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5.2 TROUBLESHOOTING BY SYMPTOM

Symptom

Possible Causes

Remedy

Unit not cooling

Shortage of refrigerant

4.4

Defrost cycle not terminated 4.16

Abnormal pressure

4.8 & 6

Hot gas solenoid valve

malfunction

4.12

Evaporator needs defrosting

Expansion valve bulb

improperly mounted

4.14

Expansion valve bulb making

poor contact

4.14

Expansion valve open too

much (too low superheat)

4.14

Expansion valve closed too

much (too low superheat)

4.14

Expansion valve capillary

eroded or leaking

4.14

Expansion valve partially

closed by ice or dirt

4.14

Restricted dryer

4.9

Evaporator fan not operating Check voltage

Compressor

Broken compressor belt

Too much oil 4.11.5

Broken valve plate

Liquid slugging

Compressor drive clutch defective

Defrost malfunction

Automatic defrost not

initiating

Defrost thermostat open or

defective

Hot gas solenoid valve malfunction

(4.12)

Defrost disabled by cab command

(3.6)

Manual defrost not initiating Microprocessor defective or

temperature not low enough for

initiation.

Defrost cycle initiates but

does not defrost

Hot gas solenoid valve malfunction

4.12

Frequent defrost

Wet load

Defrost setting too low 3.6 & 7

Unit not defrosting

Shortage of refrigerant

Hot gas solenoid valve malfunction

Bad electrical connections

Содержание Zer0 120

Страница 1: ...Zer0 120 0WSMZ120 Workshop Manual ...

Страница 2: ...Z120 Workshop Manual Print Order Code 0WSMZ120 Rev 2 Release Dates and Revisions 2 27 2018 Released 5 30 2018 Rev 2 Figures Specification Sub section 7 1 ...

Страница 3: ...from the installation of any Zanotti product or its mechanical failure The maintenance information in this manual cover unit models Z120 ALL VARIANTS For further information refer to Z120 Series Parts list WEB 0MDL176 C NSA PARAMETERS TABLE 0MDL178 C NSA Zer0 series Maintenance Schedule The information in this manual is provided to assist Authorized Zanotti Dealerships and Service Centers Recover ...

Страница 4: ...ow to allow us to make any necessary corrections or suggestions Manual Code Number Section and page Your name Company Name Phone Number Email Corrections or Suggestions Return to Zanotti Transblock USA Corp 1810 underwood Blvd Delran NJ 08028 Attn Service Department Email to OR T gostynski zanotti com ...

Страница 5: ...ing 14 3 2 2 Null 15 3 2 3 Defrost and Heat 16 3 2 4 Refrigeration Symbol Table 17 3 2 5 Defrost system 18 3 2 6 Manual defrost 18 3 2 7 Defrost relay 18 3 2 8 Defrost solenoid valve Hot Gas Solenoid Valve 18 3 2 9 Condenser Inlet valve 18 3 3 CONTROL SYSTEM 19 3 3 1 Description 19 3 3 2 Microprocessor module CPU Board 19 3 3 3 In cab controller 19 3 4 START UP 21 3 4 1 Starting 21 3 4 3 Weekly Pr...

Страница 6: ... 37 4 14 THERMOSTATIC EXPANSION VALVE 38 4 14 1 Expansion Valve Superheat Check Adjustment 39 4 14 2 Diagnosing Expansion valves 40 4 14 3 Replacing expansion valve 40 4 15 ADJUSTING THE CPR VALVE 40 4 16 TESTING DEFROST SYSTEM 41 4 17 STRUCTURAL MAINTENANCE 42 4 17 1 Unit Inspection 42 4 17 2 Evaporator Coil 42 4 17 3 Condenser Coil 42 4 17 4 Condensor Mounting Bolts 42 4 18 ELECTRICAL MAINTENANC...

