Related Manuals for Immergas AUDAX PRO 4 V2
Summary of Contents for Immergas AUDAX PRO 4 V2
- Page 1 AUDAX PRO Instructions and warnings Installer and 4 - 6 - 9 V2 Maintenance technician Outdoor Condensing Unit...
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Page 2: Table Of Contents
INDEX Dear Customer, ................. 3 Installation of chiller lines..........28 General warnings ................4 Allowed length of the refrigerant pipe and Safety symbols used................6 installation examples............28 Personal protective equipment............6 Selection of refrigerant pipe..........29 Keep the refrigerant pipe clean and dry. -
Page 3: Dear Customer
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
GENERAL WARNINGS • Carefully follow the precautions listed below as they are crucial to guarantee the safety of the product. ATTENTION: - always disconnect power to the condensing unit before performing maintenance on it or accessing the components inside the unit. - Make sure that installation and inspection operations are carried out by qualified personnel. - Page 5 “How to connect extension cables” in the installation manual. • Do not use means to speed up the defrosting operation or to clean other than those recommended by Immergas.
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Page 6: Safety Symbols Used
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
PRODUCT SPECIFICATIONS. PRODUCT RANGE. AUDAX PRO 4 V2 - AUDAX PRO 6 V2 AUDAX PRO 9 V2 ACCESSORIES. Keep the supplied 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. -
Page 8: Outdoor Unit Specifications
OUTDOOR UNIT SPECIFICATIONS. Type Unit Audax Pro 4 V2 Audax Pro 6 V2 Audax Pro 9 V2 Power supply 1P, 220~240 VAC, 50 Hz Compressor Twin Rotary Oil compressor Fan - Unit number Fan - Air flow Refrigerant load Type of refrigerant... -
Page 9: Main Components
MAIN COMPONENTS. General dimensions in mm Audax Pro 4-6 V2 General dimensions in mm Audax Pro 9 V2... -
Page 10: Installation Of The Unit
INSTALLATION INSTALLATION GUIDE NEAR THE SEA. Make sure to follow these guidelines for installation along the OF THE UNIT. sea coast. OUTDOOR UNIT INSTALLATION POSITION. 1. Do not install the appliance where it is directly exposed to sea Determine the installation site considering the following condi- water or breeze. - Page 11 - The fan devices and the outlets work properly and are not ATTENTION: obstructed. depending on the power supply condi- - The signs and signals on the equipment must be visible and tions, power instability or voltage can legible. cause malfunctioning of the parts or - Air out the room if any refrigerant leaks.
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Page 12: Preparation Of Fire Extinguisher
PREPARATION OF FIRE EXTINGUISHER. LEAK DETECTION METHODS. - The leak detector must be calibrated in an environment without - If hot work needs to be carried out, prepare adequate fire-fighting refrigerant. equipment. - Make sure that the detector is not a potential source of ignition. - Set up a dry powder or CO extinguisher in the vicinity of the - The leak detector must be set at LFL (lower flammability limit). -
Page 13: Recovery
RECOVERY. INSTALLATION PLACE REQUIREMENTS. - When the refrigerant is removed from the system to perform - The outdoor unit must be installed in an open space always maintenance or decommissioning, remove all of it (refer to ventilated. legislation in force in the country of destination). - Local regulations on gas must be complied with. -
Page 14: Clearance Requirements For The Outdoor Unit
4.11 CLEARANCE REQUIREMENTS FOR THE OUTDOOR UNIT. Installation of a single outdoor unit (Unit: mm) When the air outlet is opposite the wall When the air outlet is towards the wall 2000 or more 300 or more 600 or more When 3 sides of the outdoor unit are blocked by the wall The top of the outdoor unit and the air outlet are towards the wall... - Page 15 Installation of several outdoor units (Unit: mm) When the air outlet is towards the wall 300 or more 600 or more 600 or more 600 or more When 3 sides of the outdoor unit are blocked by the wall 300 or more 300 or more 600 or more 600 or more...
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Page 16: Installing The Outdoor Unit
4.12 INSTALLING THE OUTDOOR UNIT. 4.13 MOUNT OF OUTDOOR UNIT. Outdoor unit installed on the wall with mount. The outdoor unit must be installed on a rigid and stable base to prevent any increase in noise or vibration. In particular if the - Make sure that the wall is capable of bearing the weight of the outdoor unit needs to be installed in a position exposed to strong mount and of the outdoor unit. -
Page 17: Drain
4.14 DRAIN. ATTENTION: General Area insufficient drainage could downgrade When the condensing unit is running in central heating mode, ice could start to build up on the external finned coil. To prevent the performance and damage the system. ice from increasing, the system enters defrost mode, transforming the ice on the surface into water. - Page 18 Area with intense snowfalls (natural drain) ATTENTION: Ice can build up when using the air conditioner in central heating - in zones subject to heavy snowfalls, mode. During de-icing, the condensate water must be drained the snow buildup could block in the safely.
