Daikin LRMSS0400FXY1 User Manual Download

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RJ0110030013877

Medium Temperature

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AIR COOLED
SPLIT COMMERCIAL
CONDENSING UNIT

INSTALLATION, TECHNICAL,
MAINTENANCE

IOM NO:

T-CU11-OCT22-0

Summary of Contents for LRMSS0400FXY1

Page 1: ...n below QR code to download latest manual from Website https drm daikinmalaysia com download php fid 156 sid 1 f DAIKIN_SEES_TM pdf Sees AIR COOLED SPLIT COMMERCIAL CONDENSING UNIT INSTALLATION TECHNI...

Page 2: ...d safely in completing their tasks Failure to comply with any of these requirements could result in serious damage to the equipment and the property in which it is situated as well as severe personal...

Page 3: ...ure Switch 10 PUMP DOWN RECOMMENDATIONS 10 Table 6 High and Low Pressure Switch Settings 10 Figure 7 Piping Diagram for Pump Down System 11 SUCTION ACCUMULATOR 11 DISHARGE THERMOSTAT 11 CRANKCASE HEAT...

Page 4: ...el Fuse protection for 1phase controller and fan motor Overload and high discharge temperature protection Only applicable to model LRMYS0180 250AXY1 Acoustic compressor jacket Only applicable to model...

Page 5: ...TAPPING 11 PRESSURE SWITCH HIGH 12 FUSE 13 FUSE HOLDER 14 TERMINAL BLOCK 15 CONTACTOR 16 OVERLOAD RELAY 17 VALVE SERVICE 18 FILTER DRIER 19 SIGHT GLASS 20 BRACKET SERVICE VALVE 21 BRACKET FAN MOTOR 2...

Page 6: ...T CU11 OCT22 0 Page 3 Exploded View Figure 3 Exploded View LRMYS0250AXY1 Figure 4 Exploded View LRMSS0400FXY1 LRMSS0500FXY1 LRMSS0600FXY1...

Page 7: ...B100SA0M 99 8 4 8 1 7 8 2 11 7 16 1 67 1 1 1 2 7 8 7 6 4 07 3910 Oil type FV68S LRC Lock Rotor Current NC Nominal Current rated at 100 C Te 320 C Ta FLC Full Load Current MOC Maximum Operating Current...

Page 8: ...T CU11 OCT22 0 Page 5 Specifications Outline Drawings Figure 5 Outline Drawing LRMYS0180AXY1 LRMYS0250AXY1 Figure 6 Outline Drawing LRMSS0400FXY1 LRMSS0500FXY1 LRMSS0600FXY1...

Page 9: ...1394 1951 2507 3064 3621 4177 4734 38 PC 1384 1458 1531 1605 1679 1753 1826 38 COP 1 01 1 34 1 64 1 91 2 16 2 38 2 59 43 CC 1293 1777 2261 2746 3230 3715 4199 43 PC 1430 1520 1610 1700 1790 1880 1970...

Page 10: ...3 28 32 CC 6488 7557 8792 10181 11721 13410 15253 32 PC 3643 3907 4177 4444 4704 4950 5179 32 COP 1 78 1 93 2 10 2 29 2 49 2 71 2 94 38 CC 5759 6759 7939 9286 10791 12453 14270 38 PC 4201 4433 4665 4...

Page 11: ...essor The rotary compressor inside DAIKIN condensing unit is a high pressure dome compressor with 2 poles 3phase AC motor The pressure inside the shell of compressor is a high discharge pressure and h...

Page 12: ...essure loss inadequate charge or condenser fan not working Time must be allowed for the compressor to cool down before the thermostat to reset For scroll compressor an internal line break motor protec...

Page 13: ...t is triggered by demand from thermostat rather than a reset low pressure switch The rotary scroll compressor built in with a discharge valve to prevent high pressure backflow into the low side This c...

Page 14: ...cannot protect the compressor against all the possible failures Thus it is recommended to install external discharge thermostat located on the discharge line within 100mm 4 of the compressor shell wit...

Page 15: ...y unpacked and inspected for damage Use the appropriate spreader bars lifting sling with the holes and lugs provided During Installation and subsequent maintenance Installation and maintenance are to...

Page 16: ...istribute plenty of air thus lowering the condensing temperature and power consumption Air leaving the condenser should avoid facing prevailing wind which impede air flow and thus causing high condens...

Page 17: ...issioning and add oil as necessary Add oil in small amounts Do not overfill the compressor Suction pipework should slope gently back towards the unit to assist oil return to the compressor A fall of a...

Page 18: ...to repair a leak on a pressurized system A strength test should also be incorporated to installed pipework only according to applicable standards Once testing has been completed satisfactorily releas...

Page 19: ...itions which occurred during summer All evaporators are working with maximum air liquid flow via evaporators and refrigerant charge should be enough to feed to all evaporators Refrigerant charge by ju...

Page 20: ...network to unit Maximum Fuse Rating A LRMYS0180AXY1 2 5 15 LRMYS0250AXY1 2 5 15 LRMSS0400FXY1 4 0 20 LRMSS0500FXY1 4 0 20 LRMSS0600FXY1 4 0 25 Cables to the condensing unit should wherever possible b...

Page 21: ...M 1 3 5 4 2 96 95 6 98 97 22 21 4 2 6 1 3 5 RESET 3 15A F1 L2 L1 L3 N 1 3 P 1 5 P RESET A2 A1 GRY BRN BLK U V W BLK S1PL S1PH BLK BRN PE PE 380 400V 3N 50Hz BRN 2 WHT WHT BLK BLU BLU BLK BLK WHT BLK K...

Page 22: ...able 2 Unit Data Recheck the compressor oil level again after 24 hours operation Carry out final leak test and ensure all panels covers are fitted and screws tightened Log all information along with t...

Page 23: ...tc with a vacuum cleaner preferably with a brush or other soft attachment rather than a metal tube compressed air blown from the inside out and or a soft bristle not wire brush Do not impact or scrape...

Page 24: ...Tightening Torque Nm Main Cap Service Cap LRMYS0180AXY1 Suction M18 1 0mm 25 30 Nm Liquid M16 1 0mm 20 25 Nm 7 16 20UNF 14 16 Nm LRMYS0250AXY1 Suction M22 1 5mm 30 35 Nm Liquid M16 1 0mm 20 25 Nm LRM...

Page 25: ...oil traps in the vertical suction line correctly positioned 18 Does the CDU capacity matches the indoor unit capacity 19 Does the TXV capacity matches the indoor unit capacity 20 Did the TXV sensing b...

Page 26: ...all questions can be answered with Yes Additional advice Do not leave the system unattended until the system has reached its normal operating condition and the oil charge has properly adjusted itself...

Page 27: ...SIA SDN BHD 34543 W Shah Alam Plant 11A Jalan Utas 15 7 Seksyen 15 40200 Shah Alam Selangor Malaysia Banting Plant Lot 10 Jalan Perusahaan 8 Kawasan Perusahaan Pekan Banting 42700 Banting Selangor Mal...

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