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Summary of Contents for 5MDS 50

Page 1: ...Installation Manual Digital Variable Multi Air Conditioner MDS 30 70A R MDS 80 320B R 5MDS 50 500B R...

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Page 3: ...ional evaluation of all materials McQuay disclaims any responsibility for actions based on this document This installation manual is intended for and should only be used by qualified engineers service...

Page 4: ...t 8 5 5 Installation of MCMD series indoor unit 10 5 6 Installation of MWMD series indoor unit 12 6 0 Piping Installation 13 6 1 Precautions for piping installation 13 6 2 Refrigerant piping system 14...

Page 5: ...nd power consumption Unit must be earthed properly Do not connect earth line with telephone line Indoor condensing water shall be drained away properly to avoid overflow Insulation is needed for pipin...

Page 6: ...R MDS150 180B R MDS200 220B R MDS240B R Power supply V Ph Hz 380 415 3 50 Max Breaker Size A 25 30 50 50 60 Number of Wires 5 5 5 5 5 Power Cable Size mm 2 6 6 10 16 16 Model MDS260B R MDS280B R MDS3...

Page 7: ...ter 16 Slave Note 5MDS 260 500B R is combined unit consist of master unit and slave unit There are two ways to connect the cable either separate connection or serial connection For 5MDS 320 360B R onl...

Page 8: ...barrier to improve the air ventilation Ensure enough space for maintenance Avoid installation of unit under corrosive environment Avoid installation of unit at places with flammable gas Follow the cle...

Page 9: ...n Manual IM MDS_ i 5 45 Front Air Outlet Guide 300mm 1000mm FRONT BACK FRONT BACK 450mm 450mm BACK FRONT FRONT BACK BACK FRONT FRONT BACK 600mm 450mm 900mm MDS 30 70A R 5MDS 50 70B R MDS 80 320B R 5MD...

Page 10: ...ansfer of vibration 4 4 Installation of Master and Slave unit Both master and slave unit must be positioned side by side and installed in the same level The distance between master and slave unit shal...

Page 11: ...he maximum length limit of the expansion valve cable The cable needs to be plugged on the control board of indoor unit MEX Box can be installed in any of the method shown below Remove the panel C For...

Page 12: ...rn air inlet on the ceiling Both air supply and return duct shall be insulated with aluminium foil 5 4 Installation of MCKD series indoor units Ensure sufficient space for ventilation and no obstacle...

Page 13: ...the flexible drain hose Feed water from flexible drain hose to check the piping for leakage When the test is completed connect the flexible drain hose to the drain connector on the indoor unit The fr...

Page 14: ...intake grille Fix the ionizer filter to the air filter with the black side on top and white side at bottom Carefully clip on the ionizer filter frame Note that water pump is installed in this type of...

Page 15: ...de clearance for easy serviceability and optimal air flow The unit must be installed a large distance away from the door to avoid direct sunlight The location of indoor unit should be suitable for pip...

Page 16: ...hort circuit of cool discharged air with the hot return air Please follow the installation clearance shown below Do not expose the indoor unit to direct sunlight and away from doors and windows Consid...

Page 17: ...right 6 0 Piping Installation MDS system is a one outdoor unit coupled with many indoor units system For piping connection there are gas pipe and liquid pipe connection with flare joint 6 1 Precautio...

Page 18: ...t is not allowed to connect any refnet after the distributor balance pipe Tee joint Bifurcation Indoor unit Distributor Indoor unit Balance pipe Tee joint Distributor Bifucation Balance pipe Tee joint...

Page 19: ...Installation Manual IM MDS_ i 15 6 3 Piping size refnet and distributor selection Select the piping refnet and distributor base on the tables and diagrams below Refrigerant piping...

Page 20: ...pipe in the chart is based on the PRC Standard Specification for Drawn Tube of Copper and Copper Alloys GB T1527 1997 TP2M and TP2Y2 are the marks of the material brand and state Using this table as...

Page 21: ...Installation Manual IM MDS_ i 17 Refnet...

