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KMD-270AA
Hoshizaki KMD-270AA Service Manual
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SER
VICE MANUAL
HOSHIZAKI
MOD
ULAR
CRESCENT
CU
BER
MO
DEL
KMD-201AA
KMD-201A
WA
KMD-270AA
KMD-270AWA
NO.
F049-817
ISSUED:
SEP
.30,2010
REVISED:
JUN.15,2012
Kälte-Berlin
Inh.: Christian Berg
Am Pfarracker 41
12209 Berlin
Fon: +49 (0) 30 / 74 10 40 22
Fax: +49 (0) 30 / 74 10 40 21
eMail: info@kaelte-berlin.de
Internet: http://www.kaelte-berlin.com
Direktlink Hoshizaki Crescent-Eisbereiter KMD201AA Bubble Tea zu Kälte-Berlin
2
Table of Contents
Table of Contents
2
Specifications
4
Dimensions/Specifications
4
[A] KMD-201AA (Air-Cooled)
4
[B] KMD-201AWA (Water-Cooled)
5
[C] KMD-270AA (50Hz) (Air-Cooled)
6
[D] KMD-270AA (60Hz) (Air-Cooled)
7
[E] KMD-270AWA (50Hz) (Water-Cooled)
8
[F] KMD-270AWA (60Hz) (Water-Cooled)
9
General Information
10
Construction
10
[A] KMD-201/270AA
10
[B] KMD-201/270AWA
11
Sequence of Operation
12
[A] ONE MINUTE FILL CYCLE
12
[B] INITIAL HARVEST CYCLE
12
[C] FREEZE CYCLE
12
[D] DRAIN CYCLE
12
[E] NORMAL HARVEST CYCLE
13
Control Board
15
[A] CONTROL BOARD LAYOUT
16
[B] FEATURES
17
[C] CONTROLS and ADJUSTMENTS
19
[D] CONTROL BOARD CHECK PROCEDURE
24
[E] CONTROL BOARD REPLACEMENT
24
Harvest Control - Thermistor
25
Float Switch
26
[A] EXPLANATION of OPERATION
26
[B] CLEANING
26
[C] FLOAT SWITCH CHECK PROCEDURE
26
Bin Control
27
[A] EXPLANATION of OPERATION
27
[B] bin CONTROL CHECK PROCEDURE
27
Switches
28
[A] CONTROL SWITCH
28
[B] SERVICE SWITCH
28
Technical Information
29
Water Circuit and Refrigerant Circuit
29
Wiring Diagram
30
[A] KMD-201AA, KMD-201AWA
30
[B] KMD-270AA, KMD-270AWA (50Hz)
31
[C] KMD-270AA, KMD-270AWA (60Hz)
32
Timing Chart
33
[A] KMD-201AA, KMD-201AWA
33
[B] KMD-270AA, KMD-270AWA
34
Service Diagnosis
35
Minute Diagnostic Procedure
35
Diagnostic Charts
37
[A] no ICE PRODUCTION
37
[B] EVAPORATOR IS FROZEN
39
[C] LOW ICE PRODUCTION
40
[D] ABNORMAL ICE
41
[E] OTHER
41
Removal and Replacement
42
Service for Refrigerant Lines
42
[A] SERVICE INFORMATION
42
[B] REFRIGERANT RECOVERY
43
[C] EVACUATION and RECHARGE
43
Brazing
44
Compressor
44
Drier
45
Hot Gas Valve
46
Expansion Valve
47
Evaporator
48
Water Regulating Valve - Water-Cooled Model Only
49
Adjustment of Water Regulating Valve - Water-Cooled Model Only
50
Fan Motor
50
Pump Motor
51
Water Valve
52
Drain Valve
52
Water Tank
53
Float Switch
54
Bin Control Switch
55
Thermistor
57
Control Box
58
[A] CONTROL & SERVICE SWITCH
59
[B] FUSE
59
[C] FUSE HOLDER
59
[D] CONTROL BOARD
60
[E] MAGNETIC CONTACTOR
60
[F] CONTROL BOARD TRANSFORMER
60
[G] STARTER
60
[H] RUN CAPACITOR
60
[I] START CAPACITOR
60
[J] CAPACITOR for PUMP MOTOR
61
Spray Tube, Water Supply Tube, Spray Guide
61
Cleaning and Maintenance Instructions
63
Cleaning
63
[A] CLEANING PROCEDURE
63
[B] SANITIZING PROCEDURE
66
Maintenance
66
[A] STAINLESS STEEL EXTERIOR
67
[B] STORAGE bin and SCOOP
67
[C] AIR FILTER (AIR-COOLED MODEL ONLY)
67
[D] CONDENSER (AIR-COOLED MODEL ONLY)
67
Preparing the Icemaker for Long Storage
67
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Instruction Manual
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Hoshizaki KMD-270AA Specifications
General
Condenser
Air-Cooled
Voltage
115V
Storage Capacity
80 lbs
Refrigerant
R-404A
Frequency
60 Hz
Phase
1
Production
270 lbs/24 hours
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