Страница 7: ...ration Gauge Components 28 Figure 12 Vacuum Pump Connections 29 Figure 13 Refrigeration Gauge Connection 30 Figure 14 Sight Glass Inspection 32 Figure 15 Filter Drier 32 Figure 16 Nitrogen Test Setup 33 Figure 17 Compressor Oil Sight Glass 34 Figure 18 Solenoid Valve Components 36 Figure 19 Brazing Example 37 Figure 20 Expansion Valve Components 38 Figure 21 TXV location Drawing 38 Figure 22 Equal...

Страница 8: ...Use extreme caution when drilling holes in the unit The holes may weaken structural components and holes drilled into electrical wiring can cause fire or explosion 9 Use caution when working around exposed coil fins The fins can cause painfullacerations 10 Use caution when working with a refrigerant or refrigeration system in any closed or confined area with a limited air supply for example a vehi...

Страница 9: ...frigeration unit another person should always be standing by in the event of an accident to shut off the refrigeration unit and to aid a victim 5 Have electrically insulated gloves cable cutters and safety glasses available in the immediate vicinity in the event of an accident IMMEDIATE action must be initiated after a person has received an electrical shock Obtain immediate medical assistance if ...

Страница 10: ...ements listed below are applicable to the refrigeration unit and appear elsewhere in the manual These recommended precautions must be understood and applied during operation and maintenance of the equipment Beware of unannounced starting of the unit The unit may cycle the fans and compressor unexpectedly as control requirements dictate Press OFF key on the cab command Beware of V belt and belt dri...

Страница 11: ...frigerant R404a is a blend Charging as a vapor will change the properties of the refrigerant Only liquid charging is acceptable Observe proper polarity when installing battery Negative battery terminal must be grounded Under no circumstances should a technician electrically probe the processor at any point other than at the connector terminals where the harness attaches Microprocessor components o...

Страница 12: ...nting bolts 44 60 Compressor shaft seal plate M6 13 25 Compressor Crankcase M8 22 15 Belt Tension Condenser fan motor Condenser Fan Voltage Airflow CFM Full load current amp Z120 12V 554 4 5 13V Z120 24V 574 2 3 26V Evaporator fan motor Evaporator Fan Voltage Airflow CFM Full load current amp Z120 12V 484 5 9 13V Z120 24V 602 4 0 26V Solenoid Coils hot gas condenser Solenoid Coil Voltage Ohms Full...

Страница 13: ...Clean condenser and evaporator Check oil level on compressor Check defrost cycle drain tubes Check battery and its terminals Check refrigerant charge Check and clean electric connections Check tension of belts Maintenance B Replace brushes of D C motor Replace belts Check operation of evaporator and condenser fans Maintenance E Check voltage and current absorption of transformer rectifier electric...

Страница 14: ...lugged into a power receptacle the unit will show an alarm signal the 12 24 vdc motor cannot be started until the power cord is unplugged from the unit as the selection of road operation or standby operation is automatic 1 1 4 Receiver Liquid refrigerant from the condenser is delivered to the receiver The receiver serves as a liquid reservoir when there are surges due to load changes in the system...

Страница 15: ...8 Figure 1 Z120 Condensing Section Components ...

Страница 16: ...1 1 2 2 Evaporator coil The evaporator is of the tube and fin type The operation of the compressor maintains a reduced pressure within the coil At this reduced pressure the liquid refrigerant evaporates at a temperature sufficiently low enough to absorb heat from the air Air movement over the evaporator is provided by an electric fan 1 2 3 Defrost coil Coil lined under evaporator pan to defrost ic...

Страница 17: ...are energized the electric power for the unit changes from Battery Supply to Power Cord Supply Evaporator Fan Relay K8 When the Fan Relay is energized battery voltage energizes evaporator fan motors M8 M9 Condenser Fan Relay K5 When the Fan Relay is energized battery voltage energizes evaporator fan motors M5 M6 Defrost Relay K11 The Defrost Relay controls operation of the defrost cycle The Defros...

