"service manual"
Contents
1. 0011 0021 003 0041 00510056 0061 Total Cooling capacity kW 4 1 6 0 7 3 9 0 11 13 8 15 2 Sensible Cooling Capacity kW 4 4 5 5 6 5 8 7 10 6 13 4 14 0 Unit power supply V Ph Hz 230 1 50 400 3 50 400 3 50 Compressor absorbed power kw 1 20 1 60 1 7 2 8 3 3 4 4 Evaporator air flow rate l s 460 500 650 950 Allowed minimum air flow rate in Free Cooling l s 415 450 600 850 Evaporator fan absorbed power kW 0 20 0 20 0 45 0 9 1 0 Condenser air flow rate 1 5 700 700 1100 1360 1500 Condenser fan absorbed power kW 0 18 0 18 0 25 0 25 0 70 Heater power kw 1 50 1 50 3 6 3 6 Max external operating temperature 48 48 48 48 Min external operating temperature C 20 20 20 20 External reference temperature C 35 35 35 35 Internal reference temperature 50 U R 27 C 27 27 C 27 Free field external sound pressure at 1 m from the machine dBA 53 56 56 58 Free field external sound pressure at 1 m from the machine silented version dBA LN V 46 48 51 53 230 1 50 400 3 50 Data measured under the following conditiong 27 C 47 U R indoor 35 C outdoor nominal power Measured at outdoor temperature of 35 C at 1 metre in open field Maximum outdoor temperature referred to internal tempearature of 24 C WNH Xx HED HCAT SE FREE COOLING ENGLISH mT Ii A IMPORTANT Power to the unit must be disconnected before carrying out maintenance or cleaning At the beginni2. opueuuoo e iuouppeje epauos ogunisipnue EIS LIS SV vv V ev TV HED HCAT 0041 0051 0061 ACA A A A AA A AA A ENGLISH HED HCAT SE FREE COOLING LIDENTIFICATION o GEK The HCAT SE condenser units can be identified by the A Tampering with or the removal or ab sence of rating plates or other means enabling the unit to be identified causes problems during installa tion and maintenance Packaging label Giving the data identifying the product Rating plate Giving the technical and performance data of the unit If lost ask the After Sales Service for a duplicate RECEIVING AND HANDLING THE PRODUCT HE The HCAT SE condenser units are supplied accompanied by A instruction manual The instruction manual is an integral part of the guarantee certificate unit and should thus be read and kept carefully CE declaration These are contained in a plastic bag A attached to the Do not dispose of packaging materials in the top of the unit environment or leave them within reach of children as they may represent a hazard The unit should always be handled by qualified personnel using equipment adequate for the weight of the condenser A The weight of the condenser unit is biased unit If a
3. EQUIVALENT CORRESPONDING LENGTH 90 CURVE AND COMPLETE SIPHON Pipe diameter 8 10 10 12 14 16 16 18 20 22 26 28 33 35 39 42 90 0 48 0 50 0 60 0 80 1 00 Siphon i 1 92 2 00 2 40 3 20 4 00 4 80 INTAKE PIPING LIQUID PIPING Flared couplings are used for all models To connect Flared couplings are used for all models To connect proceed as follows proceed as follows 1 Prepare the end of the pipe creating the correctly 1 Prepare the end of the pipe creating the correctly shaped flare shaped flare 2 Connect the prepared pipe to the intake pipe shut off 2 Connect the prepared pipe to the liquid pipe shut off valve using two spanners as shown in the figure below valve using two spanners as shown in the figure below Union Union Flanged Stud Flanged Stud Gas pipe Gas pipe Note The use of a flare connected directly to the piping ting to the two units and free from moisture to allow effi limits impurities inside the pipe All pipes must be perfectly cient venting clean clean piping with nitrogen or dry air before connec HED HCAT SE FREE COOLING ENGLISH SEO SIZE AND POSITION OF CONNECTIONS Size 0011 0021 0031 0041 0061 A mm 91 5 91 5 B mm 102 102 C mm 202 202 Gas connection mm inch 15 9mm 5 8 19 05mm 3 4 Liquid connection mm inch 9 52mm 3 8 12 8mm 1 2 Mod 0011 0021 0031 0041 0061 MOD 0021 0041
4. O J O UT R WN ENGLISH HAETING ELEMENT MODULE The heating element module consists of a heating element installed on a rack and placed inside the unit The power is 3kW HED HCAT SE FREE COOLING DIMENSIONAL DRAWINGS SIZE 0011 0021 0031 2 200 250 112 K E N disi IT ITE No L 999 DTE co DI ej 500 _ 500 _ a e T T eea Eza 194 700 40 1499 S 68 Ra 285 64 987 H n F O QI T TE EE REL l as 85 i d 70 Y 304 45 2 230 1226 41 SIZE 0041 0051 0056 0061 El e D D 8 GE N Sele E o 500 262 1524 an 201 800 6 E 240 36 i 1107 i LO 3 39 ag Zen 29 40 9 3227 45 1054 Fittings Weight 01 02 kg 0011 0021 0031 15 8 5 8 9 52mm 3 8 90 0041 0051 006 19 05mm 3 4 12 3mm 1 2 120 HED HCAT SE FREE COOLING ENGLISH INSTALLATION CHOICE OF INSTALLATION SITE Before installing the unit agree the site where it will be in stalled with the cus
5. the mask C5 is used to enable a condensation function Factory value Y ES range Y ES N O b second condensation coil Factory value single Range Single D ouble The mask C5 can be used to change the number of condensation fans for pc02medium only factory value 1 Range 1 2 The display page C7 is used to configure the analog input 1 Factory value circuit 1 press Range Press Temp The display page C8 is used to configure the analog input 2 Factory value circuit 2press Range Press Temp The mask C9 is used to a enable the pressure sensor 1 Factory valueY RangeY N b select the type of signal of the pressure sensor 1 Factory value Current Range 0 1 0 10V C urrent change the minimum and maximum value measured by the pressure sensor 2 for pC 02medium only Factory value 0 0 30 0 Range 20 50 Unit of measurement bar HED HCAT SE FREE COOLING ENGLISH The mask Ca is used to ENGLISH Ca 2y a enable the pressure sensor 2 for pC 02medium only Type Current Factory value Y Min thresh 00 0bar RangeY N Max thresh 30 0bar b set the value of the pressure sensor 2 signal for pC 02medium only Factory value Current Range 0 1 0 10V Current c change the minimum and maximum value measured by the pressure sensor 2 for pC 02medium only Factory value 0 0 30 0 Range 20 50 Unit of meas
6. LIQUID CONNECTION GAS CONNECTION CHECKING FOR LEAKS 1 Check that the valves on the external unit are 4 Connect the nitrogen cylinder to the valves and bring completely closed the circuit up to a pressure of 1 200 kPa 2 Connect the pressure gauge to the service outlet of 5 Using a leak detector light or other electronic the two external unit valves instrument make sure there are no leaks W hen 3 Fill with freon R407C gas at a pressure of 250 kPa complete remove the pressure within the pipework OUTDOOR UNIT INDOOR UNIT ENGLISH HED HCAT SE FREE COOLING ELECTRICAL CONNECTIONS 39 E The HCAT SE condenser units leave the factory fully wi red Installation is limited to connection to the mains electri cal supply and connection of the remote O N O FF switch operations that must be carried out by qualified personnel in compliance 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 absorptions indicated in the electrical characteristics tables below also bearing in mind the pos sible use of other equipment at the same time Power to the unit must be turned on only after installa tion work refrigerant and electrical has been completed
