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Midea V4+R Series User Manual

Midea V4+R Series
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V4+R VRF 50/60Hz
30 201702
Midea V4+R Series Service Manual
5.5 Electronic Expansion Valve Control
The positions of electronic expansion valves EXVA and EXVB are controlled in steps from 0 (fully closed) to 480 (fully
open).
In cooling mode:
When all outdoor units are in standby:
All EXVs are at position 300 (steps).
When some outdoor units are running and some outdoor units are in standby:
EXVs on running outdoor units are controlled according to discharge temperature. EXVs of units in standby are
fully closed.
When all outdoor units are running:
All EXVs are controlled according to discharge temperature.
In heating mode:
When all outdoor units are in standby:
All EXVs are at position 300 (steps).
When some outdoor units are running and some outdoor units are in standby:
EXVs on running outdoor units are controlled according to discharge superheat. EXVs of units in standby are fully
closed.
When all outdoor units are running:
All EXVs are controlled according to discharge temperature.
BP2
BP1
No. 1 No. 2 No. 3 No. 4 No. 5 No. 6 No. 7 No. 8
No. 7 No. 8 No. 1 No. 2 No. 3 No. 4 No. 5 No. 6
No. 5 No. 6 No. 7 No. 8 No. 1 No. 2 No. 3 No. 4
No. 3 No. 4 No. 5 No. 6 No. 7 No. 8 No. 1 No. 2
BP2
BP1
BP2
BP1
BP2
BP1

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Midea V4+R Series Specifications

General IconGeneral
BrandMidea
ModelV4+R Series
CategoryAir Conditioner
LanguageEnglish

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