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Page 19: Positioning The Unit In A Rigid Climate
4.15 POSITIONING THE UNIT IN A RIGID CLIMATE. - Install the unit high enough above the ground so that it cannot be buried in the snow. To operate the appliance in low temperature outside environmental conditions, follow the instructions - The fan inside the outdoor unit runs regularly, as established, below. -
Page 20: Electrical Connections
ELECTRICAL CONNECTIONS. GENERAL CONFIGURATION OF THE SYSTEM. Connection of power cable (single phase 2 wires) Distribution board Outdoor unit Indoor unit Single-phase with Unit supply System integrating resistance 2 wires voltage supply voltage 220V - 240V ~ Single-phase with Single-phase with 2 wires 2 wires 220V - 240V ~... -
Page 21: Connection Of The Cable
OF THE CABLE. POWER CABLE SPECIFICATIONS. Rated Voltage interval Outdoor unit Cable size Volt Min. Circuit Amps Max. Fuse Amps AUDAX PRO 4 V2 220-240 16.0 A 20.0 A 2.5 mm AUDAX PRO 6 V2 220-240 16.0 A 20.0 A... -
Page 22: Power Cable Connection Diagram
POWER CABLE CONNECTION DIAGRAM. When using an earth leakage breaker (ELB) for a single phase system. Electric components box Power supply Switch Clip Clip for cables Network cable Communication cable Indoor unit ATTENTION: - the power cable must be connected to the relative terminal and secured with a clip. - Page 23 Single-phase with 2 wires Switch Earth cable (U-Trap) Communication cable between Communication indoor units and outdoor units cable Earthing Indoor Unit ATTENTION: - when the outer cover of the power cable is removed, use appropriate instruments to avoid damaging the internal casing.
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Page 24: Connection Of Power Terminal
CONNECTION OF POWER TERMINAL. - Connect the cables to the terminal block using the compressed ring terminal. - Only connect regulation tables. - Connection using a key capable of applying the nominal tight- ening torque to the screws. - In the terminal is loose, a fire could occur due to an electric arc. Overtightening the terminal could damage it. -
Page 25: How To Connect Extension Cables
- Check whether the earth resistance is lower than 100Ω. When a circuit breaker is installed which can interrupt the electric circuit in case of a short circuit, the admissible earth resistance can be 30 ~ 500Ω. Earth terminal Distribution board Figure 26: when using only the earth terminal. - Page 26 5. Wrap it in at least two turns of electrical tape and position the (Unit: mm) Power cable contraction sheath in the middle of the tape. Three or more layers of tape are required. Method 1 Method 2 Electrical tape Electrical tape 40 mm 35 mm...
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Page 27: Checking Correct Earthing
CHECKING 3. Finish by wrapping electrical tape around the pipes in the di- rection of the outdoor unit. CORRECT EARTHING. 4. Install a green/yellow earth wire: If the electric distribution circuit is not earthed or earthing does - If the earth wire is too short, mechanically connect an extension not comply with the specifications, an earthing system must be cable and wrap it with electrical tape (do not bury the connec- installed. -
Page 28: Installation Of Chiller Lines
INSTALLATION OF CHILLER LINES. - Install the refrigerant pipe within the maximum allowed length, difference in height and width after the first branching pipe. - The R-32 pressure is high. Use only a regulation refrigerant pipe and follow the installation instructions. - Use a free refrigerant pipe in an environment without dangerous ions, oxide, dust, iron content or humidity. -
Page 29: Selection Of Refrigerant Pipe
KEEP THE REFRIGERANT PIPE CLEAN AND DRY. Capacity of outdoor unit (kW) (mm) (mm) - To prevent foreign bodies or water from entering the pipe, they AUDAX PRO 4 V2 must be sealed with plugs. AUDAX PRO 6 V2 ø 6.35 ø 15.88... -
Page 30: Cutting And Flanging Of Pipes
CUTTING AND FLANGING OF PIPES. 4. Insert a countersunk nut into the pipe and modify flaring. 5. Check that the pipe is correctly countersunk. 1. Make sure to have prepared the required tools. - Figure 40 shows some examples of incorrectly countersunk pipes. - pipe cutter, deburring tool, flaring tool, clamp, etc. - Page 31 ATTENTION: ATTENTION: - it is necessary to purge with oxy- - weld the pipes for the mechanical gen-free nitrogen during braze weld- connections only when the refriger- ing. ant is not in circulation. - Tighten the nuts at the specified torques. In - When reconnecting the piping, make sure case of overtightening, the nuts could break that the flares are retightened to avoid re-...
