Hoshizaki KM-501MAH User manual

Hoshizaki
“A Superior Degree
of Reliability”
www.hoshizaki.com
Models
KM-501MAH
KM-501MWH
KM-501MRH
Modular Crescent Cuber
Hoshizaki America, Inc.
Number: 71254
Issued: 5-26-2006
PARTS LIST

2
CONTENTS
Auxiliary Codes ...................................................................................................................... 3
Note About Ordering Parts .................................................................................................... 3
Material Abbreviations ........................................................................................................... 4
A. Ice Cuber Assembly .......................................................................................................... 5
KM-501MAH ..................................................................................................................... 5
KM-501MWH ..................................................................................................................... 7
KM-501MRH ..................................................................................................................... 9
B. Refrigeration Circuit ......................................................................................................... 11
KM-501MAH .................................................................................................................... 11
KM-501MWH ................................................................................................................... 15
KM-501MRH ................................................................................................................... 19
C. Water Circuit .................................................................................................................... 23
KM-501MAH, KM-501MWH, KM-501MRH ..................................................................... 23
D. Control Box Assembly ..................................................................................................... 26
KM-501MAH, KM-501MWH, KM-501MRH ..................................................................... 26
E. Label Location ................................................................................................................. 28
KM-501MAH .................................................................................................................... 28
KM-501MWH ................................................................................................................... 30
KM-501MRH ................................................................................................................... 32
F. Pump Motor Assembly ..................................................................................................... 34
KM-501MAH, KM-501MWH, KM-501MRH ..................................................................... 34
G. Control Assembly ............................................................................................................ 35
KM-501MAH, KM-501MWH, KM-501MRH ..................................................................... 35
H. Accessories ..................................................................................................................... 36
KM-501MAH, KM-501MWH, KM-501MRH ..................................................................... 36

3
Auxiliary Codes
KM-501MAH R-1 January 2006
KM-501MWH R-1 January 2006
KM-501MRH R-1 January 2006
Note About Ordering Parts
Most assemblies cannot be ordered as complete units; parts in the assemblies generally
must be ordered separately.

4
Material Abbreviations
ALUMINUM
AL = Aluminum
COPPER
CU = Copper
PLASTIC
ABS = Acrylonitrile -butadiene - styrene
AC = Polyacetal
EVA = Ethylene vinyl acetate
PA = Polyamide = Nylon
PC = Polycarbonate
PE = Polyethylene
PES = Polyester
PETP = Polyethylene terephthalate = Tetlon
PP = Polypropylene
PS = Polystyrene
PTFE = Polytetrafluoroethylene = Teflon
PUR = Polyurethane
PVC = Polyvinyl chloride
RUBBER
VN = Vinyl Nitrile
EPDM = EP rubber
NBR = Nitrile butadiene rubber
NR = Natural rubber
NP = Neoprene
SI.R = Silicone rubber
SY.R = Synthetic rubber
EPH = Epichlorohydrin
STEEL
GS = Galvanized steel
SS = Stainless steel
PS = Plated steel
PAS = Primed steel
AUXILIARY CODE
K-0
Designates the year. "K" indicates the year 2000. Years progress or regress in alphabetical order.
"J" is 1999, "L" is 2001, "M" is 2002, and so on. The letters "I" and "O" were skipped.
Designates significant part changes within the same year for this model. Base is 0 and this number
advances for each change.
Example: P-1
"P" indicates 2004.
"1" indicates the first significant part change for 2004.

5
A. Ice Cuber Assembly
KM-501MAH
R-1
For Thermostat, see
Control Assembly
B
CD
E
1
2
3
4
5
6
7
8
9
10
11
13
12
14
15
16
17
18
17a
22
20
21 25
27
26
19
23
24
D1
15a
6a
7a
18a
27a
2a
3b
3a
14a
16a
28

