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service manual telecom-range hed-hcat 0011÷0061

1. 1 1 jun 10ssa1du0d JosseJduJoo Jojeou yun joddns Jee gt Si pueq i pueq pueq pueq 440 utod ies utod jas UTO yun poddns 994 Duiooo 1 1 1 pa gt Le gt 252 2225 552552225255 52 255205005520 pueq pueq 1 1 eJnjejeduJe pueq pueg 440 1 uol i utod ies jutod ies eJnieJoduej eursseu pt pueq yun yoddns yunjoddns E 40 gt pueq 5 BEER 440 440 uo JOS uo ug jUTOGd JOS jurod 195 1777 HED HCAT EN CONTROLLER Select alarms Display Programming Up Down Exit Display The display shows the main values managed by the unit p Alarms Alarms are signalled by the light on the alarm button Pressing th
2. COMPRESSOR EVAPORATOR FAN EVAPORATOR FAN CONDENSER ELECTRIC R410A AC power input 48V DC power input FAN HEATER Power input FLA L R A ELA ELA ELA o ELI FLA Pose a wl A A ew A ew A mue 19 85 39 1 04 19 06 S 1 02 07 17 74 0021 230 1 50 2 16 0 58 0 4 1 9 0 6 1 5 0 2 0 7 127 7 4 0031 mme 35 60 35 1704 19 9401501 02 07 1 I7 74 400 3N 50 3 7 7 0 46 Ji 19 5 0 1 0 6 2 3 4 14 8 400 3N 50 43 8 0 19 5 0 1 0 6 2 3 4 14 8 400 3N 50 59 10 0 19 5 0 3 1 4 2 3 4 14 8 0061 ams 559 18 4 2 05 2 2 M 195 03 14 2 34 146 TOTAL UNIT POWER INPUT HED HCAT R410A COOLING ONLY with EVAPORA COOLING ONLY with EVAPORATOR FAN AC power input COOLING ONLY with EVAPORATOR COOLING ONLY with EVAPORATOR FAN 48V DC 48V DC POWER SUPPLY EVAP FAN FREE COOLING a dech e and ELECTRIC jan M power input and DAMPER ELECTRIC ass HEATER power input ELECTRIC HEATER BOARD Mode Power input FL ELA SA FLA ELI FLA SA ELL FLA ELL FLA un kW W kW 230 1 50 2 1 93 2 1 1 9 230 1 50 18 6 2 1 93 2 9 11 9 230 1 50 19 7 2 1 93 11 9 400 3 50 8 6 2 1 93 11 9 9041 4003 50 43 48 ii 19 0051 400 3N 50 4 9 3 9 19 9 0056 400 3N 50 6 7 3 9 19 9 0
3. K re gn ph 3 J gt a3 i uw e e N a CO ta m C C O oo Cicl a Freecooling 5 B R I M D B F D D B P 2 M iv oe D C D J J a e 0 x 2 3 e m ip O dition er n Ti m e H n Test qum O 4 N lt A C amp C amp 0 m CH e Fan non modulating analogue control If selecting modulating NO this screen is displayed with the fixed parameters Fan modulating analogue control If selecting modulating YES this screen is displayed with the val ues that can be set for the fan Minimum cooling Maximum cooling Minimum heating Maximum heating Dehumidification Start up time control Integral time Sniffing Fan ON Fan OFF used to set the minimum fan speed in cooling mode used to set the maximum fan speed in cooling mode used to set the minimum fan speed in heating mode used to set the maximum fan speed in heating mode enables the dehumidification function used to set the delay in starting the fan used to choose between proportional or proportional inte gral control in the latter control depends on the time set used to set the time for proportional integral control allows of switch on turn off the fan per a time determined
4. pay scrupulous respect to safety distances between the unit and other eguipment or structures to ensure that air entering the unit and discharged by the fans is free to cir culate The unit must be installed in a space designed to house technical installations dimensioned according to legisla tion in force in the country concerned and large enough to allow access for maintenance POSITIONING Before handling the unit check the capacity of the lift eguip ment used respecting the instructions on the packaging To move the unit in the horizontal make appropriate use of a lift truck or similar bearing in mind the weight distribu tion of the unit To lift the unit insert tubes long enough to allow positioning of the lifting slings and safety pins in the special holes in the base of the unit To avoid the slings damaging the unit place protection be CLEARANCES gt 0 6 21 1xA 2 A A Z gt 0 6 tween the slings and the unit Place a layer of rubber min thickness 10 mm or vibration dampers between the base and support surface Fix the unit making sure it is level and that there is easy access to refrigerant and electrical com ponents If the site is exposed to strong winds fix the unit adequately to the support surface using tie rods if neces sary You are advised to avoid Installing the unit in pits and or air vents Obstacles or barriers which could cause the air dis charged to be recycle
5. Compressor maintenance Condenser fan maintenance dicendi ena air conditioner and 2 Outlet fan maintenance air conditioner 2 Compressor maintenance Outlet fan maintenance air conditioner air conditioner and 2 Outlet fan maintenance air conditioner AREA 4 this displays the unit operating mode heating or cooling if the outlet fan temperature control function is enabled Lal co ex Compressor maintenance 1 Fan temperature control not active ae Unit in cooling mode XM Unit in heating mode Air conditioner E Air conditioner compressor active E 3 Compressor active 2 compressor active yi Air conditioner and 2 E compressor active Air conditioner heater Air conditioner 2 heater Heater active active active Air conditioner and 2 E heaters active AREA 7 all the devices currently operating are displayed A Es Dehumidification active fy Emergency fan active AREA 8 this displays the Unit LAN address EI Unit LAN address AREA 9 if the ON OFF from keypad option is enabled this displays the corresponding icon Press ENTER for 5 seconds to switch the unit on a Press ENTER for 5 seconds to switch the unit off 4 AREA 190 this displays the layout of the unit EI T E Packaged unit with EI Packaged unit with Packaged unit without EN
6. HG EH an 87 8 18 11 12 15 14 15 v er o a D 51 52 55 54 1 55 56 5 58 A 49 41 42 Manual Manual e Main Fan Compressor Mo Condensins Fan Free Cooling 000x H o Heater H o n I I 2 oO XI a o o e e m c c TV TV 2 75 J tft po m m Z Z zx HED HCAT EN Page 2 Each alarm can be set as manual or automatic reset the MAINTENANCE LOOP ALARM screens feature the corre sponding parameters For alarms with automatic reset the display on the main screen disappears when the alarm is not longer active howev er the alarm display screens and buzzer remain active until the alarm is reset by pressing the ALARM button This screen is displayed in systems with unit controlled by one PLC In manual mode the devices can be activated independently of the control functions while the safety features are still active Manual mode can last a maximum of 30 minutes This screen is displayed in systems with 2 units controlled by the same PLC Page In manual mode the devices can be activated independently of the control functions while the safety features are
7. used to set the fan on time used to set the fan off time This screen is displayed in systems with 2 units controlled by the controller Rotation hours Rotation test Page Set point Band Minimum Maximum control Integral time FC Modulating Page 2 In out delta DT band FC with compressor Delay Outlet limit Minimum temp Band used to set the hours for master and slave rotation used to set the minutes to test the operation of master slave rotation used to set the temperature per the opening of the freecooling damper used to set the band used to set the minimum damper opening used to set the maximum damper opening used to choose between proportional or proportional inte gral control in the latter control depends on the time set used to set the time for proportional integral control used to set the damper in modulating mode YES NO used to set the delta between the inside temperature and the outside temperature for opening the freecooling damper used to set the band for opening the freecooling damper allows simultaneous operation of freecooling and the com pressor YES NO used to set a delay for opening the freecooling damper enables a limit to ensure too much cool air is not intro duced into the site YES NO used to set the minimum inlet temperature via the freecool ing damper used to set the band for the minimum temp EN HED HCAT Emegergen s
8. Display address Setting satamassa ass ees Board address 01 USERTERMINAL DISPLAY ADDRESSING FROM II TO 20 At this point unit n has to be connected with user terminal dis play 11 unit n 2 has to be connected with user terminal display 12 Tj oM unit 10 has to be connected with user terminal display 20 look the following table To enter configuration mode press simultaneusly following but tons UP ENTER DOWN for 5 sec the following screen will ap pear with cursor blinking on the top left side Display address Setting erret 00 I O Board address 01 To modify the terminal address display address setting press the ENTER button once the cursor will move to the address field n 00 e Use the UP and DOWN buttons to select the right value re ported on the table If the value selected is different from the one saved previously the following screen will be displayed and the new value will be saved to the permanent memory on the display Display address changed To set the terminal address display address setting press the ENTER button once the cursor will move to the address field n 11 Use the UP and DOWN buttons to select the 0 zero value and confirm by pressing ENTER again If the value selected is different from the one saved previously the following screen will be displayed and the new value will be saved to the permanent memory on the display Display ad
9. 1 7 or 3 4 kW depending on the size selected PRESSURE DIFFERENTIAL SWITCHES Two differential air pressure switches to detect indoor fan faults or dirty filters CONTROL PLC Unit operation is managed by a programmable PLC with graphic display OPTIONAL ACCESSORIES TO BE REOUESTED WHEN ORDERING Humidity Sensor Function Dehumidification Clock Card Serial adapter for interfacing with external BMS Shutter management and free cooling Air filter EU4 instead EU3 standard Air filter for fresh air intake Power supply from UPS 48 VDC for evaporator fan and damper free cooling if reg Electric heater Vibration dampers for ceiling mounting For any further reguest please contact the offce EN HED HCAT DESCRIPTION OF STANDARD HCAT UNIT Air cooled condensing units with axial flow fans suitable for precision air conditioning of mobile telephone base stations Direct expansion version with R410A refrigerant They are factory tested and on site installation is limited to refrigerant and electrical connections Condensate pan heat exchanger protection grille and vibration dampers fitted as standard STRUCTURE Powder coated metal plate base panelling and inside struc ture Non flammable closed cell polyethylene foam thermal insulation and soundproofing on the inside COMPRESSORS Hermetic rotary or scroll compressor with sump heater and thermal cut out CONDENSER Made