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Page 32: Choose The Insulation Of The Refrigerant Pipe
CHOOSE THE INSULATION OF THE INSULATING THE REFRIGERANT PIPE. REFRIGERANT PIPE. - You must check that there are no gas leaks before completing - Select the appropriate insulations according to the size of the gas the entire installation process. and liquid pipes. - Use EPDM insulation which meets the conditions described in - The standard conditions are with a temperature of 30°... -
Page 33: Testing For Refrigerant Gas Leaks
TESTING FOR REFRIGERANT GAS LEAKS. - Use the manifold pressure gauge for R-32 to prevent the inflow of foreign substances and to withstand the internal pressure. - Pressure test with dry oxygen-free nitrogen. Apply pressure on the liquid side and gas side of the pipe with nitro- Applying a pressure higher than 4.6MPa could damage the pipes. -
Page 34: Creating Vacuum
CREATING VACUUM. - Close the service valve of the pipe on the liquid side and on the gas side completely while performing the pressure leak test or The following procedure refers to Audax Pro 9 V2. creating vacuum. In the other cases, the procedure is the same except for the fact that there is only one service connection, instead of two. -
Page 35: Select The Additional Refrigerant Charge
Outdoor unit (series) Charge in factory (kg) must be met. - Make sure there is no contamination by AUDAX PRO 4 V2 other refrigerants for charging. AUDAX PRO 6 V2 - To minimise the amount of refrigerant, AUDAX PRO 9 V2... - Page 36 ATTENTION: ATTENTION: - inform the user if the system contains - the compiled label must be applied 5 tCO e or more of fluorinated green- near the product load door (for ex- house gases. In this case, a leak test must be ample on the inner side of the casing of the carried out once every 12 months, in com- stop valve).
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Page 37: Adding Refrigerant
8.12 ADDING REFRIGERANT. - Adding refrigerant in heating - 1) When recharging the refrigerant in heating, connect the - Measure the amount of refrigerant based on the length of liquid low-pressure pipe from the manifold pressure gauge to the side pipe. Use a scale to add the fixed amount of refrigerant recharge intake door. -
Page 38: Closing The Valve Stem
8.13 CLOSING THE VALVE STEM. 8.14 OPENING THE VALVE STEM. 1. Open the cap and turn the valve stem clockwise using a hex 1. Remove the cap. key (see figure 52). 2. Turn the valve stem anticlockwise using a hex key. 2. -
Page 39: Cooling Cycle Diagrams
COOLING CYCLE DIAGRAMS. AUDAX PRO 4-6 V2 DIAGRAM. Coil temperature sensor 4-way valve Outdoor air temperature sensor Filter Filter Silencer High pressure switch Drain temp. sensor Compress. temp.sensor Compressor Storage tank AUDAX PRO 9 V2 DIAGRAM. Charging point Coil temperature sensor 4-way valve Outdoor air... -
Page 40: Wiring Diagrams
WIRING DIAGRAMS. 10.1 AUDAX PRO 4-6 V2 WIRING DIAGRAM. Colour code key: BLK - Black RED - Red 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... -
Page 41: Audax Pro 9 V2 Wiring Diagram
10.2 AUDAX PRO 9 V2 WIRING DIAGRAM. -
Page 42: Microswitch And Key Function Settings
MICROSWITCH AND KEY 2. Check that the power and communication cables have been FUNCTION SETTINGS. connected properly. (If the power and communication cables are mixed or connected improperly, the PCB will be damaged). 11.1 AUDAX PRO 4-6 V2 TESTING OPERATIONS. 3. - Page 43 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 Requested frequency 100th digit 10th digit 1st digit Current frequency 100th digit...
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Page 44: Audax Pro 9 V2 Testing Operations
11.2 AUDAX PRO 9 V2 TESTING OPERATIONS. 3. Press K1 or K2 on the outdoor unit board to execute the test 1. Check the supply voltage between the outdoor unit and the mode and to interrupt (for the operating conditions of the indoor auxiliary switch. - Page 45 Number Display of times Contents viewed Unit Segment 1 Segment 2 Segment 3 Segment 4 pressed Communication status Digit of Tx tens Digit of Tx units Digit of Rx tens Digit of Rx units Requested frequency Digit of hundreds Digit of tens Digit of units Current frequency Digit of hundreds...
- Page 46 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 will when the operation is interrupted) be saved when whole segments flash and mode monitoring begins.
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Page 47: Pump Down" Execution
“PUMP DOWN” Repositioning the condensing unit. EXECUTION. - Refer to this procedure when transferring the unit. - Perform the pump down procedure. (Refer to the 12.1 PURPOSE OF “PUMP DOWN”. pump down details.) To repair products and transfer the indoor unit, the pump down operation can be made to recover the refrigerant in the outdoor - It can be difficult to recover the refrigerant when the re- unit. -
Page 48: Collect The Refrigerant In A Specific Vessel Before "Pump Down
12.3 COLLECT THE REFRIGERANT IN A SPECIFIC VESSEL BEFORE “PUMP DOWN”. If the amount of refrigerant in the system exceeds the maximum allowed limit, reduce the amount of refrigerant by following the instructions below before performing the pump down operation. 1. -
Page 49: Completion Of Installation
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 50: Final Inspections And Test Operation
- Correct drainage of the indoor unit in cooling mode. 3. End of the test. 4. Explain to the customer how to use the condensing unit following the user manual. AUDAX PRO 4 V2 - AUDAX PRO 6 V2 AUDAX PRO 9 V2... - Page 52 This instruction booklet is made of ecological paper immergas.com Immergas S.p.A. 42041 Brescello (RE) - Italy Tel. 0522.689011 Fax 0522.680617 This appliance contains R-32 Questa apparecchiatura contiene R-32.