Immergas AUDAX PRO 4 V2 Instructions And Warnings Download

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AUDAX PRO

4 - 6 - 9 V2

Outdoor

Condensing

Unit

Instructions and warnings

Installer and

Maintenance technician

*1.044631ENG*

*1.044631EN

Summary of Contents for AUDAX PRO 4 V2

Page 1: ...AUDAX PRO 4 6 9 V2 Outdoor Condensing Unit IE Instructions and warnings Installer and Maintenance technician 1 044631ENG 1 044631ENG ...

Page 2: ...4 6 7 How to connect extension cables 25 7 Checking correct earthing 27 8 Installation of chiller lines 28 8 1 Allowed length of the refrigerant pipe and installation examples 28 8 2 Selection of refrigerant pipe 29 8 3 Keep the refrigerant pipe clean and dry 29 8 4 Cutting and flanging of pipes 30 8 5 Choose the insulation of the refrigerant pipe 32 8 6 Insulating the refrigerant pipe 32 8 7 Braz...

Page 3: ...nd routine maintenance contact Authorised Service Centres they have original spare parts and are specifically trained directly by the manufacturer Correct disposal of the product Waste electrical and electronic equipment Applicable in Countries with separate waste collection systems When this symbol is applied on the product on the accessories or on its documentation it means that the product and ...

Page 4: ...omething strange such as a loud noise or burnt smell To prevent electrocution fire or injury always switch off the unit disable the protective switch and if smoke escapes or if the unit is extremely noisy contact the Authorised Technical Service Centre Remember to inspect the unit at regular intervals including the electrical connections the refrigerant pipes and the protections These operations m...

Page 5: ...the circuit switch of the capacity specified in compliance with local and national standards in force If they are not installed properly they can cause electric shocks and fires Make sure that condensate exits properly from the unit at low room temperature Do not allow frost or ice to form on the drain pipe or on the heater If the drain is not done properly for release of condensate the units coul...

Page 6: ...ow flammability material WARNING FOR INSTALLER Read the instruction booklet carefully before installing the product NOTE FOR INSTALLER Indicates useful tips or additional information for the installer WARNING FOR USER Read the instruction booklet carefully before using the product READ AND UNDERSTAND THE INSTRUCTIONS Read and understand the appliance s instructions before performing any operation ...

Page 7: ... accessories at hand until installation is finished Give the installation manual to the customer at the end of installation The amounts are indicated in brackets The outdoor condensing unit of the basic heat pump for interiors works according to the outside climate Installation manual 1 Drain plug 2 Rubber feet 4 Drain plug 3 ...

Page 8: ...gerant control method EEV Chiller line section liquid phase ø 1 4 Chiller line section gaseous phase ø 5 8 Sound pressure level central heating cooling dB A 44 46 47 47 49 49 Sound power level central heating cooling dB A 58 61 60 62 64 63 Operating field central heating cooling C 25 35 10 46 Weight net gross kg 46 5 49 5 73 0 81 5 Dimensions L x H x D overall clearance mm 880 x 638 x 310 940 x 99...

Page 9: ... 26 15 139 211 638 358 361 880 310 229 934 231 LP GP 342 375 25 360 998 620 973 940 19 330 40 384 LP GP 9 General dimensions in mm Audax Pro 4 6 V2 General dimensions in mm Audax Pro 9 V2 3MAIN COMPONENTS ...

Page 10: ...the sea breeze Even when it is inevitable to install the appliance along the seacoast make sure it is not exposed directly to the sea breeze by installing a protective wall 2 Consider that the saline particles which adhere to the external panels must be sufficiently washed 3 Since residual water at the bottom of the outdoor unit signif icantly promotes corrosion make sure the slope does not affect...

Page 11: ...be kept clear of obstacles Follow the local laws and standards to dispose of the product Do not work in a closed area The work area must be blocked The refrigerant pipes must be installed in a position where there are no substances which can cause them to corrode The following checks must be carried out for installation The fan devices and the outlets work properly and are not obstructed The signs...

