MDT5N25 & MTD5N40 SERVICE PARTS
This parts list contains the service parts and wiring
diagrams for this model. Check the model number
of the machine requiring the parts to be sure that
this is the correct parts list.
MDT5N25s & MDT5N40s have been made in 115
volt, 60 Hz and 230 volt 50 Hz.
Model numbers for the 115 volt models include:
MDT5N25A-1A and MDT5N25W-1A
MDT5N40A-1A and MDT5N40W-1A
MDT5N25A-1B and MDT5N25W-1B
MDT5N40A-1B and MDT5N40W-1B
Model numbers for the 230 volt models include:
MDT5N25A-6A and MDT5N25W-6A.
MDT5N40A-6A and MDT5N40W-6A
MDT5N25A-6B and MDT5N25W-6B.
MDT5N40A-6B and MDT5N40W-6B.
B series units have different water cooled
condensers.
TABLE OF CONTENTS
J series have different compressors from A or B
series but the same water cooled condensers as
the B series:
MDT5N25A-1J and MDT5N25W-1J
MDT5N40A-1J and MDT5N40W-1J
MDT5N25A-1J and MDT5N25W-1J
MDT5N40A-1J and MDT5N40W-1J
MDT5N25A-6J and MDT5N25W-6J
MDT5N40A-6J and MDT5N40W-6J
MDT5N25A-6J and MDT5N25W-6J
MDT5N40A-6J and MDT5N40W-6J
The two compressors are not interchangeable.
Cabinet Assembly .............................Page 2
Air Cooled Refrigeration ...........................Page 4
Water Cooled Refrigeration .........................Page 5
Ice Dispensing ..............................Page 6
Evaporator ................................Page 7
Gearmotor Assembly ............................Page 8
Control Box ................................Page 9
Water System ...............................Page 10
Wiring Diagrams ..............................Page 11
September 2010
Page 1
MDT5N25 & MTD5N40 SERVICE PARTS
Cabinet
14
14
46
12
43
3
27
14
5
14
39
7
27
10
40
29
29a
39
41
42
14
6
18
14
1
4
8
11
27
2
9
48
22
40
29b
29c
23
6
33
18
34
49
Item 29 changed Nov 2010. Item "Ref"
shows prior type.
30
32
38
24
37
36
13
45
35
25
17, 18
15
44, 44a
31
47
26
21
14
20
28
Ref
19
16
November 2010
Page 2
MDT5N25 & MTD5N40 SERVICE PARTS
Cabinet
MDT5N25
ITEM PART
NUMBER NUMBER DESCRIPTION
1 A32954-002 Back Panel, stainless
2 A37769-001 Top Panel, stainless
3 03-1419-16 Panel screw
4 A32938-015 Hanger Brace
5 A37768-022 Rt. side panel, stainless
6 A33113-002 Service panel, stainless
7 A32939-015 Front Brace
8 A32940-015 Support angle
9 A32949-015 Gearmotor Support
10 A32953-002 Rt. side lower, stainless
11 A32956-015 Upper plate assembly
12 A37768-021 Lt. side panel, ss
13 A37770-021 Up front panel, stainless
14 03-1531-01 Screw
15 A37790-021 Splash panel with labels
16 A34917-015 RH sink support
17 A34917-015 LH sink support
18 03-1419-17 Screw
19 02-2951-01 Grill
20 02-2944-20 Sink, gray
21 15-0808-01 Emblem
22 A32958-001 Lower frame assy
23 A32952-002 Lt side lower, stainless
24 12-2495-21 Touch free sensors
25 17-2830-01 Ice label, grey
26 17-2830-02 Water label, grey
27 03-1423-06 Speed nut
28 02-3365-01 Water chute
29 A39845-021 Ice Chute kit - for prior units
29a A39845-001 Bracket
29b 02-3944-01 Chute
29c 03-1531-01 Screw
30 12-1646-01 Solenoid Assembly (115v)
12-1646-06 Solenoid (230v)
