Scotsman NM1850R PARTS LIST

NM1850R SERVICE PARTS

This parts list contains the service parts and
wiring diagrams for this model. Check the model
number in question to be sure that it is
applicable to this parts list.

TABLE OF CONTENTS

Cabinet .............................................................................. 2

Refrigeration ....................................................................... 3

Water ................................................................................. 4

Gearmotor...........................................................................5

Evaporator .......................................................................... 6

Control Box......................................................................... 7

Remote Condenser ............................................................ 8

Wiring Diagrams ................................................................. 9

NM1850R SERVICE PARTS

November 2003

Page 1

NM1850R SERVICE PARTS

Cabinet Assembly

11

2

14

1

4

9

15

5

3

12

6

13

3

ITEM PART
NUMBER NUMBER DESCRIPTION

1 A34283-001 Back Panel, Painted
2 A32461-001 Top Panel, Painted

A32461-002 Top Panel, S.S.

3 A34038-001 Service Panel, Painted

A34038-002 Service Panel, S.S.

4 A33292-001 Right Side Panel, Painted

A33292-002 Right Side Panel, S.S.
5 03-0271-00 Speed Clip
6 15-0711-01 Emblem
7 03-1419-08 Screw
8 A34294-001 Front Panel, Painted

A34294-002 Front Panel, S.S.

7

10

8

ITEM PART
NUMBER NUMBER DESCRIPTION

9 A34287-001 Support
10 A34282-001 Base
11 03-1531-01 Screw
12 02-0836-00 Catch
13 A32435-001 Left Side Panel, Painted

A32435-002 Left Side Panel, S.S.

14 03-1404-12 Screw

15. A34286-001 Center Support

November 2003

Page 2

NM1850R SERVICE PARTS

Refrigeration System

NOTE: Compressors

have internal overloads.

1

2,3

6

4

7

8

5

3

2

9

14

15

16

17

ITEM PART
NUMBER NUMBER DESCRIPTION

1 12-2257-01 Liquid Line Valve
2 03-1406-13 Nut
3 03-1410-06 Washer
4 A32968-001 Receiver Brace
5 A31801-002 Receiver Mount
6 11-0446-23 Hi Pressure Cut Out
7 16-0761-01 Receiver
8 03-1645-01 Cap Screw
9 02-2426-02 Dryer
10 03-1405-20 Cap Screw
11 03-1407-07 Washer
12 18-2300-26 Sleeve

10

11

12

13

18

20

19

21

22

ITEM PART
NUMBER NUMBER DESCRIPTION

13 18-6800-01 Rubber Grommet
14 11-0422-22 Head Pressure Valve
15 16-0780-01 Thermo Expansion Valve
16 A32961-020 Insulation Kit for TXV
17 A34050-001 Suction Line
18 16-0560-00 Core

16-0563-00 Nut
19 A32890-020 Evaporator
20 18-8879-21 Compressor (1 Phase)

18-8879-22 Compressor (3 Phase)
21 18-2308-01 Crankcase Heater
22 18-2309-01 Clip

February 2004

Page 3

NM1850R SERVICE PARTS

Water System, Water Seal

16

15

21

22

26

20

25

14

20

19

23

24

2

1

27

7

3

28

17

12

11

10

4

5

8

8

6

9

18

ITEM PART
NUMBER NUMBER DESCRIPTION

1 03-1420-03 Cap Screw
2 A33101-022 Water Level Sensor
3 A32890-020 Evaporator
4 02-2936-01 Res. Cover
5 A32922-020 Float Assembly with pin,

housing seal, rubber seal, insert & float
6 A32929-020 Reservoir Assembly
7 A32777-001 Retaining Ring for Seal
8 16-0791-01 Half Union
9 16-0162-00 Strainer
10 13-0079-03 Tube, 6.5" req.
11 16-0670-02 Tee
12 02-0929-02 Water Seal
13 13-0868-01 Water Shed

13

ITEM PART
NUMBER NUMBER DESCRIPTION

14 A32050-001 Drip Pan

15 A27318-001 Water Inlet Fitting
16 03-1394-01 Pal Nut
17 13-0079-03 Res. Overflow, 8" req.
18 A3282-004 Drain Casting
19 13-0704-00 Gasket
20 02-2814-08 Clamps
21 13-0674-06 Evap. Drain, 14" req.
22 A33205-001 Plug
23 13-0674-06 Evap. Inlet Tube, 5" req.
24 16-0670-01 Tee
25 A33203-001 Tube, Preformed
26 13-0079-03 Drain Tube, 24" req.