10. 109 102 125 130 HED with Freee coolin 123 121 128 130 A I D A fice i 107 98 109 111 1 Ref Conditions 27 45 UR Outdoor 35 C OPERATING LIMITS COOLING Inside temp DB WB Outside temp DB WB Max 32 23 5 48 Min 22 15 5 25 DB Dry bulb WB wet bulb CALIBRATION OF PROTECTION DEVICES Opens bar Closed bar HED HCAT 0011 High pressure switch 41 5 0 1 4 33 2 automatic Low pressure switch CALIBRATION OF PROTECTION DEVICES HED HCAT 0021 0061 High pressure switch Low pressure switch 3 4 02 Opens bar 42 0 1 4 3 4 02 3 9 0 3 automatic Closed bar Reset 33 2 3 9 0 3 automatic automatic EN HED HCAT INSTALLATION HED UNIT CHOICE OF INSTALLATION SITE Before installing the unit agree with the customer the site where it will be installed taking the following points into consideration check that the fixing points are adeguate to support the weight of the unit pay scrupulous respect to safety distances between the unit and other eguipment or structures see functional clearances install the unit with a minimum slope of 2 mm m to gua rantee condensate drainage POSITIONING Before handling the unit check the capacity of the lift eguipment used respecting the instructions on the packa ging To move the unit horizontally make appro
11. 3 8 10 5 8 16 HUMIDITY SENSOR OPTIONAL FRONTAL AIR FLOW optional HED 0041 0061 IN POWER SUPPLY 1 2 12 1054 HUMIDITY SENSOR OPTIONAL FRONTAL AIR FLOW optional EN HED HCAT EN DIMENSIONED DRAWINGS HED 0011 0031 FREE COOLING INPOWER SUPPLY FRONTAL AIR FLOW adjustable on site HED 0041 0061 FREE COOLING IN POWER SUPPLY FRONTAL AIR FLOW adjustable on site HIN HED HCAT EN DIMENSIONED DRAWINGS HCAT 0011 0031 AIR FLOW 268 LIQUID LINE ANTI VIBRATIONS MOUNT IN POWER SUPPLY standard supplied 472 MAX HCAT 0041 0051 AIR FLOW 224 5 SW LIQUID NS LINE MET 100 4 gt lt ANTI VIBRATIONS MOUNT standard supplied IN POWER SUPPLY gt 472 MAX EN HED HCAT IIN DIMENSIONED DRAWINGS HCAT 0056 0061 KN HIEN HED HCAT EN GENERAL TECHNICAL DATA HED H
12. HED units are supplied without refrigerant this is sup plied with HCAT units STRUCTURE Powder coated metal plate base panelling and inside struc ture with naturally draining stainless steel condensate col lection pan Non flammable closed cell polyethylene foam thermal insulation and soundproofing on the inside ELECTRICAL PANEL Power and control electrical panel constructed in accor dance with IEC 204 1 EN60204 1 complete with control and terminal blocks for connection to the power supply and auxiliary controls AIR FILTERS Filter removable and washable made of acrylic material self extinguishing with efficiency class EU3 standard or higher EU4 HEAT EXCHANGER COILS Made from copper tubes and aluminium fins with large heat exchange area EVAPORATOR FAN Centrifugal or radial fan with backward curved blades available in the 220 Vac basic version or alternatively 48 VDC with electronic speed control and statically and dy namically balanced impellers High pressure head available Air pre filter aluminium sleeve Motor driven freecooling damper Damper motor Air filter EU3 Finned coil Fan assembly Electric heater optional Electrical panel with board CON a A W N REFRIGERANT CIRCUIT Unit featuring a refrigerant circuit complete with expan sion device safety pressure switch to control low suction pressure ELECTRIC HEATER Electric heaters with double safety feature Heating capacity
13. NO used to set the humidity limit for activating freecooling used to set the humidity limit band for activating freecool ing EI7 Alarms Used to set the alarm set points The set points are pre set in the factory Hig Humid 75 0 Ur Band 90 Ur Low Humid 253 0 45 UF Band H This screen is displayed in systems with Alarm 1 Command unit controlled by one PLC 81 H o 82 N o 8353 N o 84 Ho 85 N o 06 Ho ja he al ls f 7 d di a7 No EUR En E aN a n S eM ME to depending on i ae Ww icr 2 2 Seege SEN SN 6 e user can select which alarms activate the alarm signal output Page 2 Alarm 1 Command 16 H o 17 Ho 18 N o 19 Ho 28 Ho 21 Ho 22 23 Ho 24 25 Ho 26 Ho 27 Ho 28 Ho 29 18 Ho 3 Alarm 1 C o m m a n d 1 32 Ho 3343 Ho 54 5 36 Ho 37 358 Ho 591 Ho 46 Ho 4 1 Ho 42 Ho Status NC NHO JAL This screen is displayed in systems with 2 units controlled by one PLC Page Each alarm can be configured to perform an action on the sys tem 0 Noaction Add unit to network 2 Switch unit off and switch on another in the network 3 Switch offall the units in the network h 6 O D O J 4 C A C C O C O C 3 Fa C D 0 p o OC N n C C C C C C w Oh M Oh A Z e Cc c C C
14. Page 2 1 2 t 5 1 4 7 i C C C C O 4 A eH A KE D 0 N OO n amp C C O C e lh w Oh 4 amp amp e C C C C amp A 2 2 2 3 3 3 4 Note When an alarm is activated the main screen shows the alarm symbol page 14 15 in area 3 pressing the ALARM button opens the alarm display screens and the audible alarm sounds if more than one alarm is active these can be scrolled using the UP and DOWN buttons Pressing the ALARM button on one of the alarm display screens re sets all the alarms if the alarms are still active the audible alarm sounds again EN HED HCAT EN pLAN network GA The network have a maximum of 10 units and 11 termi PLAN Rbilitation Yes e nals one of which shared Unit operation the LAN network Units PL N 8 2 is configured on unit 01 Medium Tempe rature N o N Pere JN Enable LAN enables the LAN function YES NO Rotati n i e Hours 24 No of units in LAN used to set how many units are connected to the LAN Rotati n Test No Average temperature this function allows temperature control on the individual units using the average temperature measured by the active units connected to the pLAN YES NO No of units in STBY sets how many units are in Standby Rotation hours this function is used to balance the operating hours of the units connected in a pLAN network
15. due to high room temperature Unit on in LAN Unit in emergency mode Unit on in LAN due to low room temperature P RIT Manual controls active Unit off from time bands Unit in night mode Unit awaiting LAN AREA 3 this displays an icon that in the event of an alarm or a maintenance signal indicates the type of alarm or the device that requires maintenance respectively d Configuration alarm d Fire smoke flood alarm Blackout incorrect phase sequence alarm E Compressor alarm on air conditioner and 2 Condenser fan thermal mu Flood alarm Outlet fan flow alarm High pressure alarm from digital input analogue input Compressor alarm on air conditioner 2 h Gei C B Fire smoke alarm Outlet fan thermal overload alarm Low pressure alarm Compressor alarm on air conditioner s Are Heater alarm Blocked filter alarm um Damper alarm EPROM alarm m temperature prane alarm ep Outside temperature E Outlet temperature e Room humidi probealarm probe alarm probe alarm Tm Condensing pressure gT PAN alari Maximum room temperature probe alarm alarm EN HED HCAT EN High room temperature Low room temperature H 5 El P cot High room humidity alarm alarm alarm Low room humidity alarm Room thermostat alarm ALIX Auxiliary alarm Clock alarm Compressor maintenance Outlet fan maintenance
16. nals one of which shared Unit operation in the LAN network is configured on unit 01 Page Enable LAN enables the LAN function YES NO No of units in LAN used to set how many units are connected to the LAN Average temperature this function allows temperature control on the individual units using the average temperature measured by the active units connected to the pLAN YES NO No of units in STBY sets how many units are in Standby Rotation hours this function is used to balance the operating hours of the units connected in a pLAN network Rotation is performed based on the set time expressed in hours activating the unit with the lowest address first A maximum of 2 units can be set in standby if there are more than 4 units connected in the pLAN network Rotation test runs the test to verify the exact operation of the rotation function Pag 2 Used to set the pLAN Support set points PLAN Actions PLAN Actions Page 3 0110 02 0 esto 2210 2310 24 0 928 74658 tas Each alarm can be configured to perform an action on the LAN 0710 ER 2810 2910 30 0 1010 1110 1210 3110 3210 3310 0 Noaction 154 1610 3410 354 ro 1710 1910 1910 3710 39810 910 Add unit to network 2010 2010 2110 4010 arse 4210 2 Switch unit off and switch on another in the network 3 Switch off all the units in the network Page 4 See t
17. still active Manual mode can last a maximum of 30 minutes Password Password Level 2 A aut Page 2 Screen for setting the level 2 password LAN LOCAL NETWORK E22 E23 E24 DISPLAY SCREENS MAIN FUNCTIONS OF THE LAN The connection of the units that is the PCO boards fitted on each unit in the pLAN network allows the following functions to be performed balance the operating hours between the air conditioners by rotation of the standby unit start the standby unit if the other unit shuts down due to a serious alarm or blackout start the standby unit to provide for excessive thermal load control up to 10 air conditioners from just one user ter minal shared user terminal operation of all the air conditioners based on the average of the temperature and humidity values read by the probes on the air conditioners that are operating at that moment I The local network connection is used to manage the operation of a series of air conditioners operating inside the same environment 2 The number of units that can be connected is 10 MAX 3 The maximum extension of the network connections is 500 metres 4 All the units connected in the network must have the same version of the program installed in the flash memory on the board i A terminal can be configured as private or shared a private terminal can display the operating status only of the unit it is connected to v
18. tervals should be halved Power input Electrical and refrigerant connections Condition of the compressor contactor Operating pressure heating and cooling function Correct operation of the compressor heater EN HED HCAT KN SPECIAL MAINTENANCE REFRIGERANT GAS CONTENT The units are charged with gas and tested in the factory to identify the type of refrigerant see the rating plate on the unit In normal conditions there should be no need for the Technical Service to intervene to check the refrigerant gas However over time small leaks may develop at the joints leading to loss of refrigerant and emptying of the circuit causing the unit to function poorly In this case the leaks of refrigerant must be identified and repaired and the refrigerant circuit recharged in compli ance with national legislation in force on substances that are harmful to the ozone layer For the HED HCAT models use special eguipment for the refrigerant collection so as to protect the environment Proceed as follows Empty and dry the entire refrigerant circuit using a vacu um pump connected to the low and high pressure tap un til the vacuometer reads about 10 Pa Wait a couple of minutes and check that this value does not rise to more than 50 Pa Connect the refrigerant gas cylinder to the low pressure line Fill with the guantity of refrigerant gas indicated on the unit s rating plate Always check the superhea
