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Photovoltaic DC/AC Split System Air Conditioner 

Installation Manual 

Summary of Contents for DGA1-ACDCBLW-18K

Page 1: ...Photovoltaic DC AC Split System Air Conditioner Installation Manual ...

Page 2: ...ength 10 Connecting the Refrigerant piping 10 Pressure Testing the System 11 Evacuate the System 11 Releasing the refrigerant into the system 12 Electrical Connections 13 Installation of Solar Modules 14 Solar Array Maximum Voltage 14 Solar Array maximum current 15 Galvanic considerations outdoor unit 15 Solar Module installation 15 Solar Array Mechanical installation 18 Solar Array Wiring 20 Eart...

Page 3: ... ACDCBLW 18K DGA1 ACDCBLW 24K Outdoor unit DWA3 ACDCBLW 12K DWA3 ACDCBLW 18K DWB2 ACDCBLW 24K Accessories Components Supplied Number Quantity Name 1 1 Indoor unit 2 1 Indoor unit Mounting plate 3 1 Remote Controller 4 2 AAA battery 5 1 Connecting cord 3 meters 6 1 Outdoor unit 7 1 Connecting pipe 3 meters 8 1 Connecting wire 3 meters 9 1 Wrapping tape weather protection 10 1 Drainpipe 1 5 meters 1...

Page 4: ... The system can be powered in several ways By DC solar alone It will start up and run on just the solar By DC solar and a small amount of AC 240 Volt power By AC 240 volt only This would be applicable at night Installation is the same as a standard split system air conditioner with the addition of Solar PV modules to supply the DC input The system is controlled by an optical remote control ...

Page 5: ...nt Care must be taken that all required PPE and precautions are taken The manufacturer and resellers of this equipment assume no responsibility for any failure to properly protect personnel Any recommendations are only for advisory purposes The references to standards in this manual are advisory Failure to follow all applicable standards will void the equipment warranty All Electrical work must be...

Page 6: ...residual current and leakage device For all electrical work use the specified cables Connect cables properly and clamp them securely to prevent external forces from damaging the electrical connections Improper electrical connections can overheat and cause fire and may also cause electric shock All wiring must be properly arranged to ensure that control board cover can close properly If the control...

Page 7: ...othing Near any obstacle that might block air circulation Near doorways In a location subject to direct sunlight Note about the wall hole If there is no fixed refrigerant piping While choosing a location you should leave ample room in the wall hole for the piping its insulation and the drainpipe and signal wiring The default position for all piping is to the right side of the indoor unit while fac...

Page 8: ...t mounting plate on a secure surface that is sufficiently dense to prevent unwanted noise and vibration Level the mounting plate and secure with appropriate anchors Measure and drill the pipe penetration hole 12cm 4 75in 2 3m 90 55in 12cm 4 75in 15cm 5 9in ...

Page 9: ...e drain if required The outdoor unit will condense water when the system is in heating mode Consult local regulations for drainage connections Mount the unit on an approved wall mounting bracket and secure or mount the unit on a secure waterproof surface and secure Outdoor unit required clearances Outdoor unit Clearances Above 500 mm Left 300 mm Right 60 mm Below 200 Behind 300 ...

Page 10: ... wall thickness is 0 81 mm for 6 35mm 1 4 inch to 12 7mm inch and 0 91 for 15 88 mm 5 8 inch tubing Refrigerant fill capacity Refrigerant fill capacity charge volume and pressure Unit DGWA2 ACDCBLW 12K DGWA1 ACDCBLW 18K DGWA1 ACDCBLW 24K Indoor unit DGA2 ACDCBLW 12K DGA1 ACDCBLW 18K DGA1 ACDCBLW 24K Outdoor unit DWA3 ACDCBLW 12K DWA3 ACDCBLW 18K DWB2 ACDCBLW 24K Refrigerant type R410a R410a R410a ...

Page 11: ...nt the gas Cut the piping to length Take care that no foreign matter enters the piping Slide the flare nuts onto the piping Flare the piping using a flaring tool for refrigerant piping Inspect the flares checking that they are even and do not have any cracks or burrs Flaring Torque specifications Pipe size Torque Flared width A Flaring shape Apply refrigerant oil or sealant 6mm inch 15 19 Nm 8 3 8...

Page 12: ...sure and could cause damage to the air conditioner Care must be taken to ensure that the refrigerant lines are free of foreign matter Use Dry nitrogen for leak testing Pressurize the system to 3500 KPA 508 Psig and let stand for one hour Note any pressure changes The system must be observed over a period of one hour to ensure that no pressure drop occurs having due regard to temperature variation ...

Page 13: ...onnected to the low pressure side of the outdoor unit Check that the system has been evacuated to 500 microns Remove the Vacuum micron gauge to prevent damage to it Open the low pressure and high pressure valves by winding them out anti clockwise until seated The low pressure gauge should read approximately 150 PSI ...

Page 14: ... If there is a serious safety issue with the power supply stop work immediately Explain your reasoning to the client and refuse to install the unit until the safety issue is properly resolved Power voltage should be within 90 100 pf rated voltage Insufficient power supply can cause malfunction electrical shock or fire Only connect the unit to an individual branch circuit Do not connect another app...

Page 15: ...ilding codes the Building Code of Australia AS NZS 4777 and AS 5033 The must be installed by a licenced competent person Solar Array Maximum Voltage The maximum Voltage Open Circuit VOC must be calculated to account for low temperature voltage rise Failure to do may damage the equipment and void warranty For guidance see AS NZS 5033 4 2 PV array maximum voltage The maximum Voltage Open Circuit for...