7. Low pressure switch Scroll compressor Fan WO Ui b UW NH ENGLISH DIMENSIONAL DRAWINGS Dimension 0011 0021 0031 0041 0051 0056 0061 A 900 900 900 B 740 990 1250 C 370 370 420 D 430 430 480 E 91 5 91 5 91 5 F 102 102 102 G 202 202 202 H 400 400 450 580 580 580 0 E Funtional distance L 900 900 900 M 150 150 200 N 600 600 600 Weights distribution W 1 33 43 46 W2 14 18 21 W3 11 14 18 W4 26 34 38 TOT 84 109 123 E ENGLISH HED HCAT SE FREE COOLING INSTALLATION CHOICE INSTALLATION SITE Before installing the unit agree the site where it will be instal led with the customer taking the following points into consi deration 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 to ensure that air ente ring the unit and discharged by the fans is free to circulate the unit must be installed in a space designed to house tech nical installations dimensioned according to legislation in force in the country concerned and large enough to allow access for maintenance POSITIONING Before handling t
8. Min Range 99 9 99 9 Unit of measurement C P4 The mask P4 is used to change the D ehumidifing bands Dehumid Band Range 0 100 ps The mask P5 is used to change the Freecool Humid pe Min and Max Humidity Set Point li delta between the internal and ex mits for Freecooling activation ternal temperature in the Freecoo Limit Enable Yes N o Freecooling DT _ C ling mode a Range 0 10 da Unit of measurement C ede P7 The mask P7 is used to change the ON OFF enable from keyboard Kejboard on off Yes No Range No Yes Temp Alarm pg The mask P8 is used to change the HumidyAlarm pg The mask P9 is used to change the low and high offset and maximum low and high offset for humidity ambient temperature alarms alarm Low offset C Low offset H igh Offset __ C Range 999 9 999 9 High offset Osce SR BIER E Unit of measurement Temp supplyair The mask Pa is used to change a the delivery limit function enable Sensor enable Yes no Range No Yes esk C b the Setpoint and the Differential of the air delivery for the limitation Differenz etza Range 999 9 999 9 Unit of measurement C Sel alarm type Pb The mask Pb shows the alarm binary codes S ser 1 2 Light1 2 A01 11111 A06 11111 11 11111 A16 11111 Sel alarm type Pc The mask Pc shows the al
9. electrical connections must be carried out by qualified personnel in accordance with legislation in force in the country concerned Respect instructions for connecting phase neu tral 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 te chnical compartment where the various components of the re frigerant circuit are also to be found To access the electrical pa nel remove the front panel of the unit by undoing the self tapping screws access the components in the electrical panel and the terminal boards undo the four screws on the pa nel itself HED HCAT SE FREE COOLING AN 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 this is not the case contact the electricity supply company For electrical connections use double insulation cable in conformity with legislation in force 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 contacts opening by at least 3 mm and an adequate interruption and differential protection capacity If this
10. part of the unit and should thus be read and kept carefully Do not dispose of packaging materials in the en vironment or leave them within reach of children as they may represent a hazard or a source of pollution During transport direct expansion terminals should be handled with extreme care HED HCAT SE FREE COOLING ENGLISH DESCRIPTION OF STANDARD UNIT d H STRUCTURE Structure in hot galvanised steel panelling com plete with couplings for connection to ducting and gravity drain condensate pan Internal thermal and acoustic insulation in self extinguishing closed cell expanded polyethylene Removable regenerable filter in self extinguishing acrylic efficiency class EU 2 HEAT EXCHANGE COIL W ith copper tubes and high exchange surface area alumini um fins FAN Electric centrifugal fan with electronic speed regulation Statically and dynamically balanced impellers High useful head ELECTRICAL SWITCHBOARD Power and control electrical switchboard constructed in accordance with IEC 204 1 EN 60204 1 complete with reg ulation and terminal boards for connection to the electrical power supply and auxiliary controls Air pre cleaner aluminium braiding Free Cooling motor driven air lock Motor driven air lock Air Filter EU 2 Finned coil Fan unit Heating element Electric control panel with card O utlet grille User position electric control panel
11. sent via fax or regis tered 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 personnel Failure to observe this warn ing could cause serious damage This unit contains R407C 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 useless waste of energy Avoid direct contact with the air flow for prolonged periods Avoid keeping the room closed for long peri ods Open the window regularly to guarantee cor rect air exchange During storms place the mains switch in the off position 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 and discharge grills Respect safety distances between the unit and other equipment or structures Guarantee suitable space for access to the unit for maintenance and or ser vice operations The internal unit must be installed in a closed technical room The fan outlets must be protected with ducts or grills preventing access to the impellers Power supply the cross section of the electrical cables must be adeq
12. EMENT OF CONNECTIONS BETWEEN BOARDS pLAN The pLAN network distinguishes a physical connection between pCO 2 boards The boards must be addressed for the network to operate correctly If the same address is assigned to two elements in the network pLAN will not work How to assign the addresses Set the pLAN addresses with binary logic by changing the posi tion of a bank of dip switches located on the pCO2 top left THE BOARDS MUST NOT BE POW ERED The addresses to be set on the two pLAN machines are given below MASTER means the main control unit while the SLAVE is the service unit that activates in support of the master The address of the unit is indicated in the bottom right corner of the 02 main mask Example of use of plan networks A pLAN network connection makes it possible to carry out the following functions balancing of the hours of operation between the shelter units by rotation of the stand by units Switching on of the stand by units if other units are off due to serious alarm or black out Switching on of the stand by units to compensate excessive heat load EE ENGLISH HED HCAT SE FREE COOLING UNIT 1 Rx Rx Tx Tx GND 33 34 35 UNIT 2 Rx Rx Tx Tx GND 33 34 35 Master board Address 1 ax a vu v S
13. INSTALLATION AND SERVICE MANUAL Free Cooling direct expansion terminal units HED HCAT SE 0011 0021 0031 0041 0051 0056 0061 FREE COOLING Standard amp Silented version INDOOR UNIT U 1 General warnings 2 U A Fundamental safety rules 2 U Identification 3 U I A Receiving and handling the product 3 Description of standard unit 4 Dimensional drawings 6 Installation 6 1 Functional distances 6 A Refrigerant pipe connection 8 1 A Refrigerant circuit 8 1 A Electrical connections 8 1 A Heater positioning 9 1 A Technical data 9 YAI Routine maintenance 10 AJ Seasonal maintenance 10 U IA Layout quadro elettrico 11 1 A Electrical wiring diagram HED 0021 12 1 al Electrical wiring diagram HED 0041 13 User Installer Afetr sales service Attention Forbidden OUTDOOR UNIT Identification 14 Receiving and handling the product 14 Standard unit description HC AT 15 Dimensional drawings 16 Installation 17 Refrigerant pipe connection 17 Sizing of refrigerant pipes 19 Electrical conne
