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Immergas UE AUDAX PRO V2 I Instructions And Warnings
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Immergas UE AUDAX PRO V2 I Instructions And Warnings

Immergas UE AUDAX PRO V2 I Instructions And Warnings

Outdoor condensing unit
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UE AUDAX PRO V2 I
Outdoor Condensing Unit
Single-phase:
- UE AUDAX PRO 12 V2 I
- UE AUDAX PRO 14 V2 I
- UE AUDAX PRO 16 V2 I
Three-phase:
- UE AUDAX PRO 12 V2 T I
- UE AUDAX PRO 14 V2 T I
- UE AUDAX PRO 16 V2 T I
IE
Instructions and
warnings

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Summary of Contents for Immergas UE AUDAX PRO V2 I

  • Page 1 UE AUDAX PRO V2 I Outdoor Condensing Unit Instructions and Single-phase: warnings - UE AUDAX PRO 12 V2 I - UE AUDAX PRO 14 V2 I - UE AUDAX PRO 16 V2 I Three-phase: - UE AUDAX PRO 12 V2 T I...
  • Page 2 INDEX Dear Customer, ................. 3 Microswitch and key function settings......45 General warnings ................4 12.1 Testing operations.............. 45 Safety symbols used................6 “Pump down” execution........... 48 Personal protective equipment............6 13.1 Purpose of “Pump down”..........48 Product specifications.
  • Page 3 Dear Customer, Congratulations for having chosen a top-quality Immergas product, able to assure well-being and safety for a long period of time. As an Immergas Customer, you can also count on a qualified After-sales service, prepared and updated to guarantee constant efficiency of your heat pump.
  • Page 4 GENERAL WARNINGS • Carefully follow the precautions listed below as they are crucial to guarantee the safety of the product. ATTENTION: - Before carrying out service operations or accessing the internal components of this Out- door Condensing Unit, it is essential to disconnect the power supply. - Make sure that installation and performance tests are carried out by qualified personnel.
  • Page 5 prescribed by the current Accident Prevention Regulations) will be CHARGED to the customer also for the interventions performed during the warranty period. • Always make sure that the power supply complies with local safety standards. • Check that the supply voltage and frequency comply with the specifications and that there is sufficient input power to guarantee operation of any other household appliance connected to the same power lines.
  • Page 6 SAFETY SYMBOLS USED. GENERIC HAZARD Strictly follow all of the indications next to the pictogram. Failure to follow the indications can generate hazard situa- tions resulting in possible harm to the health of the operator and user in general. ELECTRICAL HAZARD Strictly follow all of the indications next to the pictogram.
  • Page 7 PRODUCT SPECIFICATIONS. 1.1 PRODUCT RANGE. The products described in this booklet are: Single-phase version • UE AUDAX PRO 12 V2 I • UE AUDAX PRO 14 V2 I • UE AUDAX PRO 16 V2 I Three-phase version • UE AUDAX PRO 12 V2 T I •...
  • Page 8 OUTDOOR UNIT SPECIFICATIONS. UE AUDAX PRO UE AUDAX PRO UE AUDAX PRO Model (Single-phase) Unit 12 V2 I 14 V2 I 16 V2 I Power supply 1P, 220~240 CA, 50 Hz Weight (net / gross) 100.0/109.5 Net dimensions (LxHxP) 940 x 1.420 x 330 Sound pressure level (central heating / cooling) dB(A) 50 / 50...
  • Page 9 MAIN COMPONENTS. General dimensions in mm. Gas side pipe Liquid side pipe UE AUDAX PRO 12-14-16 V2 I ST.008702/001...
  • Page 10 INSTALLATION OF THE UNIT. INSTALLATION GUIDE NEAR THE SEA. Make sure to follow these guidelines for installation along the 4.1 OUTDOOR UNIT INSTALLATION POSITION. sea coast. The installation site must be chosen in agreement with the user 1. Do not install the appliance where it is directly exposed to sea and taking into account some further specifications.
  • Page 11 - In case of overhanging installation, the appliance must be firmly ATTENTION: anchored to the support structure. Depending on the condition of the pow- - The water that drips from the drainage hose must always be able er system, unstable voltage or power to do so without any obstacle.
  • Page 12 REQUIRED SPACES. Installation of an outdoor unit. (Unit: mm) (Unità: mm) When the air outlet is opposite the wall Quando l'uscita dell'aria è opposta alla parete When the air outlet is towards the wall Quando l'uscita dell'aria è verso la parete 2000 or more 2.000 o più...
