Daikin RXYQ96PYDN Service Manual page 247

Test Operation
(4) Push the TEST button (BS4) once. (The LED displays will change as below.)
(5) Hold the TEST button (BS4) down for 5 seconds or more.
(6) When the compressor starts working and the LED displays change any state in the diagram
In case of cooling mode
(7) Push the TEST button (BS4) once within 5 minutes after procedure (5) (*4) and close all front
(8) If the remote controller display shows [PE] code (*7), be ready to close Valve A.
Beware of the fan running when opening the front panel.
The fan may continue rotation after the system stops operation.
(9) When the compressor stops working (the fan may continue rotation.), close Valve A
In case of heating mode
(7) Push the TEST button (BS4) once within 5 minutes after procedure (5) (*4) and close all front
Beware of the fan running when opening the front panel.
The fan may continue rotation after the system stop the operation.
(8) When the required amount of refrigerant is charged, close Valve A (See figure 31) (*8) and push
(9) Push the MODE button (BS1) once, and the charging is complete.
Notes (*1)~(*9)
(*1) Lead the refrigerant charge hose from the pipe intake.
(*2) • If you perform the refrigerant charging operation with a refrigerant system that has
232
H1P H2P H3P H4P H5P H6P H7P
i i i i i
(The LED displays will change as below and fan of outside unit will start rotation.)
H1P H2P H3P H4P H5P H6P H7P
h j h h h
below (*3), go to In case of cooling mode or In case of heating mode in accordance with the
LED displays.
H1P H2P H3P H4P H5P H6P H7P
j j j h i
j j h h i
panels (*5).
After that, open Valve A immediately (See figure 31) (*6) and watch the remote controller
display of indoor unit.
And go to procedure (9).
If the remote controller display shows another code, close Valve A immediately and refer to
[Remote controller cooling mode malfunction code]
immediately (*8).
And check that the LED displays are as below and that the remote controller display shows [P9]
code.
H1P H2P H3P H4P H5P H6P H7P
i j j i i
After checking, push the MODE button (BS1) once and the charging is complete.
panels.
After that, open valve A immediately (See figure 31) (*6) and check the charged amount by a
measuring device.
During operation, if the remote controller display shows [P2] or [P8] code, close Valve A
immediately and refer to [Remote controller heating mode malfunction code].
the RETURN button (BS3) once.
All front panels must be closed before procedure (7).
the power off, the operation cannot finish properly. Check the number of outside and indoor
i i
∗ ∗
Go to In case of
h i
cooling mode
Go to In case of
h i
heating mode
i i
SiUS34-801A_b
VRVIII R-410A Heat Recovery 60Hz