Westric DW Series Installation, Operation And Maintenance Manual Download Page 43 | Manualshive

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76-1002-00

Page 43 of 48

Command and Safety. Electrical Circuit - Indoor Compressor - Matches with Power Circuit No. 15-
2336-05 with humidifier - No. 15-2493-01 without humidifier

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Summary of Contents for DW Series

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Page 3: ...012 8 Technical data sheet 10 Installation and Assembly 14 Checking of equipment upon receipt 14 Electrical connections 14 Recommended electrical data of wire sections 15 Missing phase under and overvoltage sensors 16 485 Communication 17 Maximum distances and diameters of copper tubing 18 Maintenance 21 22 Carel Controller Operation Manual 23 29 Humidifier failures 30 31 Auto Manual 32 Communicat...

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Page 6: ...operate under low outdoor temperature A pressure or temperature sensor controls gas conditions in the condenser coil and allows the electronic system to change the condenser blower speed Line Filter A molecular filter is installed in the liquid line filter to ensure the constant filtration and dehydrating of circulating coolant Air Filters 30 30 medium efficiency filters ensuring the cleanliness o...

Page 7: ...lay for motor and compressor contactors Abnormal power supply sensor Relative Humidity Sensor Temperature Sensor Auto Manual System Terminals Terminals allow connecting the panel to the elements of the unit and to the power supply input Contactors Each element of the system is controlled by the Controller through a contactor with a 24V coil Controller Each system is controlled by a dedicated contr...

Page 8: ...76 1002 00 Page 8 of 48 Dimensions of Indoor Units Top Air Outlet ...

Page 9: ...76 1002 00 Page 9 of 48 Dimensions of Indoor Units Bottom Air Outlet Front Return ...

Page 10: ...76 1002 00 Page 10 of 48 Dimensions of DW 008 UE DW 010 UE Outdoor Unit ...

Page 11: ...76 1002 00 Page 11 of 48 Dimensions of DW 012 UE Outdoor Unit ...

Page 12: ...300 EVAPORATOR UNIT WEIGHT Kg 230 300 CONDENSER WIDTH mm 1170 1170 CONDENSER HIGH mm 745 745 CONDENSER DEPTH mm 420 420 CONDENSER UNIT WEIGHT Kg 65 100 75 130 UNIT WEIGHT WITHOUT COMPRESSOR UNIT WEIGHT WITH COMPRESSOR COMPRESSOR CHARACTERISTICS TYPE HERMETICALLY SEALED QUANTITY No 1 CAPACITY Kwf 12 2 19 POWER DEMAND Kw 3 2 5 2 CURRENT Amp 6 5 9 9 START UP Amp 41 56 CHARGE OF R 410 A GAS Kg 3 6 4 6...

Page 13: ...TRONIC BRAND NAME WESTRIC MODEL CVTR ORIGIN ARGENTINA HIGH AND LOW PRESSURE SWITCHES RANGE HIGH Kg cm 2 20 26 LOW Kg cm 2 2 8 1 3 AIR FILTER MODEL 30 30 EFFICIENCY 30 ARRESTANCE 90 TYPE Disposable ELECTRIC BATTERY OPTIONAL STAGES N 1 VOLTAGE Volt 380 POWER DEMAND Kw 3 75 6 00 HUMIDIFIER OPTIONAL POWER DEMAND Kw 2 3 BRAND NAME CAREL INTELLIGENT CONTROLLER MODEL PCO 3 BRAND NAME CAREL ORIGIN Country...

Page 14: ...TCH YES NO YES AIR FLOW SWITCH YES NO YES LOW LINE SERVICE VALVES YES NO YES HIGH LINE SERVICE VALVES YES NO YES Humidifier Water Production Power Demand Power Supply Voltage Number of Phases Current 3 Kg h 2 25 Kw 380VAC 3 Ph 3 2 Inom A Types External Static Pressure mmca 0 2 4 8 10 12 14 18 20 Air Flow m 3 min DW 003 77 76 72 70 67 64 58 56 54 DW 005 90 89 84 81 79 78 72 68 65 Specifications sub...

Page 15: ...missing parts Notify the company in writing of any damage that might have been caused during transportation Check that all items supplied with the units are included in the packaging as well as the items needed for installation Bolts nuts cables silicone sealant etc Not provided Special supports for lifting Not provided Power supply connection Make sure the voltage to be supplied to the unit is th...

Page 16: ... or quadripole cable Two pole cable or two single pole cables Three pole or quadripole cable or three single pole cables Two pole cable Three pole or quadripole cable sq mm A A A A A A 1 5 14 13 17 15 19 16 2 5 20 17 23 21 26 22 4 26 23 31 28 35 30 6 33 30 40 36 44 37 10 45 40 55 50 61 52 16 60 54 74 66 82 70 25 78 70 97 84 104 88 35 97 86 120 104 129 110 50 103 146 125 157 133 70 130 185 160 202 ...

