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Compressor replacement.

Note: If built in the unit will need to be pulled out.

1

Shut off water supply

2

Disconnect power supply or unplug unit

3

Uninstall unit and pull out as needed for side
and back access.

4

Remove all panels and door:

Back panel including drain and power supply
panels.

Side service panel

Kickplate

Top panel

5

Go through all steps to remove drain pump
and/or fan motor.

6

Remove drain hose from unit.

7

Obtain or make an 11" prop from 3/4" PVC or
similar.

8

Remove 2 screws (at back) holding base to
side panels

9

Remove screws holding strut to base

10 Remove screw holding left side panel to base

11 Loosen BUT DO NOT REMOVE

two screws at front holding side
panels to base

12 Lift back of unit up and support

with the 11" prop.

Note: Placing it over the leg leveler and next to the
strut works the best.

13 Add temporary refrigeration system access

valves to the discharge and suction sides of the
refrigeration system.

14 Recover the refrigerant.

15 Remove the four hair pins securing compressor

to chassis.

16 Disconnect wires, overload and and relay from

compressor.

17 Push back suction line insulation.

18 Unsweat the discharge and suction

connections at the compressor.

19 Remove the compressor from the unit.

20 Remove dryer from unit.

21 Attach permanent schrader access valves to

unit.

22 Attach dry nitrogen supply to access valves,

purge at about 1 lb pressure during brazing.

23 Install new dryer.

24 Install new compressor. Install at least 3 of the

hair pins to secure the compressor. The fourth
is optional.

25 Make all braze connections needed to seal

system.

26 Remove nitrogen supply. Evacuate system to

at least 300 microns.

27 Weigh in nameplate charge.

28 Reconnect all wires, components and panels

removed to access compressor.

29 Reinstall unit. Operate unit and test.

Page 20

GEMU090
Service

Step10

Strut

Prop

Содержание GEMU090 Series

Страница 1: ...Service Manual GEMU090 Series Ice O Matic 11100 East 45th Ave Denver Colorado 80239 P t N b 9081430 02 D t 9 11 Part Number 9081430 02 Date 9 11...

Страница 2: ...the electrical or water supply charges related to the replacement of non defective parts or components damage by fire flood or acts of God This warranty is valid only when installation service and pre...

Страница 3: ...em Page 4 Water System Page 5 Storage Page 6 Performance and Technical Specs Page 7 Electrical Sequence Page 8 Service Diagnosis Page 9 Service Diagnosis Page 10 Component Diagnostics Page 11 Ice Capa...

Страница 4: ...igerated stainless steel tube containing water and a slowly rotating auger When the water gets to the freezing point ice begins to form That ice is very soft and is pushed up the evaporator tube by th...

Страница 5: ...Evaporator and Auger Page 3 GEMU090 Service Cut Away View Stationary Half of Water Seal Rotating Half of Water Seal Heat Exchange Tube Coil Auger Ice Outlet Bearing Foam Insulation Water Inlet...

Страница 6: ...roller during ice making If the current is too high indicating an overload the controller will stop ice making If the current is zero indicating an auger motor failure the controller will also stop ic...

Страница 7: ...nt of ice and it enters this machine through the compression fitting in the back That leads to the float valve and reservoir When the float is not supported by water the float arm is down and the atta...

Страница 8: ...ic lined ice storage bin covered by an insulated top panel and an insulated swing open door with gasket The ice storage bin is foamed in place so the side panels are not removable Page 6 GEMU090 Servi...

Страница 9: ...uger motor restart window times there is no visible indication that the unit is in a restart mode Light Blink Information All blink once and repeat every 2 seconds Auger motor overload All blink twice...

Страница 10: ...system will stop the machine and cause the Check Water light to blink Red alerting the user of a lack of water When water has returned to the reservoir the unit will automatically restart Power interr...

Страница 11: ...ensor bypassed If auger motor still overloads replace gear reducer Compressor on auger on fan blade not turning Check fan blade for ease of rotation remove any blockage and retry Check fan motor repla...

Страница 12: ...estricted Check drain clear of restriction Ensure it has a proper air vent Pump drain slow Check for proper pump switch operation and drainage Scale on evaporator and auger Clean with scale remover Se...

Страница 13: ...but drawing high amps replace compressor Pump Switch Pump model only The pump switch activates the pump based on pressure to it from water inside the drain hose to the pump inlet It is normally open...

Страница 14: ...ooled condenser or fan blade All ice making capacities listed by Ice O Matic are for clean new machines The ice storage bin is not refrigerated it is an insulated ice chest so there is meltage A restr...

Страница 15: ...the evaporator tube That scale must be removed by use of ice machine scale remover using the process described in Maintenance Heavy scale build up will require the process to be repeated The inside of...

Страница 16: ...screws and lifting it out 8 Remove 2 orange wires from water level sensor on top of float tank 9 Rotate ice sweep counter clockwise and remove ice sweep 10 Lift and remove ice chute 11 Remove 4 screws...

Страница 17: ...ns of radial scoring 19 Remove 4 screws securing gearbox bracket to compartment base 20 Carefully lift and rest gearbox bracket against back of compartment lip 21 Remove four 5 32 allen head screws ho...

Страница 18: ...bottom of the evaporator tube until flush with the bottom of the tube Be sure it is in as straight as possible Note Do NOT touch the inner ring of the water seal with fingers or sealant Wipe off with...

Страница 19: ...ad screws holding breaker to evaporator 7 Lift breaker off and replace with a new part Note Be sure auger shaft is smooth and un damaged A dark finish at the bearing area is normal Replace auger if da...

Страница 20: ...ition 4 Loosen nut at water valve inlet and separate inlet tube from reservoir valve 5 Pull outlet hose off reservoir tank 6 Remove screws holding reservoir to unit and lift off 7 Reverse steps to rea...

Страница 21: ...an Blade or Motor 1 If equipped with drain pump follow all steps to remove pump 2 Unplug fan motor connection 3 Remove four screws holding fan motor brackets to shroud 4 Pull fan blade and motor from...

Страница 22: ...st 13 Add temporary refrigeration system access valves to the discharge and suction sides of the refrigeration system 14 Recover the refrigerant 15 Remove the four hair pins securing compressor to cha...

Страница 23: ...ucer and evaporator from unit or recover refrigerant and disconnect at evaporator Note If leaving evaporator gear reducer in unit have a helper support them while the cabinet is removed 17 Lift bin an...

Страница 24: ...Wiring Diagram...

Страница 25: ...Schematic Diagram...

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