19. the use of electricity and refrigerant gas a number of fundamental safety rules must be observed namely e The unit must not be used by children or by unfit persons without suitable supervision Do not touch the unit with bare feet or with wet or damp parts of the body Do not carry out cleaning operations without first disconnecting the unit from the electricity supply by placing the mains switch in the off position Do not modify safety or regulation devices with out authorisation and instructions from the manufac turer Do not pull detach or twist the electrical cables coming from the unit even when disconnected from the mains electricity supply Do not open doors or panels providing access to the internal parts of the unit Do not dispose of abandon or leave within reach of children packaging materials cardboard staples plastic bags etc as they may represent a hazard Do not allow refrigerant gas to leak into the at mosphere IJJ HED HCAT EN Avoid contact with the refrigerant gas as it is potentially hazardous Do not sit or stand on the appliance and or rest any type of object on top of it Do not spray or throw water directly on the ap pliance Do not introduce pointed objects through the air intake grills A Respect safety distances between the unit and other equipment or structures Guarantee adequate space for access to the unit for maintenance and or service operations Power supply the cross section o
20. using copper tubes and aluminium fins with a high exchange surface area Connections with cocks and flared fittings FANS Axial flow fans with external impeller statically and dyna mically balanced at low speed Six or four pole electric motor with built in thermal pro tector Housed in aerodynamic tubes with accident preven tion grill Device for operation according to outside air temperature continuous fan rotation speed control via pressure transducer NEN HED HCAT EN REFRIGERANT CIRCUIT Refrigerant circuit featuring the following components fil ter liquid receiver Unit supplied complete with non free zing oil and 410 refrigerant charge factory tested POWER AND CONTROL ELECTRICAL PANEL Power and control electrical panel constructed in accor dance with IEC 204 1 EN60204 1 complete with compres sor contactor and thermal solenoid switch and door lock safety device OPTIONAL ACCESSORIES TO BE REQUESTED WHEN ORDERING Wall mounting brackets Soundproof compressor jacket The above accessories are optional Consult the relative do cumentation for assembly instructions and technical data Finned coil Electrical panel Gas valve Scroll compressor Fan DIMENSIONED DRAWINGS HED 0011 0031 IN POWER SUPPLY
21. 061 400 3N 50 6 7 3 9 19 9 CONNECTING THE REFRIGERANT PIPES FOR HED UNIT SUCTION DISCHARGE PIPES Create the coupling flange directly on the pipe this means less welding and therefore fewer impurities inside the pip ing All pipes must be perfectly clean clean piping with ni trogen or dry air before connecting the pipes to the two units and free from moisture to allow efficient venting HIEN HED HCAT EN O To connect liquid pipe proceed as follows Connect the pipe to the liquid union coupling using two spanners 2 Insulate the outside of the pipe and the coupling Liquid side Gas side Condensate drain gt REFRIGERANT CONNECTIONS REFRIGERANT PIPES Sizing of the refrigerant pipes connecting the external con denser units and indoor evaporator units is vital to guaran tee correct operation Next tables give diameters the diameters of pipes for con necting the HED HCAT units the maximum admissible length and the maximum difference in level both with the condenser unit located at a lower level than the terminal unit and vice versa For greater distances the diameter must be calculated Use only copper piping for refrigerant use The HCAT units are pre filled with a sufficient quantity of refrigerant for connection to the corresponding HED in door unit and for a maximum pipe length of 5 m PROCEDURE FOR CORRECT CONNECTIO
22. 75 057 97 Climaveneta Polska Sp 2 UI Sienkiewicza 13A 05 120 Legionowo Poland Tel 48 22 766 34 55 57 Fax 48 22 784 39 09 info climaveneta pl www climaveneta pl Climaveneta Climate Technologies P Ltd 3487 14th Main HAL 2nd stage Indiranagar Bangalore 560008 India Tel 91 80 42466900 949 Fax 91 80 25203540 sales climaveneta in Climaveneta UK LTD Highlands Road Shirley Solihull West Midlands B90 4NL Tel 44 0 871 663 0664 Fax 44 0 871 663 1664 Freephone 0800 801 819 response climaveneta co uk www climaveneta co uk LI CLIMAVENETA www climaveneta com COD C01002483F VI 00
23. 8 3 8 3 8 2 1 2 1 2 1 2 Suction discharge line mm 5 8 5 8 5 8 3 4 3 4 3 4 3 4 SIZING CONNECTION PIPING IN RELATION TO EQUIVALENT DISTANCE Model 003 004 0051 0056 006 0 30 m equivalent Liquid line 3 8 3 8 3 8 1 2 1 2 1 2 1 2 Suction discharge line 5 8 5 8 5 8 3 4 3 4 3 4 3 4 SIZING CONNECTION PIPING IN RELATION TO EQUIVALENT DISTANCE Model 0011 0021 0031 004 0051 0056 0061 30 50 m equivalent Liquid line mm N A 3 8 3 8 1 2 1 2 1 2 1 2 Suction discharge line mm N A 5 8 5 8 3 4 3 4 3 4 3 4 TYPE OF FITTINGS Model 0031 0041 0061 flare flare flare HCAT unit flare flare flare flare flare flare flare ADDITIONAL REFRIGERANT LOAD FOR EVERY LINEAR METER EXCEEDING 5 m Diameter 3 8 10 1 2 12 5 8 16 3 4 18 7 8 22 Liquid line g m 59 90 160 Suction discharge line g m 29 39 64 N B add lubricating oil equivalent to 1076 of the weight of the gas calculated only for the refrigerant connection lines between indoor and outdoor unit EQUIVALENT CORRESPONDING LENGTH 90 CURVE AND COMPLETE DRAIN TRAP Nominal diameter mm 1 90 2 00 2 10 2 40 2 80 EN HED HCAT EN 3 30 INTAKE PIPING Flared couplings are used for all models To connect pro ceed as follows Prepare the end of the pipe creating the correctly shaped flare 2 Connect the prepared pipe to the intake
24. ACNET ETHERNET for dialogue with protocols SNMP and TCP IP LON for dialogue with protocol LON RS485 MODBUS SERIAL CARD RS232 SERIAL CARD ALARMS TROUBLESHOOTING Description Solution Devices switched off Configuration alarm No user action possible Contact Service Signal only Fire smoke flood alarm Check status on site Stops operation of the unit Fire smoke alarm Flood alarm Outlet fan flow alarm Outlet fan thermal overload alarm Blackout incorrect phase sequence alarm High pressure alarm from digital input analogue input Low pressure alarm Compressor alarm on air conditioner and 2 Compressor alarm on air conditioner 2 Compressor alarm on air conditioner Condenser fan thermal overload alarm Heater alarm Check status on site Reset if possible Check status on site Reset if possible Check operation on site Check operation on site Check operation on site Check operation on site Check operation on site Check operation on site Check operation on site Check operation on site Check operation on site Check operation of the safety thermostat on site Contact Service if necessary Stops operation of the unit Stops operation of the unit Stops operation of the unit Stops operation of the unit Stops operation of the compressor con denser fan and heater Stops operation of the compressor Stops operation of the compressor
25. CAT Model 0011 0021 0041 0051 0056 0061 N Circuit s N Compressor s 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Refrigerant 410 R4I0A R410A R4IOA R4IOA 410 R410A Power supply V Ph Hz 230 1 50 400 3N 50 COOLING CAPACITY Total cooling 1 8 43 8 41 9 71 10 63 14 28 15 77 Sensible cooling capacity l 6 77 6 75 9 17 9 53 12 47 13 76 SHR 1 0 80 0 80 0 94 0 90 0 87 0 87 Compressor s power 1 2 27 2 26 2 37 2 72 3 64 4 10 Evaporator air flow 1600 1600 2450 2450 3200 3200 Free cooling air flow 1600 1600 2450 2450 3200 3200 Evaporator fan 48V DC power input 0 55 0 55 1 08 1 08 1 08 1 08 Evaporator fan AC power input 0 40 0 40 0 47 0 47 0 47 0 60 Condenser max air flow 2500 2500 3600 3600 4900 4900 Condenser fan AC power input kw 0 16 2 L 0 16 014 0 14 032 032 Outdoor sound pressure level r lm 2 dB A 52 56 56 56 58 58 a Total heating capacity kw ES 7 3 4 3 4 3 4 3 4 DIMENSIONS amp WEIGHT HED with Freee cooling 1500 1500 1523 1523 1523 1523 Width HED without Free cooling 1060 S 1236 1236 1236 1236 HCAT mm 900 900 900 900 900 HED with Freee cooling 1110 1110 1110 1110 Depth HED without Free cooling If 1110 1110 1110 1110 HCAT 370 370 420 420 HED with Freee cooling 310 310 400 400 400 400 Height HED without Free cooling P 405 405 405 405 HCAT 740 990 990 1240 1240 Net weight HCAT unit
26. INSTALLATION OPERATION SERVICE MANUAL TELECOM RANGE ZEN lt EN Split unit LI CLIMAVENETA HED HCAT 0011 0061 General warnings 4 Fundamental safety rules 4 Identification HED unit 5 Receiving and handling HED unit 5 Receiving and handling HCAT product 6 Description of HED unit 7 Description of standard HCAT unit 8 Dimensioned drawings 9 General technical data HED HCAT 13 Operating limits 13 Installation HED unit 14 Installation HCAT unit 14 Electrical connections HED unit 5 Electric connections HCAT unit 16 ELECTRICAL WIRING DIAGRAM ON THE MACHINE Connecting the refrigerant pipes for HED unit 18 Refrigerant connections 19 Sizing of refrigerant pipes 20 Control diagram 22 Liability disclaimer Controller 23 Description of the areas shown on the display 24 Display screens 27 LAN local network 39 Interconnection between the units by shielded cable 40 Setting the addresses of the units from to 10 and the user terminals from 11 to 20 40 Configuring the software for unit recognition and management 42 Special functions of the lan network 43 Serial boards and supervisory system 46 Alarms troubleshooting 47 Troubleshooting 48 Operating characteristics 49 Extended shutdown 49 Routine maintenance 49 Special maintenance 50 Disposal 50 Condensate drain 50 This bulletin refers to standard executions particularly as regards dim
27. N Intake discharge piping Insulate the piping adequately with anti condensate closed cell type polyethylene to a minimum thickness of 9 mm Remote on off 2 If the outdoor unit is lower than the indoor unit a drain trap must be fitted to avoid fluid returning to wards the compressor see Fig 1 3 If the outdoor unit is higher than the indoor unit by less than 3 m it is sufficient to fit an air trap before the indoor unit see Fig 2 i LU gt z LLI O Z LU 18 LL O gt 15m for HED HCAT 001 and 30 m for HED HCAT 0021 0061 4 If the outdoor unit is higher than the indoor unit more than 3 m an oil collection trap should be fitted every 3 m and an air trap should be included before the indoor unit see Fig 3 5 When installing the piping make sure all bends have a large radius Avoid hairpins Do not squash the pipes Liquid piping Avoid using excessive diameters to avoid excessive re frigerant content 2 If the piping is exposed to heat sources insulate it ap propriately MAXIMUM DIFFERENCE IN LEVEL 5m for HED HCAT 0011 and 15 m for HEDHCAT 0021 0061 EN HED HCAT NIS SIZING OF REFRIGERANT PIPES FITTINGS HED unit Liguid line mm 3 8 3 8 3 8 1 2 1 2 1 2 1 2 Suction discharge line mm 5 8 5 8 5 8 3 4 3 4 3 4 3 4 HCAT unit Liquid line 3