Page 17: ...t input power to the unit is not symmetrical Place the phases 3 x 380 in symmetry R S T reversing two phase inputs to the main switch If upon reversing both phases the power supply is not enabled you will have to check for 220V between Neutral and the three phases otherwise you must identify Neutral which cannot be mixed between phases and set the phases in SYMMETRY Then the protector will turn on...

Page 18: ...hich will require to connect a Standard RS485 communication cable Such cable has two poles wire braid and screen The cable must not run together with other cables along the same pipes or trays It should also be avoided the vicinity with high voltage or high current sources as well as fluorescent light lamps or any other source of electromagnetic induction Interconnection diagram ...

Page 19: ... TR 9 30 5 8 1 1 4 5 8 1 1 4 5 8 1 1 4 5 8 1 3 8 5 8 1 3 8 12 TR 9 30 5 8 1 1 4 5 8 1 1 4 5 8 1 1 4 3 4 1 3 8 3 4 1 1 2 15 TR 9 30 3 4 1 1 2 3 4 1 1 2 3 4 1 1 2 7 8 1 5 8 7 8 1 5 8 Yield Loss 0 2 4 6 8 For 15 TR units with 2 compressors take data from 8 TR multiplied by 2 For 20 TR with 2 compressors take data from 10 TR multiplied by 2 For 25 TR units with 2 compressors take data from 12 TR multi...

Page 20: ...at the bulb of the expansion valve open it by hand and pull vacuum from the whole system After completion of interconnection and running the unit for a few hours check through the viewing glass that oil level is normal If it is not add oil as required Our units are fully charged at the factory Installation with tube lengths of up to 5 meters require no additional gas Additional cooling gas charge ...

Page 21: ...en check that the low pressure gauge reading is in the range of 65 to 75 psi also check that compressor power consumption is within normal limits In case it is not slowly add gas and let the unit stabilize then check again the above mentioned parameters Air Filters One of the basic conditions for the proper operation of any air conditioning unit is to keep air filters clean These units are equippe...

Page 22: ...to the evaporator since the former generally becomes clogged with soot from exhaust gases etc therefore if it is not properly washed with detergent it will get even more dirty and a paste may form on it If the blower blows against the coil check the coil rear side for the presence of leaves feathers or pieces of paper If the blower suctions from the front side check the front side When using clean...

Page 23: ...he thermo magnetic main switch on the board This way of switching off a unit is recommended only when repairs are being done CAUTION Bear in mind that switching off a unit this way will cause a loss of communication between the PLCs therefore the remaining units will trigger the communication alarm Cooling and heating control of peak and back up units The system is equipped with temperature and hu...

Page 24: ...iven The compressor has a three minute time delay to start up from the moment the power supply is switched on or from the last time it was switched off If the unit is fitted with two compressors they will be started with a ten second delay between each other The compressor is switched on with a 60 second delay which disables the low pressure switch input Once this period has elapsed if the switch ...

Page 25: ...r settings must be introduced in each of them Each key has one or more functions depending on the screen being displayed Such functions are listed below The display has an energy saving system extending the life of LEDs The system is enabled back when any key is pressed the light will come on If you no keys are pressed the light will go off after a while If any screen is kept during 10 minutes wit...

Page 26: ...ime Day Date Current Parameters Refrigeration 23 C Heating 14 C Dehumidification 85 Only for air conditioners equipped with humidifier Humidification 35 Humidity Alarm High 85 0 Low 25 0 Temperature Alarm High 30 0 C Low 10 0 C Temperature and Humidity Delay Alarm 000 Seconds Back Up Unit Started up due to high Temperature 25 0 C Clogged Filter Switches off at 72 hours Current Quantity 0 hours Fai...

Page 27: ...lure events If such value is exceeded it will overwrite the oldest failure When viewing failures the system will display the most recent one Data stored in Alarm History NO Failure log No 01 12 41 01 02 2006 Description of failure Input output visualization Press simultaneously both arrow keys Pressing the up or down arrows allows to see each screen press ESC to exit Digital Inputs Evaporator Blow...

Page 28: ...e code using the arrow the code then press OK Use the arrow keys to scroll through the screens To change a value press OK the cursor will blink on the value to be modified Modify it using the arrows then press OK To exit press ESC Enter Key and Press OK 0000 Parameter Adjustment Refrigeration 23 C Heating 14 C Dehumidifier 85 Parameter Adjustment Only for air conditioners equipped with humidifier ...

Page 29: ...rget the number you must request service or send the controller back to the factory key 0000 CONTROLLER TROUBLESHOOTING GUIDE Flow alarm If the unit is equipped with blinds check that they are not locked and that they can trigger the end switch If the unit is not equipped with blinds check whether there is a jumper between terminals 75 and 74 Unit does not cool Check if room temperature exceeds th...

Page 30: ...lve when not running Locked Manual Enabled 3 short No voltage in the electrodes with unit on no steam produced 1 Check external command signals 2 Switch off the unit and disconnect it check electrical connections Blocked Manual Enabled 4 short Internal Memory Error 1 Download humidifier configuration 2 If problem continues please contact CAREL service Blocked Manual Enabled 5 short High Water Cond...

