IMPORTANT
This manual should be read carefully before the icemaker is serviced or
maintenance operations are performed. Only qualified service technicians
should install, service, and maintain the icemaker. 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. SPECIFICATIONS -------------------------------------------------------------------------------------1
1. SPECIFICATIONS ----------------------------------------------------------------------------------1
[a] KM-100A ------------------------------------------------------------------------------------------1
[b] KM-125A ------------------------------------------------------------------------------------------2
II. GENERAL INFORMATION -------------------------------------------------------------------------3
1. CONSTRUCTION ----------------------------------------------------------------------------------3
[a] KM-100A, KM-125A ---------------------------------------------------------------------------3
[b] ICEMAKING COMPARTMENT -------------------------------------------------------------4
2. SEQUENCE OF OPERATION ------------------------------------------------------------------5
[a] ONE MINUTE FILL CYCLE ------------------------------------------------------------------5
[b] INITIAL HARVEST CYCLE ------------------------------------------------------------------5
[c] FREEZE CYCLE -------------------------------------------------------------------------------5
[d] DRAIN CYCLE ----------------------------------------------------------------------------------6
[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 --------------------------------------------------- 18
4. HARVEST CONTROL - THERMISTOR ---------------------------------------------------- 18
5. BIN CONTROL ------------------------------------------------------------------------------------ 19
[a] EXPLANATION OF OPERATION -------------------------------------------------------- 19
[b] BIN CONTROL CHECK PROCEDURE ------------------------------------------------ 19
6. SWITCHES ---------------------------------------------------------------------------------------- 20
[a] CONTROL SWITCH ------------------------------------------------------------------------- 20
[b] SERVICE SWITCH -------------------------------------------------------------------------- 20
III. TECHNICAL INFORMATION -------------------------------------------------------------------- 21
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT --------------------------------------- 21
2. WIRING DIAGRAM ------------------------------------------------------------------------------ 22
[a] PRODUCTION 2008 (Auxiliary Code: T-1, U-1) -------------------------------------- 22
[b] PRODUCTION 2009 (Auxiliary Code: U-1) OR LATER ---------------------------- 23
3. TIMING CHART ----------------------------------------------------------------------------------- 24
[a] KM-100A ---------------------------------------------------------------------------------------- 24
[b] KM-125A ---------------------------------------------------------------------------------------- 25
i