28. Rotation is performed based on the set time expressed in hours activating the unit with the lowest address first A maximum of 2 units can be set in standby if there are more than 4 units connected in the pLAN network Rotation test runs the test to verify the exact operation of the rotation function E23 Pag 2 PLAN SurePort ves Used to set the pLAN Support set points Cooling Set 21 87 EI Cooling Band 83 09 Cooling Set D BS Ss E Heating Set 85 9 Heating Band 2 8 Heating Set D 92 6 PLAN actions PLAN Alaras action Page 3 0110 02 0 62 0 22 0 23 60 24 0 aas 72630 Each alarm can be configured to perform an action on the LAN 07 0 02 0 2 2910 910 50 0 1010 1110 1210 3110 210 3310 0 No action 1410 195160 16 10 3410 25170 260 1710 1010 1910 3710 sie 910 Add unit to network 2010 20 10 2110 4010 4 11 4210 2 Switch unit off and switch on another in the network 3 Switch off all the units in the network Page 4 See the paragraph on LAN local network Configuration 273 H evboard N o ON OFF keypad enabling this function means the unit can be switched on and off Time Band es by pressing the ENTER button for 5 seconds on the main Start 22 808 screen YES NO Time bands enabling this function means the unit can be switched on and off End eros based on time bands Surpervisin Yes
29. Start used to set the time the unit starts operating Address used to set the time the unit stops operating Supervision enabling this function allows the unit to be managed by a super Baud Kate 19200b s visor fitting an optional board Protoco Modbus Address used to set the address for the supervisor Speed selects the communication baud rate Protocol selects the communication protocol E27 N i Modbus Carel Lon 5 2 En Night function by enabling this function in specific time bands a different set Co point can be set for the fan and the compressor plus a re duced outlet fan speed YES NO HP Start used to set the Night function start time used to set the Night function end time MF Compressor set used to set the compressor set point for the night function UC Out fan reduction used to reduce the outlet fan speed for the night function Cooling set point sed to set the cooling set point for the night function Heating set point used to set the heating set point for the night function Cond fan reduction used to reduce the condenser fan speed for the night func tion Password Screen for setting the level password Level 1 HHH pg HED HCAT EN LEVEL 2 Status Alarm log D D D Graphs Clock g 9 User To change the To change the Confirm by To move to the value press 47 value press pressi
30. Stops operation of the unit Stops operation of the unit Stops operation of the unit Stops operation of the unit Stops operation of the unit Blocked filter alarm Clean the filters Signal only Change of filters Damper alarm Check correct closing of the damper or incorrect Signal only activation of the heater EPROM alarm Check operation of the buffer memory on site Signal only Room temperature probe alarm Check probe connections Stops operation of the unit AE Outside temperature probe alarm Check probe connections Freecooling KE Outlet temperature probe alarm Check probe connections Compressor e Room humidity probe alarm Check probe connections Signal only Condensing pressure probe alarm Check probe connections Signal only LAN disconnected alarm Check LAN network or unit power supply con Signal only gH nection it Maximum room temperature alarm Check the temperature and unit status on site Signal only E High room temperature alarm Check the temperature and unit status on site Signal only EU Low room temperature alarm Check the temperature and unit status on site Signal only et High room humidity alarm Check the temperature and unit status on site Signal only el Low room humidity alarm Check the temperature and unit status on site Signal only E Room thermostat alarm Contact open check on site Signal only Auxiliary alarm Contact open c
31. ck User Fan Freecooling Compressor Heater Dehumidification Alarms pLAN network Set password J Maintenance Analogue Operating hours Manual alarms Password HED HCAT EN LEVEL 0 N ALARM LOG Digital Digital O To change the value press 47 value press 4 To move to the next row press Confirm by pressing To change the Analogue T Analogue O Operating Hours STATUS pLAN Digital Screen displaying the status of the digital inputs Digital O Screen displaying the status of the digital outputs The inputs are already configured during produc Analogue Screen displaying the status of the analogue inputs tion of the unit Before changing any settings con Analogue O Screen displaying the status of the analogue outputs tact the office Operating hours Screen displaying the device operating hours pLAN Screen displaying the status of the pLAN network Digital N 1 L ow Pres 2 Hi9h Pre e StAir Flow ds 4 65ir ilter Ja SIP S FF 1 e bh as e JJ 6 Amb Thermostat RS Le Z Est rnal H arm amm 8 Fi Smoke Alarm DIGITAL O 1 Alarm 1 Fa 2 Alarm 2 Ze 1 3 Jd 4 Alarm 4 JI 5 nlarm 5 Jd 6 Alarm 6 m m 7 Compressor o alli 8 Heater Ed Possible configurations of the digital inputs Description Not used Low pressure switch High pr
32. d Installation in sites with an aggressive atmosphere Installation in confined spaces where the sound levels of the appliance could be amplified by reverberation or res onance Installation in corners where dust leaves or other materi als tend to collect These could obstruct the passage of air thus reducing the efficiency of the unit Air discharged by the unit entering inhabited rooms through doors or windows causing unpleasant conditions for the inhabitants Air discharged by the unit being obstructed by a wind blowing in the opposite direction Direct exposure of the unit to sunlight HIEN HED HCAT EN ELECTRICAL CONNECTIONS HED UNIT The direct expansion terminals leave the factory complete ly wired and ready for connection to the mains electricity supply and to the outdoor unit All electrical connections must be carried out by gualified personnel For all electrical work refer to the electrical wiring dia grams in this manual You are also recommended to check that the characteristics of the mains electricity supply are adeguate for the power values indicated in the electrical characteristics table below also bearing in mind the pos sible use of other eguipment at the same time A Power to the unit must be turned on only after installation work mechanical refrigerant and elec trical has been completed All electrical connections must be carried out by qualified personnel in accorda
33. d if in standby control based on average values disabled if enabled time count for the rotation of the standby unit sus pended EN HED HCAT KEN CONNECTION TO THE REMOTE TERMINAL FROM THE BOARD This configuration requires 3 near the terminal insert the ferrite to reduce any electromag the use of two T shunts one fitted on the unit and one near netic disturbance the remote terminal 2 the use of the 3 2 shielded cable so that the power to the re mote terminal is also supplied by the board on unit connect ed using the T shunt Remote terminal no 32 Three pair cable pairs with 6 pin telephone con nector Three pair shielded cable 3 x 2 x AWG 24 six lead cable with shield and twisted pairs AW G24 resistance lt 800hm M Remote terminal no 32 Board no Term Maximum distance between terminal board 200 m Connections for the 2 x 2 x AWG 24 CABLE for connecting the remote terminal without transferring the power supply terminal function cable connections Earth shield t VRL 30Vcc Gnd First pair Rx Tx Second pair Rx Tx Second pair First pair FERRITE OQ IWIND O VRL 30Vcc EKIN HED HCAT EN ELECTRICAL CONNECTIONS The electrical connections must be completed when the units are off and disconnected from the power supply The network can have different c
34. dress changed A2 PROCEDURE TO ADDRESS THE UNITS AD DRESSES FROM I TO 10 Once the terminal address is set to 0 zero disconnect power supply from the board and then power it up again while at the same time holding the ALARM and UP buttons on the user termi nal wait until the following screen is displayed pLan address UP increase DOWN decrease ENTER save amp exit Release the buttons and set the correct address as per the table shown above from to 10 Same addreessing for 2 or more units or user terminals display in the same LAN network is not al lowed Set the right value Remember to set units addresses progressive ly from to 10 within the sme LAN line TABLE OF TERMINAL ADDRESSES AND LAN BOARD ADDRESSES LAN Board Address Terminal address Display E 2 12 3 13 4 14 5 5 6 l6 7 Ei 8 18 9 19 10 20 LAN Board Address Terminal address Display 32 remote shared EN HED HCAT 3 CONFIGURING THE SOFTWARE FOR UNIT RECOGNITION AND MANAGEMENT All the settings corresponding to the LAN can be made starting from the settings menu and accessing second row the branch of LAN ser ial configuration screens All the parameters can be set on the MASTER unit only that is the unit with address 1 which automatically sends any changes to all the other units in the network The network have a maximum of 10 units and 11 termi
35. drum i Joo freecooling closed inside Joo freecooling 50 el air recirculation el inside outside air mixture EI Packaged unit with 24 EP Split unit with freecooling p Split unit without be Wee freecooling open full freecoolin closed inside air recirculation E outside air H 5 24 Split unit with freecooling K e 5 Split unit with freecooling Im 5076 inside outside air an n Jean H mixture H EN HED HCAT EN SECOND PAGE This displays the values of the analogue inputs enabled identified by icons Room air temperature T Outlet air temperature KS p p Outside air temperature THIRD PAGE This shows the set point and band for all the devices enabled identified by icons Room air humidity Condensing pressure Outlet fan temperature I control in heating Outlet fan temperature control in cooling Freecooling Me t e f Compressor Heaters L Dehumidification i Compressor Compressor 2 HII Heater Heater 2 9 69s Emergency fan FOURTH PAGE This shows information relating to the software and hardware NOTE LANGUAGE SETTING Press both bottom at the same time then select your own language TO CHANGE THE DISPLAY CONTRAST Press at the same time To adjust up or down the contrast EE HED HCAT EN DISPLAY SCREENS MAIN LOOP FIRST PAGE Press the Ae button displays the fo
