain this booklet for any further reference that may be necessary.

CONTENTS	PAGE
I. GENERAL INFORMATION --------------------------------------------------------------------------	5
1. SAFETY INSTRUCTIONS-------------------------------------------------------------------------	5
2. PRODUCT INFORMATION -----------------------------------------------------------------------	7
[a] FEATURES----------------------------------------------------------------------------------------	7
[b] MODEL NAME -----------------------------------------------------------------------------------	8
3. DIMENSIONS/SPECIFICATIONS ---------------------------------------------------------------	9
4. PERFORMANCE DATA --------------------------------------------------------------------------	10
II. TECHNICAL INFORMATION---------------------------------------------------------------------	11
1. PRINCIPLE OF ELECTROLYSIS--------------------------------------------------------------	11
2. CONSTRUCTION----------------------------------------------------------------------------------	14
[a] GENERAL ---------------------------------------------------------------------------------------	14
[b] MECHANISM -----------------------------------------------------------------------------------	16
[c] CONTROL BOX--------------------------------------------------------------------------------	17
3. WIRING DIAGRAM--------------------------------------------------------------------------------	19
4. WATER CIRCUIT ----------------------------------------------------------------------------------	20
5. FUNCTIONS AND OPERATION ---------------------------------------------------------------	21
[a] NORMAL MODE-------------------------------------------------------------------------------	21
[b] SHORT MODE ---------------------------------------------------------------------------------	21
[c] ADJUSTMENT MODE------------------------------------------------------------------------	21
[d] CHECK MODE ---------------------------------------------------------------------------------	22
III. SERVICE INFORMATION------------------------------------------------------------------------	27
1. ERROR CODES -----------------------------------------------------------------------------------	27
2. SERVICE DIAGNOSIS ---------------------------------------------------------------------------	27
3. FLOW RATE ADJUSTMENT--------------------------------------------------------------------	29
4. REMOVAL AND REPLACEMENT OF COMPONENTS----------------------------------	30
[a] ELECTROLYTIC CELL-----------------------------------------------------------------------	30

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