Page 12: ...LATION OF THE AREA Make sure that the work area is well ventilated before performing hot work Ventilation must also be carried out during work Ventilation must safely disperse all of the released gases and preferably expel them into the atmosphere 4 6 LEAK DETECTION METHODS The leak detector must be calibrated in an environment without refrigerant Make sure that the detector is not a potential sou...

Page 13: ...acceptable level to guarantee that no flammable refrigerant remains in the lubricant The evacuation procedure must be performed before sending the compressor to the supplier Only electrical heating of the compressor body is allowed to speed up the process The oil must be safely drained from the system Never install a motorised appliance to avoid ignition Empty recovery cylinders must be vacuum and...

Page 14: ...The top of the outdoor unit and the air outlet are opposite the wall The top of the outdoor unit and the air outlet are towards the wall When the front and rear parts of the outdoor unit are towards the wall When the air outlet is towards the wall 300 or more 300 or more 600 or more 1500 or more 1500 or more 300 or more 1500 or more 300 or more 300 or more 600 or more 2000 or more Unit mm ...

Page 15: ...When the air outlet is towards the wall 1500 or more Unit mm When 3 sides of the outdoor unit are blocked by the wall 300 or more 300 or more 600 or more 600 or more 1500 or more 3000 or more 3000 or more 300 or more 600 or more 600 or more 600 or more 600 or more When the front and rear parts of the outdoor unit are towards the wall When the front and rear parts of the outdoor unit are towards th...

Page 16: ... the rubber washer so that the connection part of the bolt to the outdoor unit is not subject to corrosion Make a discharge hole around the base for drainage of the outdoor unit If the outdoor unit is installed on the roof you must check the resistance of the ceiling and waterproof the unit 4 13 MOUNT OF OUTDOOR UNIT Outdoor unit installed on the wall with mount Make sure that the wall is capable ...

Page 17: ...e on the bottom side of the outdoor unit Connect the drain pipe to the drain sleeve Make sure that no dust or small branches clog the drain pipe ATTENTION insufficient drainage could downgrade performance and damage the system 1 Prepare a water discharge channel around the base to drain the water around the unit 2 If the water does not drain easily lift the unit onto a cement blockbase etc theheig...

Page 18: ...nd the ground see figure 18 When you install the product make sure that the mount is not positioned below the drain hole Make sure that the drain water flows out correctly and safely Snow proof roof Frame Ground Estimated snowfall ATTENTION in zones subject to heavy snowfalls the snow buildup could block in the air vents To avoid this occurrence install a frame higher than the estimated level of t...

Page 19: ... snow does not affect the unit If blow ing lateral snowfalls are possible check that the coil of the heat exchanger is not affected by the snow if necessary build a side snow cover see figure 19 Install the unit high enough above the ground so that it cannot be buried in the snow The fan inside the outdoor unit runs regularly as established to prevent snow from building up inside the outdoor unit ...

Page 20: ...and electric leakage 5ELECTRICAL CONNECTIONS 5 1 GENERAL CONFIGURATION OF THE SYSTEM Connection of power cable single phase 2 wires Distribution board Single phase with 2 wires 220V 240V Protection switch Communication cable Outdoor unit Indoor unit Unit supply voltage System integrating resistance supply voltage Single phase with 2 wires 220V 240V Single phase with 2 wires 220V 240V Earth ...

Page 21: ...ENELEC H05RN F This appliance complies with standard IEC 61000 3 12 6 2 SPECIFICATIONS OF CONNECTING CABLES Power supply Max Min V Communication cable 1Φ 220 240 V ac 50 Hz 10 from 0 75 to 1 5 mm 2 wires Use H07RN F or H05RN F grade materials for the connection cable 23 If the outdoor unit is installed in a computer room in a network room orinaserverroom orwherethereistheriskofdisturbance of the c...