36. e pending on the value of the heating and cooling set point YES NO used to set the cooling set point temperature used to set the band in cooling mode used to set the heating set point temperature used to set the band in heating mode used to choose between proportional or proportional inte gral control in the latter control depends on the time set used to set the time for proportional integral control Fan analogue control Temperature control Modulation Cooling set point Cooling band Cooling cut off Heating set point Heating band Heating cut off with temperature control the fan switches on and off de pending on the value of the heating and cooling set point YES NO enables modulating operation of the fan YES NO used to set the cooling set point temperature used to set the band in cooling mode used to set the temperature in the shut down phase in cool ing mode used to set the heating set point temperature used to set the band in heating mode used to set the temperature in the shut down phase in heat ing mode C H e I 5 m o o 0 N S D ec cod sor oling Yes ion Tyre Tinme Time H h amp J C ra m T H h O amp e D Cc C C C C N N N Al M M D 5 I X 2 X 2 F7 B P c D
37. e button displays the details of the causes of alarm To reset the alarms press the alarm button again The controller saves up to 100 alarms D Displaying and setting the unit parameters Pressing the Prg button and entering the password accesses the menu for setting the parameters The operating parameters are sub divided into the following levels Level incorrect PSW general unit status alarms and graphs Level 2 user PSW required USER MENU 0000 Level 3 maintenance PSW required MAINTENANCE MENU EN HED HCAT EEK DESCRIPTION OF THE AREAS SHOWN ON THE DISPLAY FIRST PAGE Menu structure the pages in the main loop are scrolled using the UP and DOWN buttons AREA 10 If the clock is fitted and operating the time and date are displayed If an analogue input is configured as the room temperature this is displayed If an analogue input is configured as the room humidity this is displayed AREALI this displays the general status of the unit Fh doe Unit on and air conditioner fan active Unit on and fan off Unit and air conditioner Ga s 2 fan active Unit on and fan on Unit on and air conditioner and 2 fan active AREA 2 this displays the detailed status of the unit S Active alarm Maintenance signal E Unit off from keypad Unit off from digital input Unit off from supervisor Unit on in LAN
38. ed on the readings from the units that are not in standby if the rotation of the standby unit is enabled do not have a serious alarm see the following paragraphs have not been switched off from the user terminal Enabling the use of the average reading The use of the average temperature and humidity value for con trol is only enabled if the function is enabled there are no problems in the LAN connection between the units When problems are detected in the LAN the unit immediately dis ables control based on the average values and works with the local values that is the values read by the probes on the unit itself MANAGEMENT OF THE STANDBY UNIT In an installation made up of units that are operating and units in standby the operating hours of the units will not be equal as the former will be operating for longer than the latter which are off To overcome this problem the pLAN network can rotate the op eration of the units thus balancing the operating hours In prac tice rotation places a unit that is on in standby and starts the unit that is in standby Management of the rotation function The rotation of the standby unit is managed entirely by the unit with address in this case the MASTER while all the others are SLAVES and is performed based on times starting from the unit with the lowest address that is the unit with address 1 and then progressively incrementing the address Two standby un
39. eeds to be sup plied to the terminals The cable is not supplied by CLI MAVENETA AWG 24 cables with two twisted pairs plus shield such as the Belden 8723 or 8102 and AWG 24 cables with three twisted pairs plus shield Belden 8103 or similar are recommended DISPLAYING THE NETWORK FROM THE TERMINAL From any terminal in the network holding the UP ENTER DOWN buttons for at least 10 seconds will display the lt lt Net STAT gt gt screen see Fig 2 The NetSTAT screen shows all the LAN boards and all the termi nals connected in the network including the shared remote ter minal with the corresponding addresses In the example the network is made up of 3 LAN boards with ad dresses 2 3 and 4 user terminals with addresses 11 12 13 and 32 board with address 3 board L voar NetSTAT deep S 8 terminal 5 Enter 24 To Exit t 32 fig 2 terminal with address terminal with address 32 EN HED HCAT KEN SERIAL BOARDS AND SUPERVISORY SYSTEM NB this part is not intended to go into detail on the various versions and options available in the CLIMAVENETA range as regards supervi sory systems a topic that will be dealt with in a special manual Rather the purpose is to provide a rapid indication of the operations to be performed on the unit software by setting parameters from the user terminal so as to acti
40. energy and resources To highlight the need to dispose of electrical appliances separately the product has been labelled with the crossed out wheeled bin symbol The condensate is removed from the pan located under neath the coil through a hose with drain trap already fitted in the unit the end of the hose should be connected to the sewerage system in the building via a rubber or plastic ho se with an inside diameter of 20 mm NSN HED HCAT EN During installation pour water into the condensate collec tion pan so as to fill the drain trap inside the unit with wa ter Climaveneta S p A Via Sarson 57 c 36061 Bassano del Grappa VI Italy Tel 39 0424 509 500 Fax 39 0424 509 509 info climaveneta com www climaveneta com Climaveneta France 3 Village d Entreprises ZA de la Couronne des Pr s Avenue de la Mauldre 78680 Ep ne France Tel 33 0 1 30 95 19 19 Fax 33 0 1 30 95 18 18 info climaveneta fr www climaveneta fr Climaveneta Deutschland GmbH 13 44866 Germany Tel 49 2327 95428 0 Fax 49 2327 95428 99 info climaveneta de www climaveneta de Climaveneta Espa a Top Clima Londres 67 1 4 08036 Barcelona Spain Tel 34 934 195 600 Fax 34 934 195 602 topclima topclima com www climaveneta com Climaveneta Chat Union Refrig Equipment Co Ltd 88 Bai Yun Rd Pudong Xinghuo New dev zone 201419 Shanghai China Tel 008 621 575 055 66 Fax 008 621 5
41. ensions weight electric hydraulic aeraulic and refrig erant connections where applicable Contact Climaveneta Commercial Office for further drawings and schemes Climaveneta declines any liability deriving from use of the bulletin This bulletin is the exclusive property of Climaveneta and all forms of copy are prohibited The data contained herein are subject to change without notice In some parts of this manual the following symbols are used A WARNING for actions that reguire special care and suitable preparation PROHIBITED for actions that absolutely MUST Specialist personnel Person with in depth knowledge electrician and experience such as to be able to recognise risks and avoid dangers that may derive from electricity IEV 826 09 01 EN HED HCAT GENERAL WARNINGS A The HED terminal units are the indoor units in a split two section system Combined with the HCAT condensing units they form a system for air conditioning only Incorrect installation control and maintenance improper use or installation by unquali fied personnel absolves the manufacturer from all liability whether contractual or otherwise for dam age to people animals or things Only those applica tions specifically indicated in this list are permitted Read this manual carefully All work must be car ried out by qualified personnel in conformity with legislation in force in the country concerned The guarantee is invalidated
42. ers are not respected contact the electricity supply company For electrical connections use double insulation cable in conformity with current legislation in the country concerned Install if possible near the unit an appropriate pro tection device to isolate the unit from the mains sup ply This should have a delayed characteristic curve contact opening of at least 3 mm and an adequate in terruption and differential protection capacity If this device is not visible from the electrical panel of the unit it should be lockable An efficient earth connection is obligatory Fail ure to earth the appliance absolves the manufactur er of all liability for damage In the case of three phase units ensure the phases are connected correctly e Do not use refrigerant pipes to earth the unit ELECTRICAL WIRING DIAGRAM ON THE MACHINE Only for the machines with 48VDC power supply Must protect the 48 VDC power supply with a bipolar thermal Overload switch The negative and even the positive HI HED HCAT EN PREPARING FOR FIRST START UP Before starting up the condenser units make sure that all safety conditions have been respected The condenser unit is adequately fixed to the surface it rests on Functional distances have been respected The refrigerant connections have been carried out as indi cated in the instruction manual The circuit has been vented The refrigerant circuit valves are open electrica
43. essure switch Outlet fan thermal overload Condenser fan thermal overload Heater thermal overload Outlet fan flow Outlet fan filters blocked 230 400Vac power connected and incorrect phase sequence Room thermostat External alarm Fire smoke alarm Flood alarm Flood and fire smoke alarm Remote ON OFF Remote ON impulse Remote OFF impulse Air conditioner alarm Air conditioner 2 alarm Air conditioner compressor on Air conditioner 2 compressor on Enable freecooling Possible configurations of the digital outputs Value Description 0 Not used Alarm control 2 Alarm 2 control 3 Alarm 3 control 4 Alarm 4 control 5 Alarm 5 control 6 Alarm 6 control 7 Alarm 7 control 8 Open freecooling damper control 9 Close freecooling damper control 10 Outlet fan control Condenser fan control 12 Compressor control 13 Dehumidification control 14 Electric heater control 15 Compressor status l6 Outlet fan status 17 Freecooling status 18 Heater status 19 Air conditioner fan control 20 Air conditioner 2 fan control 21 Air conditioner compressor control 22 Air conditioner 2 compressor control 23 Air conditioner heater control 24 Air conditioner 2 heater control 25 Unit status EN HED HCAT ANALOGUE I ANALOGUE O Operating hours Main an Comer sso Start U e Cond an Heate Free Cool m rr a