Страница 18: ...tactor K1 When plugged in on electric standy it is powered by the CPU board K1 is considered a power relay Start Relay KAV Allows start capacitor to be powered during startup When the Electric Standby Relay is energized it turns on the AC Motor of the electric standby motor to drive the compressor FS transformer fuse Two 2 Amp fuse FGS General protection fuse 100 Amp fuse Location can be on batter...

Страница 19: ...le Z120BBE00E model code has ten digits Character 1 Z zer0 range unit Character 2 3 4 120 unit model Character 5 B Drive Type Character 6 B Supply Version Category Value Definition A Road 12V B Road Standby 12V C Road multitemp 12V D Road Standby multitemp 12V E Road 24V F Road Stand by 24V G Road multitemp 24V H Road Standby multitemp 24V L Only standby 12V M Only standby 24V Value Definition B B...

Страница 20: ...res of the units itself Character 10 E r134a refrigerant Value Definition E R134a F R404a 2 2 DECIPHERING THE SERIAL NUMBER Example 1423134B Each machine has a unique 8 character serial number with seven numbers and ending with a letter Character 1 2 14 year of construction Character 3 4 23 week of production Character 5 6 7 134 progressive number Character 8 B identification letter for the modifi...

Страница 21: ...t to liquefy liquid refrigerant flows from the condenser to the receiver The refrigerant then flows through the filter drier where an absorbent keeps it dry and clean The refrigerant then flows through a sight glass with moisture indication The liquid then flows to the thermostatic expansion valve that regulates the flow rate of refrigerantintheevaporator to obtain maximum use of the evaporator he...

Страница 22: ...it is in null mode No relays are activated The motors fans compressors and solenoid are not activated The thermostat energizes the power relay KMC or K1 at boxtemperatures higher than set point The thermostat deenergizes the PR relay when it reaches the set point When PR is de energized the unit does not operate and the unit is in Null mode ...

Страница 23: ...ce between heating and defrosting is that when in heating mode the evaporator fans continue to run thus circulating the air throughout the compartment to heat the product When in defrost the evaporator fans stop thus allowing the heated vapor to defrost any ice build up on the coil The defrost cycle can be initiated any time the evaporator coil temperature is below 35 F Defrost is initiated automa...

Страница 24: ...Liquid Receiver Solenoid Valve N O N C normally open closed Condenser H P switch Evaporator Defrost Coil Filter Drier Fan motor Sight Glass Air Direction Expansion Valve DC Electric Motor Compressor Regulating Valve CPR AC Electric Motor Rotalock Valve 2 Cylinder Compressor ...

Страница 25: ...in the In Cab control box Pressing the manual defrost switch initiates the defrost cycle if the unit is in cool mode 3 2 7 Defrost relay The defrost relay controls operation of the defrost cycle When the defrost timercompletes the circuit the defrost relay is energized This energizes the defrost solenoid valve wire 26 and de energizes the fan relay The defrost relay stays energized until the defro...

Страница 26: ...ypad selections and viewed on the display 3 3 2 Microprocessor module CPU Board The microprocessor controls the following functions Maintains the box temperature at set point by regulating the cooling heat off mode and automatic defrost processes Sends digital signals to the in cab controller Stores parameters Stores fault codes Log run time hours Controls Relay function Senses safety devices 3 3 ...

Страница 27: ...is ON and cooling the ON LED Indicator the Unit Operation LED and Celsius Fahrenheit LED Indicator should be ON the return air box temperature should be displayed on the screen Symbol Definition 1 On OFF button to switch on off the unit press 3 sec The red LED lights up when the unit is on 2 SET button to adjust the working set point of the unit when the LED is on 3 Programming Button to access th...

Страница 28: ...p the refrigerating unit press the on off button or turn off the vehicle Operation in stand by mode Check that supply voltage corresponds to the one shown in the data plate tolerance 10 on nominal voltage then insert the plug Press the ON button for 3 seconds the operation and standby icons light up the red display showsthe cold room temperature and the yellow display thesetpoint Tostoptherefriger...