Page 16: ...nstallation This manual contains information regarding the installation and safe handling of solar photovoltaic module s All instructions should be read and understood before attempting to install If there are any questions please contact our sales department for further explanation The installer should conform to all safety precautions listed in this guide when installing the modules Local codes ...

Page 17: ...ersons who are familiar with the mechanical and electrical requirements All electrical connections should be made with approved MC 4 type connectors and from the same manufacturer AS NZS 5033 clause 4 3 7 k One individual solar module generates DC voltage greater than 30V when exposed to sunlight Contact with a DC voltage of 30V or more is potentially hazardous Do not touch the contacts of electri...

Page 18: ...ricity from being generated Do not touch the ends of live wires Do not wear metallic rings watchbands ear nose lip rings or other metallic devices while installing or troubleshooting photovoltaic systems Use only insulated tools that are approved for electrical installations Do not work on solar modules in wet conditions ...

Page 19: ...indow part of the day The module should be facing north in the southern latitudes for best power generation An approved solar technician should be consulted to determine the best orientation of the solar panels Selecting the proper support frame Always observe the instructions and safety precautions included with the support frame to be used with the modules Never attempt to drill holes in the gla...

Page 20: ...ge of the module from being covered by snow in winter in areas the experience heavy snowfalls In addition assure the lowest portion of the module is placed high enough that it is not shaded by plants or trees and is free from the effects of sand and stone driven by wind Roof Mounting When installing the modules on a roof ensure that they are securely fastened and cannot fall because of wind or sno...

Page 21: ...e a pole and module mounting structure that will withstand anticipated winds for the area The pole must have a solid foundation Solar Array Wiring The array is formed of modules in series The switch disconnectors must be approved for disconnecting solar DC under load The MC 4 connectors must be approved and from the same manufacturer at each join Mismatching connectors can cause failure and possib...

Page 22: ...s temperatures lower than 20 degrees C the Voltage open circuit will rise and a calculation must be done by a qualified technician Both sides of an MC 4 type connection must be of the same type and manufacturer Multistrand solar wire having a minimum cross section of 2 5 sq mm or larger must be used Cable installation must comply with all local and national codes and regulations A switch disconnec...

Page 23: ...ty and expressly disclaim liability for loss damage or expense arising out of or in any way connected with such installation operation use or maintenance Nor responsibility is assumed by us for any infringement of patents or other rights of third parties which may result by using the PV product No license is granted by modification or otherwise under any patent or patent rights The information in ...

Page 24: ...Revision 10 Nov 2020 Page 23 of 32 Signage Additional Solar signage to be posted on the outdoor unit To be posted adjacent to the AC and DC isolating Switches ...

Page 25: ...ing the unit Leak Detector method If using a leak detector refer to the device s operation manual for proper usage instructions Electrical Safety checks After installation confirm that all electrical wiring is installed in accordance with local and national regulations and according to the installation manual Before the test run Check earthing Measure earthing resistance The earthing resistance mu...

Page 26: ...es Connect power to the unit Press the On Off button on the remote while pointing it at the indoor unit The indoor unit will respond Press the Press the MODE button to scroll the functions one at a time COOL Select the lowest temperature Allow to run for 5 minutes HEAT Select the highest possible temperature Allow to run for 5 minutes After the Test Run is completed return the unit to normal opera...

Page 27: ...er Clean the outer shell using a soft cloth and a mild cleaning solution Test the solution on a small area prior to use Do not use volatile solvents such as acetone or paint thinner Outdoor unit Check that the outdoor unit airflow is not obstructed by objects on or around it and vegetation Examine the general condition of the outdoor unit Check the fan for foreign objects Check the fins for deform...

Page 28: ...Revision 10 Nov 2020 Page 27 of 32 Operation The air conditioner has an infrared remote and an android or I phone app Remote control operation Some functions may not be available in all units ...

Page 29: ...Revision 10 Nov 2020 Page 28 of 32 remote control continued ...

Page 30: ...ar air conditioner on use the remote control and press the LIGHT button 8 times or more withing 10 seconds When you hear Di the wifi indicator should be flashing 3 Turn the Bluetooth on your phone on and connect to the home WIFI 4 Open the Solar Aircon app on and it should automatically detect the Solar air conditioner Confirm the device enter the home WIFI password and start the connection ...

Page 31: ...umption by hour day month year Troubleshooting and Repair For Repair parts and service information contact Rob Miravet acdc solaracdc com au Warning disassembly of the units can result in an electric shock hazard This unit employs multiple sources of supply and care must be taken that all supplies are turned off and energy storage devices disconnected ...

Page 32: ...parts Both the indoor unit and outdoor unit make noises Low hissing sound during operation This is normal and is caused by refrigerant gas flowing through both indoor and outdoor units Low hissing sound when the system starts has just stopped running or is defrosting This noise is normal and is caused by the refrigerant gas stopping or changing direction Squeaking sound Normal expansion and contra...

Page 33: ...P function can lower product performance by reducing operating frequency Turn off SLEEP function Solar power is not enough grid power is off air conditioner runs only on solar panels Turn on the grid power The unit is not working Both solar and grid power is off Turn on grid and solar power Remote control batteries are dead Replace batteries Timer is activated Turn timer off Poor heating performan...

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