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SECTION VII

WIRING DIAGRAMS

This section is provided as an aid in under-
standing the electrical circuit of the Mar Flaker.

The Wiring Diagrams in this Section are:

Pag. 36-38 - Wiring Diagram - MAR 56-76-106-
126 WS and AS

Pag. 39-42 - Wiring Diagram - MAR 206-306
WS and AS.

WARNING - When conducting a continuity
check of the MAR Flaker:

1. Disconnect the main power source.

2. DO NOT use an incandescent lamp or

jumper wire, conduct all tests with a
voltohm-meter.

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Содержание MAR 106

Страница 1: ...60 1 Aut Sel Telefax 39 02 93550500 Direct Line to Service Parts Phone 39 02 93960350 Fax 39 02 93540449 Website www scotsman ice it E Mail scotsman europe scotsman it ISO 9001 Cert n 0080 SERVICE MAN...

Страница 2: ...t facilita te the accessibility to mechanical and electrical parts A console panel with lights monitoring water flow pressure and temperature operating refrigerant pressure and motors overloading fore...

Страница 3: ...PRINCIPLES OF OPERAZION HOW IT WORKS Ice maker 20 Electrical Refrigeration 21 22 23 Refrigerant charge 24 Mechanicals 24 Section IV ADJUSTMENT REMOVAL REPLACEMENT PROCEDURES Water regulator assy 25 A...

Страница 4: ...making capacity 500 450 400 350 300 250 200 Kg 24 h 38 C 32 27 21 15 C 10 21 32 38 o AIR COOLED MODELS WATER TEMPERATURE AMBIENT TEMPERATURE ICE PRODUCED PER 24 HRS 32 38 WATER COOLED MODELS 10 5 10...

Страница 5: ...LE ICE ice making capacity MAR 126 AIR WATER COOLED MODELS ice making capacity THICK SCALE ICE THIN SCALE ICE AIR COOLED MODELS 750 700 650 600 550 500 450 Kg 24 h 38 C 32 27 21 15 C o WATER TEMPERATU...

Страница 6: ...2 225 16 2 2 5 x 1 5 2 7 Steel 174 383 MAR 76 AS Air 2 5 21 2 5 5 x 1 5 2 7 Stainless 204 450 MAR 76 WS Water 2 5 300 21 2 5 5 x 1 5 2 7 Steel 201 442 MAR 106 AS Air 4 30 3 5 5 x 1 5 5 Stainless 221...

Страница 7: ...HINES WATER TEMPERATURE AMBIENT TEMPERATURE ICE PRODUCED PER 24 HRS 32 38 WATER COOLED MACHINES 10 5 10 21 1900 1800 1700 1600 1500 1400 1300 Kg 24 h 38 C 32 27 21 15 C DE 10 A 38 o WATER TEMPERATURE...

Страница 8: ...S Finish Cond Prod 400 V kg lbs MAR 206 AS Air 5 69 7 5 x 2 5 17 Stainless 374 824 MAR 206 WS Water 5 1200 72 7 5 x 2 5 10 Steel 369 813 MAR 306 AS Air 10 88 10 5 x 4 20 Stainless 383 844 MAR 306 WS W...

Страница 9: ...Page 9 Page 9 CONDENSER CAPACITY FAN MOTOR AIR FLOW 20 KW 17200 Kcal h 230 50 1 V 0 8 A 4320 m3 h MAR 306 REMOTE CONDENSER TECHNICAL SPECIFICATIONS...

Страница 10: ...age room which should have a minimum capacity of 2 3 the daily ice production Withawellinsulatedroomanddulysubcooled scale ice the limited losses of heat throught the walls of a properly designed room...

Страница 11: ...fill in all spaces including Model Number and serial Number taken from the aluminium plate located on the front of the Chassis base with Front Panel removed Forward the completed self addressed regis...

Страница 12: ...D line A check valve on this line will be required in some cases depending on local plumbing codes The recommended minimum water pressure is 1 bar 14 Psi Do not operate this unit with fresh water supp...

Страница 13: ...the refrigeration system warranty Inacrate separatedbytheunitcratearepacked 1 The air cooled condenser mounted on the platform base with the electrical junction box condensershround fanmotors fanprote...

Страница 14: ...r Insulate lines that be exposed to outside temperatures that will be below freezing for extended periods of time CAUTION Each coupling on the set of pre charged refrigerant lines the refrigerant fitt...

Страница 15: ...timer function takes place of the ice level control 8 ICE CHUTE Mar compact unit are supplied with its own ice chute In addition optional kits for various solutions are available on request 9 FINAL CH...