14. O n off switch on O ff Put to On d Faulty room control Check room control Faulty fan C heck fan motor 27 bstructed mesh filter Clean the filter O bstructed air flow Remove the obstacles Room control regulation bez pea ea Check room control LEE CE N F etzue N F NE F N P N MU E A ss S Incorrect water temperature K Check L N Presence of air Bleed Contact between metal parts Check N z NA Loose screws Tighten the screws N HED HCAT SE FREE COOLING ENGLISH DEE ENGLISH HED HCAT SE FREE COOLING CLIMAVENETA Via L Seitz 47 310100 Treviso Italia Tel 0422 4131 Telefax 0422 413659 www delonghi com
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16. STATE OFTHE UNIT 1 Check the state of preservation of the unit as a whole 2 Check for the formation of rust If necessary treat the parts affected with rust inhibiting paint 3 Check the fixing of external panels 4 Check that fixing elements are not causing excessive noise and or vibrations 5 Check that the condensate is draining correctly and that the pan is free from encrustation 6 Check that the power supply cable is in good condition without cracks or lacerations This should be done by qualified personnel only SEASONAL MAINTENANCE E H This operation should be carried out by qualified personnel only Check the electric heater module check electrical ab sorptions and operation of safety devices BD ENGLISH HED HCAT SE FREE COOLING ELECTRICAL PANEL LAYOUT H HED HCAT SE FREE COOLING ENGLISH SR MULTIFILAR CIRCUIT eJossaJduo TZ 6vs PSN GKE IUDJOOS esn LVS EUTSI 975 O3usuueuomZipuoo eyun 195 SYS ou auuJe r aed GEO SUPIR o3e30uuJe1 Jed EKE eunyeJteduue esseq ejiosn TE VS eje auje esn OT vs pop EU
17. Unit of measurement seconds the minimum delay between the start up of different compressors Factory value 0 Range 0 9999 Unit of measurement seconds HED HCAT SE FREE COOLING Time off freec T7 The display pageT7 is used to set the freecooling off time due to high humidity limit Range 0 999 For humid Unit of measurement seconds limit ___ min Delay alarm T10 the display T 10 is used to set Range 0 9999 Freecooling _ _ _ _ sec Unit of measurement seconds SR ET Click on the Esc key to return to the Manufacturer menu Parameters Carel EXV Driver T Delay times To enter the Initialization menu use the scrolling selectors Initialization to position on Initialization and click on the enter key Insert Password MO The display page VO is used to reinstall default parameters Range 0 9999 To install default param value 0000 The display page V1 can be used to delete the alarm records Range No Yes Story reset V alarm Yes No Switch off the unit to confirm the set default values Set default values Switch off unit to confirm New manufacturer V2 The display page VO is used to set the password Range 0 9999 password 0000 HED HCAT SE FREE COOLING ENGLISH Plan NETWORK SET UP E E The representation to the side shows the necessary connection for setting up the pLAN network between the 2 units ADDRESSING AND MANAG
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19. ain measurement values of the units Internal temperature External temperature Mode of operation Compressor status O pening of the damper The alarm status is shown on the display and the alarm button turns red Press the button to display a description of the cause of the alarm and the date and time it occur red The controller stores the last 100 alarms The indicated alarms are Maximum temperature Maximum temperature pre alarm Minimum temperature Internal fan Dirty filters Heating elements High pressure Low pressure Fan compressor thermal cutout Freecooling alarm Blackout alarm After inserting the password the Prg key can be used to enter the menus for editing the unit operating parameters The unit operating parameters are divided into two sub menus USER menu MAINTENANCE MAN menu MANUFACTURER menu SET PO menu CLOCK menu IN PUT OUTPUT menu ENGLISH EZ CONTROLAND DISPLAY PARAMETERS DN Q Prg Esc DEOR M1 Work Mode Cooling H eating D ehumid M2 Work Mode Supply air limit Dehumid limit Parameters menu MAINTENANCE MAN Printer Inputs O utputs Clock Setpoint User MANUFACTURER 0 Shelter De Longhi Ver arta Language English A1 Bios 2452 2215 S Boot Manual uuu Ver 2 Running Hours Main Fan 00 000h A3 Running Hours Com
20. analog 00 0V Ag Manual procedure AUT analog 00 0V Aout 04AUT 00 0V New password maintenance 0123 The mask Ad is used for manual activation of the digital outputs 6 7 8 Factory value Off Range Off On The mask Ae is used for manual activation of the digital outputs 9 10 11 Factory value Off Range Off On The mask Af is used for manual activation of the modula ting outputs 1 2 Factory value 0 Range 0 10 U nit of measurement Volt The mask Ag is used for manual activation of the modula ting outputs 3 4 Factory value 0 Range 0 10 Unit of measurement Volt The display page A1 is used to change the maintenance man password Select the required combination with the scrolling selectors and confirm with the enter key Factory value 1234 Range 0 9999 MAINTENANCE MAN Printer Inputs O utputs Clock Setpoint User MANUFACTURER Click on the Esc key to return to the main display page To access the main menu click on the programming key To enter the Printer menu position on PRINTER with the scrolling selectors and click on the enter key The printer is optional MAINTENANCE MAN Printer Inputs O utputs Clock Setpoint User MANUFACTURER Pressure trasducer reading Analog input D valve Pri bar Pr2 bar BENE Amb humidity _ _ 96 ENGLISH C lick on the Esc key to return to the main display page To access the main menu click
21. arm binary codes S ser 1 2 Light1 2 21 11111 A26 11111 A31 11111 7 11111 Sel alarmtype pg The mask Pd shows the alarm binary codes S ser 1 2 Light1 2 A41 11111 46 11111 51 11111 Identif No The mask Pe can be used a to change the identification number of the supervision network board for BMS Network 001 range 0 200 ditake PPS p the baud rate of the supervision network board CORDE DR range 1200 19200 Unit of measurement baud rate C the protocol range Carel Modbus Lon Rs232 Gsm HED HCAT SE FREE COOLING ENGLISH E Maintenance man Pi Used to change the maintenance man password Select the required combination with the scrol ling selectors and confirm with the enter key user 0000 MAIN TEN AN CE MAN Click on the Esc key to return to the main display page Printer To access the main menu click on the programming key gos To enter the Manufacturer menu position on Manufactu cloc rer with the scrolling selectors and click on the enter key Setpoint User MANUFACTURER Select the password with the scrolling selectors to access the menu for setting the maintenance 20 parameters Manufacturer Factory value 0012 password 0000 Range 0 9999 The MANUFACTURER menu Insert the password to access the manufacturer menu Configuration Parameters Use the scrolling selectors to position on Manufacturer Garel EX V Driver and click o
