Daikin R-410A Service Manual page 105

SiBE39-402A
3.3.4 Setting of Vacuuming Mode
In order to perform vacuuming operation at site, fully open the expansion valves of indoor and
outdoor units to turn on some solenoid valves.
Both the outdoor unit and the indoor unit are forbidden to operation.
[Operating procedure]
$ With Setting Mode 2 while the unit stops, set (B) Refrigerant recovery / Vacuuming mode to
% Use the vacuum pump to perform vacuuming operation.
& Press Mode button "BS1" once and reset "Setting Mode 2".
3.3.5 Check Operation
To prevent any trouble in the period of installation at site, the system is provided with a test
operation mode enabling check for incorrect wiring, stop valve left in closed, and judgment of
piping length.
CHECK OPERATION FUNCTION
Unit stopping
Step 1 Pressure equalizing
Step 2 Cooling start control
Step 3 Stability waiting operation
Step4~6 Judgement function
Step 7 Pump down residual operation
Step 8 Standby for restarting
Completion
Test Operation
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 "In Centralized control", thus prohibiting operation.)
After setting, do not cancel "Setting Mode 2" until completion of Vacuuming operation.
Press the TEST button for 5 seconds.
10 sec to 10 minutes
20 sec to 2 minutes
10 minutes
• Stop valve close check
• Wrong wiring check
• Piping length check
3 minutes
To 30 seconds
5 minutes
LED display (H1P~H7P) ( 8:
3383333
3933338
3933383
3933388
3933833
3933838
3933883
3933888
3938333
3983333
Field Setting
ON 9: BLINKING 3: OFF)
(V3165)
95