31 12-2391-01 Key lock sw, Gov. Units only
32 A36762-001 Water line
33 16-1040-01 Tee union
34 16-1046-01 Connector
35 03-1734-01 Insert
36 03-1417-27 Lock washer
37 03-1733-01 Ball stud
38 19-0644-01 Insulation pad
39 no number Rivet
40 03-1733-02 Retainer
41 02-1874-05 Hole plug
42 02-1874-07 Hole plug
43 no number Bushing
44 13-0079-01 Hose, order 1
44a 02-2814-06 Hose clamp
45 A32235-001 Leg for Gov. Units
46 12-0346-00 Junction box
47 15-0803-01 Touch-Free label
48 Part of item 9
49 16-0643-00 Inlet adapter (half union)
MDT5N40
ITEM PART
NUMBER NUMBER DESCRIPTION
1 A33112-002 Back Panel, stainless
2 A37769-001 Top Panel, stainless
3 03-1419-16 Panel screw
4 A32938-015 Hanger Brace
5 A37787-022 Rt. side panel, stainless
6 A33113-002 Service panel, stainless
7 A32939-015 Front Brace
8 A32940-015 Support angle
9 A33107-015 Gearmotor Support
10 A32953-002 Rt. side lower, stainless
11 A32956-015 Upper plate assembly
12 A37787-021 Lt. side panel, ss
13 A37788-021 Up front panel, stainless
14 03-1531-01 Screw
15 A37790-021 Splash panel with labels
16 A34917-015 RH sink support
17 A34917-015 LH sink support
18 03-1419-17 Screw
19 02-2951-01 Grill
20 02-2944-20 Sink, gray
21 15-0808-01 Emblem
22 A32958-001 Lower frame assy
23 A32952-002 Lt side lower, stainless
24 12-2495-21 Touch free sensors
25 17-2830-01 Ice label, grey
26 17-2830-02 Water label, grey
27 03-1423-06 Speed nut
28 02-3365-01 Water chute
29 A39845-021 Ice Chute kit - for prior units
29a A39845-001 Bracket
29b 02-3944-01 Chute
29c 03-1531-01 Screw
30 12-1646-01 Solenoid Assembly (115v)
12-1646-06 Solenoid (230v)
31 12-2391-01 Key lock, Gov. units only
32 A36762-001 Water line
33 16-1040-01 Tee union
34 16-1046-01 Connector
35 03-1734-01 Insert
36 03-1417-27 Lock washer
37 03-1733-01 Ball stud
38 19-0644-01 Insulation pad
39 no number Rivet
40 03-1733-02 Retainer
41 02-1874-05 Hole plug
42 02-1874-07 Hole plug
43 no number Bushing
44 13-0079-01 Hose, order 1
44a 02-2814-06 Hose clamp
45 A32235-001 Leg for Gov. Units
46 12-0346-00 Junction box
47 15-0803-01 Touch-Free label
48 Part of item 9
49 16-0643-00 Inlet adapter (half union)
June 2014
Page 3
MDT5N25 & MTD5N40 SERVICE PARTS
ITEM PART
NUMBER NUMBER DESCRIPTION
1 02-4406-01 Insulation
2 11-0488-21 Thermo Expansion Valve
3 A39817-021 Suction Line for N25
A39819-021 Suction Line for N40
4 A33194-020 Evaporator
5 03-1405-41 Screw
6 18-8720-21 Compressor, 115v, 60 Hz
18-5700-50 Overload for 115v comp.
18-8720-26 Compressor, 230v, 50 Hz
J Series
Compressor
7 03-1406-10 Hex nut
8 02-3319-02 Dryer
9 18-2200-27 Mounting Sleeve
10 18-2200-28 Mounting Grommet
11 18-8850-01 Fan Motor, 115v 60 Hz
12 02-3359-01 Fan Bracket
13 11-0485-22 Hi Press. Cut Out
14 18-8859-01 Fan Blade
15 A33110-015 Fan Shroud
16 18-8847-01 Condenser
17 03-1645-01 Screw
18 16-0832-20 Access valve
Access valve change, November 2007
18a1 16-1137-01 Access valve seat
18a2 16-1139-01 Core
18a3 16-1140-01 Cap
18-5700-55 Overload for 230v comp.