22. by positioning Q F and QS to ON to al low the oil in the compressor sump to heat up ME ENGLISH STARTING UP FORTHE FIRST TIME after two hours Before activating the condenser unit Make sure that the main remote switch Q F is in the O FF position Remove the inspection pane HED HCAT SE FREE COOLING Remove the door of the electrical panel setting Q Replace the inspection panel Sto OFF Place the compressor thermal overload switch OM1 in the ON position Close the electrical panel door and fasten the screws Place the switch main Q S of the appliance in the ON po sition Place the main switch of the unit Q F outside of the unit in the ON position ACTIVATING AND DEACTIVATING THE UNIT Place the remote switch SA1 if present in the ON position HED HCAT SE FREE COOLING The ACTIVATION and DEACTIVATION operations are controlled by the combined HED internal unit ENGLISH REGULATION DIAGRAM E H Minimum Regulation of ON OFF re ON OFF re High tempe Maximum temperature X single air con gulation for gulation for rature signal operating alarm signal ditioner con connection connection temperature and acknow nection by mi of 2nd air of 2nd air signal ledgement nimum conditioner conditioner for connec temperature for opera for opera tion of 2nd tion in Free tion i
23. ch only activates for pLAN configuration is used to define the class of participation in pLAN of boards 4 6 Factory value present no rotation Range present rotation present no rotation not present Set the configurations according to the enclosed display page Ch The mask Ch which only activates for pLAN configuration is used to define the class of participation in j pLAN of boards 7 8 Unit configuration Factory value present no rotation Us d Hu Range present rotation present no rotation not present ib Set the configurations according to the enclosed display page HED HCAT SE FREE COOLING ITALIANO EZD CONFIGURATION Click on the ESC key to return to the MANUFACTURER Parameters menu Carel EXV Driver To enter the PARAMETERS menu position on PARAME Delay times TERS with the scrolling selectors and click on the enter Initialization key Gb Unit rotation unit in stand by 1 Rotation time 024h Gc Unit forced for temperature YES Low temp delay 003 High temp delay 003 Gd Unit forced for low temperature Difference 008 0 C O ffset 04 0 C Ge Unit forced for high temperature Difference 008 0 C O ffset 04 0 C ENGLISH The mask Gb which only activates in the plan mode is used to define a number of units set in the stand by mode Factory value 0 Range 0 1 b automatic rotation interval of u
24. ction 21 O perating limits 22 Checking and starting up the unit 22 Unit type configuration 24 Unit controller 25 Control and display parameters 26 pLan N etwork set Up 38 Addressing and management of connections bettween Boards pLAN 38 pLAN Software configuration 39 Troubleshooting 41 The following symbols have been used in some parts of this booklet and inside the appliance A Danger live parts ENGLISH Danger moving blades LASAFETY RULES E HED SE FC terminal units are the internal units of a split two section system Combined with a HCAT SE condenser unit they form a combined air conditioning and heating system Incorrect installation regulation and maintenance improper use or installa tion by unqualified personnel absolves the manufac turer from all liability whether contractual or other wise for damage to people animals or things O nly those applications specifically indicated in this list are permitted Read this manual carefully All work must be carried out by qualified personnel in conformity with legislation in force in the country concerned The guarantee is invalidated if the above instruc tions are not respected and if the unit is started up for the first time without the presence of personnel autho rised by the Company where specified in the supply contract who should draw up a start up report The documentation sup
25. device is not visible from the electrical pa nel of the unit it should be lockable An efficient earth connection is obligatory Failure to earth the appliance absolves the manufac turer of all liability for damage In the case of three phase units ensure the phases are connected correctly 2 Do not use refrigerant pipes to earth the unit ENGLISH ED LIMITS Cooling C Inside temp BS BU C Outside temp BS BU C Max 32 23 5 50 Min 20 140 20 BS Bulbo secco BU Bulbo umido SAFETY SETTINGS Opens Closes RESET bar bar High pressure switch 28 0 23 0 manual Low pressure switch 0 7 1 7 automatic 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 in dicated in the instruction manual The circuit has been vented The refrigerant circuit valves are open Electrical connections have been carried out correctly The voltage is within a tolerance of 10 of the rated vol tage for the unit The unit is correctly earthed All electrical connections are tight and all refrigerant connections have been carried out correctly A Before starting up power up the unit for at least two hours
26. ed alarms displayed in the time period Range H 001 H 999 Select the password with the scrolling selectors to access the menu for setting the maintenance parameters Factory value 123 Range 0 9999 The mask A6 can be used to change the hours of opera tion of the delivery fan compressor 1 and compressor 2 Factory value 0 Range 0 99 0 999 Unit of measurement Hours The mask A7 can be used to change the thresholds of the hours of operation of the devices Factory value 99 Range 0 99 Unit of measurement Hours x 100 The display page A8 can be used to calibrate the pressure sensor Factory value 0 The display page A9 can be used to calibrate the sensor ambient temperature external temperature and delivery temperature Factory value 0 Range 9 9 9 9 Unit of measurement C The mask Aa can be used to calibrate the condensation temperature sensor 1 and the condensation temperature sensor 2 Factory value0 Range 9 9 9 9 Unit of measurement C The mask Ab is used for manual activation of the digital outputs 1 2 3 Factory value Off Range Off On The mask Ac is used for manual activation of the digital outputs 4 5 Factory value Off Range Off On ENGLISH Ad Manual procedure Digit output 06 Off Digit output 07 Off Digit output 07 Off Ae Manual procedure Digit output 09 Off Digit output 10 Off Digit output 11 Off Af Manual procedure AUT analog 00 0V AUT
