actionair MultiElite 2 MRC-075CS-3 Installation And Commissioning Manual Download

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Installation and Commissioning Guide

CAUTION:

The system is charged with flammable refrigerant, safety checks are necessary to ensure that the risk of ignition is minimised.

That’s better. That’s Actron.

MultiElite 2
Multi Split System Air Conditioner

IMPORTANT NOTE:

Please read this manual carefully before installing or operating your air conditioning unit. Make sure to save this manual for
future reference.

Model Numbers

MRC-075CS-3

MRC-100CS-4

MRC-120CS-5

Summary of Contents for MultiElite 2 MRC-075CS-3

Page 1: ...nsure that the risk of ignition is minimised That s better That s Actron MultiElite 2 Multi Split System Air Conditioner IMPORTANT NOTE Please read this manual carefully before installing or operating your air conditioning unit Make sure to save this manual for future reference Model Numbers MRC 075CS 3 MRC 100CS 4 MRC 120CS 5 ...

Page 2: ...35 15 Automatic Wiring Piping Correction Function 36 MUST BE INSTALLED BY A LICENSED ELECTRICIAN DIY DIY DIY ALL ELECTRICAL WORK MUST BE PERFORMED BY A LICENSED ELECTRICIAN FOR COMPLIANCE WITH QUEENSLAND ELECTRICAL SAFETY REGULATIONS 2013 This refers to electrical works only This manual is a controlled document which contains confidential and proprietary information Distribution modification copyi...

Page 3: ...All electrical wiring must be in accordance with current electrical authority regulations and all wiring connections to be as per electrical diagram provided with the unit 03 General Information The ActronAir air conditioning units are designed for applications where superior performance high efficiency reliability supply air quality and quiet operation are the prime priorities For optimum efficie...

Page 4: ...mance capacity that are among the best in the market the ActronAir air conditioning units provide the solution for the reduction of energy consumption CO2 emission high fuel dependency and high network grid demand 04 Safety Instructions Only licensed HVAC technicians should install and service this air conditioning equipment Improper service or alteration by an unqualified technician could result ...

Page 5: ...fic for operation without continuously operating open flames for example an operating gas appliance and ignition sources for example an operating electric heater away from other potential continuously operating sources that known to cause ignition of R 32 refrigerant CAUTION Beware of Rotating Fans Ensure that indoor and outdoor fans are isolated and have come to a complete stand still before serv...

Page 6: ...equipment does not leak or contain moisture Take into consideration the correct amount of refrigerant charge specified for the system to ensure efficient unit operations When charging is complete reclaim refrigerant from charging lines into an approved refrigerant container Seal all used refrigerant containers with approved closure devices to prevent unused refrigerant from escaping to the atmosph...

Page 7: ... cause the equipment to fail The items are not included with the air conditioner must be purchased separately Name of Accessories Quantity Illustration Owner s Manual 1 CAUTION The system is charged with flammable refrigerant safety checks are necessary to ensure that the risk of ignition is minimised That s better That s Actron MultiElite 2 Multi Split System Air Conditioner IMPORTANT NOTE Please...

Page 8: ...s the pipe connections need the adaptor to be installed to the outdoor unit MRC 075CS 3 Ø9 52 Ø12 7 1 MRC 100CS 4 Ø12 7 Ø9 52 1 Ø12 7 Ø15 88 1 Ø9 52 Ø6 35 1 Ø9 52 Ø12 7 1 MRC 120CS 5 Ø12 7 Ø9 52 1 Ø12 7 Ø15 88 1 Ø6 35 Ø9 52 1 Ø9 52 Ø12 7 3 Optional accessories There are two types of remote controls wired and wireless Select a remote controller based on customer preferences and requirements and ins...

Page 9: ...ion Overview Installation Order INSTALLATION ORDER 1 2 3 4 5 Install the outdoor unit Evacuate the refrigeration system Connect the wires Connect the refrigerant pipes Perform a test run Installation Summary Connecting pipe assembly Connect the Wires Perform a test run Connecting the refrigerant pipes Leak Testing Air Evacuation and Charging Refrigeration System ...

Page 10: ...ndoor unit 9 12 12 Maximum length for all rooms m 60 80 80 Maximum length for one indoor unit m 30 35 35 Maximum height different between indoor and outdoor units m OU higher than IU 15 15 15 OU lower than IU 15 15 15 Maximum height difference between indoor units m 10 10 10 NOTE The installation must be performed in accordance with the requirement of local and national standards The installation ...

