Stop Operation - Midea V6R VRF Series Service Manual

2 Stop Operation

The stop operation occurs for one of the three following reasons:
1. Abnormal shutdown: in order to protect the compressors, if an abnormal state occurs the system makes a 'stop with
thermos-off' operation and an error code is displayed on the outdoor unit digital displays.
2. The system stops when the set temperature of all indoor unit has been reached, or all indoor units has stop or error.
3. The ambient temperature is greater than 30°C and the number of cooling Thermo ON indoor unit is 0.
Table 3-2.1: Component control during stop operation
Part Name
Inverter compressor A
Inverter fan 1
Inverter fan 2
Four way valve
Electronic expansion valve
ODU
Solenoid valve
Solenoid valve
MS04-MS12
Electronic expansion valve
Electric ball valve
MS01
Electronic expansion valve
Symbol Stop control
INV1 OFF
FANA
Keeps for 2 min, then OFF
1
FANB
ST1 Holds
EEVA 0pls
EEVC 0pls
For single module: OFF
For combination module:
SV5
a. other module's compressor ON, keeps for 2 min, then OFF
b. other module's compressor OFF, OFF for 30S → ON for 1min → OFF
For single module: OFF
For combination module:
SV8A
a. other module's compressor ON, keeps for 2 min, then OFF
b. other module's compressor OFF, OFF
SV7 OFF for 1min → ON for 3min → OFF
SV(n)A OFF
SV(n)B OFF
SVP OFF
EEVA Keeps 0pls for 2 min, then 240pls
EBVA 0pls, then 500pls
EBVB 0pls, then 500pls
EBVC 0pls, then 500pls
EEVA Keeps 0pls for 2 min, then 240pls
V6R VRF 50Hz
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