27. forklift truck is used insert the forks under the towards the compressor side side of the packaging bed plate spacing the forks as wide apart as possible with the bar code see figure at the foot of the page If a crane is used pass the cables through the bottom of During transport the condenser unit must be the bed plate making sure they do not exert pressure on kept in the vertical position the unit O nce the packaging has been removed the unit can be lifted and moved by inserting two metal tubes max diameter 1 2 into the feet provided for this purpose and using suitable handling equipment Size 0011 0021 0031 0041 0051 0061 Dimension L 1060 1060 Dimension P 460 460 Dimension H 880 980 Gross W eight 80 87 EE ENGLISH HED HCAT SE FREE COOLING DESCRIPTION OF STANDARD UNIT B _ The air cooled condenser units with axial flow fans opera te with R407C refrigerant and are suitable for outdoor in stallation for use with HED direct expansion terminals The units conform to the essential requisites established in EC directive 89 392 They are factory tested and on site installation is limited to refrigerant and electrical connections Condensate pan mod 0011 0061 and heat ex changer protection grill fitted as standard STRUCTURE Panels and bed plate are made from cataphoretic coa ted galvanised steel to ensure total resistance to atmo spheric agents COMPRESSORS Hermetic rotary scroll comp
28. he unit check the capacity of the lift eguip ment used respecting the instructions on the packaging To move the unit horizontally make appropriate use of a lift truck or similar bearing in mind the weight distribution of the unit To lift the unit insert tubes long enough to allow positio ning of the lifting slings and safety pins in the special holes in the bed plate of the unit To avoid the slings damaging the unit place protection between the slings and the unit Position the unit in the site indicated by the customer Place a layer of rubber min thick ness 10 mm between the bed plate and support surface Fix the unit making sure it is level and that there is easy access to REFRIGERANT CONNECTIONS REFRIGERANT PIPES Sizing of the refrigerant pipes connecting the external con denser units and internal evaporator units is vital to guarantee correct operation The table on pages 8 and 9 gives the diameters of pipes for con necting the HED HCAT SE units the maximum admissible REFRIGERANT CIRCUIT HCAT SE refrigerant and electrical components If the site is exposed to strong winds fix the unit adeguately 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 discharged to be recycled installation in sites with an aggressive atmosphere installation in confined spaces where the sound levels of the appliance cou
29. it outputs 4 5 Serious alarm Off Alarm 1 Off Id Digit outputs 9 11 Compressor 2 Heat el 2 Humidif B The display page 13 shows the status of the digital inputs 1 3 The display page 15 shows the status of the digital inputs 7 8 The display page 17 shows the status of the digital input 12 The display page 19 shows the value of the cond fan 1 and Cond fan 2 The display page Ib shows the status of the digital outputs 4 5 The display page Id shows the status of the digital outputs 9 11 MAINTENANCE MAN Printer Inputs O utputs Clock Setpoint User MANUFACTURER KO clock adj Time The display page is used Date _ _1_ to adjust the time and date Click on the Esc key to return to the main display page To access the main menu click on the programming key To enter the Clock menu position on Clock with the scrolling selectors and click on the enter key HED HCAT SE FREE COOLING ENGLISH MEN MAINTENAN CEMAN Printer Inputs O utputs Clock Setpoint U ser MANUFACTURER Visual setpoint SO Temperature C Humidity Temperature C Humidity ba Offset S2 Unit of measurement Freecooling C Freec enable Yes No C lick on the Esc key to return to the main display page To access the main menu click on the programming key To enter the Setpoint menu position on Setpoint with the scrol
30. lave board Umpteenth address n u an v pLANSOFTWARE CONFIGURATION pLAN software configu ration operations are carried out on the board configured as Master Maintenance man Printer Click on the Esc key to return to the main display page Inputs O utputs Clock To access the main menu click on the programming key Setpoint To enter the Manufacturer menu position on Manufactu rer with the scrolling selectors and click on the enter key zo Select the password with the scrolling selectors to access the menu for setting the maintenance parameters Factory value 1234 Manufacturer Range 0 9999 password 0000 The MANUFACTURER menu CONFIGURATION Parameters Insert the password to access the manufacturer menu Carel EXV Driver Use the scrolling selectors to position on CONFIGURA Delay times TION and click on the enter key Initialization Cf Unit configuration U1 present rotation U2 present rotation U3 not present The mask Cf which only activates for pLAN configuration is used to define the class of participation in pLAN of boards 1 3 Factory value present no rotation Range present rotation present no rotation not present Set the configurations according to the enclosed display page Cg Unit configuration U 4 not present U5 not present U 6 not present The mask Cg whi
31. ld be amplified by reverberation or resonance installation in corners where dust leaves or other materials 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 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 3 Fan Flared connection Heat exchanger Liquid receiver Filter 3 way valve gas side Flared connection Pressure tap HED HCAT SE FREE COOLING 3 way valve liquid side Low pressure switch Compressor O il sump heater High pressure switch ENGLISH The HCAT SE units are pre filled with a sufficient guantity of refrigerant for connection to the corresponding HED internal unit and for a maximum pipe length of 5m PROCEDURE FOR CORRECT CONNECTION Intake discharge piping 1 Insulate the piping adeguately with anti condensate every 6m and an air trap should be included before the closed cell type polyethylene to a minimum thickness internal unit see Fig 3 of 9 mm 5 W hen installing the piping
32. ling selectors and click on the enter key The display page SO shows the temperature set point and humidity si The display page S1 is used to change the temperature set point and humidity The display page S2 is used to change the damper offset value The display page S2 is used to enable or disable the damper Yes N o MAIN TENAN CEMAN Click on the Esc key to return to the main display page To access the main menu click on the programming key To enter the User menu position on User with the scrol ling selectors and click on the enter key Select the password with the scrolling selectors to access the menu for setting the maintenance BEN ENGLISH Printer Inputs O utputs Clock Setpoint User MANUFACTURER Password PO parameters User 0000 Factory value 1234 Range 09999 Setpoint limit PI The mask P1 is used to change the Temperature temperature setpoint minimum j and maximum limit Min gt Range 99 9 99 9 Max C Unit of measurement Temperature P3 The mask P3 is used to change a The Heating and Cooling Coll diff __ _ C proportional temperature bands Heat diff ak 226 Range 0 100 Neutral zone ___ Unit of measurement C b The neutral temperature zone Range 0 99 9 Unit of measurement HED HCAT SE FREE COOLING Setpoint limit P2 The mask P2 is used to change the Humidity Humidity setpoint minimum and maximum limit