  • Page 13 Installation of several outdoor units. (Unit: mm) (Unità: mm) (Unità: mm) When the air outlet is towards the wall Quando l'uscita dell'aria è verso la parete Quando l'uscita dell'aria è verso la parete 300 o più 300 o più 600 o più 600 o più...
  • Page 14 INSTALLING THE OUTDOOR UNIT. MOUNT OF OUTDOOR UNIT. Outdoor unit installed on wall frame. The appliance must be installed on a rigid and stable base to pre- vent any increase in noise or vibration. In particular if it is exposed - The wall on which the frame is fixed must be able to support the to strong winds and when installed overhanging, it must be fixed weight of the outdoor unit plus that of the frame.
  • Page 15 DRAINAGE OF THE OUTDOOR UNIT. 1. All around the base of the unit, dig a water drainage channel that can properly drain the water and condensate produced by General Area the unit. During heating operation, ice deposits may occur on the external surface of the refrigerant-air exchanger.
  • Page 16 - In areas subject to heavy snowfalls, it is very important to choose ATTENTION: an installation site where snow does not affect the unit. If nec- - In zones subject to heavy snowfalls, essary, the coolant/air exchanger should also be protected from snow (if necessary, build a side snow cover) (Fig.
  • Page 17 ELECTRICAL CONNECTIONS. 5.1 GENERAL CONFIGURATION OF THE SYSTEM. Connection of power cable (single phase / 2 wires). Distribution board Outdoor unit Indoor unit Quadro di distribuzione Unità esterna Unità interna Unit supply System integrating voltage resistance supply voltage Single-phase 1 fase with 2 Conduttori Single-phase...
  • Page 18 Connection of power cable (three-phase / 4 wires). Distribution board Outdoor unit Unità interna Indoor unit Scheda di distribuzione Unità esterna System integrating re- Unit supply sistance supply voltage voltage Trifase Three-phase Single-phase Single-phase with a 4 li Trifase Trifase with with 4 wires...
  • Page 19 CONNECTION OF THE CABLE. 6.1 POWER CABLE SPECIFICATIONS. Single-phase unit Rated Values Tolerable Voltage Range Outdoor unit Volt Minimum Circuit Fuse rating Current UE AUDAX PRO 12 V2 I 220-240 28 A 35 A UE AUDAX PRO 14 V2 I 220-240 30 A 37.5 A...
  • Page 20 SPECIFICATIONS OF THE CONNECTION CABLES (COMMONLY USED). Communication cable Two wires of 0.75~1.5mm² - The connection cable must be of type H07RN-F or type H05RN-F. - If the outdoor unit is installed in a computer room, in a network room or in a server room, or where there is the risk of disturbance of the communication cable, use a double-shielded communi- cation cable (aluminium tape/polyester + copper braid) type FROHH2R.
  • Page 21 POWER CABLE CONNECTION DIAGRAM. Single-phase Cable band Power supply Cable Electrical panel clamp Switch Power cable Communication cable Three-phase 1(L) 2(N) L1(R) L3(T) L2(S) Indoor unit NOT USED Cable band Cable clamp 4-Wire three-phase power Communication Depending on the model, the actual shape of the device may cable (CA 380-415V) cable differ from the illustration.
  • Page 22 ATTENTION: - After the connection to the terminal block, the power cable must be fixed using a cable clamp. - Power imbalance must not exceed 2% of the rated voltage. - Otherwise, the life of the capacitor could be shortened. If the power imbalance exceeds 4 % the supply power, the indoor unit protec- tion trips, the unit stops and the error mode is indicated.
  • Page 23 Single-phase with 2 wires Single-phase Circuit breaker Earth cable (U-shaped) Power cable Communication cable between indoor Communication unit and outdoor unit cable Earthing Indoor unit ATTENTION: - When the outer cover of the power cable is removed, use appropriate instruments to avoid damaging the internal casing.
  • Page 24 Three-phase - connection with 4 wires Three-phase Circuit breaker 1(L) 2(N) L1(R) L2(S) L3(T) N Earth cable (U-shaped) NOT USED Power cable Communication cable between indoor unit and outdoor unit Communication cable Earthing Indoor unit ATTENTION: - When the outer cover of the power cable is removed, use appropriate instruments to avoid damaging the internal casing.
