Daikin REYQ8-48PY1B, Service Manual

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SiBE37-701_B Field Setting
Test Operation 230
3.2.7 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”.
3.2.8 Check Operation Detail
h h k h h h h
h l h h h h k
h l h h h k h
h l h h h k k
h l h k h h k
h l h k h k h
h l h h k h h
h l h h k h k
h l h h k k h
CHECK OPERATION FUNCTION
(Press the MODE button BS1 once and set to SETTING MODE 1 (H1P: OFF))
Unit stopping
Pressure equalizing
Cooling start control
Stop valve close check
Judgement function
Pump-down residual operation
Standby for restarting
Completion
Step 1
Step 2
Step 3
Step4~8
Step 9
Step 10
Press the TEST button for 5 seconds.
10 sec to 10 minutes
20 sec to 2 minutes
• Stop valve close check
• Wrong wiring check
• Correct Refrigerant charge check
• Piping length check
5 minutes
5 minutes
LED display (H1P~H7P) (
k
: ON
h
: OFF
l
: BLINK)
Stop valve check
Stop valve check
Wrong wiring check
Piping length check