33. make sure all bends have a 2 If the external unit is lower than the internal unit a large radius Avoid hairpins D o not squash the pipes siphon must be fitted to avoid fluid returning towards the compressor see Fig 1 Liquid piping 3 If the external unit is higher than the internal unit by l Avoid using excessive diameters to avoid excessive less than 6m it is sufficient to fit an air trap before the refrigerant content internal unit see Fig 2 2 If the piping is exposed to heat sources insulate it 4 f the external unit is higher than the internal unit by appropriately more than 6m an oil collection siphon should be fitted gt D D 5 5 x Minimum difference level ENGLISH HED HCAT SE FREE COOLING SIZING OF REFRIGERANT PIPES E H SIZING CONNECTION PIPING IN RELATION TO EQUIVALENT DISTANCE Model 0011 0021 0031 0041 005 0061 Type of pipe0 10 m eq Intake dischar ge d mm 16 16 18 Liquid mm 10 10 12 Type of pipe 10 20 m eq Intake dischar ge d mm 16 18 22 Liquid d mm 10 10 12 Type of pipe 20 30 m eq Intake dischar ge d mm 18 18 28 Liquid d mm 10 10 16 Pipe diameter 10 Size of pipe Intake gr m Discharge gr m Liquid gr m N B Attenzione l aggiunta di gas comporta un aggiunta di olio lubrificante nella misura del 1096 del peso del gas refrigerante
34. n Coo air conditio Cooling ling ner ON OFF b 1 ON OFF re ON OFF gulation for gulation for l connection connection of heating of compres element of sor of single i single air air conditio conditioner l l 1 bog 1a 3e 7 10 14 18 225 26 30 35 40 45 50 Room temp 5 9 23 27 Microprocessor card programming for the control of the single air conditioner in the system 1 Function of rotation of sequence of connection of the air conditioners on the basis of the switching off of the last compressor with prio rity of switching on for the other compressor unless already operating with daily reset of the frequency 2 W ith lt AT gt 3 C Free Cooling mode W ith Taz12 C eTi Ta ATz2 C alarm signal due to Free Cooling air lock or electric heater anomaly EZE ENGLISH HED HCAT SE FREE COOLING UNIT CONTROLLER E H Alarm warning Character display Scrolling selectors Programming key Exit from menus Prg Esc 2 59 Enter key Unit controller Standard display Alarm display Prg Esc 2 D E Display and editing of unit parameters HED HCAT SE FREE COOLING The standard display page shows the m
35. n the enter key Timing Initialization BMS Network Y N CO Print Y N Select of temp C Refrigerant __ Freecooling ____ Compressor together Greecooling Y N Dehumid Gi ENGLISH The mask CO can be used to change a Enabling of the BMS Range N Y b Enabling of the printer Range N Y c Unit of measurement of the sensors and the temperature parameters from Celsius to Fah renheit Range C F The mask C1 can be used to change a Type of refrigerant Range R22 0R134a R404a R407C R410A b Type of Freecooling Range 0 10V 3 points c Enabling of simultaneous freecooling and compressor operation Range N Y The mask C2 is used to enable the humidifying or dehumidifying function RangeY N HED HCAT SE FREE COOLING C3 Compressors 1 Heat el 1 C4 Enable modulation Delivery fan Yes C5 condensation Yes Coil Single No of fans 1 C7 Configuration Analog input 1 Pressure Circ 1 C8 Configuration Analog input 3 Circ pressure 2 C9 Press sensor LY Type Current Min thresh 00 0bar Max thresh 30 0bar The mask C3 is used to change for pC 020medium only the number a of compressors Factory value 1 Range 1 2 b of heating elements Factory value 1 Range 1 2 Binar The display page C4 is used to enable the modulating delivery fan Factory value Yes Range Yes
36. ng of the season you are recommended to contact gualified personnel for the seasonal start up To guarantee efficient long term operation of the unit a number of essential and simple operations and checks should be carried out These do not reguire the inter vention of gualified personnel but can be carried out by the user 1 Checking the state of cleanliness of the air filters 2 Checking the coil 3 Checking the structural condition of the unit CHECKINGTHE STATE OFAIR FILTERS D epending on the environment in which the internal unit is installed the air filters must be cleaned periodically In particularly dusty atmospheres the air filters should be cleaned every three months and you are recommended to have a differential pressure switch installed to indicate when the filters are dirty Removing and cleaning filters 1 Remove the fixing screw then the door 2 Remove the air filter gently from the bottom avoiding dispersion of dust in the atmosphere 3 Wash the filtering layer with warm water and ordinary detergent rinse and dry thoroughly 4 Replace the filter 5 Replace the door and fix with the screw CHECKINGTHE COIL 1 Remove encrustation and dirt from the coil 2 Check that the aluminium fins are not bent If neces sar y straighten them using a special tool to restore cor rect air flow through the coil This should be done by qualified personnel only CHECKING THE STRUCTURAL
37. nits in pLAN network Factory value 24 Range 1 240 Set the configurations according to the enclosed display page The mask Gc which only activates in the plan mode is used to define a enabling of support in cooling heating of unit in pLAN network Factory value Y ES Range YES N O b forcing delays for low and high ambient temperature Factory value 003 003 Range 000 999 Set the configurations according to the enclosed display The mask Gd which only activates in the plan mode is used to define a the low ambient temperature differential for forcing network units Factory value 8 0 C Range 0 0 99 9 C b the low ambient temperature offset for forcing network units Factory value 4 0 C Range 0 0 99 9 C Set the configurations according to the enclosed display page The mask Gd which only activates in the plan mode is used to define a the high ambient temperature differential for forcing network units Factory value 8 0 C Range 0 0 99 9 C b the high ambient temperature offset for forcing network units Factory value 4 0 C Range 0 0 99 9 C Set the configurations according to the enclosed display page HED HCAT SE FREE COOLING TROUBLESHOOTING H PROBLEM The fan does not ee rro cooling h Noise and vibration CAUSE REMEDY Mains power failure PEERS Check presence of power Check fuse on terminal block
38. nter the Parameters menu use the scrolling selectors Initialization to position on Parameters and click on the enter key The mask G1 is used to select the type of temperature regulation Range prop P 1 Regulation Type mee HED HCAT SE FREE COOLING Freecooling G2 Min ___ Max arre Min aperture cos M Modulating Fan Speed G4 Stop deumidif Differential NUNG O ffSet C Condensation G6 Setpoint _ _ bar Different __ bar Speedup time ___sec The mask G2 is used to set a the percentage of the freecooling minimum aperture proportional band Range 0 0 100 0 b the percentage of the freecooling maximum aperture proportional band Range 0 0 100 0 c the minimum freecooling aperture Range 0 0 100 0 Unit of measurement Volt Low Temperature limits Screen for Dehumidification The mask G7 is used to set a the condensation setpoint tempe rature Range 99 9 99 9 Unit of measurement C F b the condensation differential tem perature Range 99 9 99 9 Unit of measurement C F c the condensation modulating fan speed up time Range 0 99 Unit of measurement Seconds Modulating Fan SpeedG3 Min Speed M Max Speed ES D eum Speed _ V Pressure probe G5 High Press __ bar Differ HP Condensation Fan G8 Max speed AN Min speed V Modulating Fan speed Screen High pressure probe set poin