44. et P i t Band Delta T Band DT FC With C Comrresso cv Mode 31 B 1 6 1 omPressor r A lar m lt lt lt amp 2 M Compressor Set Band Point 2 4 H 3 e Heater Set Band Point Br RH H Ze RH C Dehumidification Abilition Set Point Band Teme Lim Teme Ban Abili L FC E d t FC L i t it d imit Band C ra O Gi R c cm c co co c c X c c vo HED HCAT EN 3 Set point Band Delta T DT band FC with compressor Compressor alarm enables the freecooling damper in the event of emergen cies YES NO used to set the temperature for activating emergency mode used to set the set point band used to set the temperature delta in emergency mode used to set the temperature delta band in emergency mode allows simultaneous operation of freecooling and the com pressor in emergency mode YES NO allows freecooling operation if the compressor alarm is ac tivated YES NO This screen is displayed in systems with unit controlled by one PLC Set point Band used to set the set point for activating the compressor used to set the band for activating the compressor This screen is displayed in systems with 2 units contro
45. f the electrical ca bles must be adequate for the power of the unit and the power supply voltage must correspond with the value indicated on the respective units All units must be earthed in conformity with legislation in force in the country concerned Handle the unit with the utmost care see weight distribution table to avoid damage IDENTIFICATION HED UNIT The direct expansion units cab be identified by the Packaging label Giving the data identifying the product Rating plate Giving the technical and performance data of the unit If this is lost ask the After Sales Service for a replacement A Tampering with or the removal or absence of rating plates or other means enabling the unit to be identi fied causes problems during installation and mainte nance RECEIVING AND HANDLING HED UNIT The direct expansion units are supplied accompanied by The instruction manual is an integral part of the instruction manual unit and should therefore be read and kept carefully warranty certificate CE declaration e Do not dispose of packaging materials in the en These are contained in a plastic bag attached to the top of vironment or leave them within reach of children as the unit they may represent a hazard source of pollution The unit should always be handled by qualified personnel using equipment adequate for the weight of the unit EN HED HCAT 0721 RECEIVING AND HANDLING HCAT PRODUCT The HCAT condense
46. he paragraph on LAN local network NB For each pCO controller can be connected to two user terminals one private and one shared the user terminal can be directly con nected to the card pCO on the connector RJI2 phone or through a derivative In the network there can be at most one shared terminal with address 32 The shared terminal is able to connect to all the controllers present in pCO network plans to move from one address to another simply press the keys simultaneously ESC ALARM In any mask of view you can see which is the address of a controller connect ed by simultaneously pressing the keys UP DOWN for 5 seconds 1277 HED HCAT EN SPECIAL FUNCTIONS OF THE LAN NETWORK MANAGEMENT OF AVERAGE TEMPERATURE AND HUMIDITY When the units are connected in a LAN this network connection can be exploited to have them operate based on the average tem perature and humidity of all the readings made on the active units that is fan operating without alarms Calculation of the average The average is calculated by the MASTER unit that is the unit with pLAN address 1 only if control based on the average values has been enabled on the user terminal The MASTER unit to perform this calculation receives the ambi ent temperature and humidity values read by the probes on all the units connected in a LAN calculates the average and then sends the resulting value to all the units The average temperature and humidity is only calculat
47. heck on site Signal only EN HED HCAT Alarm Description 7 Clock board not working Check on site Compressor maintenance Compressor operating hours exceeded EN Outlet fan maintenance Check operation on site Compressor maintenance air condition Check operation on site er and 2 Compressor maintenance air condition Check operation on site er 2 Compressor maintenance air condition Check operation on site er Maintenance on air conditioner and 2 Check operation on site outlet fan oo on air conditioner 2 outlet Check operation on site Nm on air conditioner outlet Check operation on site Devices switched off Signal only Signal only Stops the fan Stops the fan Stops the compressor outdoor fan Stops the compressor outdoor fan Stops the compressor outdoor fan Stops the fan Stops the fan Stops the fan fan TROUBLESHOOTING PROBLEM CAUSE SOLUTION The fan doesn t start No DC power supply Check the DC power supply Check the circuit breaker External main switch off PLC fault Fan fault The compressor doesn No AC power supply start Switch Contact the service centre Contact the service centre Insufficient FREECOOLING capacity Mesh filter blocked Check the AC power supply Check the circui
48. ia telephone cable a shared terminal can display the operating status of all the units connected in the network 6 Each board can talk to a maximum of 3 terminals in common applications generally no more than two are used one fitted on the unit and another optional re mote terminal The priority on the terminal is always the display of the alarms even if when the alarm is activated the terminal is displaying the parameters from another unit 7 To be able to communicate over a local network the units must be configured so as to be able to send the other units the required information for correct opera tion In this regard the first step involves assigning a progres sive number to the different units I 2 3 10 and then correctly setting the addresses of the various terminals and LAN boards and making the electrical connections step by step as described in the following paragraphs EN HED HCAT I INTERCONNECTION BETWEEN THE UNITS BY SHIELDED CABLE In order to realize a LAN Local Area Network between the units it is reguired that installers provide to link together all units with a dedicated cable The cable is not supplied by CLIMAVENETA AWG 24 cables with two twisted pairs plus shield such as the Belden 8723 or 8102 and AWG 24 cables with three twisted pairs plus shield Belden 8103 or similar are recommended The electrical connections must be completed when the units are
49. if the above instruc tions are not respected and if the unit is started up for the first time without the presence of personnel au thorised by the Company where specified in the sup ply contract who should draw up a start up report The documentation supplied with the unit must be consigned to the owner who should keep it care fully for future consultation When the items are consigned by the carrier check that the packaging and the unit are undamaged If damage missing components or consignment er rors are noted indicate this on the delivery note A formal complaint should be sent via fax or registered post to the After Sales Service within eight days from the date of receipt of the items All the operations involved in handling installing starting up and testing the unit must be carried out by qualified per sonnel Failure to observe this warning could cause serious damage This appliance contains R410A refrigerant gas at the end of its working life it should be taken to a special collection centre care should be taken to avoid damage to the gas circuit and the finned coil Too low a temperature is harmful to health and a use less waste of energy Avoid direct contact with the air flow for prolonged periods These appliances have been designed for cooling and must be used for this purpose in applications compatible with their performance characteristics FUNDAMENTAL SAFETY RULES When operating equipment involving
50. its can be set however only if there are at least four units connected in the LAN in this case the rotation of the units in standby starts with the first two addresses and 2 then the second two 2 and 3 and so on If the rotation time is set to zero from that time on rotation will no longer be performed consequently the same unit remains in standby and is only activated in the event of faults and alarms as described in the following paragraphs As regards the differentials these coincide with the values set for normal control Alarm management The network may be disconnected due to one of the fol lowing situations fault with the PCO LAN board integrated inside the PCO board in this case the entire board needs to be replaced detachment of the connection cable from the PCO LAN board power down of the unit or the PCO board breakage of the cable at a point between two units There are two possible situations one or more units are no longer visible e Ithe network is broken into one or more branches Each unit constantly receives information on the status that is the visibility of all the other units that should theoretically be connected to the network based on the number of units in the LAN set on the user terminal Each unit can therefore detect any disconnections When a unit detects a disconnection in the LAN the following occur signal on the main screen the unit is starte
51. l connections have been carried out correctly voltage is within a tolerance of 10 of the rated voltage for the unit the unit is correctly earthed All electrical connections are tight and all refrigerant con nections have been carried out correctly Before starting up power up the unit for at least two hours by positioning QF and QS to ON to al low the oil in the compressor sump to heat up STARTING UP FORTHE FIRST TIME after two hours Before activating the condenser unit Make sure the remote mains switch QF is in the OFF po sition N Remove the inspection panel Place the compressor thermal overload switch OMI in the ON position Close the electrical panel and tighten the closing screws Position the main unit switch OS in the ON position Position the main unit switch OF on the outside of the appliance in the position ACTIVATING AND DEACTIVATINGTHE UNIT Place the remote switch SAI if present in the ON position 5 N N The ACTIVATION and DEACTIVATION operations are controlled by the combined HED indoor unit EN HED HCAT POWER INPUT OF THE INDIVIDUAL COMPONENTS
52. lled by the same PLC Set point AC 1 Band Set point AC 2 Band used to set the set point for activating the compressor re lating to the Ist air conditioner used to set the band of start up of the compressor used to set the set point for activating the compressor re lating to the 2nd air conditioner used to set the band for activating the compressor This screen is displayed in systems with unit controlled by one PLC Set point AC 1 Band used to set the set point for activating the heater used to set the band for activating the heater This screen is displayed in systems with 2 units controlled by the same PLC Set point AC 1 Band Set point AC 2 Band Enable Set point Band Temp limit Temp band Enable FC limit FC limit FC limit band used to set the set point for activating the heater relating to the Ist air conditioner used to set the band for activating the heater used to set the set point for activating the heater relating to the 2nd air conditioner used to set the band for activating the heater enables the dehumidification function YES NO used to set the set point for operation of the dehumidifier used to set the band for operation of the dehumidifier used to set the minimum temperature limit for operation of the dehumidifier used to set the band for the operating temperature limit enables the humidity limit for activating the freecooling damper YES