Страница 29: ...ad DO NOT block the evaporator inlet or outlet Products should be pre cooled before loading Transport refrigeration systems are designed to maintain loads at the temperature at which they were loaded Transport refrigeration units are not designed to pull hot loads down to temperature 3 4 6 Post Load Procedure Be sure all the doors are closed and locked Adjust the thermostat to the desired temperat...

Страница 30: ...Klixon the label F1t is displayed Reset is automatic If the number of interventions is more than a pre set parameter HTn during a time interval set by parameter HTd the alarm FtB is produced This alarm can only be reset by switching the unit off This alarm operates exclusively in electric standby mode E01 air return probe When the sensor doesn t return the proper input to the microprocessor the la...

Страница 31: ... for access iii Press SET 2 The Parameter will be displayed in yellow and its value in red 3 With UP and DOWN arrow buttons choose the desired parameter 4 Press SET to select the parameter 5 The Current value will flash and use the UP and DOWN arrow buttons to select a new value 6 Press SET again to store the value and proceed to the next parameter NOTE If no buttons are pressed for 5 seconds the ...

Страница 32: ...is reset when voltage sensor reaches the bt Pab Abd value Factory set is 0 8 for Abd bb Start delay after alarm Ab minute The time interval between battery alarm stop and unit resuming operation Factory set is 15 minutes tS Temperature measurement unit C or F Factory set is F NOTE Changing the Parameter tS does not automatically change the other parameter values if the units are in degrees EtM sta...

Страница 33: ...vals set by means of the parameters SEE stand by service interval Ser road mode service interval Service alarms are displayed when the value of the parameter rtP or EtP reaches the limit given by the parameters SEE or SEr If the value of the SEE or SEr is set to 0 the alarm display is disabled and corresponding counter EtP or rtP remainsat 0 The maintenance alarms SEE or SEr blink on the cab comma...

Страница 34: ... inspect service replace dryer filter annual inspect service 4 1 3 Structural visually inspect unit and refrigerant hoses for fluid leaks weekly monthly semi annual annual inspect service visually inspect unit for damaged loose or broken parts weekly monthly semi annual annual inspect service clean defrost drains weekly monthly semi annual annual inspect service inspect belts for condition and pro...

Страница 35: ...rn the service fitting knob clockwise which will press on the Schrader valve and open up the system to the gauge manifold 3 Repeat the procedure to connect the other side of the gauge set to the discharge access port 4 2 4 Removing the Manifold Gauge Set 1 While the compressor is still ON with Low Loss fittings Remove the discharge hose service fitting 2 Mid seat both hand valves on the manifold g...

Страница 36: ...ration system can have many undesirable effects The most common are copper plating acid sludge formation freezing up of the expansion valve by free water and formation of acids resulting in metal corrosion 4 5 1 Preparation 1 Evacuate and dehydrate only after pressure leak test Refer to section 4 4 2 Essential tools to properly evacuate and dehydrate any system include a good vacuum pump 5 cfm 8m ...

Страница 37: ...il all air is out and you start to see liquid refrigerant Tighten immediately once liquid refrigerant is seen This is a negligible amount of refrigerant 7 While unit is off open both gauge valves to allow refrigerant to enter the system until refrigerant equalizes Ensuring that you do not overcharge the unit initially Watch the weight scale 8 Close both gauge manifold valves and turn unit on 9 Slo...

Страница 38: ... system After evacuation back seat the receiver tank valve 4 8 CHECKING THE REFRIGERANT CHARGE If the unit has an insufficient charge of refrigerant the evaporator will be starved and the box temperature will rise even though the unit is operating Also an insufficient charge does not circulate enough oil to properly lubricate the compressor The charge may be determined by inspection of the refrige...