18-8948-21 Compressor, 115/60
18-8948-50 Overload for 115 v comp
18-8948-22 Compressor, 230/50
18-8948-51 Overload for 230 v comp
18-8736-06 Fan motor, 230v, 50 Hz
16-0832-02 Stem cap
16-0832-03 Port cap
Air Cooled Refrigeration
A thru H series compressor
1
14
15
2
3
4
5
6
12
8
18
11
7
16
17
May 2012
Page 4
13
9
10
18a1
18a2
18a3
MDT5N25 & MTD5N40 SERVICE PARTS
ITEM PART
NUMBER NUMBER DESCRIPTION
1 02-4406-01 Insulation
2 11-0488-21 Thermo Exp. Valve
3 A39817-021 Suction Line for N25
A39819-021 Suction Line for N40
4 A33194-020 Evaporator
5 03-1405-41 Screw
6 02-3319-02 Dryer
7 03-1406-10 Hex Nut
8 18-2200-27 Mounting Sleeve
9 18-2200-28 Mounting Grommet
10 18-8720-21 Compressor, 115v 60 Hz
18-5700-50 Overload for 115v comp.
18-8720-26 Compressor, 230v, 50 Hz
18-5700-55 Overload for 230v comp.
J Series
Compressor
11 16-0832-20 Access valve
12 11-0485-22 High Press. Cut Out
13 11-0608-21 Water Reg. Valve
14 16-1154-22 Adaptor kit
15 16-1154-23 Adaptor kit
16 03-1405-17 Screw
17 03-1410-03 Lock washer
18 18-3305-25 Condenser for A series
Access valve change, November 2007
16a1 16-1137-01 Access valve seat
16a2 16-1139-01 Core
16a3 16-1140-01 Cap
18-8948-21 Compressor, 115/60
18-8948-50 Overload for 115 v comp
18-8948-22 Compressor, 230/50
18-8948-51 Overload for 230 v comp
18-8871-21 B - J series condenser
Water Cooled Refrigeration
1
A thru H series compressor
15
11
2
3
4
5
6
7
8
16a3
16a1
16a2
18
14
16
17
February 2014
10
9
12
13
Page 5
MDT5N25 & MTD5N40 SERVICE PARTS
Ice Dispensing
2
16
11
12
10
17
15
1
10
3
4
5
7
14
13
18
ITEM PART
NUMBER NUMBER DESCRIPTION
1 13-0866-01 Grommet, Bin Control
2 A34493-023 Bin top
3 A38033-001 SS clip
03-0255-00 Wing Nut
4 A34496-001 MDT5N25 Storage Bin
A34496-002 MDT5N40 Storage Bin
5 03-1406-09 Hex nut
03-1410-03 Lock washer
6 03-1531-01 Screw
7 A37803-001 Valve plate
8 12-2501-01 Switch (Touch Free off)
9 no number Wires
10 A37710-021 Ice Level Sensor (set)
ITEM PART
NUMBER NUMBER DESCRIPTION
11 A37268-001 MDT5N25 Bin vane (inc. #12)
12 02-3327-01 Bearing
13 12-2677-21 Bin Drive Motor (115v)
14 02-1971-00 Bracket
15 13-0747-00 Water Shed
16 A32657-001 Bin Bottom
17 A38033-001 Bin top bracket
18 12-0675-25 Fan blade
October 2008
Page 6
6
8
9
A37267-001 MDT5N40 Bin vane (inc. #12)
12-2677-26 Bin Drive Motor (230v)
15
16
MDT5N25 & MTD5N40 SERVICE PARTS
18a
19
17
8
Evaporator
2
4
6
1
3
5
7
9
21
20
ITEM PART
NUMBER NUMBER DESCRIPTION
1 03-1405-52 Hex Cap Screw
2 02-3001-01 Ice Sweep
3 13-0871-01 Water Shed
4 02-2978-01 Lip Seal
5 02-3128-20 Breaker Cover
6 13-0617-54 O-Ring
7 08-0660-01 Auger Stud
8 A35419-020 Strap kit
9 A34559-020 Bearing
10 02-2977-01 Lip Seal
11 13-0617-52 O-Ring
12 03-1544-08 Soc. Head Screw
13 A32900-020 Breaker - includes9&10
14 13-0617-45 O-Ring
15 A34969-001 Bail clamp
16 02-3268-01 Drain tube clip holder
