Hoshizaki FM-170EE-50-HC, Service Manual

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CONTENTS
PAGE
I. SPECIFICATIONS -------------------------------------------------------------------------------------1
1. DIMENSIONS/CONNECTIONS ----------------------------------------------------------------1
[a] FM-170EE-HC, FM-170EE-HCN -----------------------------------------------------------1
[b] FM-170EE-50-HC, FM-170EE-50-HCN --------------------------------------------------2
2. SPECIFICATIONS ----------------------------------------------------------------------------------3
[a] FM-170EE-HC ----------------------------------------------------------------------------------3
[b] FM-170EE-HCN --------------------------------------------------------------------------------4
[c] FM-170EE-50-HC ------------------------------------------------------------------------------5
[d] FM-170EE-50-HCN ----------------------------------------------------------------------------6
II. GENERAL INFORMATION -------------------------------------------------------------------------7
1. CONSTRUCTION ----------------------------------------------------------------------------------7
2. OPERATION - How it works ------------------------------------------------------------------- 10
3. TIMER BOARD ------------------------------------------------------------------------------------ 11
[a] SOLID-STATE CONTROL ----------------------------------------------------------------- 11
[b] TIMER BOARD ------------------------------------------------------------------------------- 11
[c] SEQUENCE ----------------------------------------------------------------------------------- 12
III. INSTALLATION INSTRUCTIONS -------------------------------------------------------------- 15
1. UNPACKING --------------------------------------------------------------------------------------- 15
2. LOCATION ----------------------------------------------------------------------------------------- 16
3. INSTALLATION ----------------------------------------------------------------------------------- 17
4. ELECTRICAL CONNECTIONS --------------------------------------------------------------- 17
5. WATER SUPPLY AND DRAIN CONNECTIONS ----------------------------------------- 19
IV. OPERATING INSTRUCTIONS ----------------------------------------------------------------- 20
1. START UP ------------------------------------------------------------------------------------------ 20
2. PREPARING THE ICEMAKER FOR LONG STORAGE -------------------------------- 21
V. MAINTENANCE ------------------------------------------------------------------------------------- 22
1. PERIODICAL CLEANING ---------------------------------------------------------------------- 22
2. CLEANING OF WATER SYSTEM ----------------------------------------------------------- 24
VI. TECHNICAL INFORMATION -------------------------------------------------------------------- 28
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT --------------------------------------- 28
2. WIRING DIAGRAM ------------------------------------------------------------------------------ 29
3. TIMING CHART ----------------------------------------------------------------------------------- 30
[a] PRINCIPLE OF OPERATION ------------------------------------------------------------- 30
[b] PROTECTORS ------------------------------------------------------------------------------- 30
4. PERFORMANCE DATA ------------------------------------------------------------------------- 32
[a] FM-170EE-HC, FM-170EE-50-HC ------------------------------------------------------- 32
[b] FM-170EE-HCN, FM-170EE-50-HCN -------------------------------------------------- 33
VII. SERVICE DIAGNOSIS --------------------------------------------------------------------------- 34
1. NO ICE PRODUCTION ------------------------------------------------------------------------- 34