Страница 39: ...Checking Filter Drier Check for any obstruction of the filter drier by feeling the inlet and outlet connections of the liquid line on the filter cartridge If the temperature of the outlet connection seems lower than the temperature of the inlet connection replace the filter drier There is a metering effect because there is excess moisture or other contaminants trapped 4 9 2 Replacing the Filter Dr...

Страница 40: ...ch should be a closed line or circuit In working condition and incorrect operation of unit Overly high head pressure or Low suction pressure the switch should be a open line or circuit To test the pressure switch to see if calibration is off Preform the necessary steps below 1 Remove switch as outlined in paragraph 4 10 1 2 Connect ohmmeter across switch terminals Ohm meter will indicate resistanc...

Страница 41: ...compressor with oil in the oil fill port 4 Pressurize the system and test for leaks 5 Evacuate the system and recharge 4 11 3 System Compressor and Oil The compressor is mounted in the condenser section This oil lubricates all the components returns to the compressor for a while and again travels around the system 4 11 4 Adding extra oil to the system The location for adding oil in the compressor ...

Страница 42: ... If receiving power skip to step 6 2 No power and or ground at solenoid proceed with following steps 3 Follow schematic to relay board at pins 26 and NE beside it If you are receiving power and ground You have a break in the harness 4 No ground from board pin NE a Check connection and ohms from frame ground to NE b If Pin NE is not receiving a ground from the board replace board 5 No power from bo...

Страница 43: ...s valve B Run unit in cool for 15 minutes before hand Make sure unit does not defrost or heat Test temperature at defrost valve on IN and OUT piping The temperature should be relative to the surrounding area temperature If there is any icing or heat at these pipes There is an internal valve leak by Symptoms Instant High Discharge Pressure cooling mode Cause Stuck closed Condenser inlet valve 4 12 ...

Страница 44: ...cording to the type of braze you are using Note Most common brazing alloy is 15 PhosCopper Brazing Alloy along with hard flux Scotch pads and Oxide sanding paper will ensure you clean corrosion and burs from the metal Protect nearby items such as wiring harnesses plastics and other components of the refrigeration system Using a small piece of metal to cover immovable objects may protect it from th...

Страница 45: ... entering the compressor Unless the valve is defective it seldom requires any maintenance It is critical that superheat is correct after installation or repair Following the steps in 4 14 1 will ensure that the unit is now cooling correctly NOTE Perform all refrigeration tests first to ensure the correct amount of refrigerant and all refrigeration components are working correctly before any repair...

Страница 46: ...emperature This can be simulated by covering the condenser See Section 6 2 for pressure temperature chart i Reference chart 6 1 Vapor temperature pressure relationships to determine the saturation temperature corresponding to the reading from the evaporator outlet pressure j Note the temperature of the suctiongas at the expansion valve bulb Now that you have taken your measurements Convert your ev...

Страница 47: ... is 2 o clock 4 14 3 Replacing expansion valve k Remove refrigerant charge l Remove insulation from expansion valve bulb and then remove bulb from suction line m Loosen flare nut and disconnect equalizer line from expansion valve n The TXV bulb is located below the center of the suction line This area must be clean to ensure positive bulb contact Strap bulb to suction line and insulate both o Inst...

Страница 48: ...ment of the set screw due to vibrations in the unit Replace the cap The compressor must be protected this is the reason why the valve should be set at the maximum suction pressure to safely operatethe compressor CPR VALVE SETTING IS 29 PSIGG 4 16 TESTING DEFROST SYSTEM To test the defrost system run the unit on cool until the evaporator coil temperature is below 35 0 5 4 F and press the manual def...

Страница 49: ...med maintenances This operation can be performed using compressed air direct from the inside toward outside with the help of a soft bristle brush taking care not to damage the fins In the case the condenser coil presents residues non removable with the above described operations i e soil salts etc a washing could be advisable A suitable condenser cleaning solution can be purchased through Zanotti ...

