Chapter 2 Restrictions - Mitsubishi Electric HP120TNU-A Service Handbook

Chapter 2 Restrictions
2-1 System Configurations......................................................................................................................... 1
2-2 Types and Maximum Allowable Length of Cables............................................................................. 2
2-3 Switch Settings ..................................................................................................................................... 4
2-4 M-NET Address Settings ...................................................................................................................... 5
2-4-1 Address Settings List .............................................................................................................................. 5
2-4-2 Outdoor Unit Power Jumper Connector Connection............................................................................... 6
2-4-3 Outdoor Unit Centralized Controller Switch Setting ................................................................................ 6
2-4-4 Room Temperature Detection Position Selection ................................................................................... 7
2-4-5 Start/Stop Control of Indoor Units ........................................................................................................... 7
2-4-6 Miscellaneous Settings ........................................................................................................................... 7
2-4-7 Various Control Methods Using the Signal Input/Output Connector on Outdoor Unit ............................ 8
2-5 Demand Control Overview ................................................................................................................. 11
2-6 System Connection Example............................................................................................................. 12
2-7 Example System with an MA Remote Controller ............................................................................. 13
2-7-1 Single Refrigerant System (Automatic Indoor/Outdoor Address Startup)............................................. 13
2-7-2 Single Refrigerant System with Two or More LOSSNAY Units ............................................................ 15
2-7-3 Grouped Operation of Units in Separate Refrigerant Circuits............................................................... 17
2-7-4 System with a Connection of System Controller to Centralized Control Transmission Line ................. 19
2-7-5 System with a Connection of System Controller to Indoor-Outdoor Transmission Line ....................... 21
2-7-6 System with Multiple BC Controllers..................................................................................................... 23
2-8 Example System with an ME Remote Controller ............................................................................. 26
2-8-1 System with a Connection of System Controller to Centralized Control Transmission Line ................. 26
2-9 Example System with an MA and an ME Remote Controller .......................................................... 28
2-9-1 System with a Connection of System Controller to Centralized Control Transmission Line ................. 28
2-10 Restrictions on Refrigerant Pipes ..................................................................................................... 31
2-10-1 Restrictions on Refrigerant Pipe Length ............................................................................................... 31
2-10-2 Restrictions on Refrigerant Pipe Size ................................................................................................... 38
2-10-3 BC Controller Connection Method ........................................................................................................ 39
2-10-4 Outdoor Twinning Kit ............................................................................................................................ 46
HWE18220_GB