Daikin VRV III RXYQ5-54PY1, Руководство по обслуживанию, Страница: 209 / 398

Field Setting Si34-601A
198 Test Operation
3.2.5 Setting of Vacuuming Mode
In order to perform vacuuming operation at site, fully open the expansion valves of indoor and
outdoor units and turn on some solenoid valves.
[Operating procedure]
c
With Setting Mode 2 while the unit stops, set “Refrigerant recovery / Vacuuming mode” to
ON. The expansion valves of indoor and outdoor units fully open and some of solenoid
valves open.
(H2P blinks to indicate the test operation, and the remote controller displays "Test
Operation" and "Under centralized control", thus prohibiting operation.)
After setting, do not cancel “Setting Mode 2” until completion of Vacuuming operation.
d
Use the vacuum pump to perform vacuuming operation.
e
Press Mode button “BS1” once and reset “Setting Mode 2”.
3.2.6 Check Operation Detail
Unit stopping
Press the TEST button for 5 seconds.
10 sec to 10 minutes
LED display (H1P~H7P) ( 8
:
ON 3
:
OFF 9
:
BLINK)
3383333
3933338 Pressure equalizing
Step 1
20 sec to 2 minutes
10 minutes
5 minutes
3933383 Cooling start control Step 2
3933388
3938338
3938383
Stability waiting operation Step 3
Pump down residual operation Step 9
5 minutes
Standby for restarting
Completion
Step 10
•
Stop valve close check
•
Wrong wiring check
•
Correct Refrigerant charge check
•
Piping length check
3933833
3933838
3933883
3933888
3938333
Judgement function
Step4~8
CHECK OPERATION FUNCTION
(Press the MODE button BS1 once and set to SETTING MODE 1 (H1P: OFF))