  • Page 25 CONNECTION OF POWER TERMINAL BLOCK. - The connection must be made after having fixed the cables to ring compressed terminals. - Use only cables of the specified types. - Only screwdrivers capable of transmitting the prescribed tight- ening torques to the screws must be used for the connection. - If the connection is loose, electric arcs could be ignited which could in turn cause fires.
  • Page 26 HOW TO CONNECT EXTENSION CABLES. 1. Prepare the following instruments: Tools Crimping pliers Connection sheath (mm) Electrical tape Thermo-shrinking tube Specifications MH-14 20xØ6.5 (AxD.E.) Width 19 mm 70xØ8.0 (LxD.E.) Shape 2. As shown in figure, strip the screen from the rubber and from the wires of the power cable.
  • Page 27 Method 2 6. Heat the contraction sheath to contract it. - Twist the copper wires together and push them into the sheath. Tubo termoretrattile Heat shrink tube 7. After having completed the contraction stage, finish the oper- Guaina di connessione Connection sheath ation by wrapping it with electrical tape.
  • Page 28 CHECKING CORRECT EARTHING. 3. Complete by wrapping electrical tape on the connection lines with the outdoor unit. Establish a ground connection in accordance with the law 4. Connect a green/yellow cable to the pile shoe: in force, in case the building does not have one or in case it is - If necessary, the earth cable could be extended by welding equipped with a ground connection not in accordance with the it to an extension and then carefully taping the joint (which...
  • Page 29 CHECKS ON ELECTRICAL DEVICES. Repair and maintenance operations on electric components must include preventive safety checks and inspection procedu- res of the components. If a fault occurs that could jeopardise safety, the circuit must not be powered until the issue has been resolved in a satisfactory way.
  • Page 30 INSTALLATION OF CHILLER LINES. - The length of the pipes between the outdoor unit and the indoor unit, the difference between the length of the pipes after the first joint and the difference in height must not exceed the indicated limits.
  • Page 31 SELECTION OF REFRIGERANT PIPE. CUTTING AND FLARING OF PIPES. 1. Make sure to have prepared the required tools. Gas side Liquid side (mm) - pipe cutter, deburring tool, flaring tool, clamp, etc. (mm) 2. If a pipe needs to be shortened, cut it with a pipe cutter, taking ø...
  • Page 32 4. Insert a countersunk nut into the pipe and modify flaring. 5. Check that the pipe is correctly countersunk. - Figure 36 shows some examples of incorrectly countersunk pipes. 6. Align the pipes to connect them easily. Tighten the flare nuts first with your hands, then with a torque wrench, with the following tightening values, indicated in figure 37.
  • Page 33 CHOOSE THE INSULATION OF THE INSULATING THE REFRIGERANT PIPE. REFRIGERANT PIPE. - The insulation must be laid only after checking that there are no - The gas and liquid refrigeration lines must be insulated with refrigerant leaks from the lines. material selected according to their respective diameters.
  • Page 34 PIPE WELDING. - The refrigeration lines, joints and connections must be insulated with class 'o' material. - Make sure there is no moisture inside the pipe. - Good insulation prevents condensation on the surface of the - Make sure there are no foreign bodies or impurities in the pipe. pipes and safeguards the performance of the outdoor unit and Use of Nitrogen.
  • Page 35 PRESSURE TEST AND SEARCH FOR LEAKS. - To prevent the entry of foreign substances into the circuit and to ensure the essential resistance to the pressures involved, it is essential to use only a manifold with pressure gauges for R410A. - The pressure test must be performed using only anhydrous nitrogen.
  • Page 36 VACUUMING AND DEHYDRATION OF THE PIPES - Use the intake pump that can suction up to 666.6 Pa (5 mm Hg). AND THE INDOOR UNIT. - Fully close the gas side and liquid side service valves. - To prevent the entry of foreign substances into the circuit and to ensure the essential resistance to the pressures involved, it is essential to use only a manifold with pressure gauges for R410A.
  • Page 37 Connect the pressure gauge to the liquid pipe and to the gas pipe. Make sure that the vacuum pump is equipped with a check valve as Using the vacuum pump, create vacuum and dehydrate the liquid otherwise, when it stops, the oil it contains would be drawn back into and gas pipes.
  • Page 38 9.10 REFILLING THE REFRIGERANT CHARGE. lengths of the liquid pipes. It is advisable to use a scale to introduce the proper amount of refrigerant. Basic charge The table below shows the amount of the basic charge introduced Important information on standards relative to the refrigerant in the factory in the appliance: used.