Page 11: ...r the unit Proper installation locations meet the following standards 1 Meets all spatial requirements shown in Installation Space Requirements above 2 Good air circulation and ventilation 3 Firm and solid the location can support the unit and will not vibrate 4 Noise from the unit will not disturb others 5 Protected from prolonged periods of direct sunlight or rain 6 Where snowfall is anticipated...

Page 12: ...y Before bolting the outdoor unit in place you must install the drain joint at the bottom of the unit Note that there are two different types of drain joints depending on the type of outdoor unit If the drain joint comes with a rubber seal see Fig A follow steps below 1 Fit the rubber seal on the end of the drain joint that will connect to the outdoor unit 2 Insert the drain joint into the hole in...

Page 13: ...ording to the dimensions below 09 02 Unit Mounting Dimensions The following is a list of different outdoor unit sizes and the distance between their mounting feet Prepare the installation base of the unit according to the dimensions below Split Type Outdoor Unit COLD CLIMATES UNIT MOUNTING DIMENSIONS Split Type Outdoor Unit drain joint into the hole in the base COLD CLIMATES UNIT MOUNTING DIMENSIO...

Page 14: ...11221 14 Installation and Commissioning Guide Multi Split System Rows of Series Installation The relations between H A and L are as follows L A L H L 1 2H 250mm or more 1 2H L H 300mm or more L H Can not be installed 1500mm or more 250mm or more 250mm or more 600mm or more 3000mm or more ...

Page 15: ...e A port if there are two 7kW indoor units they can be connected to A and B port See Fig below Please use pipe adaptors provided Connecting Pipe Size of Indoor Units Indoor Unit Capacity kW Liquid mm Gas mm 2 6 3 5 6 35 9 52 5 0 5 3 6 35 12 70 7 0 9 52 15 88 Connecting Pipe Size of Outdoor Units Reference Location MRC 075CS 3 MRC 100CS 4 MRC 120CS 5 Gas Line Liquid Line Gas Line Liquid Line Gas Li...

Page 16: ...2 3 8 1 x 12 7 1 2 NOTE Ensure that the length of the refrigerant pipe the number of bends and the drop height between the indoor and outdoor units meets the requirements shown in above table Refrigerant Piping Connection Instructions 1 Cut the connecting pipes according to required length 2 Remove burrs in the pipe Burrs can affect the air tight seal of refrigerant piping connections 3 Place flar...

Page 17: ...he pipe is properly connected Over tightening may damage the bell mouth and under tightening may lead to leakage Instructions for Connecting Piping to Outdoor Unit NOTE Installation of this unit should be in accordance with Electrical Safety Standard AS NZS 60335 2 40 If the smallest room to be conditioned is less than the required minimum room area Amin additional safety provision maybe needed su...

Page 18: ... flare nut according to the correct torque values 6 Loosen the flaring nut slightly then tighten again 7 Repeat Steps 4 to 7 for the remaining pipe 8 Fill out the Total Installed Refrigerant Charge label located on the plastic valve cover 1 Kg 2 Kg 2 Kg 1 1 2 Additional Reclaimed Charge Total Installed Refrigerant Charge Pre Charge Amount NOTE The Pre Charge Amount is written on the Rating Label o...

Page 19: ...t Charge Label CAUTION If the indoor unit is installed at a higher position than the outdoor unit there is chance that oil may flow into the compressor This may cause liquid compression or deterioration of oil return Use oil traps in the gas piping to prevent this An oil trap should be installed every 10m in the vertical suction line riser Oil Trap Gas Piping Indoor Unit Liquid Piping Outdoor Unit...

Page 20: ...d at a higher position than the indoor unit it is recommended that the vertical suction risers not be upsized Proper oil return to the compressor should be maintained with suction gas velocity If velocities drop below 7 62 m s oil return will be decreased An oil trap should be installed every 6m of vertical suction line riser Oil Trap Gas Piping Outdoor Unit Indoor Unit Liquid Piping 6m 6m ...

