Daikin REYQ8-48PY1B, Service Manual

Page: 180 / 477

Test Operation SiBE37-701_B
169 Test Operation
[Automatic refrigerant charging operation procedure]
Note: The marks of LED mean as follows.
h
: OFF
k
: ON
l
: Blinking
∗
: OFF, ON or Blinking
(1) Open the liquid pipe, suction gas pipe and HP/LP gas pipe stop valves. (The valve A~C must
be closed. See figure 31.)
(2) • Close the EL. COMPO. BOX (1) lid and all front panel except on the EL. COMPO. BOX (1)
side. (*1) And turn the power to the outdoor unit and all connected BS, indoor units. (*2)
• After H2P stop blinking (about 12 minutes after turning on the power), check H2P is OFF.
If H2P is ON, check the malfunction code in the remote controller of indoor unit and correct
the malfunction in accordance with [Remote controller display malfunction code] on page
172.
(3) Check the LED. And push the MODE button (BS1) once if the LED displays is not as below.
(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.
(The LED displays will change as below and fan of outdoor unit will start rotation.)
(6) When the compressor start working and the LED displays change any state in below (*3), go
to “In case of cooling mode” or “In case of heating mode” in accordance with the LED
displays.
In case of cooling mode
(7) Push the TEST button (BS4) once within 5 minutes after procedure (5) (*4) and close the all
front panels (*5).
After that, open the valve A immediately (See bottom figure on page 168) (*6) and watch the
remote controller display of indoor unit.
(8) If the remote controller display shows “PE” code (*7), ready to close the valve A.
And go to procedure (9).
If the remote controller display shows other code, close the valve A immediately and refer to
[Remote controller cooling mode malfunction code] on page 170.
Beware the fan running when open the front panel.
The fan may continue rotation after the system stop the operation.
(9) When the compressor stop working (the fan may continue rotation.), close the valve A
immediately (*8).
And check the LED displays are as below and the remote controller display shows “P9”
code.
After checking, push the MODE button (BS1) once and the charging is complete.
H1P H2P H3P H4P H5P H6P H7P
h h k h h h h
H1P H2P H3P H4P H5P H6P H7P
k k k k k k k
H1P H2P H3P H4P H5P H6P H7P
h l h h h
∗ ∗
H1P H2P H3P H4P H5P H6P H7P
l l l h k h k
Go to “In case of
cooling mode”
l l h h k h k
Go to “In case of
heating mode”
H1P H2P H3P H4P H5P H6P H7P
k l l k k k k