Страница 16: ...et system 1 Power supply line 2 Hand disconnect switch 3 Water supply line 4 Hand shut off valve 5 Water filter 6 Water supply in Run separate water inlet for condenser 7 Water drain line 8 Open trapp...

Страница 17: ...eady ON together 6 Observe immediately that evaporator drum rotates in the right direction namely toward the scraping blade 7 Meanwhile unit is under power KT1 relay compressor device is energized as...

Страница 18: ...ration d Check compressor oil level through sight glass Except MAR 56 76 106 126 11 On water cooled machine check the water flowing out from condenser to see if it is correct Cooling water flow is con...

Страница 19: ...13 Throughly explain the owner user the significant specifications of the MAR ice maker the start up and operation going through the procedure in the operating instructions Answer all questions about...

Страница 20: ...e inner serpentine and scrubbing with the jacket inner surface 2 PRINCIPLES OF OPERATION HOW IT WORKS The ice layer of the emerged cylinder sector has a fraction of time to solidify dry and eventually...

Страница 21: ...facing the unit front Failure to this may result in wrong rotation of evaporator drum with the risk of major damages to the system C Timer It will be mainly used to pre set the system operationtimeinr...

Страница 22: ...djustment to the left counterclockwise will increase the rate of flow which is controlled by the pressure in the evaporator When the compressor is not running the valve will remain closed as the low s...

Страница 23: ...ropertemperatureinorderthatthecontrol may cut out or may cut in respectively when its sensing bulb gets buried into the ice cone and when is freed from the ice This thermostat can be a valid control i...

Страница 24: ...changing the V belt be careful to adjust it for proper tension and alignement It should be snug not tight A way to roughly check belt tension is to apply a firm hand pressure in the middle of the lon...

Страница 25: ...E THIN ICE 1 Remove top front right panel and right side panels 2 Throughthefront bymeansofsocketwrench slightlyunloosetwoheadhexscrewsecuring the sleigh that supports the motor 3 Through the right si...

Страница 26: ...hroughly evacuate the System to remove moisture and non condensables B To replace the Water Regulator Assembly reverse the removal procedures 7 REMOVAL AND REPLACEMENT OF THE DRIER A To remove the Dri...

Страница 27: ...order to compress the spring 15 When the seal mechanism spring has been partially compressed fit the other two screws and full compress the spring by screwing down gradually the three tightening poin...

Страница 28: ...you encounter an excessive resistance in this It better to use a Puller 6 When gear box is cleared away from the wall where it is mounted pull it out from cylinder shaft B To install the Gear Box Asse...

Страница 29: ...ng and function of all the pressure controls also make sure that their corresponding lights will glow 8 Check drive motor operation Normal operating temperatures are about 60 C 160 C which is hot to t...

Страница 30: ...release it 8 Lift the water reservoir up for a while and bend it in order to dump contained liquid 9 Push water hose quick fitting ring to release the nylon tube and remove water sump from evaporator...

Страница 31: ...emical solution Be sure none falls into storage bin 3B CLEANING INSTRUCTION MAR 206 306 1 Disconnect power front the unit 2 Remove screws and top panel 3 Remove evaporator cover panel 12 Prepare a sol...

Страница 32: ...Plug IN the ice maker and let the unit in operation for about 10 minutes 9 Disconnect again unit from power 10 Repeat again 5 to dump reservoir from chemical solution and later rinse all parts by fres...

Страница 33: ...e broken and change fiber key V belt loose or broken Check Repair or replace The compressor runs but no Gear in gear box stripped Check and replace ice is made Pulley loose on motor shaft Repair Water...

Страница 34: ...ove unit to cooled above 40 C 100 F location Under or over charge of refrigerant Re charge with proper amount Closed AEV Adjust valve for correct refrigerant flow Faulty compressor valve plate Repair...

Страница 35: ...Wiring Diagrams in this Section are Pag 36 38 Wiring Diagram MAR 56 76 106 126 WS and AS Pag 39 42 Wiring Diagram MAR 206 306 WS and AS WARNING Whenconductingacontinuity check of the MAR Flaker 1 Dis...

Страница 36: ...Page 36 MAR 56 76 106 126 AS and WS WIRING DIAGRAM...

Страница 37: ...Page 37...

Страница 38: ...Page 38...

Страница 39: ...MAR 206 306 AS and WS WIRING DIAGRAM FIG 1 Page 39...

Страница 40: ...MAR 206 306 AS and WS WIRING DIAGRAM FIG 2 Page 40...

Страница 41: ...Page 41...

Страница 42: ...Page 42...

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