Page 21: ...e sure that you do not cross your electrical wiring with your signal wiring as this can cause distortion and interference or unit malfunction Follow these instructions to prevent distortion when the compressor starts The unit must be connected to its individual sub circuit Ensure sub circuit mains are of adequate size to ensure minimal voltage drop at supply terminals No other equipment should be ...

Page 22: ... CP CP No Control Operation No CP Remote Wired controller operation N O and N C can be reversed by adjusting DIP switches See wiring diagram for DIP switch settings Wired Controller Wired controller allows the functions of scheduling on the wall hung split system via connection to multi function board CN42 and CN41 See wiring diagram for terminal connection locations Alarm Relay Output Connection ...

Page 23: ...pers strip the rubber jacket from both ends of signal cable Strip the insulation from the ends of the wires Using a wire crimper crimp fork lugs on the ends of the wires NOTE While connecting the wires please strictly follow the wiring diagram found inside the electrical box cover 2 Remove the electric cover of the outdoor unit eclaration Cover Screw 3 Connect the fork lugs to the terminals Match ...

Page 24: ...rent Please pay special attention while connecting the wire Wiring Wiring Figure CAUTION NOTES For quick connector models please refer to Owner s Manual packed with the indoor unit Run the main power cord through the lower line outlet of the cord clamp This symbol indicates field wiring One Three Models MRC 075CS 3 L N OUTDOOR MAINS TO UNIT A MRC 075CS 3 BULKHEAD MINI CASSETTE 2 TO UNIT C L A N A ...

Page 25: ...L N OUTDOOR MAINS TO UNIT A TO UNIT B L N OUTDOOR MAINS TO UNIT A TO UNIT B L A N A S A L B N B S B L C N C S C L D N D S D L E N E S E L A N A S A L B N B S B L C N C S C L D N S L SERENE N S L N S L L 1 L 2 N S 1 L 2 N S 1 L 2 N S 1 L 2 N S 1 L 2 N S Bulkhead Mini Cassette BULKHEAD MINI CASSETTE 2 TO UNIT C L C N C S C L N OUTDOOR MAINS TO UNIT A TO UNIT C L A N A S A L C N C S C L N S L N S TO ...

Page 26: ... TO UNIT C TO UNIT D S D L A N A S A L B N B S B L C N C S C L D N D S D N S L N S L N S L S N S L BULKHEAD MINI CASSETTE TO UNIT D TO UNIT E TO UNIT C TO UNIT D TO UNIT E L N OUTDOOR MAINS TO UNIT A TO UNIT B N D S D L E N E S E L A N A S A L B N B S B L C N C S C L D N D S D L E N E S E N S L N S L N S L N S L N S L L 2 N S 1 L 2 N S CAUTION After the confirmation of the above conditions prepare...

Page 27: ...FLA Indoor Unit 1 1 1 1 1 3 1 3 Model MRE 035CS MRE 053CS FLA Indoor Unit 0 57 0 57 2 From the calculated system total FLA use the table below to determine cable sizes and system circuit breaker size Example Total System FLA 28 71A will require 6 0mm Supply Mains 1 0mm OD to ID wire and 32A CB fuse Total FLA Range 20A and less 20A to 25A 25A to 32A Outdoor Unit Cable Size Supply Mains 2 5 4 0 6 0 ...

Page 28: ...RCUIT BREAKER 2 DATA CABLE Supplied with the controller 12 metres 4 3 MAIN SUPPLY FROM DISTRIBUTION BOARD 1 INDOOR UNIT A TO INDOOR UNIT B C etc 3 EXTRA LOW VOLTAGE DATA CONTROL WIRING 2 core shielded data cable 14 0 20 0 44mm2 maximum 65 metres EXTRA LOW VOLTAGE DATA CONTROL WIRING 4 core shielded data cable 0 75mm2 maximum 12 metres 4 MAINS WIRING 220 240VAC Single Phase Neutral 50Hz CONTROL WIR...

Page 29: ...roved Date OUTDOOR WIRING DIAGRAM MULTI ELITE CN26 OUTDOOR AMBIENT TEMP SENSOR T4 CONDENSER COIL TEMP SENSOR T3 DISCHARGE TEMP SENSOR TP CN28 INDOOR PIPE OUT TEMP ELECTRONIC EXPANSION VALVE ELECTRONIC EXPANSION VALVE CN13 CN16 4 WAY VALVE CN24 OUTDOOR MAIN CIRCUIT BOARD L N L A N A S A DR BOARD FIELD WIRING BY INSTALLER FUSE 3 4 3 15A 250V CN4 CN2 CN34 L C N C S C L B N B S B ELECTRONIC EXPANSION ...

