MB MB 2.6A/AR Service Manual Download Page 1 | Manualshive

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MB MB 2.6A/AR Service Manual Download Page 1

Service Manual

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Summary of Contents for MB 2.6A/AR

Page 1: ...Service Manual...

Page 2: ...1 Features 2 Specification 3 Dimensions 4 Refrigeration cycle diagram 5 Operation limits 6 Wiring diagram 7 Troubleshooting 8 Electric control functions...

Page 3: ...wiring connection There is a separate terminal in indoor unit so it is very easy and flexible to connect the indoor unit and outdoor unit 1 3 Ultra strong rust proof performance with special cataphor...

Page 4: ...450V Indoor fan motor Speed hi mi lo r min 1920 1700 1500 1300 1200 1060 Indoor air flow Hi Mi Lo m3 h 410 360 320 540 500 440 Indoor noise level Hi Mi Lo dB A 42 37 34 42 38 35 Dimension W H D mm 785...

Page 5: ...3 Dimensions 3 1 Indoor unit MB2 6A AR MB3 2A AR...

Page 6: ...3 2 Outdoor unit MB2 3A AR 3 3 Outdoor unit MB3 2A AR...

Page 7: ...lve Sensor of room temp 4 way valve Heat exchanger Heat exchanger Compressor Sensor of heat exchanger temp Valve Capillary 4 2 Cooling only Indoor unit outdoor unit Valve Sensor of room temp Heat exch...

Page 8: ...continuous operation under constant air temperature conditions However excludes the initial pull down stage 5 2 Heating operation Indoor air temp C DB 30 25 20 15 10 5 5 5 15 25 Outdoor unit air temp...

Page 9: ...6 Wiring diagram 6 1 Cooling only MB2 6A AR MB3 2A AR...

Page 10: ...O R C A P A C I T O R 1 2 N O U TD O OR UN I T O V E R L O A D R E L A Y C O M P R E S S O R S C R E D B L U E R B L A C K B L A C K F A N C A P A C I T O R Y G R E D F A N M O T O R B L U E B L A C...

Page 11: ...6 2 Heating cooling MB2 6A AR MB3 2A AR...

Page 12: ...Outdoor unit...

Page 13: ...less than 1A 8 1 7 Swing motor DC12V 8 1 8 Compressor single phase power supply Its normal working amp is less than 15A 8 2 Proper symbols and their meanings TA Indoor ambient temperature TE Indoor e...

Page 14: ...he compressor functions protection with a delay of three minutes 8 4 2 Sensor protection at open circuit and breaking disconnection 8 4 3 Temperature Fuse break protection 8 4 4 Fan Speed is out of co...

Page 15: ...rns to normal operation automatically 8 5 Fan only mode Fan speed can be set to high mid low Auto 8 6 Cooling mode The 4 way valve is closed at cooling mode The action of the compressor and the outdoo...

Page 16: ...heating mode except for the defrosting mode or the end of defrost 8 8 3Action of compressor at heating mode compressor must run for 7 minutes after starting and then judge temperature Meanwhile other...

Page 17: ...only 8 9 1 Defrosting condition Defrosting starts when either of the following 1 2 1 A and B are satisfied A The compressor keeps running for 40 minutes or more B The temperature difference of evapora...

Page 18: ...inutes after three continuous 6 minute defrosting time the fourth defrosting time is 10 minutes The circulation is as following 6 minute defrost 6 minute defrost 6 minute defrost 10 minute defrost 8 9...

Page 19: ...30 minutes cooling operation whose fan mode is set as low the A C operates at DRY mode with a set temp of 24 C C All protections of remote control cooling are available at forced cooling operation 8 1...

Page 20: ...7 5A 10 0A IFAN 5 5A 8 0A IRESTORE 4 5A 6 0A IDEFROST 4 5A 5 5A TE1 28 C 28 C TE2 32 C 32 C TE3 30 C 30 C TE4 20 C 20 C TE5 2 C 2 C TE6 7 C 7 C TE7 60 C 60 C TE8 53 C 53 C TE9 50 C 50 C 200 200 45 45...

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