6
Title: A. Ice Cuber Assembly Model: KM-501MAH
Index
No. Description
Material or
Model Number Part Number
Required Number
R-1
B Refrigeration Circuit - 1A0420A06 1
C Water Circuit HS-1204 1A0283A05 1
D Control Box Assembly - 2A2538A01 1
D1 T2 Screw 4×8 7P31-0408 4
E Label Location - 3A3996A01 1
1 Evap. Case HS-1010 1A0579G01 1
2 Base - 2A2146G06 1
2a FT Screw 4×8 7F31-0408 7
3 Frame - 3A2503G01 1
3a Truss Head Screw 4×8, SS 7C32-0408 1
3b Truss Head Screw 4×25, SS 7C32-0425 2
4 Square Washer BRASS 433537-02 1
5 Screw - Grounding BRASS 433304-02 1
6 Top Frame GS 332443-01 1
6a T2 Screw 4×8 7P31-0408 4
7 Side Frame GS 3A2782-01 1
7a T2 Screw 4×8 7P31-0408 2
8 Bulb Holder - 328919-01 1
9 Spacer - 443545-01 2
10 Thumbscrew SS, ABS 415949G10 2
11 Base Cover SS 321525G01 1
12 Top Insulation PP 215730G01 1
13 Front Insulation PP 215731G01 1
14 Side Panel (R) SS 2A2117G01 1
14a T2 Screw 4×8, SS 7P32-0408 1
15 Control Box Cover GS 3A2476-01 1
15a T2 Screw 4×8 7P31-0408 1
16 Front Panel SS 2A2244G02 1
16a Truss Head Screw SS, 4×8 7C32-0408 1
17 Louver (A) ABS 1A0547-01 2
17a Push Retainer - 4A2414-01 6
18 Barrier GS 4A0362-01 1
18a T2 Screw 4×8 7P31-0408 2
19 Deflector - 4A1951-01 1
20 Top Panel SS
(3A1890A01)
2A2133-01 1
21 Gasket PVC
(3A1890A01)
427014-04 2
22 Insulation PE FOAM
(3A1890A01)
438012-01 1
23 Air Filter (A) ABS 2A2062G01 2
24 Gasket L=554 4A0808L02 1
25 Gasket (A) (3A1890A01) 324859-03 1
26 Side Panel (R) – Base SS 2A2147-01 1
27 Barrier - Insulation GS 4A1167-01 1
27a T2 Screw 4×8 7P31-0408 2
28 Silicone Hose L = 390 7730I3812 1

7
A. Ice Cuber Assembly
KM-501MWH
R-1
For Thermostat, see
Control Assembly
B
C
D
E
1
13 12
15
6
23
21
19
20
18
5
4
7
14
2
22
11
3
8
9
10
24
16
17
D1
2a
3a
3b
6a
7a
14a
23a
15a
16a
25

8
Title: A. Ice Cuber Assembly Model: KM-501MWH
Index
No. Description
Material or
Model Number Part Number
Required Number
R-1
B Refrigeration Circuit 1A0680A03 1
C Water Circuit HS-1204 1A0283A05 1
D Control Box Assembly - 2A2538A02 1
D1 T2 Screw 4×8 7P31-0408 4
E Label Location - 3A3997A01 1
1 Evap. Case HS-1010 1A0579G01 1
2 Base - 2A2146G09 1
2a FT Screw 4×8 7F31-0408 7
3 Frame - 3A2503G01 1
3a Truss Head Screw 4×8, SS 7C32-0408 1
3b Truss Head Screw 4×25, SS 7C32-0425 2
4 Square Washer BRASS 433537-02 1
5 Screw - Grounding BRASS 433304-02 1
6 Top Frame GS 332443-01 1
6a T2 Screw 4×8 7P31-0408 4
7 Side Frame GS 3A2782-01 1
7a T2 Screw 4×8 7P31-0408 2
8 Bulb Holder - 328919-01 1
9 Spacer - 443545-01 2
10 Thumbscrew SS, ABS 415949G10 2
11 Base Cover SS 321525G01 1
12 Top Insulation PP 215730G01 1
13 Front Insulation PP 215731G01 1
14 Side Panel (R) SS 2A2117G01 1
14a T2 Screw 4×8, SS 7P32-0408 1
15 Control Box Cover GS 3A2476-01 1
15a T2 Screw 4×8 7P31-0408 1
16 Front Panel SS 2A2150G01 1
16a Truss Head Screw 33, 4×8 7C32-0408 1
17 Gasket L=554 4A0808L02 1
18 Gasket (A) (3A1890A01) 324859-03 1
19 Top Panel SS,
(3A1890A01)
2A2133-01 1
20 Gasket PVC,
(3A1890A01)
427014-04 2
21 Insulation PE FOAM,
(3A1890A01)
438012-01 1
22 Side Panel (R) – Base SS 2A2147-01 1
23 Barrier – Insulation GS 4A1167-01 1
23a T2 Screw 4×8 7P31-0408 2
24 Deflector - 4A1951-01 1
25 Silicone Hose L = 390 7730I3812 1