39. on the programming key To enter the Inputs Outputs menu position on Inputs O utputs with the scrolling selectors and click on the enter key The display page shows the value of the ambient tempe Analog input 1 Amb temp C rature external temperature Ext temp NE and supply air Deliv temp 222 HED HCAT SE FREE COOLING 12 Analog inputs Cond temp 1 ___9 Cond temp 2 TO 14 Digit inputs 4 6 Air flow 0 Air filter 0 Blackout 0 16 Digit inputs 9 10 C2 low press 0 Alarm C2 0 Heat el TCO2 0 18 Analog output Damper 00 0V Fan 00 0V la Digit outputs analog la D eliv fan Off Compressor 1 Off Heat el 1 Off Ic Digit outputs 6 8 lc Alarm 2 Off O pen damper Off Closed damper Off The display page I2 shows the gas condensation temperatu re The display page 14 shows the status of the digital inputs 4 6 The display page 16 shows the status of the digital inputs 9 10 The display page 18 shows the value of the Damper and the Fan The display page Ia shows the status of the digital outputs 1 3 The display page Ic shows the status of the digital outputs 6 8 Digit inputs 1 3 C1 low pressure 0 Alarm C1 0 Heat el TCO 1 0 15 Digit inputs 7 8 fire smoke 0 fan TCO 0 17 Digit input 12 Aux alarm 0 19 Analog output Cond fan 1 00 0 V Cond fan 00 0 V Ib Dig
40. ordance with legislation in force in the country concerned Respect instructions for connecting phase neu ELECTRICAL POWER CONNECTIONS To connect the unit to make it operative insert the power cable of the electric control panel inside the unit and con nect to the terminals U phase N neutral and PE earth ENGLISH tral 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 This protection device should also act as a main switch and if not visible from the electrical panel of the unit should be lockable A Voltage must be within a tolerance of 10 of the rated power supply voltage for the unit If this is not the case 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 manufac turer of all liability for damage inserting a suitable residual current circuit breaker with on off switch between the power outlet and the unit HED HCAT SE FREE COOLING ELECTRIC HEAT ELEMENT POSITIONING 0011 0021 0031 Electric heat element kW 1 5 GENERALTECHNICAL DATA
41. plied with the unit must be consigned to the owner who should keep it carefully for future consultation W hen the items are consigned by the trans porter check that the packaging and the unit are W hen operating equipment involving the use of electricity and refrigerant gas a number of fundamental safety rules must be observed namely 2 ENGLISH 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 sup ply by placing the mains switch in the off position Do not modify safety or regulation devices with out authorisation and instructions from the manu facturer Do not pull detach or twist the electrical cables coming out of 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 a mosphere Avoid contact with the refrigerant gas as it is potentially hazardous undamaged If damage missing components or consignment er rors are noted indicate this on the delivery note A formal complaint should be
42. pressor 1 00 000h Click on the scrolling selectors to display the current sta tus of the machine STATUS SCREEN MO PEDEM REPE ARES Temperature C Humidity uu 96 O ff Alarm 0 00 If active it becomes D Click on the parameters menu to access the following sub menus To enter the Maintenance Man menu Using the scrolling selectors position on MAIN TE NANCEMAN and click the enter key Display page with the software version date and language Display page with the bios Boot Manual and software ver sion Display page with the hours of operation of the main fan Display page with the hours of operation of compressor 1 B ENGLISH HED HCAT SE FREE COOLING A4 press alarm key for record A5 Maintenance man password 0000 A6 C hange of hours of operation Fan Compress 1 Compress 2 A7 Limit of hours of operation x1000 Fan 99 Compl 99 Humidify 99 Comp2 99 A8 Sensor offset Humidity ___ Transducer _ _ _ bar Pressure2 _ _ A8 Sensor offset Ambient temp 00 0 C External temp 00 0 C Delivery temp 00 0 C Aa Sensor offset Condens temp __ _ C Cond temp 2 aure Ab Manual procedure Digit output 01 Off Digit output 02 Off Digit output 03 Off Ac Manual procedure Digit output 04 Off Digit output 05 Off HED HCAT SE FREE COOLING Press the alarm warning key to display all the stor
43. r on min time 0000 sec T6 Compressor time btwn on on 0360sec D iff compressor start time 0010 sec ENGLISH the display page T 1 is used to set a b the integration time for temperature regulation Factory value 600 Range 0 9999 Unit of measurement seconds freecooling 3 point swing time Factory value 180 Range 0 9999 Unit of measurement seconds the display page T 2 is used to set a b the low pressure alarm delay Factory value 240 Range 0 9999 Unit of measurement seconds the high low temperature humidity alarm delay Factory value 180 Range 0 9999 Unit of measurement seconds The display page T 3 is used to set a b b the Serious alarm relay trip delay Factory value 0 Range 0 999 Unit of measurement seconds the Minor alarm 1 relay 5 trip delay Factory value 0 Range 0 999 Unit of measurement seconds the Minor alarm 2 relay 6 trip delay Factory value 0 Range 0 999 Unit of measurement seconds The display page T 4 can be used to set the delay of the dirty filter and air flow status alarms Factory value 20 Range 0 9999 Unit of measurement seconds the display page T5 can be used to set the minimum duration of compressor switching off and on Factory value 180 0 Range 0 9999 Unit of measurement seconds the display page T6 is used to set a b the delay between compressor starts Factory value 360 Range 0 9999
44. rain the fan this prevents air being sucked up by the drain hose 4 Connect the condensate drain pipe to a rainwater drainage system Do not connect to the sewage system as odours may be sucked up if the water in the siphon evaporates 5 After connecting check correct drainage of the con densate by pouring water into the pan ENGLISH REFRIGERANT CIRCUIT E H 1 Flared gas pipe connection 2 Flared liquid pipe connection 3 Finned coil Fan 5 Expansion device POWER CONNECTIONS direct expansion terminals leave the factory complete ly wired and ready for connection to the mains electricity supply accessories and the receiver The receiver must be connected using shielded cable to avoid radio interference which could lead to malfunctioning All electrical connec tions 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 that the characteristics of the mains electricity supply are adeguate for the absorptions indicated in the electrical characteristics table below also bearing in mind the pos sible use of other eguipment at the same time Power to the unit must be turned on only after installation work mechanical hydraulic and electri cal has been completed All electrical connections must be carried out by gualified personnel in acc
