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KML-631MRH
Hoshizaki KML-631MRH Service Manual
77 pages
Manual
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Hoshizaki
“A Superior Deg
re
e
of Reliability”
www
.hoshizaki.com
Models
KMD-460MAH, MWH
KMD-530MAH, MWH, MRH
KML-250MAH, MWH
KML-351MAH, MWH
KML-451MAH, MWH
KML-631MAH, MWH, MRH
Modular Crescent Cuber with
"G" Control Board
Hoshizaki America, Inc.
SE
RV
ICE MA
NU
AL
Number: 73205
Issued: 5-7-2015
2
Table of Contents
Table of Contents
3
Important Safety Information
5
Construction and Water/Refrigeration Circuit Diagram
7
Construction
7
Air-Cooled (MAH)
7
Water-Cooled (MWH)
8
Remote Air-Cooled (MRH)
9
Water/Refrigeration Circuit Diagram
10
Air-Cooled Models (MAH)
10
Water-Cooled Models (MWH)
11
Remote Models (MRH)
12
Sequence of Operation and Service Diagnosis
13
Sequence of Operation Flow Chart
13
G" Control Board Without Harvest Pump Timer Operation
13
G" Control Board with Harvest Pump Timer Operation
14
Thermostatic and Mechanical bin Control Shutdown Operation
15
Service Diagnosis
16
G" Control Board Without Harvest Pump Timer Operation Diagnosis
17
G" Control Board with Harvest Pump Timer Operation Diagnosis
23
Control Board Check
30
Bin Control Check
31
Thermostatic bin Control Check
31
Mechanical bin Control Check and Cleaning
32
Float Switch Check and Cleaning
34
Float Switch Check
34
Float Switch Cleaning
35
Thermistor Check
36
Diagnostic Tables
37
No Ice Production
37
Freeze-Up
38
Low Ice Production
39
Controls and Adjustments
41
Control Board Layout
42
LED Lights and Audible Alarm Safeties
43
Settings and Adjustments
44
Default Dip Switch Settings
44
Harvest Timer (S4 Dip Switch 1 & 2)
45
Pump-Out Timer (S4 Dip Switch 3 & 4)
45
Pump-Out Frequency Control (S4 Dip Switch 5 & 6)
46
Harvest Pump Timer Operation (S4 Dip Switch 7)
46
Factory Use (S4 Dip Switch 8)
46
Freeze Timer (S4 Dip Switch 9 & 10)
47
Float Switch Selector (S5 Dip Switch 1)
47
Refill Counter (S5 Dip Switch 2, 3, and 5), Program Selector (4)
47
Switches
48
Control Switch
48
Service Switch
48
A) DRAIN
48
B) CIRCULATE
48
C) WASH
48
Refrigeration Circuit and Component Service Information
49
Refrigeration Circuit Service Information
49
Component Service Information
52
Water Regulating Valve Adjustment (Water-Cooled Model)
52
Maintenance
53
Preparing the Appliance for Periods of Non-Use
54
Disposal
56
Technical Information
57
Specification and Performance Data Sheets
57
Kmd-460Mah
57
Kmd-460Mwh
58
Kmd-530Mah
59
Kmd-530Mwh
60
Kmd-530Mrh
61
Kml-250Mah
62
Kml-250Mwh
63
Kml-351Mah
64
Kml-351Mwh
65
Kml-451Mah
66
Kml-451Mwh
67
Kml-631Mah
68
Kml-631Mwh
69
Kml-631Mrh
70
Wiring Diagrams
71
Operation with Thermostatic bin Control and Without Harvest Pump Timer
71
A) KML-250M_H, KML-351MWH, KML-451M_H
71
B) KML-631MAH, KML-631MWH
72
C) KML-631MRH
73
Harvest Pump Timer Operation with Thermostatic or Mechanical bin Control
74
A) KML-351MAH, KMD-460M_H, KMD-530M_H
74
B) KML-631MAH, KML-631MWH
75
C) KML-631MRH - C-1 to D-0 (no Crankcase Heater Relay)
76
D) KML-631MRH - D-1 and Later (Crankcase Heater Relay)
77
Other manuals for Hoshizaki KML-631MRH
Instruction Manual
40 pages
Cleaning & Sanitizing
2 pages
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Hoshizaki KML-631MRH Specifications
General
Model
KML-631MRH
Voltage
115V
Refrigerant
R-404A
Type
Modular Ice Maker
Ice Style
Crescent
Dimensions (W x D x H)
30" x 28" x 68"
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