Hoshizaki KM-100A [2/65] Contents

 CONTENTS

 PAGE

I. SPECIFICATIONS -------------------------------------------------------------------------------------1

1. DIMENSIONS/SPECIFICATIONS --------------------------------------------------------------1

[a] KM-100A ------------------------------------------------------------------------------------------1

[b] KM-100A (Australia / New Zealand model only) ----------------------------------------2

[c] KM-125A ------------------------------------------------------------------------------------------3

[d] KM-125A (Australia / New Zealand model only) ----------------------------------------4

II. GENERAL INFORMATION -------------------------------------------------------------------------5

1. CONSTRUCTION ----------------------------------------------------------------------------------5

[a] KM-100A, KM-125A ---------------------------------------------------------------------------5

[b] ICEMAKING COMPARTMENT -------------------------------------------------------------6

2. SEQUENCE OF OPERATION ------------------------------------------------------------------7

[a] ONE MINUTE FILL CYCLE ------------------------------------------------------------------7

[b] INITIAL HARVEST CYCLE ------------------------------------------------------------------7

[c] FREEZE CYCLE -------------------------------------------------------------------------------7

[d] DRAIN CYCLE ----------------------------------------------------------------------------------8

[e] NORMAL HARVEST CYCLE ---------------------------------------------------------------8

3. CONTROL BOARD ------------------------------------------------------------------------------ 10

[a] CONTROL BOARD LAYOUT ------------------------------------------------------------- 11

[b] FEATURES ------------------------------------------------------------------------------------ 12

[c] CONTROLS AND ADJUSTMENTS ------------------------------------------------------ 14

[d] CONTROL BOARD CHECK PROCEDURE------------------------------------------- 19

[e] CONTROL BOARD REPLACEMENT --------------------------------------------------- 20

4. HARVEST CONTROL - THERMISTOR ---------------------------------------------------- 20

5. BIN CONTROL ------------------------------------------------------------------------------------ 21

[a] EXPLANATION OF OPERATION -------------------------------------------------------- 21

[b] BIN CONTROL CHECK PROCEDURE ------------------------------------------------ 21

6. SWITCHES ---------------------------------------------------------------------------------------- 22

[a] CONTROL SWITCH ------------------------------------------------------------------------- 22

[b] SERVICE SWITCH -------------------------------------------------------------------------- 22

III. TECHNICAL INFORMATION -------------------------------------------------------------------- 23

1. WATER CIRCUIT AND REFRIGERANT CIRCUIT --------------------------------------- 23

2. WIRING DIAGRAM ------------------------------------------------------------------------------ 24

[a] PRODUCTION 2008 (Auxiliary Code: T-1, U-1) -------------------------------------- 24

[b] PRODUCTION 2009 (Auxiliary Code: U-1) OR LATER ---------------------------- 25

3. TIMING CHART ----------------------------------------------------------------------------------- 26

[a] KM-100A ---------------------------------------------------------------------------------------- 26

[b] KM-125A ---------------------------------------------------------------------------------------- 27

IV. SERVICE DIAGNOSIS ---------------------------------------------------------------------------- 28

1. 10-MINUTE DIAGNOSTIC PROCEDURE ------------------------------------------------- 28

2. NO ICE PRODUCTION ------------------------------------------------------------------------- 30

3. EVAPORATOR IS FROZEN UP -------------------------------------------------------------- 33

4. LOW ICE PRODUCTION ----------------------------------------------------------------------- 34