Chapter 2 Restrictions - Mitsubishi Electric PUHY-P250YNW-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 ..................................................................................................................................... 3
2-4 M-NET Address Settings ...................................................................................................................... 4
2-4-1 Address Settings List .............................................................................................................................. 4
2-4-2 Outdoor Unit Power Jumper Connector Connection............................................................................... 4
2-4-3 Outdoor Unit Centralized Controller Switch Setting ................................................................................ 5
2-4-4 Suction/Discharge Temperature Control Selection................................................................................. 5
2-4-5 Settings of MA Remote Controller Main/Sub Switching Switch .............................................................. 5
2-4-6 Connection of Two Refrigerant Circuits .................................................................................................. 5
2-4-7 Various Control Methods Using the Signal Input/Output Connector on Outdoor Unit ............................ 6
2-5 Demand Control Overview ................................................................................................................... 8
2-6 System Connection Example............................................................................................................. 10
2-7 Example System with an MA Remote Controller ............................................................................. 11
2-7-1 System with One Refrigerant ................................................................................................................ 11
2-7-2 System with Two Refrigerant Circuits ................................................................................................... 13
2-7-3 System in which Two MA Remote Controllers are Connected to One Indoor Unit............................... 15
2-7-4 System in which Two Indoor Units are Grouped with the MA Remote Controller................................. 17
2-8 Restrictions on Refrigerant Pipes ..................................................................................................... 19
2-8-1 Restrictions on Refrigerant Pipe Length ............................................................................................... 19
2-8-2 Restrictions on Refrigerant Pipe Size ................................................................................................... 20
GB_BS_02_C