Daikin RXYQ96PATJ [95/108] 2 2 procedure of check operation
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Daikin RXYQ96PATJ [95/108] 2 2 procedure of check operation

Daikin RXYQ96PATJ [95/108] 2 2 procedure of check operation
Installation EDUS391000-N_a
94 Installation of Outdoor Units
immediately and refer to [Remote controller cooling mode mal-
function code]
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 rota-
tion.), close the valve A immediately (*8).
And check the LED displays are as below and the remote control-
ler display shows “P9” code.
After checking, push the MODE button (BS1) once and the charg-
ing is complete.
In case of heating mode
(7) Push the TEST button (BS4) once within 5 minutes after proce-
dure (5) (*4) and close the all front panels.
After that, open the valve A immediately (See figure 31) (*6) and
check the charged amount by meauring device.
During operation, if the remote controller display shows “P2” or
“P8” code, close the valve A immediately and refer to [Remote con-
troller heating mode malfunction code].
Beware the fan running when open the front panel.
The fan may continue rotation after the system stop the operation.
(8) When the required amount of refrigerant is charged, close the
valve A (See figure 31) (*8) and push the RETURN button (BS3)
once. And then go to procedure (9).
(9) Push the MODE button (BS1) once, and the charging is complete.
Notes (*1)~(*9)
(*1) Lead the refrigerant charge hose etc from the pipe intake.
All front panels must be closed at the procedure (7).
(*2) • If you perform the refrigerant charging operation within the
refrigerant system that have the power off unit, the operation
cannot finish properly.
Check the number of outside and indoor units that is powered.
For checking, see [How to check how many units are connected]
in chapter 11-1.
• To energize the crankcase heater, make sure to turn on for
6 hours before starting operation.
(*3) It takes about 2~10 minutes for getting stability of refrigerant
state.
If the additional refrigerant is little and operation is started before
getting stability, the system can not judge the charging amount
precisely and it cause over charge.
(*4) If the TEST button (BS4) is not pushed within 5 minutes, “P2”
code will displayed in the remote controller. In this case, refer
[Remote controller cooling (or heating) mode malfunction code].
(*5) If the front panel is opened during the operation, the system can-
not operate properly.
(*6) If you leave the system without connecting the refrigerant tank or
opening the valve A for 30 minutes or more, the system stop oper-
ation and “P2” code are displayed in remote controller.
In this case, refer [Remote controller cooling (or heating) mode
malfunction code].
(*7) Depending on the situation of operation such as the charging
amount is little, the “PE” code may not be displayed and the “P9”
code may be displayed.
(*8) Always close the valve A and take the tank off.
The refrigerant charge port of this unit have electric expansion
valve and the valve are closed when charging is finished. How-
ever, the valve will opened when ather operation (Check opera-
tion, nomal operation, etc.). If you leave the tank connected, the
refrigerant will charged and it cause over charge.
[Remote controller cooling mode malfunction code]
[Remote controller heating mode malfunction code]
6. After completing the additional refrigerant charging, record the charg-
ing amount on the accessory “REQUEST FOR THE INDICATON”
label (Installation records) and adhere it to the back side of the front
panel.
11-2-2 Procedure of check operation
• Check operation perform the following work. Do the check
operation following below.
Otherwise, malfunction code “U3” will be displayed in the remote
controller and nomal operation can not be carried out.
Check of shutoff valve opening
Check of miswiring
Judgment of piping length
Check of refrigerant overcharge
NOTE
• Check operation can not carried out at outdoor temp. less than
23°F.
Perform the check operation at day or time that outdoor temp. is
23°F or more.
H1P H2P H3P H4P H5P H6P H7P
ijjiiii
Code The work contents
PE Charging is almost finished. Ready to close the valve A.
PA
PH
The refrigerant tank is empty. Close the valve A and replace
empty tank to the new tank. After changing the tank, open the
valve A again.
Beware the fan running. The outside unit does not stop
operation.
P8
Close the valve A immediately, and restart the operation from
procedure (3).
P2
Operation is interrupted. Close the
valve A immedeately and check the
below items.
• Check if HP/LP gas pipe, suction
gas pipe or liquid pipe shutoff
valve is opened.
• Check the refrigerant tank is con-
nected and the valve A was opend.
• Check if the air inlet and outlet of
the indoor unit are not closed by
an obstruction.
After correcting the
abnormality, restart
the operation from
procedure (3).
∗
Operation is stoped abnormally. Close
the valve A immediately. Confirm the mal-
function code and correct the abnormality
following the [Remote controller displays
malfunction code] in chapter 11-2-2.
P9
Charging is finished. Close the valve A and take the refriger-
ant tank off.
Code The work contents
P8
Close the valve A immediately and push the TEST button (BS4)
once. And restart from procedure (7) of “In case of heating mode”.
P2
Operation is interrupted. Close the valve A immedeately and
check the below items.
• Check if HP/LP gas pipe, suction gas pipe or liquid pipe
shutoff valve is opened.
• Check the refrigerant tank is connected and the valve A
was opend.
• Check if the air inlet and outlet of the indoor unit are not
closed by an obstruction.

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