9
A. Ice Cuber Assembly
KM-501MRH
R-1
For Thermostat, see
Control Assembly
B
C
D
E
16
15
18
1
13 12
6
25
19
20
21
22
4
5
7
23
11
24 2
14
3
10
8
9
17
6a
25a
D1
2a
3a
3b
7a
14a
16a
15a
23a
26

10
Title: A. Ice Cuber Assembly Model: KM-501MRH
Index
No. Description
Material or
Model Number Part Number
Required Number
R-1
B Refrigeration Circuit - 1A0422A03 1
C Water Circuit HS-1204 1A0283A05 1
D Control Box Assembly - 2A2538A02 1
D1 T2 Screw 4×8 7P31-0408 4
E Label Location - 3A3998A01 1
1 Evap. Case HS-1010 1A0579G01 1
2 Base - 2A2146G07 1
2a FT Screw 4×8 7F31-0408 7
3 Frame - 3A2503G01 1
3a Truss Head Screw 4×8, SS 7C32-0408 1
3b Truss Head Screw 4×25, SS 7C32-0425 2
4 Square Washer BRASS 433537-02 1
5 Screw - Grounding BRASS 433304-02 1
6 Top Frame GS 332443-01 1
6a T2 Screw 4×8 7P31-0408 4
7 Side Frame GS 3A2782-01 1
7a T2 Screw 4×8 7P31-0408 2
8 Bulb Holder - 328919-01 1
9 Spacer - 443545-01 2
10 Thumbscrew SS, ABS 415949G10 2
11 Base Cover SS 321525G01 1
12 Top Insulation PP 215730G01 1
13 Front Insulation PP 215731G01 1
14 Side Panel (R) SS 2A2117G01 1
14a T2 Screw 4×8, SS 7P32-0408 1
15 Control Box Cover - 3A2476-01 1
15a T2 Screw 4×8 7P31-0408 1
16 Front Panel SS 2A2150G01 1
16a Truss Head Screw SS, 4×8 7C32-0408 1
17 Deflector - 4A1951-01 1
18 Gasket L=554 4A0808L02 1
19 Gasket (A) (3A1890A01) 324859-03 1
20 Top Panel SS,
(3A1890A01)
2A2133-01 1
21 Gasket PVC,
(3A1890A01)
427014-04 2
22 Insulation PE FOAM,
(3A1890A01)
438012-01 1
23 Junction Box Cover GS 433410-01 1
23a T2 Screw 4×8 7P31-0408 1
24 Side Panel (R) – Base SS 2A2147-01 1
25 Barrier – Insulation GS 4A1167-01 1
25a T2 Screw 4×8 7P31-0408 2
26 Silicone Hose L = 390 7730I3812 1

11
B. Refrigeration Circuit
1/2
KM-501MAH
R-1
9
8a
8
7a
7
11
12
14a
19
18
21
22
23
24
25
26
39
27 41
15a
14 15
10
3a
3
1a
1

12
B. Refrigeration Circuit
2/2
KM-501MAH
R-1
22a
44a
55c5b
5a 6
13 13a
17
16 17a
20
18
19
28 41
41
30
29
31 32
3433 35 35a 36
36
36
41
41
41
37
38
40