  • Page 39 9.12 ADDING REFRIGERANT. - Before charging, check whether or not the cylinder is si- phoned and then position the cylinder accordingly (Fig. 46). - R410A is a mixture of several refrigerants. For this reason it must be introduced into the refrigeration circuit only in the liquid The maximum refrigerant charge (C) for AUDAX PRO 12-14- phase.
  • Page 40 2. Open the valve on the gas side after 20 minutes of operation. ATTENTION: 3. Open the valve on the low-pressure side of the manifold - Open the gas side and liquid side pressure gauge to recharge the remaining refrigerant. service valve completely after charg- - Adding refrigerant in heating.
  • Page 41 9.13 CLOSING THE VALVE STEM. 9.14 OPENING THE VALVE STEM. 1. Open the cap and turn the valve stem clockwise using a hex 1. Remove the valve cap. wrench (Fig. 49). 2. Turn the valve stem anticlockwise using a hex key. 3.
  • Page 42 0 COOLING CYCLE DIAGRAMS. 10.1 DIAGRAM. Charging port Battery Tempera- ture Sensor 4-way valve External Air Tempera- ture Sensor Filter Filter Silencer High pressure switch Drain temp. sensor Compress. Temp. sensor Accumulator Compressor ST.008702/001 UE AUDAX PRO 12-14-16 V2 I...
  • Page 43 WIRING DIAGRAM. 11.1 SINGLE-PHASE WIRING DIAGRAM. UE AUDAX PRO 12-14-16 V2 I ST.008702/001...
  • Page 44 11.2 THREE-PHASE WIRING DIAGRAM. ST.008702/001 UE AUDAX PRO 12-14-16 V2 I...
  • Page 45 MICROSWITCH AND KEY FUNC- TION SETTINGS.. 12.1 TESTING OPERATIONS. 1. Check the supply voltage between the outdoor unit and the circuit breaker. - Single-phase power supply: L, N - Three-phase power supply: R,S,T,N 2. Make sure the power cables are properly connected (otherwise the PCB may be seriously damaged).
  • Page 46 4. Display mode (Fig. 54): pressing K4, allows you to view infor- mation on the status of the system. Number Display of times Contents viewed Unit Segment 1 Segment 2 Segment 3 Segment 4 pressed Communication status 10th digit of Tx 1st digit of Tx 10th digit of Rx 1st digit of Rx...
  • Page 47 Setting of the option. 4. After having selected the function of the options, press and hold 1. Press and hold K2 to enter the option setting. (Only available the switch K2 for 2 seconds. The modified value of the option when the operation is interrupted).
  • Page 48 “PUMP DOWN” EXECUTION. Repositioning the condensing unit. - Proceed as follows if it is necessary to reposition 13.1 PURPOSE OF “PUMP DOWN”. the device. The pump down is used to accumulate the refrigerant in the - Perform the pump down procedure (implement the outdoor unit in the event of disconnecting the refrigeration lines above procedure).
  • Page 49 13.3 POURING THE REFRIGERANT INTO AN EXTERNAL CYLINDER BEFORE CARRYING OUT THE PUMP DOWN If the amount of refrigerant in the outdoor unit exceeds the max- imum allowed limit, follow the instructions below. 1. Get an empty cylinder for R410A, a scale and a manifold pres- sure gauge.
  • Page 50 COMPLETION OF INSTALLATION. - Check the following after having completed the installation. - Check the external surface and the inside of the outdoor unit. - Is a short-circuit possible? Outdoor unit - Is the position well ventilated and is there clearance space for assistance? - Is the outdoor unit firmly fixed? Installation - Check the external surface and the inside of the indoor unit.
  • Page 51 FINAL INSPECTIONS AND TEST OPERATION. 15.1 FINAL INSPECTIONS AND TEST OPERATION 1. Check the power cable and the communication cable of the indoor unit and outdoor unit. 2. Check the supply voltage between the outdoor unit and the electric panel. - Check the voltage at 220 V –...
  • Page 52 ST.008702/001 UE AUDAX PRO 12-14-16 V2 I...
  • Page 53 UE AUDAX PRO 12-14-16 V2 I ST.008702/001...
  • Page 54 ST.008702/001 UE AUDAX PRO 12-14-16 V2 I...
  • Page 56 Immergas S.p.A. 42041 Brescello (RE) - Italy Tel. 0522.689011 immergas.com This instruction booklet is made of ecological paper.

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