17 02-2930-04 Ice Chute Cover
18 A32963-001 Insulation top (1/2)
18a A32963-002 Insulation top (1/2)
19 02-2943-01 Ice Chute Body
20 A33102-001 Insulation Collar Inside
21 A38071-021 Auger
22 A33194-020 Evaporator
23 03-1405-41 Screw
29
18
10
12
14
10
11
22
13
23
25
26
28
24 02-4358-01 Insulation wrap
25 same as item 24, use 1 per unit
26 02-3837-01 Drip Pan
27 13-0704-00 Drip Pan Gasket
28 02-4663-01 Water Shed
29 03-1408-26 Washer
24
Note: Water
seal shown
on page 10
27
October 2011
Page 7
MDT5N25 & MTD5N40 SERVICE PARTS
Gearmotor Assembly
1
8
*NOTE: GEARCASE
COVER INCLUDES
COVER, OUTPUT
SHAFT, KEY, OUTPUT
GEAR, BEARINGS AND
SEAL
2
9
10
3
4
5
11
ITEM PART
NUMBER NUMBER DESCRIPTION
1 02-4663-01 Water Shed
2 A32379-026 Bolts (pack of 6)
6
3 A32379-022 Gearcase Cover*
4 A32379-024 1st Gear and Bearings
5 A32379-023 2nd Gear and Bearings
6 A32379-021 Gasket
7 A32379-020 Gearcase
8 12-2430-24 Start Switch, Emerson
12-2430-44 Start switch, GE split phase
9 12-2430-21 Drive Motor 115 v
7
12-2430-22 Drive motor, 230v
10 12-2430-29 Rotor Bearing, Emerson
12-2430-49 Bering, GE split phase
11 A32379-027 Oil, 1 Container
12 A33220-021 Complete Assy 115 v
13 A33220-030 Gearcase kit, no motor.
14 03-1405-17 Bolt, case to chassis
15 03-1410-04 Washer for item 14
October 2011
Page 8
A33220-022 Complete assy, 230v
MDT5N25 & MTD5N40 SERVICE PARTS
Control Box
1
2
3
8
7
6
ITEM PART
NUMBER NUMBER DESCRIPTION
1 18-1902-68 Run capacitor, 115v, 60 Hz, A - H series
18-1902-64 Run capacitor, 115/60, J series
18-1902-65 Run capacitor, 230/50, J series
2 18-1901-49 Start Capacitor, 115v 60 Hz, A- H series
18-2200-35 Start capacitor, 230v. 50 Hz, A-H series
18-1901-65 Start capacitor, 115/60, J series
18-1901-66 Start capacitor, 230/50, J series
18-2200-38 Cap for start capacitor
3 A36141-001 Capacitor strap
4 12-2469-03 Contactor, 115v, 60 Hz
12-2469-02 Contactor, 230v, 50 Hz
5 12-2843-21 60 Hz (115v) circuit board
12-2843-26 50 Hz (230v) circuit board
5a 12-2499-01 Standoff for circuit board
6 18-1903-44 Potential Relay, 115v, 60 Hz, all series
18-1903-54 Potential Relay, 230v, 50 Hz, all series
7 12-1213-10 Bushing
8 12-2637-01 Switch
9 12-1213-12 Bushing
9
4
5
Not shown
10 A36146-001 Control box cover
11 12-2491-01 Harness, AC
12-2491-02 Harness, WC
October 2012
Page 9
MDT5N25 & MTD5N40 SERVICE PARTS
Water System
18
4
1
16
20
11
10
1
27
30
10
24
14
28
15
Changed 6/02
ITEM PART
NUMBER NUMBER DESCRIPTION
1 02-2814-08 Clamp
2 13-0840-01 Plug
3 A33101-022 Water Level Sensor
4 02-3266-03 Plunger/seat
5 02-3266-02 Float valve - top inlet
02-3371-02 Float valve elbow inlet
6 02-3266-01 Reservoir, top inlet
02-3371-01 Reservoir, elbow inlet
7 13-0674-06 Tubing
8 16-0670-01 Tee
9 13-0079-03 Tubing
10 13-0895-01 Plastic tubing, order by foot
11 16-1040-01 Tee union
12 13-0079-03 Drain Tube, MDT5N25 req.