13
Title: B. Refrigeration Circuit Model: KM-501MAH
Inde×
No. Description
Material or
Model Number Part Number
Required Number
R-1
1 Condenser - 220491-01 1
1a T2 Screw 4×8 7P31-0408 2
2 Shroud GS 2A0606-01 1
2a T2 Screw 4×8 7P31-0408 2
3 Barrier GS 433693-04 1
3a T2 Screw 4×8 7P31-0408 2
4 Rear Panel GS 3A0562-01 1
4a T2 Screw 4×8 7P31-0408 3
5 Compressor AKA9455Z×A 4A1820-01 1
5a Bolt 8×45 437889-01 4
5b Spacer 027-0072-02 434404-01 4
5c Grommet 527-0039-04 434403-01 4
6 Motor Protector 8300MRAK30 4A1875-01 1
7 Fan Motor Bracket GS 327179-01 1
7a Hex Bolt Assembly (LF) 5×12, SS 7B0130512 4
8 Fan Motor U90B1,
7190-1031
4A3158-01 1
8a Self-locking Nut NO. 8-32 7N21I0832 4
9 Fan Blade AD10CW32 444898-01 1
10 Drier C-03E117 4A2666-01 1
11 Nylon Tie - 8911-0301 1
12 Expansion Valve HFE-10NHD-2 4A1414-01 1
13 Evaporator - 106492G01 1
13a T2 Screw 4×16, SS 7P32-0416 4
14 Valve Body - Hot Gas 70 4A3978-01 1
14a Bolt 4×6 4A3277F01 1
15 Coil - Valve 4A3277-01 1
15a Truss Head Screw 4×8 7C31-0408 2
16 Pressure Switch ACB-1UB09 433441-07 1
17 Pressure Switch Bracket GS 434938-01 1
17a T2 Screw 4×8 7P31-0408 1
18 Endcap - 4A2666F01 2
19 Access Valve - 457729-01 2
20 Copper Tube (A) - High Side COPPER 2A3851G01 1
21 Copper Tube (D) - High Side COPPER 3A4006G01 1
22 Strainer (included in
3A4006G01)
441569-01 1
23 Heat Exchanger - 2A3447G01 1
24 Elbow COPPER 417395-03 1
25 Copper Tube - Hot Gas COPPER 2A3435G01 1
26 Holder / Exp. Valve – 3/8 SS 3A0107-01 1
27 Clamp SS 443461-02 1
28 Expansion Valve Cover PE FOAM 3A0944-01 1

14
Title: B. Refrigeration Circuit Model: KM-501MAH
Inde×
No. Description
Material or
Model Number Part Number
Required Number
R-1
29 Thermistor - 429006-03 1
30 Holder - Thermistor COPPER 427430-01 1
31 Insulation - Thermistor (A) PE FOAM 439368-01 1
32 Insulation - Thermistor (B) PE FOAM 439368-02 1
33 Rubber Insulation (A) EPDM 3A1044-01 1
34 Rubber Insulation (B) EPDM 3A1045-01 1
35 Insulation Holder - 4A1550-01 1
35a T2 Screw 4×8, SS 7P32-0408 2
36 Insulation Tube L=40 7762-1020 3
37 Insulation Tube L=75 7762-1020 1
38 Insulation Tube L=220 7762-2040 1
39 Copper Tube Access Valve COPPER 3A3999G01 1
40 Wire Saddle VWS4238-C 4A0338-02 10
41 Cable Tie CV-200 (PLT-
2M)
8911-0200 13

15
B. Refrigeration Circuit
1/2
KM-501MWH
R-1
11a
22a 2b 2c 3
44a
56
47
9
89a
8a
12 13 13a
15
16
18
20
21
22
24
25
26
23
28
27
19
40
45
42a
41a
42
41
43 43a
17

16
B. Refrigeration Circuit
2/2
KM-501MWH
R-1
77a
10 11 11a
44
14
46
29
39
38
3635
34 36a
33
32
37
45
24
31
30 45
37
45
45
37
23