53. llowing status screens sequence unit controlled by the electrical panel controller 2 units controlled by the electrical panel controller C Gi C amp OH 0 0 0 C OG N Oh OQ Pn OG Press the Esc button repeatedly to return to the main menu EN HED HCAT PASSWORD ENTRY keem Password 1 Press the Prg button _ Password not correct LEVEL 0 Displays only N Status Digital Digital 0 Analogue Analogue 0 Operating hours pLAN network 3 Alarm log Graphs Press together for 5 seconds User password 0000 modifiable LEVEL Displays N Stati Digital Digital 0 Analogue Analogue 0 Operating hours pLAN network 1 Alarm log Graphs Clock D User Fan Freecooling Compressor Heater Dehumidification Alarms pLAN network Set password gt Secondary loop Pressing the Prg button accesses the password entry page Depending on the password entered 3 loops of screens may be enabled level 0 incorrect password level user password 0000 modifiable level 2 maintenance password modifiable The language can be changed Maintenance password Contact Climaveneta LEVEL 2 Displays N Status Digital Digital 0 Analogue Analogue 0 Operating hours pLAN network E Alarm log Graphs Clo
54. midity Low temperature High temperature Maximum temperature pLAN network Pressure probe Humidity probe Outlet temp probe Outside temp probe Room temp probe EPROM GRAPHS screens GRAPHS SE 24 2 2 28 18 1 6 14 81 986 07 12 13 18 19 5 17 5 C 28 5 C 19 8 E 6 18 60 C 18 58 C 21 9 18 8 19 80 C 22 8 1 RRE 22 pee 4H L 24 8 L ture only Freecooling damper Dirty filters Heater thermal overload Fan thermal overload AC compressor AC 2 compressor Low pressure High pressure A Analogue High pressure D Digital No power Fan thermal overload No flow Flood Fire smoke Flood Fire smoke DA CFG Digital Analogue configuration AO CFG Analogue Output configuration DO CFG Digital Output configuration Al CFG Analogue Input configuration DI CFG Digital Input configuration Reset log The first screen displays a graph showing the trend in room air temperature the screen is enabled if an analogue input is config ured as the room air temperature reading Note The second screen displays the logged values tempera HED HCAT LEVEL I Status Alarm log D Graphs Clock K To change the USER CLOCK screen This screen is used to set the time and date To change the value press value press 4 and J Confirm pressing To move t
55. mp G GO Gi Gi o c c c e oO e uU cC c c c c amp pLAN network i H 9 IS 111 I HED HCAT EN Pressure Humidity Room T Outlet T Outside T Open FC Outlet fan Cond fan Not used This screen is displayed in systems with unit controlled by one PLC This screen is displayed in systems with 2 units controlled by the same PLC This screen is displayed in systems with 2 units controlled by the same PLC pLAN network status screen This screen only active if the LAN is enabled displays the sta tus of the units connected in the pLAN network Addresses to 10 are used for controllers addresses to 20 for private terminals and address 32 for the shared terminal 3 ALARM Sat aL 83 High Pressure A 18131 0970908707 N 882 ALARM LOG screen In this screen this displays the alarm log A maximum of 100 events can be saved once having reached the one hundredth alarm i e the last space available in the memory the next alarm is saved over the oldest alarm 001 which is deleted and so on for subsequent To scroll the list of logged alarms press J List of alarms Reset memory AC fan hour threshold AC 2 fan hour threshold AC comp hour threshold AC 2 comp hour threshold Fan hour threshold Compressor hour threshold Clock Auxiliary Room thermostat Low humidity High hu
56. n from factory is the following Address for the unit Address for the user terminal Display Remember that the MAX amount of units per LAN line are 10 with max 2 in stad by Right confirguration and addresses for units and user terminals Display are reported on the following resuming table HED HCAT EN TABLE OFTERMINAL ADDRESSES AND LAN BOARD ADDRESSES LAN Board Address Terminal address Display 2 12 3 13 4 14 5 15 6 16 7 17 8 18 9 19 10 20 LAN Board Address 32 remote shared Terminal address Display A UNITS ADDRESSES FROM I TO II Right units configuration is foundamental for the network in order to recognize all units connected Same addreessing for 2 or more units in the same LAN network is not allowed in such casethe following alarm screen will appear NO LINK Units addressing can be done only from user terminal display Units addressing can be done only if the user terminal dis play is previusly setted with 0 zero address Al PROCEDURE TO ADDRESS THE USER TERMIAL DISPLAY AT 0 ZERO It is possible to set the user terminal display address only after giving it a power supply through the telephone cable on its rear side connected to the main board To enter configuration mode press simultaneusly following but tons UP ENTER DOWN for 5 sec the following screen will ap pear with cursor blinking on the top left side
57. nce with legislation in force in the country concerned Respect instructions for connecting phase neu tral and earth conductors The power line must be fitted with a device to protect from short circuits and leaks to earth iso lating the installation from other users This protec tion device should also act as a main switch and if not visible from the electrical panel of the unit should be lockable Voltage must be within a tolerance of 10 of the rated power supply voltage for the unit If these pa rameters are not respected contact the electricity supply company For electrical connections use double insulation cable in conformity with current legislation in the country concerned An efficient earth connection is obligatory Failure to earth the appliance absolves the manufacturer of all liability for damage POWER CONNECTIONS For the functional connection of the unit bring the power supply cable to the electrical panel inside the unit and con nect it to terminals U phase N neutral and PE earth including a suitable mains switch with automatic disconnec tor and residual current protection between the power supply and the unit EN HED HCAT INN ELECTRIC CONNECTIONS HCAT UNIT The HCAT condenser units leave the factory fully wired Installation is limited to connection to the mains electrical supply and connection of the remote ON OFF switch operations that must be carried out by qualified personnel in com
58. ng next row press and J d MAINTENANCE N MAINTENANCE WH a ip Leen an Analogue Screens for calibrating the analogue inputs Operating hours Screen to reset the device operating hours Analogue Alarms Screens for setting the alarm and log reset Operating hours Alarms Manual Screens for activating manual mode and probe Manual simulation Password Password Screen for setting the level 2 password The loops of screens are displayed if the corresponding devices are enabled Analogue Page EA Analogue input calibration Cal Ua N B12 09bar 2 Humidits Cal 8 1 954 250 5 Room Tem erature Cal u i Berek 4 Delivery Temrenratu e Cal 8 8 Ual CRW e Page 2 Operating hours This screen is displayed in systems with M H n R N ES D W unit controlled by one PLC ComPr Hour Reset eee i Used the reset the various operating hours YES NO Hours Re t o Heate Hour Reset FC Hours Reset N o This screen is displayed in systems with 2 units controlled by the same PLC Page Used the reset the various operating hours YES NO EN HED HCAT F5 Heat 1 Hours Reset N o Heat 2 Hour s Reset N o FC Hours Reset Ho Alarms t Mode 2 85 84 5
59. o the next row press USER Fan Screens for setting the main fan operating parameters Fan Freecooling Screens for setting the freecooling operating Freecooling parameters Compressor Compressor Screen for setting the compressor operating Heater parameters Dehumidification Heater Screen for setting the heater operating parameters Alarms Dehumidification Screen for setting the dehumidification operating pLAN network parameters Configuration Alarms Screens for setting the alarm parameters Password pLAN network Screen for setting the pLAN network parameters Configuration Screen for setting the configuration parameters The set points for all the resources can be set in the Bison Screen for setting the level password USER level The loops of screens are displayed if the corresponding devices are enabled Fan Termoregulation Yes Cooling Set 28 RT C Cooling Band 2 8 Heating Set Heating Band 82 0 C Regulation Fe Integr Ti m 860 Sec E2 Termoregulation Y 5 Modulation Yes Cooling Set 280 0 Cooling Band 2 BTC Cooling Cutut utt 61 8 Heating Set OFC Heating Band 072 0 C Heating Cut Off HL H C Fan digital control Temperature control Cooling set point Cooling band Heating set point Heating band control Integral time with temperature control the fan switches on and off d
60. off and disconnected from the power supply following the below re ported schema Connections must be provided directly on the main terminal block of the units on the EI Panel and not on the main board directly Connectors RX TX RX TX amp GND are in different positions Clamps based on the unit type and size conseguenly please always refer to the electrical diagram inside the units where such connectors are clearly indicated Remember that connection between 3 connectors RX TX RX TX amp GND has to be similar among the units the shield has to be connected to the earth connector only in unit Refer to the below unit for the unit interconnection for the right clamps refer to the el Diagram on the unit LAN CONNECTION BETWEEN 2 OR MORE UNITS Cable connected to the earth on the unit DEE Lon Lon marsa ON Shielded cable for units interconnec tion under INSTALLER charge DEE Il N Pa papam pm olololololololololololololololo 2 SETTING THE ADDRESSES OF THE UNITS FROM I TO 10 AND THE USER TERMINALS FROM II TO 20 CONFIGURING THE NETWORK When it has been realized the electrical interconnection as re ported on phase 1 it is required to switch to phase 2 for the address configuration for A units addresses from to 11 B user terminal Display addresses from 11 to 20 Remember that standard confirguratio
