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CONTENTS
PAGE
I. SPECIFICATIONS --------------------------------------------------------------------------------------- 1
1. DIMENSIONS/SPECIFICATIONS --------------------------------------------------------------- 1
II. GENERAL INFORMATION --------------------------------------------------------------------------- 2
1. CONSTRUCTION ------------------------------------------------------------------------------------ 2
2. SEQUENCE OF OPERATION -------------------------------------------------------------------- 3
[a] ONE MINUTE FILL CYCLE -------------------------------------------------------------------- 3
[b] INITIAL HARVEST CYCLE --------------------------------------------------------------------- 3
[c] FREEZE CYCLE ---------------------------------------------------------------------------------- 3
[d] DRAIN CYCLE ------------------------------------------------------------------------------------ 3
[e] NORMAL HARVEST CYCLE ------------------------------------------------------------------ 4
3. CONTROL BOARD ---------------------------------------------------------------------------------- 6
[a] CONTROL BOARD LAYOUT ------------------------------------------------------------------ 7
[b] FEATURES ---------------------------------------------------------------------------------------- 8
[c] CONTROLS AND ADJUSTMENTS --------------------------------------------------------- 10
[d] CONTROL BOARD CHECK PROCEDURE ---------------------------------------------- 14
[e] CONTROL BOARD REPLACEMENT ------------------------------------------------------ 14
4. HARVEST CONTROL – THERMISTOR ------------------------------------------------------- 15
5. FLOAT SWITCH -------------------------------------------------------------------------------------- 16
[a] EXPLANATION OF OPERATION ----------------------------------------------------------- 16
[b] CLEANING ---------------------------------------------------------------------------------------- 16
[c] FLOAT SWITCH CHECK PROCEDURE -------------------------------------------------- 16
6. BIN CONTROL --------------------------------------------------------------------------------------- 17
[a] EXPLANATION OF OPERATION ----------------------------------------------------------- 17
[b] BIN CONTROL CHECK PROCEDURE ---------------------------------------------------- 17
7. SWITCHES -------------------------------------------------------------------------------------------- 18
[a] CONTROL SWITCH ---------------------------------------------------------------------------- 18
[b] SERVICE SWITCH ------------------------------------------------------------------------------ 18
III. TECHNICAL INFORMATION ---------------------------------------------------------------------- 19
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT ------------------------------------------ 19
2. WIRING DIAGRAM ---------------------------------------------------------------------------------- 20
3. TIMING CHART--------------------------------------------------------------------------------------- 21
KMD-210AB-HC ------------------------------------------------------------------------------------- 21
IV. SERVICE DIAGNOSIS ------------------------------------------------------------------------------ 22
1. 10-MINUTE DIAGNOSTIC PROCEDURE ----------------------------------------------------- 22
2. DIAGNOSTIC CHARTS ----------------------------------------------------------------------------- 24
[a] NO ICE PRODUCTION ------------------------------------------------------------------------ 24
[b] EVAPORATOR IS FROZEN UP ------------------------------------------------------------- 26
[c] LOW ICE PRODUCTION ---------------------------------------------------------------------- 27
[d] ABNORMAL ICE --------------------------------------------------------------------------------- 28
[e] OTHER --------------------------------------------------------------------------------------------- 28
V. REMOVAL AND REPLACEMENT----------------------------------------------------------------- 29
1. SERVICE FOR REFRIGERANT LINES -------------------------------------------------------- 29
[a] SERVICE INFORMATION --------------------------------------------------------------------- 29
[b] REFRIGERANT RECOVERY ----------------------------------------------------------------- 30
[c] REFRIGERANT REMOVAL ------------------------------------------------------------------- 30
[d] EVACUATION AND RECHARGE ----------------------------------------------------------- 30
2. WELDING REPAIR FOR R290 REFRIGERATION CIRCUIT ----------------------------- 31
3. COMPRESSOR --------------------------------------------------------------------------------------- 32
