Daikin RXYQ96PATJ [73/108] Installation of outdoor units
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Daikin RXYQ96PATJ [73/108] Installation of outdoor units

Daikin RXYQ96PATJ [73/108] Installation of outdoor units
Installation EDUS391000-N_a
72 Installation of Outdoor Units
4. Refrigerant charge port
5. HP/LP gas pipe shutoff valve
6. Suction pipe shutoff valve
7. Liquid pipe shutoff valve
8. Valve A
9. Valve B
10. Valve C
11. Outside unit
12. To Branch Selector, indoor unit
13. Field pipings
14. Refrigerant flow when charging
15. Shutoff valve
16. Service port
[Automatic refirgerant charging operation procedure]
NOTE
• The marks of LED mean as follows.
h : OFF i : ON j : Blinking ∗ : OFF, ON or Brinking
(1) Open the liquid pipe, suction gas pipe and HP/LP gas pipe shutoff
valves. (The valve A~C must be closed. See figure 30.)
(2) • Close the electrical components box (1) lid and all front panel
except on the electrical components box (1) side. (*1) And turn
the power to the outdoor unit and all connected Branch Selector,
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] in chapter 11-2-2.
(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 outside unit will
start rotation.)
(6) When the compressor starts 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 proce-
dure (5) (*4) and close the all front panels (*5).
After that, open the valve A immediately (See figure 30) (*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 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 30) (*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 30) (*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].
H1P H2P H3P H4P H5P H6P H7P
hhihhhh
H1P H2P H3P H4P H5P H6P H7P
iiiiiii
H1P H2P H3P H4P H5P H6P H7P
hjhhh
∗∗
H1P H2P H3P H4P H5P H6P H7P
jjjhihi
Go to “In case of
cooling mode”
jjhhihi
Go to “In case of
heating mode”
H1P H2P H3P H4P H5P H6P H7P
ijjiiii

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