Daikin VRV III REYQ8PY1B, Service Manual

Page: 187 / 472

Test Operation SiBE37-701
176 Test Operation
10.In case leak detection function not required
Press the BS1 MODE button once and the charging is complete.
Record the amount that was added on the additional refrigerant charge label provided with
the unit and attach it on the back side of the front panel.
Perform the test procedure as described in "Test operation" on page 184.
„
Charging in cooling mode
6. Start up
Wait while the unit is preparing for charging in cooling mode.
It takes about 2 to 10 minutes for the system to become stable. In case of a small charging
amount, the system will start charging the refrigerant before the system reaches the stable
state. It may disturb a correct decision and may cause overcharging.
7. Ready
Press the BS4 TEST button once within 5 minutes.
If the BS4 TEST button is not pushed within 5 minutes, "
P2
" will be displayed on the remote
controller. Refer to "Remote controller malfunction code display" on page 178.
8. Operation
When the following LED display is shown, open valve A and close the front panel. If the front
panel is left open, the system can not operate properly during the refrigerant charging.
When the refrigerant tank is not connected or is left with the valve closed for 30 minutes or
more, the outdoor unit will stop operation and the "
P2
" code will be displayed on the remote
controller of the indoor unit. Follow the procedure as described in "Remote controller
malfunction code display" on page 178.
When a malfunction occurs, check the display of the remote controller and refer to "Remote
controller malfunction code display" on page 178.
H1P H2P H3P H4P H5P H6P H7P
Pressure control
(for the first minute)
Start up control
(for the next 2 minutes)
Waiting for stable
cooling conditions
(for the next ±15
minutes (according to
the system))
h j h h h h i
h j h h h i h
h j h h h i i
H1P H2P H3P H4P H5P H6P H7P
j j j h i h i
*
= The state of this LED is not important.
H1P H2P H3P H4P H5P H6P H7P
* * * * *
i j