Hoshizaki TM-500AAE Service Manual Download Page 3

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[f] COMPRESSOR ----------------------------------------------------------------------------- 15
[g] EVAPORATOR (DRUM) ------------------------------------------------------------------ 15
[h] CONDENSER -------------------------------------------------------------------------------- 15
[i] CONDENSER COOLING FAN MOTOR ----------------------------------------------- 16
[j] DRIER ------------------------------------------------------------------------------------------ 16
[k] SOLENOID VALVE ------------------------------------------------------------------------- 16
[l] THERMOSTATIC EXPANSION VALVE ----------------------------------------------- 16
[m] ACCESS VALVE -------------------------------------------------------------------------- 16
[n] RECEIVER TANK --------------------------------------------------------------------------- 16

6. ELECTRIC CIRCUIT ---------------------------------------------------------------------------- 17

[a] BASIC OPERATION ------------------------------------------------------------------------ 17
[b] TIMING CHART (Floor Mounting) -------------------------------------------------------- 18
[c] TIMING CHART (Fixed Mounting) -------------------------------------------------------- 19
[d] SEQUENCE ---------------------------------------------------------------------------------- 20
[e] OPERATION BOARD ---------------------------------------------------------------------- 33
[f] CONTROLLER BOARD ------------------------------------------------------------------- 33
[g] CAPACITOR - XY FILTER ---------------------------------------------------------------- 33
[h] BIN CONTROL SWITCH (Fixed Mounting Only) -------------------------------------- 34
[i] SPOUT SWITCH (Proximity Switch) ---------------------------------------------------- 34
[j] CRANKCASE HEATER ------------------------------------------------------------------- 34

7. OPERATION BOARD -------------------------------------------------------------------------- 35

[a] USER OPERATION ------------------------------------------------------------------------ 35
[b] SERVICE OPERATION -------------------------------------------------------------------- 36

8. PROTECTORS ---------------------------------------------------------------------------------- 37

[a] INDICATION ---------------------------------------------------------------------------------- 37
[b] PROTECTORS ------------------------------------------------------------------------------ 37

9. ERROR CODES --------------------------------------------------------------------------------- 39

10. PERFORMANCE DATA ---------------------------------------------------------------------- 41

[a] TM-500AAE (Thick Ice) -------------------------------------------------------------------- 41
[b] TM-500AAE (Thin Ice) ---------------------------------------------------------------------- 42

IV. SERVICE DIAGNOSIS ---------------------------------------------------------------------------- 43

1. NO ICE PRODUCTION ------------------------------------------------------------------------- 43
2. LOW ICE PRODUCTION ---------------------------------------------------------------------- 44
3. OTHERS ------------------------------------------------------------------------------------------- 45

V. REMOVAL AND REPLACEMENT OF COMPONENTS ----------------------------------- 46

1. SERVICE FOR REFRIGERANT LINES ---------------------------------------------------- 46

[a] SERVICE INFORMATION ----------------------------------------------------------------- 46
[b] REFRIGERANT RECOVERY ------------------------------------------------------------ 47
[c] EVACUATION AND RECHARGE ------------------------------------------------------- 47

2. BRAZING ------------------------------------------------------------------------------------------ 48
3. COMPRESSOR --------------------------------------------------------------------------------- 49
4. DRIER ---------------------------------------------------------------------------------------------- 50
5. EXPANSION VALVE --------------------------------------------------------------------------- 51
6. EVAPORATOR ASSEMBLY ----------------------------------------------------------------- 52
7. CONTROL WATER VALVE ------------------------------------------------------------------ 58