Page 22: ...ust be laid in conduits With an adequate pro tection rating IP and choice of materials for the application made Check that the main power connection is performed by means of a switch which dis connectsallthepoles withacontactopening of at least 3 mm The devices disconnected from the electric mains must be completely disconnected in the overvoltage category condition Maintain a distance of 50 mm or...

Page 23: ...n the outer casing of the powercableandofthecommunicationcable at least 20 mm in electric parts The communication wiring should be made separately from the power cable and from other communication cables Single phase with 2 wires Switch Earthing Communication cable between indoor units and outdoor units Earth cable U Trap Communication cable Indoor Unit ...

Page 24: ... that they do not get tangled 6 6 INSTALLATION OF EARTHING WIRE Earthing must be carried out by technical personnel profession ally qualified regarding safety Use the earth wire referring to the specifications of the electric cable from the outdoor unit Power cable earthing Earthing standards may vary depending on the voltage and rated voltage of the place of installation of the condensing unit Ea...

Page 25: ...26 when using only the earth terminal Figure 27 when earthing the electric panel 6 7 HOW TO CONNECT EXTENSION CABLES 1 Prepare the following instruments Tools Crimping pliers Connection sheath mm Electrical tape Contraction sheath mm Specifications MH 14 20x ø 6 5 HxOD Width 19 mm 70x ø 8 0 LxOD Shape 2 As shown in figure 28 strip the screen from the rubber and from the wire of the power cable Str...

Page 26: ...ress 4 times 5 Wrap it in at least two turns of electrical tape and position the contraction sheath in the middle of the tape Three or more layers of tape are required 32 Electrical tape Electrical tape Method 1 Method 2 40 mm 35 mm 6 Heat the contraction sheath to contract it 33 Heat shrink tube 7 After having completed the contraction stage finish the oper ation by wrapping it with electrical ta...

Page 27: ...ed cables At least 2 m from a lightning conductor and from its cable The earth wire for the telephone line cannot be used to earth the condensing unit 3 Finish by wrapping electrical tape around the pipes in the di rection of the outdoor unit 4 Install a green yellow earth wire If the earth wire is too short mechanically connect an extension cable and wrap it with electrical tape do not bury the c...

Page 28: ...vent the pumped oil from flowing back when the intake pump is stopped Use a vacuum pump suitable to reach the necessary degree of vacuum Countersunk nut Use only the countersunk nut supplied with the product 8 1 ALLOWED LENGTH OF THE REFRIGERANT PIPE AND INSTALLATION EXAMPLES The maximum lengths of the chiller lines are listed below based on the condensing unit model and the type of installation D...

Page 29: ... above table into consideration or the requirements of local laws regarding the minimum installation surface of the rooms The minimum installation height of the indoor unit is 0 6 m when installed on the ground 1 8 m when wall mounted and 2 2 m when ceiling mounted 8 2 SELECTION OF REFRIGERANT PIPE Capacity of outdoor unit kW Liquid side mm Gas side mm AUDAX PRO 4 V2 ø 6 35 ø 15 88 AUDAX PRO 6 V2 ...

Page 30: ...not drop inside 4 Insert a countersunk nut into the pipe and modify flaring 5 Check that the pipe is correctly countersunk Figure40showssomeexamplesofincorrectlycountersunkpipes 6 Align the pipes connect them easily First tighten the counter sunk nuts with your hands and then with a torque wrench at the tightening torque values indicated in the table in figure 41 Overtightening can cause gas leaks...

Page 31: ...ly when the refriger ant is not in circulation When reconnecting the piping make sure that the flares are retightened to avoid re frigerant leaks When working on the pipes and on the flexi bleconnectionsoftherefrigerant makesure that they are not damaged by surrounding objects For installation while handling the refriger ant R 32 use special instruments for refrig erant R 32 pressure gauge vacuum ...

