Hoshizaki F043-809 KMD-410MWH - Manual (Page 3)

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CONTENTS PAGE
I. SPECIFICATIONS--------------------------------------------------------------------------------------- 1
1. SPECIFICATIONS----------------------------------------------------------------------------------- 1
[a] KMD-410MAH (air-cooled) --------------------------------------------------------------------- 1
[b] KMD-410MWH (water-cooled) ---------------------------------------------------------------- 2
II. GENERAL INFORMATION --------------------------------------------------------------------------- 3
1. CONSTRUCTION------------------------------------------------------------------------------------ 3
[a] KMD-410MAH ------------------------------------------------------------------------------------- 3
[b] KMD-410MWH ------------------------------------------------------------------------------------ 4
2. SEQUENCE OF OPERATION-------------------------------------------------------------------- 5
[a] ONE MINUTE FILL CYCLE -------------------------------------------------------------------- 5
[b] INITIAL HARVEST CYCLE--------------------------------------------------------------------- 5
[c] FREEZE CYCLE ---------------------------------------------------------------------------------- 5
[d] DRAIN CYCLE ------------------------------------------------------------------------------------ 5
[e] NORMAL HARVEST CYCLE ------------------------------------------------------------------ 6
3. CONTROL BOARD ---------------------------------------------------------------------------------- 8
[a] CONTROL BOARD LAYOUT------------------------------------------------------------------ 9
[b] FEATURES ---------------------------------------------------------------------------------------10
[c] CONTROLS AND ADJUSTMENTS ---------------------------------------------------------12
[d] CONTROL BOARD CHECK PROCEDURE ----------------------------------------------17
[e] CONTROL BOARD REPLACEMENT ------------------------------------------------------17
4. HARVEST CONTROL – THERMISTOR -------------------------------------------------------18
5. FLOAT SWITCH--------------------------------------------------------------------------------------19
[a] EXPLANATION OF OPERATION -----------------------------------------------------------19
[b] CLEANING ----------------------------------------------------------------------------------------19
[c] FLOAT SWITCH CHECK PROCEDURE --------------------------------------------------19
6. BIN CONTROL ---------------------------------------------------------------------------------------20
[a] EXPLANATION OF OPERATION -----------------------------------------------------------20
[b] BIN CONTROL CHECK PROCEDURE ----------------------------------------------------20
7. SWITCHES --------------------------------------------------------------------------------------------21
[a] CONTROL SWITCH ----------------------------------------------------------------------------21
[b] SERVICE SWITCH------------------------------------------------------------------------------21
III. TECHNICAL INFORMATION ----------------------------------------------------------------------22
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT ------------------------------------------22
2. WIRING DIAGRAM ----------------------------------------------------------------------------------23
3. TIMING CHART---------------------------------------------------------------------------------------24
4. PERFORMANCE DATA ----------------------------------------------------------------------------25
[a] KMD-410MAH ------------------------------------------------------------------------------------25
[b] KMD-410MWH -----------------------------------------------------------------------------------26
IV. SERVICE DIAGNOSIS ------------------------------------------------------------------------------27