61. onfigurations according to the maximum distance of the connections between the boards and the remote terminal for the connections between the remote terminal and the main board a shunt may be required as shown in the drawing Terminals pin strip terminal function 0 Earth shield VRL 30Vcc 2 Gnd 3 Rx Tx 4 Rx Tx 5 Gnd 6 VRL 30Vcc If both the jumpers are installed between 2 and 3 the flow of cur rent is interrupted between the connectors separated by the dashed line If power is required on all the connectors both the jumpers must be installed between and 2 Terminal O is an auxiliary terminal and can be used to earth the shield of the cable the shunt must in any case be connected to a metallic part of the unit that is already earthed MAXIMUM DISTANCE BETWEEN THE TERMINAL AND THE BOARD For local terminals the connection to the main board is already made using a 3 pair cable and 6 pin telephone connector The length of this cable generally does not exceed 3 metres 2 The remote terminals can be connected to the main board us ing the type of telephone cable described in point l with a maximum distance of 50 metres 3 For greater distances up to a maximum of 200 metres a shield ed cable must be used six lead cable with shield and twisted pairs AW G24 resistance lt 80 ohm M The cable may have 3 or 2 pairs depending on whether the power n
62. pipe shut off valve using two spanners as shown in the figure below flare coupling Flanged stub pipe Gas line Note The use of a flare connected directly to the piping limits impurities inside the pipe All pipes must be perfectly clean clean piping with nitrogen or dry air before connec CHECKING FOR LEAKS Check that the valves on the outdoor unit are comple tely closed 2 Connect the pressure gauge to the service outlet of the two outdoor unit valves 3 Fill with freon 410 gas at a pressure of 250 kPa OUTDOOR UNIT LIQUID PIPING Flared couplings are used for all models To connect pro ceed as follows Prepare the end of the pipe creating the correctly shaped flare 2 Connect the prepared pipe to the liquid pipe shut off valve using two spanners as shown in the figure below flare coupling Flanged stub pipe Liquid line ting the pipes to the two units and free from moisture to allow efficient venting 4 Connect the nitrogen cylinder to the valves and bring the circuit up to a pressure of 1 200 kPa 5 Using a leak detector light or other electronic instru ment make sure there no leaks VWVhen complete re move the pressure within the pipework INDOOR UNIT EN HED HCAT INN CONTROL DIAGRAM 9olb 5 92266 3 82 ILE 92296 9 96 IVE 9 66 9 06 9216 9 06 2 60 922860 ILE 2 90 9 90 JIVE 9 60 BGC Dole BOG 9 61 29 81 998 2 7 9 9 9 9 DV DE Dol
63. pliance with current legislation For all electrical work refer to the electrical wiring diagrams in this manual You are also recommended to check that the characteristics of the mains electricity supply are adequate for the power values indicated in the electrical characteristics table below also bearing in mind the pos sible use of other equipment at the same time A Power to the unit must be turned on only after installation work refrigerant and electrical has been completed All electrical connections must be carried out by qualified personnel in accordance with legislation in force in the country concerned Respect instructions for connecting phase neutral and earth conductors The power line should be fitted upstream with a suitable device to protect against short circuits and leakage to earth isolating the installation from other equipment ELECTRICAL PANEL The electrical panel is located inside the unit at the top of the technical compartment where the various components of the refrigerant circuit are also to be found To access the electrical panel remove the front panel of the unit by un doing the self tapping screws To access the components in the electrical panel and the terminal boards undo the four screws on the panel itself A Voltage must be within a tolerance of 10 of the rated power supply voltage for the unit for three phase units the unbalance between the phases must not exceed 3 If these paramet
64. priate use of lift trucks or similar in the most appropriate way The units are supplied with the following accessories to simplify installation vibration dampers washers and faste ning bolts for the 6 slots on the indoor unit The distance between the fastening points on the ceiling are shown in the dimensioned drawings on next page CONNECTION CONDENSATE DRAIN This operation must be carried out with particular care The unit is fitted with a condensate drain pan and the connector on the rear of the unit is supplied with a plastic hose The following warnings must be observed for the connec tions Do not connect the drains from different units together 2 Make sure the drain pipe has a slope of at least 2 cm m without obstructions or bottlenecks 3 Fit a drain trap at least 30 mm below of the condensate pan 4 Connect the condensate drain pipe to a rainwater drai nage system Do not connect to the sewage system as odours may be sucked up if the water in the drain trap evaporates 5 After connecting check correct drainage of the conden sate by pouring water into the pan 6 Fill the drain trap with water in the tray by pouring wa ter into the pan INSTALLATION HCAT UNIT CHOICE OF INSTALLATION SITE Before installing the unit agree with the customer the site where it will be installed taking the following points into consideration check that the fixing points are adeguate to support the weight of the unit
65. r units are supplied accompanied by A The instruction manual is an integral part of the instruction manual unit and should therefore be read and kept carefully guarantee certificate CE declaration e Do not dispose of packaging materials in the envi These are contained in a plastic bag A attached to the ronment or leave them within reach of children as top of the unit they may represent a hazard The unit should always be handled by qualified personnel A The weight of the condenser unit is biased to using equipment adequate for the weight of the condenser wards the compressor side side of the packaging unit If a forklift truck is used insert the forks under the with the bar code see figure at the foot of the base spacing the forks as wide apart as possible page If a crane is used pass the cables through the bottom of During transport the condenser unit must be the base making sure they do not exert pressure on the kept in the vertical position unit Once the packaging has been removed the unit can be lifted and moved by inserting two metal tubes max diame ter 1 2 into the feet provided for this purpose and using suitable handling equipment BAR CODE of EN HED HCAT EN DESCRIPTION OF HED UNIT DESCRIPTION OF HED UNIT The HED terminal units are the indoor units in a split two section system Combined with the HCAT condensing units they form a system for air conditioning only The
66. t and subcooling values After a couple of hors of operation check that the liguid indicator indicates the circuit is dry N In the event of partial leaks R410A gas the circuit must be completely emptied before being recharged The HED HCAT units must be charged in the liquid phase Operating conditions other than rated condi tions may produce considerably different values e The refrigerant circuit must not be charged with a refrigerant other than that indicated The use of a different refrigerant may cause serious damage to the compressor Oxygen acetylene or other inflammable or poisonous gases must never be used in the refrig erant circuit as they may cause explosion or intoxi cation Oils other than those indicated must not be used The use of a different oil may cause serious damage to the compressor DISPOSAL INFORMATION ON THE CORRECT DIS POSAL OF THE PRODUCT IN COMPLI ANCE WITH EUROPEAN DIRECTIVE 2002 96 EC At the end of its working life the product must not be dis posed as municipal waste It must be collected by specific local waste collection au thorities and segregated in the waste collection centre or by the reseller who provides this service CONDENSATE DRAIN The separate disposal of an electrical appliance avoids pos sible negative effects on human health and on the environ ment due to improper disposal and allows the recovery of materials and consequently significant savings in
67. t breaker Clean the filter Insufficient cooling Inside air flow blocked capacity Remove the obstacles Outside air flow blocked Noise and vibrations Contact between metallic bodies Remove the obstacles Loose screws IJ HED HCAT EN Tighten the screws OPERATING CHARACTERISTICS SWITCHING ON AND OFF COMPRESSOR ACTIVATION To switch the unit on and off use the disconnect switch OSI Two functions prevent the compressor from starting When switching on the compressor oil heater is powered Minimum time since last stopping 180 seconds and the electronic board goes to standby Minimum time since last starting 300 seconds In the event of temporary power failures when power re turns the mode set previously will be stored in the memory EXTENDED SHUTDOWN After having deactivated the condensing unit Deactivate the indoor unit moving the unit switch to the OFF position ROUTINE MAINTENANCE Regular maintenance is fundamental to ensure efficient op Cleaning of the finned coil eration of the unit and energy consumption Cleaning of the fan grills Technical Service must follow an annual maintenance plan Cleaning of the condensate drain which includes the following operations and check Charge gas Correct operation of the safety devices A For units installed near the sea the maintenance in Power supply
68. vate the database on the controller Therefore below is a short list of the operations to be carried out for the management of a serial interface board in particular Options and serial boards currently available 2 Installation 3 Configuration of the software from the terminal 4 Configuration Physical development of the serial net work Options and serial boards currently available Currently CLIMAVENETA offers the market a series of serial in terfaces that allow the ACCURATE precision air conditioners to share their control variables with local or remote BMS Building Management Systems both proprietary systems and those more commonly found on the market today CLOCK BOARD ETHERNET BACNET SERIAL CARD LON SERIAL CARD EN HED HCAT EN The interfacing and sharing of the control variables with such sys tems can be performed using serial boards interfaces that are compatible with the BMS that the variables should be exchanged with Conseguently the various OPTIONS that can be ordered when purchasing the unit and can also be supplied subseguently in clude the following serial interface boards CLOCK board used for identifying alarm events by time The clock board MUST NOT be instal led in the same SLOT as the serial boards listed below RS485 for dialogue with protocols CAREL and MODBUS RS232 for dialogue with protocol RS232 BACNET for dialogue with protocol B

service manual telecom-range hed-hcat 0011÷0061

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service manual telecom-range hed-hcat 0011÷0061