Daikin VRVIII REYQ-P8, Installation Manual

Page: 22 / 32

Installation manual
18
REYQ8~16P8Y1B
VRVIII System air conditioner
4PW39996-1A
■
Charging in heating mode
6. Start up
Wait while the unit is preparing for charging in heating 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 button once within 5 minutes.
If the button is not pushed within 5 minutes,
P2
will be
displayed on the remote controller. Refer to "3 Remote controller
malfunction code display" on page 19 .
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.
*
= The state of this LED is not important.
9. Complete
If the calculated amount of refrigerant is reached, close valve A
and press the
button once.
10. In case leak detection function required
Press the button once for post-processing with
regard to the leak detection function and press the
button to confirm that charging is completed.
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 procedure
"11.6. Procedure for inputting the
additional refrigerant charge weight into the PCB" as described
on page 19 .
10. In case leak detection function not required
Press the 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 procedure
"11.6. Procedure for inputting the
additional refrigerant charge weight into the PCB" as described
on page 19 .
■
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 button once within 5 minutes.
If the button is not pushed within 5 minutes,
P2
will be
displayed on the remote controller. Refer to "3 Remote controller
malfunction code display" on page 19 .
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.
*
= The state of this LED is not important.
H1P H2P H3P H4P H5P H6P H7P
Pressure control
(for the first minute) x c x x x x w
Start up control
(for the next 2 minutes) c c x x x w x
Waiting for stable
heating conditions
(for the next ±15
minutes (according to
the system))
c c x x x w w
H1P H2P H3P H4P H5P H6P H7P
c c x x w x w
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
"3 Remote
controller malfunction code display" on page 19 .
H1P H2P H3P H4P H5P H6P H7P
w c
* * * * *
When a malfunction occurs, check the display of the
remote controller and refer to
"3 Remote controller
malfunction code display" on page 19 .
NOTE Always close valve A and remove the refrigerant
tank immediately after finishing the refrigerant
charge operation.
H1P H2P H3P H4P H5P H6P H7P
c c c w w w w
Beware of the fan blades when you open the frontpanel.
The fan may still rotate for a while after unit operation has
stopped.
BS4 TEST
BS4 TEST
BS3 RETURN
H1P H2P H3P H4P H5P H6P H7P
Pressure control
(for the first minute)
x c x x x x w
Start up control
(for the next 2 minutes) x c x x x w x
Waiting for stable
cooling conditions
(for the next ±15
minutes (according to
the system))
x c x x x w w
H1P H2P H3P H4P H5P H6P H7P
c c c x w x w
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
"3 Remote
controller malfunction code display" on page 19 .
H1P H2P H3P H4P H5P H6P H7P
w c
* * * * *
When a malfunction occurs, check the display of the
remote controller and refer to
"3 Remote controller
malfunction code display" on page 19 .
BS4 TEST
BS1 MODE
BS1 MODE
BS4 TEST
BS4 TEST