45. ressor with sump heater and thermal cut out CONDENSER Made using copper tubes and aluminium fins with a high exchange surface area Connections with cocks and flared fittings FANS Statically and dynamically balanced low revolution external impeller axial flow fans Six pole electric motor with built in thermal cut out Housed in aerodynamic draught tubes with accident pre vention grill Device for operation according to outsi HED HCAT SE FREE COOLING de air temperatures continuous regulation of fan rota tion speed via temperature transducer REFRIGERANT CIRCUIT The unit features a refrigerant circuit with the following components filter liquid receiver safety pressure switches to control discharge and intake pressure Unit supplied complete with non freezing oil and R407C refrigerant fac tory tested POWERAND CONTROL ELECTRICAL PANEL Power and control electrical panel constructed in accor dance with IEC 204 1 EN 60204 1 complete with compres sor contactor thermal overload switch and door lock sa fety device Control via HSA 2 control panel OPTIONAL ACCESSORIES Rubber vibration dampers W all mounting brackets Condensate pan mod 0071 The above accessories are optional Consult the relative documentation for assembly instructions and technical da ta Finned coil Electrical panel High pressure switch Liquid receiver Liquid valve Gas valve
46. t for condenser fan modulation The mask G8 is used to set the mi nimum and maximum speed of the modulating condensation fans Range 00 0 10 0 Unit of measurement Volt H P cond prevent G9 The mask Ga is used to a enable the high pressure Enable No Yes alarm prevent function Setpoint bar Range No Yes Different bar Unit of measurement C F b set the Prevent function tem perature setpoint tempera ture Range 99 9 99 9 Unit of measurement C F c set the Prevent function tem perature differential tempe rature Range 99 9 99 9 Unit of measurement C F Configuration Click on the Esc key to return to the Manufacturer menu Parameters Gezi To enter the Delay times menu use the scrolling selectors Initialization to position on Delay times and click on the enter key Timing TO The display page TO is used to set the delay of the delivery fan start up Range 0 999 Start fan SEC Unit of measurement seconds D ealy time Stop fan ___ sec HED HCAT SE FREE COOLING ENGLISH T1 Integr time Only P 1 0600 sec O pening time 3p D amper ____SeC T2 Low pressure alarm delay 0240sec High low Temp H um alarm display 0180sec T3 Serious alarm delay rel 4 000sec Minor 1 rel5 000sec Minor 2 rel 6 000sec T4 Filter alarm delay 0020sec Air flow alarm delay 0020 sec T5 Compressor alarm delay 01080 sec Compresso
47. tomer taking the following points into consideration check that the fixing points are adequate to support the weight of the unit pay scrupulous respect to safety distances between the unit and other equipment or structures see Functional Distances install the unit with a minimum slope of 2 mm m to guar antee condensate drainage Size A mm B mm 0011 0021 0041 960 600 Tie rod Ceiling re FUNCTIONAL DISTANCES POSITIONING Before handling the unit check the capacity of the lift eguipment used respecting the instructions on the packag ing To move the unit in the horizontal make appropriate use of a lift truck or similar bearing in mind the weight dis tribution of the unit Units are supplied with the following accessories to facili tate installation support brackets threaded tie rods for ceil ing fixing vibration dampers washers and fixing bolts The figure below illustrates the installation procedure The figure below illustrates the installation procedure damper Wascher Nut A EE ENGLISH HED HCAT SE FREE COOLING REFRIGERANT PIPE CONNECTION i REFRIGERANT PIPES Sizing of the refrigerant pipes connecting the external con denser units and internal e
48. uate 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 Electrical connections should be carried out as indicated in the instructions to guarantee correct operation of the unit Handle the unit with the utmost care see table on page 3 and avoid damaging it HED HCAT SE FREE COOLING en m HED SE direct expansion terminals can 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 Tampering with or the removal or absence of rating plates or other means enabling the unit to be identified causes problems during installation and maintenance POTENZA FRIGO RIFERA TERMICA ANNO DI FABBRICAZIONE RECEIVING AND HANDLING THE PRODUCT 0 M HED SE FC direct expansion terminals and HCAT SE condenser units are supplied accompanied by instruction manual guarantee certificate CE declaration These are contained in a plastic bag attached to the top of the unit The unit should always be handled by qualified personnel using equipment adequate for the weight of the unit A The instruction manual is an integral
49. urement bar The mask Cc enables the humidity sensor not pC 01xs Cc Humidity probe Y N Range Y N Type V Enabling the sensor with the Y command permits Threshold min _ _ _ a changing of the minimum and maximum value measured by the humidity sensor not pC 01xs Threshold max _ _ _ _ Factory value 0 0 100 0 Range 0 100 Unit of measurement r h changing the type of humidity sensor signal not pC 01xs Factory value 0 10V Range 0 1 0 10V Current The mask Cd is used to Temperature probe a select the type of ambient temperature sensor signal Type Range NTC PT1000 Supply air probeYes b enable the delivery Sensor Type ___ Range Yes N o C select the type of ambient temperature sensor signal Range NTC PT1000 Ce The mask Ce is used to VN a 4 temperature sensor T b select the type of external temperature sensor signal Range NTC PT1000 Digital O utPut configuration O utPut Config C1 Digital OutPut configuration Normally open or close Normally open or closed Air Flow Al Aes Free Al Filter NM Ht Fan Al do CompresAl MAN Lt Comp Al zn OutPut 5 6 Config Cm Digital O utPut 5 6 configuration 5 High temperature alarm Dout 5 N TAL or Dout 6 N TAL Main fan status 6 Low temperature alarm or Compressor status Configuration Click on the Esc key to return to the Manufacturer menu Parameters Carel EXV Driver D elay times To e
50. vaporator units is vital to guar antee correct operation The operation must be carried out with care by specialised personnel only INTAKE 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 to the two units and free from moisture to allow efficient venting LIQUID PIPE To connect proceed as follows 1 Connect the pipe to the liquid union coupling using two spanners 2 Insulate the outside of the pipe and the coupling Remember to add R407c refrigerant gas if the pip ing is more than 5m long 0011 0021 0041 58 gr m Liquid connection CONDENSATE DRAIN PIPE CONNECTION This operation must be carried out with particular care The unit is fitted with a gravity drainage condensate drain pan with an open connection on the back of the unit The pipe should have an internal diameter of at least 16 mm The drain connection has an external diameter of 18 mm Per the sequence follow to the following instructions see figure 1 Connect the condensate drain hose to the pan outlet with a hose clip 2 Make sure the drain pipe has a slope of at least 2 cm m without obstructions or bottlenecks 3 Fit a siphon By eliminating the pressure drop caused by HED HCAT SE FREE COOLING Gas connection Condensing d
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