Страница 50: ...ure unit must be in cool mode b Evaporator coil temperature must be lower than 2 0 3 0 C 36 0 5 0 F c Check parameters Temperature displayed is out of range a Check the thermostat sensor b Check parameters 4 18 2 Unit is not working in electric mode a Check the Thermomagnetic switch FM1 b Check fuse FR on the PC board c Check fuse FS d Check fuse FGR e Check voltage out the diode bridge on wires 4...

Страница 51: ... present check the electrolytic capacitor C if C is intact go to step 6 6 Replace PC board 4 18 4 DC Motor Maintenance 1 Check KMC relay If receiving power and output power check brushes on motor Skip to step Step 3 If its not receiving power skip to step 2 2 Check output of wire 29 and to KMC relay If receiving power to relay but not activating replace relay If not receiving power check FB fuse I...

Страница 52: ...of low charge FAULTY EXPANSION VALVE ADJUSTMENT High superheat settings will starve the evaporator causing low suction pressure Low superheat settings will flood the coil causing high suction pressure The superheat setting should be adjusted ONLY by a trained refrigeration service technician EXCESSIVE OIL Too much compressor oil in the system may result in lower than normal suction pressure as wel...

Страница 53: ...Replace the drier dry the system and recharge ICE ON THE EVAPORATOR COIL Note operation under DEFROST CYCLE AIR FLOW Do not load product directly in front of the air return or discharge Insure that the fan is operational COMPRESSOR LIFE The following will shorten the life of the compressor Operating a contaminated system Insufficient oil charge Wrong or mixed oil Lack of compressor lubrication on ...

Страница 54: ...by ice or dirt 4 14 Restricted dryer 4 9 Evaporator fan not operating Check voltage Compressor Broken compressor belt Too much oil 4 11 5 Broken valve plate Liquid slugging Compressor drive clutch defective Defrost malfunction Automatic defrost not initiating Defrost thermostat open or defective Hot gas solenoid valve malfunction 4 12 Defrost disabled by cab command 3 6 Manual defrost not initiati...

Страница 55: ...operates long or continuously Shortage of refrigerant Repair leak and recharge 4 4 Thermostat faulty Repair or replace Dirty condenser Clean condenser 4 17 Air in the system Evacuate and recharge system 4 3 4 5 4 6 Compressor inefficient Replace compressor Plugged expansion valve Clean expansion valve Iced or plugged coil Defrost or clean coil Defective vehicle body insulation Correct or replace T...

Страница 56: ...ols in defrost cycle Hot gas solenoid valve stuck open Loose or broken electrical connections Unit in vacuum Frost expansion valve only Ice plugging expansion valve Apply hot wet cloth to expansion valve Moisture indicated by increase in suction pressure Replace dryer Plugged expansion valve Clean expansion valve Expansion valve bulb Replace expansion valve Electric standby service checks Motor no...

Страница 57: ...ially closed by ice or dirt Hot gas solenoid malfunction High discharge pressure Refrigerant overcharge Remove excess charge Air in the system Evacuate and recharge system Dirty Condenser Clean condenser Restricted condenser Clean condenser Condenser fan not running Check fan motor No discharge pressure No refrigerant Broken compressor belt High suction pressure Broken valve plate in compressor Ex...

Страница 58: ... dryer Gauge out of calibration Evaporator fan not operating Compressor pressure regulating valve misadjusted Unit operating in vacuum Shortage of refrigerant Air through evaporator restricted Evaporator needs defrosting Expansion valve partially closed by ice or dirt Restricted line on the low side Restricted line on the high side Sight Glass empty No refrigerant Shortage of refrigerant Air throu...

Страница 59: ...nt entering the compressor Evaporator fan not operating Noisy Unit Overcharge of refrigerant No refrigerant Compressor Loose mounting bolts Worn bearings Worn or broken valves Liquid slugging Insufficient oil Too much compressor oil in system Loose compressor pulley Condenser or evaporator fan Bearings defective Fan loose on shaft or cover Air in refrigeration system Evaporator needs defrosting Ex...