Page 31: ...idifier configuration 2 If the problem continues please contact CAREL service Manual Blocked Enabled 7 long High Water Conductivity Pre Alarm 1 Check water conductivity 2 Check limit system per parameters B5 via RS485 3 Install a suitable demineralizer if required Warning Automatic Reset Unaffected 8 long External Signal Command not properly Connected 1 Check connection of external regulator Check...

Page 32: ...switch FF Missing phase low or high voltage and phase symmetry Blind end switch B Mechanical thermostat input This thermostat is totally independent from automatic control Operation While in manual mode if all safety sensors are operating under normal conditions the evaporator blower will be switched on If all safety features are operating properly the system will rely on the manual thermostat If ...

Page 33: ...e PLC and a RS485 USB adpater is located on the PC this con figurations allows a cable length of up to 1 000 meters The software to be used in the PC for this option may be a Scada software or a Carel monitoring software B A RS485 adapter is located on the PLC and an RS485 Ethernet ModBus adapter is installed to connect to the computer network In this option the PLC or PCLs are connected to the co...

Page 34: ...through a web page to show or modify the status of the controller parameters The integrated Web server allows viewing standard HTML pages directly in a web browser This is a client application therefore it can according to the authorization level control and monitor the system status from a remote location HTML pages can be easily customized and downloaded by the end user To develop customized HTM...

Page 35: ...can communicate directly with Johnson Controls Metasys monitoring software using an adaptor The software included in WebGate is free It has reading and writing functions for all parameters For any special function the client may wish for the place where the units are installed it must be programmed by the user or third parties For this purpose together with WebGate you will receive a CD with the f...

Page 36: ...tact with water hence current flow Clean electrodes mechanically or chemically with any commercially available descaling product However if the electrodes do not allow its regeneration the cylinder must be replaced The replacement consists only of the cylinder body and the gasket To replace the cylinder follow the steps above but in reverse order after checking or replacing the fitting gasket in t...

Page 37: ...water line to the unit open the tap and let water run for a few minutes to clean the tube from all impurities that may clog the filling or drain valves or which may damage the electrodes The humidifier is controlled by a system which automatically loads water into a drum measures water conductivity and based on the current flowing through the electrodes adds or drains water to work with the requir...

Page 38: ...ers Conductivity limit values for the medium low immersed electrode humidifiers Limits Min Max Hydrogen ions pH 7 8 5 Specific conductivity at 20 C σR 20 C μS cm 125 500 Total dissolved solids TDS mg l 1 1 Dry residue at 180 C R180 mg l 1 1 Total hardness TH mg l CaCO3 50 2 250 Temporary hardness mg l CaCO3 30 3 150 Iron Magnesium mg l Fe Mn 0 0 2 Chlorides ppm Cl 0 20 Silica mg l SiO2 0 20 Residu...

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Page 40: ... TERMINALS LOCATED INSIDE THE UNIT D NA Normal Open E COM Common View No of Terminals in Electrical Circuit Connect to Common Terminal View No of Terminals in Electrical Circuit Check according to location whether this terminal Closes or Opens a blind Check according to location whether this terminal Closes or Opens a blind AFTER CHECKING BLIND S CLOSING OR OPENING TERMINAL CONNECT IT TO UNIT TERM...

Page 41: ...cam pushes the button the contact changes its status opened or closed blind Adjust a disc using two fingers or a small screwdriver turning it one way or the other Disconnect Press this lever in the direction indicated by the arrow to disconnect motor from the rest of the mechanism this is used to calibrate the blinds Press and turn blinds manually until completely closed Perform the same operation...

Page 42: ...uou sly and insufficie ntly 1 The unit is not enough to cool the room 1 Make a heat balance determine capacity to be added 2 Damaged component malfunction 2 Replace damaged switches adjust loose blowers clean dirty coils 3 Gas leaks 3 Repair gas leaks install and or adjust service valve caps and nuts Charge additional gas 4 Defective compressor 4 Replace compressor 5 Clogged air filter low perform...

Page 43: ...76 1002 00 Page 43 of 48 Command and Safety Electrical Circuit Indoor Compressor Matches with Power Circuit No 15 2336 05 with humidifier No 15 2493 01 without humidifier ...

Page 44: ...76 1002 00 Page 44 of 48 Power Electrical Circuit Remote Compressor With Humidifier 15 2336 05 ...

Page 45: ...76 1002 00 Page 45 of 48 Power Electrical Circuit Remote Compressor Without Humidifier 15 2493 01 ...

Page 46: ...76 1002 00 Page 46 of 48 Command and Safety Electrical Circuit Outdoor Compressor 15 2393 05 Matches with Power Circuit No 15 2291 01 with humidifier No 15 2394 02 without humidifier ...

Page 47: ...76 1002 00 Page 47 of 48 Power Electrical Circuit With Humidifier 15 2291 01 ...

Page 48: ...76 1002 00 Page 48 of 48 Power Electrical Circuit Without Humidifier 15 2394 02 ...

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