Page 22: ...length 60 80 150 60 80 175 Maximum equivalent length from first branch to furthest unit 25 30 40 25 30 65 Height Between further indoor and outdoor outdoor above 20 30 50 20 30 50 indoor above 20 30 4...

Page 23: ...ate the gas side ball valve o Uninstall the flange connector remove the flange connector from the piping o Stick the seal material to cover the inlet of the ball valve flange to avoid the dirt entry o...

Page 24: ...tain a distance of more than 20cm between them Communication cable should be screened to avoid interference of strong signal Total wire length should be less than 1000m Signal wire has two poles of A...

Page 25: ...tch Fuse Fuse Switch Power L1 L2 Fuse Switch L1 L2 L3 L2 N Fuse Switch L1 L3 N L3 N Two core cable power circuit Switch Fuse Outdoor unit Master Slave Two core cable power circuit Separate electrical...

Page 26: ...or unit 1 Control box PCB Connection port A B Control box PCB A B JP1 of last unit on main bus should be on Indoor unit i B Communication cable Control box A PCB JP1 A B A B A B com2 Connection port C...

Page 27: ...0 1 1 0 22 1 0 1 1 1 0 46 0 1 0 1 1 1 23 1 0 1 1 1 1 47 Indoor unit capacity setting for all indoor dip switch SW3 Outdoor unit address setting for MDS30 70A R and 5MDS50 70B R dip switch J2 J2 1 J2...

Page 28: ...47 0 1 0 1 1 1 24 1 0 1 1 1 1 48 For master and slave unit set the master unit s S2 1 as 1 and set the slave unit s S2 1 as 0 Address cannot be duplicated and must be continuous without skipping any a...

Page 29: ...e to avoid explosion 8 2 Vacuum Ensure the ball valve is off before conducting vacuum Vacuum pressure is 650Pa and the time of vacuum is 24 hours Do not use refrigerant to vacuum 8 3 Charging the refr...

Page 30: ...oor unit is power on Communication wiring is ok Refnet is well installed Condensing water drainage system is ok Earthing is ok Insulation testing 10Mega Power supply check 220 240V 380 415V System has...

Page 31: ...Installation Manual IM MDS_ i 27 10 0 Unit Outlines and Dimensions MWMD M5WMD 009 010 015G MWMD M5WMD 020 025G...

Page 32: ...28 Installation Manual IM MDS_ i MCKD M5CKD 020 025 030 040 050A MCKD M5CKD 010 015 020C MCMD 020 025 028E M5CMD 015 020 025 028E...

Page 33: ...Installation Manual IM MDS_ i 29 MCMD M5CMD 040 050D MCMD M5CMD 062C...

Page 34: ...30 Installation Manual IM MDS_ i MCCD M5CCD 010C MCCD M5CCD 015 020 025C...

Page 35: ...Installation Manual IM MDS_ i 31 MCCD M5CCD 028C MCCD M5CCD 030C...

Page 36: ...32 Installation Manual IM MDS_ i MCCD M5CCD 038C MCCD M5CCD 040C...

Page 37: ...Installation Manual IM MDS_ i 33 MCCD M5CCD 050C MCCD M5CCD 060C...

Page 38: ...34 Installation Manual IM MDS_ i MDS 030A R MDS 040 050 060 070A R 5MDS 050 060 070B R...

Page 39: ...Installation Manual IM MDS_ i 35 MDS 080 100 120 150B R 5MDS 080 100 120 140 160 180B R MDS 180 200 220 240B R 5MDS 200 220 240B R...

Page 40: ...36 Installation Manual IM MDS_ i MDS 260 280 300 320B R 5MDS 260 280 300 320 340 360B R 5MDS 380 400 420B R...

Page 41: ...Installation Manual IM MDS_ i 37 5MDS 440 460 480 500B R...

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Page 44: ...nufactured in an ISO certified facility This document contains the most current product information as of this printing For the most up to date product information please go to www mcquayup com www mc...

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