Page 30: ...PANSION VALVE ELECTRONIC EXPANSION VALVE CN19 CN18 CHOKE WHITE WHITE 4 WAY VALVE CN21 CN26 L N L A N A S A IPM BOARD CN1 CN4 CN5 CN2 CN3 U V W CHOKE COMP 1 OF DC OUTDOOR FAN DR BOARD FIELD WIRING BY INSTALLER FUSE T5A 250V CN25 CN23 CN20 L D N D S D L C N C S C L B N B S B ELECTRONIC EXPANSION VALVE CN22 CN16 ELECTRONIC EXPANSION VALVE CN24 CN14 A B C D OUTDOOR MAIN CIRCUIT BOARD DSP1 HP SWITCH LP...

Page 31: ...EXV E EXV D EXV C EXV B EXV A L N L A N A S A L B N B S B FIELD WIRING BY INSTALLER L D N D S D L E N E S E L C N C S C CN26 CN26 CN26 CN26 CN26 S E S D S C S B S A CN7 CN9 CN8 CN13 T2B A B C D E CN22 CN10 CN4 CN3 CN33 4 WAY VALVE INDOOR PIPE OUT TEMP A B C D E HP SWITCH LP SWITCH OUTDOOR AMBIENT TEMPERATURE SENSOR T4 CONDENSER TEMPERATURE SENSOR T3 CN19 CN55 CN53 CN54 TO INDOOR UNIT A TO INDOOR U...

Page 32: ...ed Evacuation Instructions Before using a manifold gauge and a vacuum pump read their operation manuals to make sure you know how to use them properly Evacuation Instructions OPEN VALVE STEMS GENTL Preparations and Precautions BEFORE PERFORMING EVACUATION 1 Connect the manifold gauge s charge hose to the service port on the outdoor unit s low pressure valve 2 Connect the manifold gauge s charge ho...

Page 33: ...s CAUTION OPEN VALVE STEMS GENTLY When opening valve stems turn the hexagonal wrench until it hits against the stopper DO NOT try to force the valve to open further 12 Tighten valve caps on all three valves service port high pressure low pressure by hand You may tighten it further using a torque wrench if needed 13 If the outdoor unit uses all vacuum valves and the vacuum position is at the main v...

Page 34: ...inishing installation the service technician can use the multimeter to perform the electrical leakage check Turn off the unit immediately rectify before continuing Gas Leak Check Proper pressure test with dry nitrogen should be performed prior to air evacuation Perform leak detection test with electronic leak detector after letting refrigerant into pipework NOTE After confirming that the all pipe ...

Page 35: ...ty damage or personal injury 1 Open both the liquid and gas stop valves 2 Turn on the main power switch and allow the unit to warm up 3 Set the air conditioner to COOL mode 4 For the Indoor Unit a Ensure the remote control and its buttons work properly b Ensure the louvers move properly and can be changed using the remote control c Double check to see if the room temperature is being registered co...

Page 36: ...ction is working Approximately 5 10 minutes after the switch is pressed the CE disappears meaning that the wiring piping error is corrected and all wiring piping is properly connected Automatic Wiring Piping Correction Function How To Activate This Function How To Activate This Function 1 Check that outside temperature is above 5 C This function does not work when outside temperature is not above ...

Page 37: ...Installation and Commissioning Guide MultiElite 2 Split System Doc No 9590 5009 Ver 1 211221 37 Notes Multi Split System ...

Page 38: ...Installation and Commissioning Guide MultiElite 2 Split System Doc No 9590 5009 Ver 1 211221 38 Notes Multi Split System ...

Page 39: ...Installation and Commissioning Guide MultiElite 2 Split System Doc No 9590 5009 Ver 1 211221 39 Notes Multi Split System ...

Page 40: ...Engineering Pty Limited ActronAir is constantly seeking ways to improve the design of its products Therefore specifications are subject to change without notice Refrigerant Trading Authorisation No AU06394 Installation and Commissioning Guide MultiElite 2 Split System Doc No 9590 5009 Ver 1 21xxxx ...

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