27. 03-1417-13 Lockwasher
28 13-0230-00 Rubber Cap

02-2814-01 Clamp

November 2003

Page 4

NM1850R SERVICE PARTS

Gearmotor

1

2

*Note: Gearcase

Cover includes:

cover, output

shaft, key,

output gear, &

4

5

3

bearings

10

11

15

12

6

13

14

7

ITEM PART
NUMBER NUMBER DESCRIPTION

8

1 13-0868—01 Water Shed
2 A32379-029 Seal
3 no number End bell
4 A32379-026 Bolt
5 A32379-022 Gearcase Cover*
6 A32379-024 1st Gear and Bearings
7 A32379-023 2nd Gear and Bearings
8 A32379-021 Gasket

9

9 A32379-020 Gearcase
10 A32898-020 Centrifugal Switch, GE PSC

12-2430-24 Start swtich, Emerson

12-2430-44 Start switch, GE split phase
11 12-2430-22 Drive Motor-230v
12 12-1741-29 Rotor Bearing, GE PSC

12-2430-29 Rotor Bearing, Emerson

12-2430-49 Rotor bearing, GE split phase
13 A32379-028 Seal
14 A32379-027 Oil, 1 Container
15 122314-22 Capacitor, GE only
16 A33220-022 Complete Assembly 230v

A33220-030 Gearcase kit, no motor

November 2003

Page 5

Note: Bail clamp, PN

A34969-001 used

beginning Jan. 1991

NM1850R SERVICE PARTS

Evaporator,

Bin Controls

1

2

3

16

4

17

5

4

12

18

10

11

13

14

15

26

6

7

8

9

ITEM PART
NUMBER NUMBER DESCRIPTION

1. 02-2933-01 Hex Stud

2. A32891-001 Switch Assembly
13-0617-53 O-ring
12-2398-01 Manual reset swtich

3. 02-2930-01 Ice Chute Cover

4. A32963-001 Insulation Top (half)

5. 02-2926-01 Ice Chute Body

6. A33102-001 Insulation Collar Inside
A35419-020 Strap kit

7. 02-2929-01 Ice Chute Lower

8. A33117-020 Bin Controls Assy.

(set of 2)

9. A32930-001 Chute Gasket

10. 03-1405-52 Hex Cap Screw

11. 02-3001-01 Ice Sweep

12. 13-0871-01 Water Shed

13. 02-2978-01 Lip Seal

14. 02-3128-01 Breaker Cover

15. 13-0617-52 O-Ring

16. 08-0653-01 Auger Stud

19

21

24

8

25

29

23

17. 08-0654-01 Thrust Washer

18. A34559-020 Bearing

19. 02-2977-01 Lip Seal

20. no number

21. 13-0617-54 O-Ring

22. no number

23. 13-0617-45 O-Ring

24. 03-1544-08 Soc. Head Screw

25. A32900-020 Breaker
(includes 18 & 19)

26. 02-3003-01 Auger

27. A32890-020 Evaporator

28. 03-1420-03 Cap Screw

29. A32962-001 Insulation Bot. (half)

30. A32050-001 Drip Pan

31. 13-0704-00 Drip Pan Gasket

32. 13-0868-01 Water Shed

27

28

29

30

31

32

November 2003

Page 6

10

NM1850R SERVICE PARTS

Control Box

8

9

2

4

1

5

3

11

12

ITEM PART
NUMBER NUMBER DESCRIPTION

1 18-1901-48 Start Capacitor

18-4300-50 Start Capacitor Cap.

2. 18-2200-39 Start Capacitor Bracket
03-1638-04 Screw
03-1417-15 Lockwasher

3. A32872-001 Run Cap Bracket
03-1652-02 Bolt
03-0255-04 Wing Nut

4. 03-1638-03 Screw

5. 18-1902-45 Run Capacitor

6. 12-2469-02 Single Phase Contactor
12-0739-02 Three Phase Contactor

6

7

ITEM PART
NUMBER NUMBER DESCRIPTION

7 A37750-021 Circuit Board

8. 12-0426-01 Master Switch

9. 11-0420-23 Low Pressure Control
10 18-1903-46 Potential Relay

11. 12-2285-22 Transformer
12 no number Control Box Assy

NOT ILLUSTRATED

13. 12-2337-02 3 Pin Plug Assy
(Safety Circuit to Circuit Board)

14. 12-2340-01 4 Pin Plug Assy
(Transformer to Circuit Board)

Separate From The Control Box

15. 12-2070-04 Fan Motor Relay
(in a separate control box)

November 2003

Page 7

NM1850R SERVICE PARTS

Remote Condenser

RC1052-32A
ITEM PART
NUMBER NUMBER DESCRIPTION

1. 02-2628-01 Fan Guard

2. 18-6304-01 Fan Blade

3. 18-5301-01 Fan Motor

November 2003

Page 8

NM1850R SERVICE PARTS

Component Layout Diagram

208-230/60/1

November 2003

Page 9

NM1850R SERVICE PARTS

Schematic Diagram

208-230/60/1

USE COPPER CONDUCTORS ONLY THIS UNIT MUST BE GROUNDED

All Controls Shown in Normal Ice Making Mode.
Note: Dashed lines indicate field wiring which must be installed in accordance with the National Electric
Code Using a Minimum of 14 ga. awg. wire.

November 2003

Page 10

NM1850R SERVICE PARTS

Component Layout Diagram

208-230/60/3

Power Supply

See Nameplate for

Proper Voltage

Requirements and

Max Fuse Size.

All Power Leads

Must Be Fused

November 2003

Page 11

NM1850R SERVICE PARTS

Schematic Diagram

208-230/60/3

November 2003

Page 12