39", MDT5N40 req. 46"
13 13-0674-06 Tubing
14 13-0079-01 Bin Drain Tube, req. 15"
15 02-3692-21 Drain Casting
16 16-1039-01 Male connector
10
9
17
9
12
20
8
August 2013
Page 10
26
3
5
21
1
7
1
13
1
8
2
13
25
23
31
1
32
30
19
6
29
22
17 16-0670-02 Tee
18 A37804-001 Reservoir bracket
19 16-0871-01 Brass insert
20 13-0679-01 Drain tube
21 03-1531-01 Screw
22 02-2814-07 Clamp
23 A32777-001 Retaining Ring
24 16-0835-01 Inlet fitting for plastic
25 02-0929-23 Water Seal
26 16-0670-04 Tee
27 02-3901-01 MDT5N40 drain tube,
replaces items 9, 12, 20, 26, 17 and 8
A38259-001 MDT5N25 drain tube,
replaces items 9, 12, 20, 26, 17 and 8
28 A38260-001 Reservoir inlet tubing
replaces items 13, 8 and 7
29 A36762-001 Water tube (SS) w/nut
30 16-1046-01 Female connector (to hose)
31 16-0643-00 Inlet adapter
32 16-0605-00 Outlet adapter
MDT5N25 & MTD5N40 SERVICE PARTS
SYS
L2
WATER
COIL
SOL.
MOT
BIN DRIVE
MOT
FAN
NTC THERMISTOR
KEY LOCK
SWITCH
(WHEN REQ`D.)
AIR COOLED
ONLY
POWER SUPPLY
DISABLE
SWITCH
P. C . B O A R D
HIGH
PRESS.
CONTACTOR
2
1
COIL
4
L1
MASTER
SWITCH
AUGER DRIVE
MOTOR
CONTACTOR
T1
CONTACTOR
T2
TX WATER
RX WATER
POTENTIAL
RELAY
1
TX BIN
COMPRESSOR
R
2
RX ICE
TX ICE
START CAP
RUN CAP
USE COPPER CONDUCTORS ONLY.
THIS UNIT MUST BE GROUNDED.
ALL CONTROLS SHOWN IN NORMAL ICE
MAKING MODE WITH ALL DISPENSING
TEMSINOPERATION.
S
RX BIN
C
POTENTIAL
RELAY
2
COIL
5
May 2001
Page 11
MDT5N25 & MTD5N40 SERVICE PARTS
MOT
BIN DRIVE
MOT
FAN
PIN LOCATION DETAIL
1
4
2
5
6
3
13
7
10
11
14
8
12
15
9
BN
BK
KEY LOCK
(WHEN REQ`D.)
BN
BK
SWITCH
1
BN
10
5
11
6
2
3
12
13
14
15
O
R
SOLENOID
WATER
O
V/W
V
W
BU
W
L1
CONTACTOR
POTENTIAL
RELAY
5
BU
T1
T2L2
1
R
2
O
BK
SWITCH
MASTER
BU
BU
START CAP
BK
BK
RUN CAP
Y
BK
Y
JUNCTION BOX
AUGUR DRIVE MOTOR
4
INTERNAL
1
OVERLOAD
2
SEE NAMEPLATE FOR
SUPPLY VOLTAGE
AND MAX. FUSE SIZE
CENTRIFUGAL
SWITCHING
START
RUN
RX
TX
H2O
H2O
RX
TX
ICE
ICE
RX
BIN
A37042-001
TX
BIN
A
WATER
SENSOR
NTC
RX/TX DISABLE
SWITCH
COM
NO
INTERNAL
PROTECTOR
RUN
START
BU
MOTOR
TERMINAL
BOX
C
S
R
COMPRESSOR
HI - PRESSURE
CONTROL
BK
R
SAFETY
BU
May 2001
Page 12
Page 13
MDT5N25 & MTD5N40 SERVICE PARTS
Wiring Diagram 230/50/1
November 2001
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