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Page 29

Page 29

MAINTENANCE & CLEANING & SANITATION INSTRUCTIONS

A SCOTSMAN Ice System represent a sizable
investment of time and money in any company’s
business. In order to receive the best return for
that investment, in MUST receive periodic
maintenance.
It is the USER’S RESPONSIBILITY  to see that
preferable, and less costly in the long run, to
avoid possible down time by keeping it clean,
adjusting it as needed and by replacing worn
parts before they can cause failure. The following
is a list of recommended maintenance that will
help keep your machine running with a minimum
of problems.
Maintenance and Cleaning should be scheduled
at a MINIMUM of twice per year while sanitation
once per month.

ICEMAKER

THE FOLLOWING MAINTENANCE SHOULD
BE SCHEDULED AT LEAST TWO TIMES PER
YEAR ON THIS ICEMAKER. CALL YOUR
AUTHORIZED SCOTSMAN SERVICE
AGENCY.

1.

Check and clean or service any optional

water treatment devices, if any installed.

2.

Clean water strainer.

3.

Check that the cabinet is level, in the side-

to-side and front-to-back directions.

4.

Clean/Sanitise the water system, evaporator

plate and sump assembly, using a solution ot Ice
Machine Cleaner/Sanitiser. Refer to CLEANING -
Icemaker.

NOTE:  Cleaning/Sanitising requirements
vary according to local water conditions and
individual user operation.
Continuous check of the clarity of ice cubes
and visual inspection of the water system
parts, evaporator plates and the sump
assembly before and after cleaning will indi-
cate frequency and procedure to be followed
in local areas.

5.

Check and tighten all bolts and screws.

6.

Check for water leaks and make corrections.

7.

Check the bin control to test shut-off.

Holding the evaporator deflector in open Position
for more that 30", shold cause the ice maker to
shut-off.
Once the evaporator deflector is released in its
closed position, the ice maker will restart.

8.

Check cube size, adjust if required through

setting screw of ice thickness control sensor.

9.

With unit out of operation, clean the

condenser using vacuum, cleaner, wisk broom
or brush.
Instruct customer to clean condenser frequently
DO NOT USE A WIRE BRUSH.

ICE STORAGE BIN

The interior liner of the bin is in contact with a food
product, ice, and should be cleaned and sanitised
regularly. Once a week sanitise it with a
commercial food grade sanitiser compling with
the manufacturer dilution.

CABINET EXTERIOR

Wipe clean unit and bin cabinet exterior with a
clean cloth or disposable paper wipers, soaked
in warm water with mild detergent solution.

CLEANING - Ice maker

WARNING - Ice Machine Cleaner contains
Phosphoric and Hydroxyacetic acids.
These compounds are corrosive and may
cause burns. If swallowed, DO NOT indu-
ce vomiting. Give large amounts of water
or milk. Call physician immediately. In
case of sxternal contact, flush with water.
KEEP OUT OF THE REACH OF CHILDREN.

1.

Empty bin of ice.

2.

Remove front panel.

3.

Wait till the end of the defrost/harvest cycle

then push the RESET BUTTON for 6-8 seconds.
The machine should stop with the blinking of the
Yellow LED (slow blink).

4.

Pour 100 cc on MV 12, 200 cc on MV 21-32

and 400 cc on MV 50 of Scotsman Ice Machine
Cleaner directly into the reservoir then push
again the RESET BUTTON for a while. The
water pump starts to operate with the fast blinking
of the Yellow LED.

NOTE: The P.C. Board will keep the machine
in Cleaning mode for 30 minutes. In case too
long the cleaning mode can be stopped by
pushing again the RESET BUTTON.

5.

After 20 minutes push  the RESET BUTTON

for a while. The P.C. Board put the machine in
automatic rinsing mode with the special blinking
(blink twice and repeat) of the Yellow LED.

Содержание MV 12

Страница 1: ...Page 1 Page 1 SERVICE MANUAL MV 12 MV 21 MV 32 MV 50 R 404 A VERSION Electronic modular cubers MS 1000 24 REV 03 00...

Страница 2: ...the electrician Electrical connections 13 START UP Start up 15 16 OPERATION Refrigeration during freeze 17 Water system 18 Refrigeration system during harvest 19 Water system 19 Control sequence 20 S...

Страница 3: ...periodic maintenance as outlined on page 29 of this manual ice making capacity 130 110 90 70 50 Kg 32 C 27 15 10 AIR COOLED MODELS WATER TEMPERATURE AMBIENT TEMPERATURE C 10 21 32 38 WATER COOLED MODE...

Страница 4: ...NS Water req lt 24 HR Model Basic electr amps Start amps watts Electric power cons Kwhx24 HR N of wires Amps Fuse 220 240 50 1 MV 12 AS Air 190 MV 12 WS Water 1200 MV 12 AS MV 12 WS 4 0 3 8 20 20 750...

Страница 5: ...c maintenance as outlined on page 29 of this manual ice making capacity 220 200 180 160 140 120 Kg 32 C 27 21 15 10 AIR COOLED MODELS WATER TEMPERATURE AMBIENT TEMPERATURE ICE PRODUCED PER 24 HRS C 10...

Страница 6: ...E SPECIFICATIONS Water req lt 24 HR Model Basic electr amps Start amps watts Electric power cons Kwhx24 HR N of wires Amps Fuse 220 240 50 1 MV 21 AS Air 380 MV 21 WS Water 1800 MV 21 AS MV 21 WS 6 5...