Страница 60: ...e multiple signals the alarm PMS PMS is displayed which stops the unit completely Failure of condenser fans Dirty condenser of insufficient air flow Moisture in thecircuit Clean the condenser Check the condenser fan Check if there are no obstacles in front of the condenser such as to obstruct the proper air flow F1t FtB Electric motor protection only for stand by mode units Following a signal from...

Страница 61: ...ply only for stand by mode units This alarm is generated when there is power coming from the network and from vehicle battery This alarm stops the unit the display shows ALM ALM and The icons for standby and road mode flash simultaneously The ignition key is turned on when the plug is still connected The plug is connected when the vehicle is still on SEE SEr Maintenance Service interval alarm SEE ...

Страница 62: ...ns on the in can controller and CPU board Pof Pon Lock Unlock keyboard The abbreviation PoF PoF indicates that the keypad lock is active by simultaneously pressing the up down buttons for at least 5 seconds This message is displayed for three seconds every time the keypad is locked you try to Set the temperature Access on programming Switch off the control board To unlock the keyboard press the up...

Страница 63: ...54 5 120 22 5 14 9 60 56 9 124 3 20 3 8 16 3 62 59 6 128 8 18 2 2 17 7 64 67 4 133 3 16 0 7 19 2 66 55 1 137 9 14 0 3 20 7 68 67 9 142 7 12 1 22 3 70 70 7 147 5 10 1 8 23 9 72 73 8 152 5 8 2 7 25 6 74 76 9 157 6 6 3 6 27 3 76 80 1 162 8 4 4 5 29 1 78 83 2 168 1 2 5 4 30 9 80 86 4 173 5 0 6 3 32 8 82 89 9 179 1 2 7 3 34 8 84 93 5 184 7 4 8 4 36 8 86 97 190 5 6 9 4 38 9 88 100 6 196 5 8 10 5 41 1 90...

Страница 64: ...denser cover and or fan Use cardboard to restrict airflow through the condenser until the desired discharge pressure is reached and is stable Section 7 Parameter Values 7 1 Parameter Issues The parameter chart can be used for all Zero units with standard Dixell CPUs and Cab Controllers Determine what your unit has to follow the chart correctly Common Parameter issues tS Temperature measurement uni...

Страница 65: ...ntial for battery voltage alarm V 1 5 1 5 1 5 1 5 1 5 3 Abd Abd Differential for battery alarm V 0 8 0 8 0 8 0 8 0 8 1 5 tF 3 tF Standby clutch delay sec 5 5 5 5 5 bb bb Start delay after alarm Ab min 1 1 1 1 1 tS tS Temperature measurement unit flag F F F F f rES rES Display of integer decimal number flag de de de de de LPP LPP Input polarity of low pressure switch flag OP OP OP OP OP LPn LPn Num...

Страница 66: ... pre alarm V 0 7 0 7 0 7 0 7 0 7 1 5 Ab Ab Differential for battery voltage alarm V 1 5 1 5 1 5 1 5 1 5 3 Abd Abd Differential for battery alarm V 0 8 0 8 0 8 0 8 0 8 1 5 tF tF Standby clutch delay sec 5 5 5 5 5 bb bb Start delay after alarm Ab min 1 1 1 1 1 tS tS Temperature measurement unit flag f f F f f rES rES Display of integer decimal number flag de de de de de LPP LPP Input polarity of low...

Страница 67: ...roper polarity when installing battery negative battery terminal must be grounded Under no circumstances should a technician electrically probe the processor at any point other than the connector terminals where the harness attaches Microprocessor components operate at different voltage levels and at extremely low current levels Improper use of voltmeters jumper wires continuity testers etc could ...

