Spot Check; Ms04-12 Spot Check - Midea VRF Series Service Manual

6.2 Spot Check

Press SW1 and SW2 on MS main PCB forward and backward to spot check the MS box data. After 1s shows the no., the
display will automatically show the data. For example, to check the outdoor operation mode, press SW1/SW2 to show - -02,
then stop and wait for 1s, and the display will show the number of the current outdoor operation mode.
Table 5-6.3: MS01 spot check
DSP
content
---- Online IDU quantity & Refrigerant leakage sensor quantity
--01 Operation IDU quantity
--02 System operation mode
--03 High pressure (MPa)
--04 Low pressure (MPa)
--05 Subcooler outlet temperature
--06 Subcooler inlet temperature
--07 EEV position
--08 Software version
--09 MS Address
--10 EBVA position
--11 EBVB position
--12 EBVC position
--13 Port No. for refrigerant leakage alarm
--14 Number of ports for refrigerant leakage alarm
--15 Min (T2, T2B) of cooling operation IDU under the MS
Table 5-6.4: MS04-12 spot check
DSP
content
---- Online IDU quantity
--01 Operation IDU quantity
--02 System operation mode
--03 High pressure (MPa)
--04 Low pressure (MPa)
--05 Subcooler outlet temperature
--06 Subcooler inlet temperature
--07 EEV position
--08 Software version
--09 MS Address
--10 --
Parameters displayed on DSP2
Parameters displayed on DSP2
V6R VRF 50/60Hz
Remarks
Actual value
0-OFF; 2-Cooling Only; 3-Heating Only; 5-Main
Cooling Mode; 6-Main Heating Mode
Actual value = value displayed × 0.1
Actual value = value displayed × 0.01
Actual value = value displayed
Actual value = value displayed
Actual value = value displayed × 10
Actual value = value displayed
Actual value = value displayed × 10
Actual value = value displayed × 10
Actual value = value displayed × 10
Actual value = value displayed
Actual value = value displayed
Actual value = value displayed
Remarks
Actual value
0-OFF; 2-Cooling Only; 3-Heating Only; 5-Main
Cooling Mode; 6-Main Heating Mode
Actual value = value displayed × 0.1
Actual value = value displayed × 0.01
Actual value = value displayed
Actual value = value displayed
Actual value = value displayed × 10
Actual value = value displayed
Actual value = value displayed
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