Страница 7: ...maintenance as outlined on page 29 of this manual ice making capacity 330 300 270 240 210 180 K g 32 C 27 21 15 10 AIR COOLED MODELS WATER TEMPERATURE AMBIENT TEMPERATURE ICE PRODUCED PER 24 HRS C 10...

Страница 8: ...Cond unit Finish Comp HP MV 32 MACHINE SPECIFICATIONS Water req lt 24 HR Model Basic electr amps Start amps watts Electric power cons Kwhx24 HR N of wires Amps Fuse 220 240 50 1 MV 32 AS MV 32 WS 9 0...

Страница 9: ...c maintenance as outlined on page 29 of this manual ice making capacity AIR COOLED MODELS AMBIENT TEMPERATURE ICE PRODUCED PER 24 HRS WATER COOLED MODELS AMBIENT TEMPERATURE ICE PRODUCED PER 24 HRS C...

Страница 10: ...nd unit Finish Comp HP MV 50 MACHINE SPECIFICATIONS Water req lt 24 HR Model Cubes per harvest 578 Full 1156 Half With water at 15 C WATER INLET WATER COOLED ONLY MV 50 AS MV 50 WS Basic electr 400 50...

Страница 11: ...190 the MV 21 32 stack onto SCOTSMAN bin model B 390 while the model MV 50 onto bin B 550 Refrigerant R 404 A Charge per nameplate rating STANDARD LEGS Furnished with storage bin Fourlegsscrewintomoun...

Страница 12: ...tears in the machine mounting gasket with food grade silicone sealant ICE MACHINE The use of a mechanical lift is recommended for lifting the uncrated icemaker onto the bin Remove front top and sides...

Страница 13: ...rompt reached Undersized wiring or unproperly installed electrical circuit will result in major problems and malfunctions Voltagevariationsshoudnotexceedtenpercent IMPORTANT All plumbing and electrica...

Страница 14: ...5 bar 7 Have the compressor holddown bolts been checked to be sure the compressor is snug on the mounting pads 8 Check all refrigerant lines and conduit lines to gard against vibration and possible fa...

Страница 15: ...so to avoid any possibility to such air cavitation NOTE Do not remove the evaporator deflector cover as it will cause the switching off of the machine at STORAGE BIN FULL 4 First freezing time will r...

Страница 16: ...ions about the ice maker by the owner and inform the owner himseft of the name and telephone number of the authorized service agency serving him NOTE To assure a correct operation of the machine the w...

Страница 17: ...ostatic expansion valve meters how much liquid refrigerant is to be allowed into the evaporator section of the refrigeration system This is determined by the temperature of the TXV sensing bulb locate...

Страница 18: ...orator cells Most of the water returns to the reservoir to be sucked back into the pump and repumped over the evaporator WATER SYSTEM A mechanical float valve is used to control the level of the water...

Страница 19: ...ing the harvest cycle the electric water drain valve is energized thereby opening the drain line All water remained in the reservoir at the end of freezing cycle is pumped out to the waste through the...

Страница 20: ...es 40 minutes At this point the unit initiates the defrost cycle The hot gas circulating into the evaporator serpentine causes a slight melting of ice cubes whichgetreleasedfromtheirmolds Onceentirely...

Страница 21: ...pressor amps will still decline as the machine freezes ice Disch Disch Suction Suction Amp Amp pressure pressure pressure pressure compr compr freeze freeze Beginning End Beginning End max min freeze...

Страница 22: ...ectors for the sensors switches condenser sensor BLACK two magnetic switches BLUE ice thickness sensor RED of two jumpers one J1 for the selection betweenmodelsMV21 32 onemagneticswitch and the model...

Страница 23: ...ining water from the sump reach in mineral salts 3 Compressor Contactor Located in the control box the compressor contactor functions to carry the compressor line current The contactor is wired to rec...

Страница 24: ...rom compressor 4 Isolate parts to be opened from rest of the system 5 Remove compressor mounting bolts Reverse to reassemble CONDENSER AIR COOLED 1 Removebothsidepanelsandremovescrews of condenser bra...

Страница 25: ...ke the frame of the evaporator plate The evaporator plate is now free To replace the evaporator plate reverse the removal procedures See nameplate Weight in proper charge of R 404 A in liquid phase WA...

Страница 26: ...rosting switch two on MV 50 F Led card G Electronic card H Fan motor one on MV 12 and MV 50 K Water pump L Water dischargue electrovalve M Gas electrovalve N Max pressure switch O Max pressure switch...

Страница 27: ...ration of fan motor s and condenser sensor Warning Red LIGHT ON Too high condensing pressure Check for correct operation of fan motor s No warning LED LIGHT ON P C Board inoperative Remove board and c...

Страница 28: ...lace Condenser dirty Clean Low water flow Check and repair Water cooled High air temperature Check temperature of air air cooled entering condenser Machine makes irregular ice Low water supply Check F...

Страница 29: ...openPosition for more that 30 shold cause the ice maker to shut off Once the evaporator deflector is released in its closed position the ice maker will restart 8 Check cube size adjust if required thr...

Страница 30: ...ellow LED 7 Pushing the RESET BUTTON for 6 8 seconds the machine restarts in the freezing cycle 8 Replace the evaporator cover deflector and front panel 9 Check the next batch of cubes to be sure all...

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