Страница 68: ...24 YS ES YG ONLY FOR VERSION WITH HEATING OR DEFROST 10 FUSE F SS 20 F 6 20 F 8 AMP F R FB 5 5 10 15 15 5 5 AMP 12V 24V KMC 1 7 versione con sbrinamento ad aria standard per R134a version with air defrost standard for R134a NE RS GI BL 30 22 31 29 26 XW366K CH R 32 B 30 27 T3 T2 19 24 28 18 4 20 5 8 9 T1 K11 K5 K8 CPU FSS F6 F8 FR FB HOT KEY M DC P M DC M DC CAR BATTERY KMC 1 12 tttttttttt ttt NA ...

Страница 69: ...USE F SS 20 F 6 20 F 8 AMP F R FB 5 5 10 15 15 5 5 AMP 12V 24V M1 C1 C2 Y G 1 2 1 2 1 2 Y G 3MTR083 3MTR136 YS ES YG ONLY FOR VERSION WITH HEATING OR DEFROST NE RS GI BL 3 ROSSO 1 NERO 2 BIANCO 1 1 22 31 29 26 XW366K CH R 32 B 30 27 T3 T2 19 24 28 18 4 20 5 8 9 T1 K11 K5 K8 CPU FSS F6 F8 FR FB HOT KEY M DC P M DC M DC CAR BATTERY FM1 50Hz 30VA 115V 12V FS A1 A2 K1 tttttttttt ttt NA NC KMC 1 12 ttt...

Страница 70: ... 05 2016 Reggiani DRAW nr Approved Drawed Alaia MODEL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 DATE DESCRIPTION REVISION FIRST VERSION REV00 04 05 2016 INSERT FM1 COMPRESSOR THERMOMAGNETIC SWITCH REV01 26 07 2016 ADD EARTH S CONNECTION REV02 26 07 2016 ...

Страница 71: ...ELLOW GREEN OUTSIDE ELCTRICAL BOARD INSIDE ELCTRICAL BOARD STARTING MOTOR COMPONENTS R 145µF 175µF KAV R 56K 3W 1 2 2 5 80µF 2 BIANCO L CS WITH R STARTING CAPACITOR 10 B INSIDE ELCTRICAL BOARD KAV START REALAY B R B B BR 3 ROSSO Y 2 B 2 B 2 B 7 B 2 B 2 B L 6 B W 3 R 2 B G W R 1 NERO Y G Y G 3 R G W 3 R 6 B 1 B 6 B 3 M 22 31 29 26 XW366K CH R 32 B 30 27 T3 T2 19 24 28 18 4 20 5 8 9 T1 K11 K5 K8 CPU...

Страница 72: ...awed Alaia MODEL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 DATE DESCRIPTION REVISION FIRST VERSION REV00 04 05 2016 INSERT FM1 COMPRESSOR THERMOMAGNETIC SWITCH REV01 26 07 2016 ADD EARTH S CONNECTION REV02 26 07 2016 ADD CLIXON TK AND INSERT STARTING RELAY KAV FOR MOTOR M1 REV03 22 11 2017 ...

Страница 73: ...CONDENSER FAN FUSE YI INJECTION SOLENOID F8 F11 EVAPORATOR FAN FUSE YS DEFROST SOLENOID FFR STAND BY CLUTCH FUSE YG CONDENSER SOLENOID FGR ROAD CLUTCH FUSE YFH ROAD CLUTCH FS TRANSFORMER FUSE YFR STAND BY CLUTCH FGS ROAD GENERAL FUSE FB BATTERY INPUT FUSE FM1 FUSE FR MAINS INPUT FUSE FSS DEFROST SOLENOID FUSE FTS DEFROST END THERMOSTAT K1 M1 MOTOR CONTACTOR K11 DEFROST RELAY K2 REVERSAL M1 CONTACT...

Страница 74: ... where values were maintained in the best possible way with respect for all the inhabitants of the planet Once upon a time there was a Kingdom where service and loyalty to customers reigned Once upon a time there was a Kingdom and it s still here King of Cold W W W Z ANOT TI COM USA ...

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