Page 32: ...gree g m 24h 15 or less KSA 1013 01 Dispersion of formaldehyde mg l KSF 3200 02 Oxygen rate 25 or less ISO 4589 2 96 8 6 INSULATING THE REFRIGERANT PIPE You must check that there are no gas leaks before completing the entire installation process Use EPDM insulation which meets the conditions described in the table in figure 43 Make sure to insulate the refrigerant pipes the joints and the connecti...

Page 33: ...s leaks If the pressure has changed use soapy water to find out where the leak is Recheck the pressure of the nitrogen gas Maintain a pressure of 1 0 MPa before putting under vacuum and again check for any gas leaks After having checked the first gas leak keep pressure at 1 0 MPa to check for further gas leaks Make sure to use a solution for the recommended bubble test to look for gas leaks Soapy ...

Page 34: ...ide the pipe Apply pressure with nitrogen at 0 05 MPa relative pressure Create vacuum until the vacuum degree reaches a value less than or equal to 750 mTorr for at least two hours and reevaluate the degree of vacuum Pressure increase Yes No 8 9 CREATING VACUUM The following procedure refers to Audax Pro 9 V2 In the other cases the procedure is the same except for the fact that there is only one s...

Page 35: ...g PRECAUTIONS ON ADDING RE FRIGERANT R 32 In addition to the standard charging procedure the following requirements must be met Make sure there is no contamination by other refrigerants for charging To minimise the amount of refrigerant keep the flexible hoses and lines as short as possible The cylinders must be upright Make sure that the chilling system is earthed before charging Label the system...

Page 36: ...ccordingly see figures 48 49 Fill in the following form with indelible ink on the refrigerant charge label supplied with this product and on this manual 1 refrigerant charge of product in factory 2 amount of additional refrigerant charged on site 1 2 total refrigerant charge Type of refrigerant GWP value R 32 675 GWP Global Warning Potential Calculation tCO2 e kg x GWP 1000 Unit Kg tCO2 e 1 a 2 b ...

Page 37: ...ning refrigerant Adding refrigerant in heating 1 When recharging the refrigerant in heating connect the low pressure pipe from the manifold pressure gauge to the recharge intake door 2 Press the function key to add refrigerant in heating mode 3 Open the valve on the recharge intake door after 20 minutes of operation 4 Open the valve on the low pressure side of the manifold pressure gauge to rechar...

Page 38: ...ial tools Otherwise the contact surface between the valve stem and sealing edge could be damaged and refrigerant could leak through this damaged surface If refrigerant leaks turn the valve stem halfway back and re tighten then check the leak If there is no more leak tighten the entire valve stem 3 Firmly tighten the cap 8 14 OPENING THE VALVE STEM 1 Remove the cap 2 Turn the valve stem anticlockwi...

Page 39: ...ilter Filter Filter Filter EEV EEV Compressor Compressor Storage tank Storage tank Silencer Compress temp sensor Compress temp sensor Drain temp sensor Drain temp sensor High pressure switch High pressure switch 4 way valve 4 way valve Outdoor air temperature sensor Outdoor air temperature sensor Coil temperature sensor Silencer ...

Page 40: ...d BLUE Blue WHT White YELLOW Yellow BRN Brown SKY Sky blue GRN Green Key A Optional B Thermistor value 25 C 77 F at 10k Ω 25 C 77 F at 200k Ω C Reactor D Download E Inverter board F Eco download G Eco comm H Hot gas I EMI filter L Internal comm M Main AC power supply N Earth O H pressure switch P Dred PCB Q 4 way R Dred 1 2 3 ...

Page 41: ...nverter board F Internal comm G High pressure switch H High pressure switch I Table 1 1 external fan blue pipe 2 external fan white pipe L Comm optional M High pressure sensor N Low pressure sensor O 4 way 1 P Download Q Water inlet outlet 25 C 77 F 10K R Pipe intake diam 25 C 77 F 10K S PBA basic heater T Heater U OLP temperature V Drain temperature W Air conditioner temperature X Outside tempera...

