Comissioning; Field Settings For Outdoor Unit; Settings By Dip Switches - Haier MRV5-H Service Manual

7. Comissioning

7.1 Field Settings for Outdoor Unit

7.1.1 Settings by DIP Switches

Electric Wiring and Applications Cont.
Internal Layout of Electric Box
Power Communication
Terminal Terminal
Outdoor Dip Switch Configuration:
• Main Unit: Main Unit is identified by setting dip switch BM1-7, 8 to zero.
• Function main unit: The outdoor unit, whose priority is set as 0, operates with the highest priority.
• Physical sub unit: By setting the dip switch, the unit number is not 0.
• Functional sub unit: The outdoor without the highest priority of running, the priority class is 1-3.
• Group class setting: Physical main unit setting is valid, which can be used for all units. For example, silence,
snow-proof,
piping length, etc. setting. Set all kinds of state on the physical main unit as a representative.
• Single class setting: Only be used for the single unit, instead of the whole group. For example, sensor backup
running,
inverter board selection etc.
• In the following table, 1 is ON, 0 is OFF.
Compressor
Drive Module
Capacitor
Plate
PCBM ain Control
Board
ReactorT
70
Filter Board
ransformer (only for units
applied voltage with 460V)