17
Title: B. Refrigeration Circuit Model: KM-501MWH
Index
No. Description
Material or
Model Number Part Number
Required Number
R-1
1 Rear Panel GS 2A1426-01 1
1a T2 Screw 4×8 7P31-0408 5
2 Compressor AKA9455ZXA 4A1820-01 1
2a Bolt 8x45 437889-01 4
2b Spacer 027-0072-02 434404-01 4
2c Grommet 527-0039-04 434403-01 4
3 Motor Proctector 8300MRAK30 4A1875-01 1
4 Condenser - Water-Cooled HS-0160 2A2359G01 1
4a Hex Bolt Assembly (LF) 5×10, SS 7B0130510 2
5 Drier C-03E 117 4A2666-01 1
6 Nylon Tie NYLON 8911-0301 1
7 Evaporator - 106492G01 1
7a T2 Screw 4×16, SS 7P32-0416 4
8 Valve Body - Hot Gas 70 4A3978-01 1
8a Bolt - 4A3277F01 1
9 Coil - Valve ABS-25-1-HD-2 4A3277-01 1
9a Truss Head Screw 4×8 7C31-0408 2
10 Pressure Switch ACB-2UB04 433441-05 1
11 Pressure Switch Bracket GS 434938-01 1
11a T2 Screw 4×8 7P31-0408 1
12 Male Connector - 4A1087-01 1
13 Water Regulator V46DA-5 4A0911-06 1
13a Truss Head Screw 4×6 7C31-0406 2
14 Copper Tube (A) - High Side COPPER 2A3851G01 1
15 Copper Tube (B) - High Side COPPER 3A2219-01 1
16 Copper Tube (C) - High Side COPPER 4A2682G01 1
17 Copper Tube (D) - High Side COPPER 3A4006G01 1
18 Strainer (Included in
3A4006G01)
441569-01
19 Copper Tube (E)-High Side COPPER 3A3541-01 1
20 Heat Exchanger - 2A3447G02 1
21 Elbow COPPER 417395-03 1
22 Copper Tube - Hot Gas COPPER 2A3430G01 1
23 Endcap 4A2666F01 2
24 Access Valve TCJ-
2F20NHDU-1
457729-01 2
25 Copper Tube (A) - Water Circuit COPPER 3A1251G01 1
26 Copper Tube (B) - Water Circuit COPPER 4A2681G01 1
27 Holder/Expansion Valve - 3/8 - 3A0107-01 1
28 Clamp SS 443461-02 1
29 Expansion Valve Cover PE FOAM 3A0944-01 1
30 Thermistor - 429006-03 1
31 Holder - Thermistor - 427430-01 1
32 Insulation - Thermistor (A) PE FOAM 439368-01 1
33 Insulation - Thermistor (B) PE FOAM 439368-02 1

18
Title: B. Refrigeration Circuit Model: KM-501MWH
Index
No. Description
Material or
Model Number Part Number
Required Number
R-1
34 Rubber Insulation (A) EPDM 3A1044-01 1
35 Rubber Insulation (B) EPDM 3A1045-01 1
36 Insulation Holder - 4A1550-01 1
36a T2 Screw 4×8, SS 7P32-0408 2
37 Insulation Tube L=40 7762-1020 4
38 Insulation Tube L=75 7762-1020 1
39 Insulation Tube L=220 7762-2040 1
40 Copper Tube – Access Valve - 3A3999G01 1
41 Valve - Bracket - 436893-01 1
41a T2 Screw 4×8 7P31-0408 2
42 Valve Body - Hot Gas - 4A3276-01 1
42a Bolt - 4A3277F01 1
43 Coil - Valve - 4A3277-01 1
43a Truss Head Screw 4×6 7C32-0406 2
44 Wire Saddle - 4A0338-02 9
45 Cable Tie CV-200 8911-0200 15
46 Elbow COPPER 417395-03 1
47 Expansion Valve HFE-10NHD-2 4A1414-01 1

19
11a
23
2a 2c
2b
4
6
88a
55a
77a
910
15
11
17
16
18 18a
19 19a
21 21a
20
22
20a
22a
30
29
28
27
25
24
31
32 33
47 48
47a
49
B. Refrigeration Circuit
(1/2)
KM-501MRH
R-1
26

20
B. Refrigeration Circuit
(2/2)
KM-501MRH
R-1
12 12a
14
13 14a
23
37 43
17
46
44
34 49
40 41 42 42a
45
38 39
35 36 37