MB MB 2.6A/AR Service Manual Download Page 3 | Manualshive

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MB MB 2.6A/AR Service Manual Download Page 3

1. Features
1.1 Compact design
1.2 Flexible 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 cataphoric treatment.
1.4 Optional panels available

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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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