Page 42: ...o interrupt for the operating conditions of the indoor unit see the relative booklet KEY Operations on KEY 7 segment display K1 Press once Execution of heating test EMPTY EMPTY Press twice Execution of the defrost test EMPTY EMPTY Press 3 times End of test mode K2 Press once Execution of cooling test heating only skip EMPTY EMPTY Press twice Execution of outlet signal test EMPTY EMPTY Press 3 time...

Page 43: ...th digit 1st digit C 10 Inverter current A 10th digit 1st digit First decimal A 11 Fan RPM B 1000th digit 100th digit 10th digit rpm 12 Drain temperature target C 100th digit 10th digit 1st digit C 13 EEV D 1000th digit 100th digit 10th digit passage 14 Protection control E 0 Cooling 1 Central heating Protection control 0 No protection control 1 Freezing 2 Defrosting 3 Overload 4 Supply 5 Total cu...

Page 44: ...erating conditions of the indoor unit see the relative booklet KEY Function of BUTTONS 7 segment display K1 Press once Operating test in central heating BLANK BLANK Press twice Operating test in defrosting BLANK BLANK Press 3 times End the test mode K2 Press once Cooling operation test heating only skip BLANK BLANK Press twice Signal emission operating test BLANK BLANK Press 3 times End the test m...

Page 45: ... 9 Battery temp 9 Digit of tens Digit of units C 10 Inverter current A Digit of tens Digit of units First decimal A 11 Fan RPM B Digit of thousands Digit of hundreds Digit of tens rpm 12 Drain temperature target C Digit of hundreds Digit of tens Digit of units C 13 EEV D Digit of thousands Digit of hundreds Digit of tens phase 14 Protection control E 0 Cooling 1 Central heating Protection control ...

Page 46: ...adjust the value of Seg1 Seg2 and to select the desired option Example 62 3 If you selected the desired option you may briefly press the switch K2 to adjust the value of Seg3 Seg4 and to modify the function of the desired option Example 63 4 After having selected the function of the options press and hold the switch K2 for 2 seconds The modified value of the option will be saved when whole segment...

Page 47: ...explosions and personal harm or injury Repositioning the condensing unit Refer to this procedure when transferring the unit Perform the pump down procedure Refer to the pump down details It can be difficult to recover the refrigerant when the re charged amount exceeds the standard amount to support long pipes See page 34 Remove the power cable Disconnect the assembly cable fromtheindoor and outdoo...

Page 48: ... side is higher than 3 0 MPa 30 59 kgf cm2 approach the water setpoint to drop the pressure below 3 0 MPa 30 59 kgf cm2 5 When the pressure drops below 3 0 MPa 30 59 kgf cm2 open the valve of the pressure gauge 2 which is connected to the liquid side Then open the valve on the refrigerant vessel to transfer the refrigerant from the liquid side pipe to the vessel 6 Use the scale to check the weight...

Page 49: ...ere clearance space for assistance Check whether the centre of the indoor unit is fixed and if it is installed horizontally Adding refrigerant Are the length and difference between the refrigerant pipes within the admissible range Is the pipe suitably insulated Has the amount of additional refrigerant been weighed correctly Installation of drain pipe Check the drain pipe of the outdoor unit and of...

Page 50: ... the outdoor unit has been switched on perform moni toring to verify that the indoor unit is connected and check the options 14 2 TEST OPERATION 1 Run the unit by means of the indoor unit Check the sound of the compressor during initial operation Stop it if it makes a screeching noise 2 Check the operating status of the indoor and outdoor units Anomalous operating noise of the indoor and outdoor u...

Page 51: ...51 ...

Page 52: ... S p A 42041 Brescello RE Italy Tel 0522 689011 Fax 0522 680617 Questa apparecchiatura contiene R 32 This instruction booklet is made of ecological paper Code 1 044631ENG rev ST 004867 001 11 21 This appliance contains R 32 ...

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Immergas AUDAX PRO 4 V2, Instructions And Warnings

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