Panasonic U-8ME4XPQM Manuel D'installation page 23

Charging in heating mode
6. Start up
Wait while the unit is preparing for charging in heating mode.
H1P H2P H3P H4P H5P H6P H7P
Pressure control x c x x x x w
(for the first minute)
Start up control
c c x x x w x
(for the next 2 minutes)
c c x x x w w
Waiting for stable
heating conditions
(for the next ±15
minutes (according to
the system))
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
H1P H2P H3P H4P H5P H6P H7P
c c x x w x w
Press the button once within 5 minutes.
BS4 TEST
If the button is not pushed within 5 minutes, P2 will be
BS4 TEST
displayed on the remote controller. Refer to "3 Remote controller
malfunction code display" on page 21.
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.
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 21.
H1P H2P H3P H4P H5P H6P H7P
w c *
*
= The state of this LED is not important.
When a malfunction occurs, check the display of the
remote controller and refer to "3 Remote controller
malfunction code display" on page 21.
9. Complete
If the calculated amount of refrigerant is reached, close valve A
and press the
BS3 RETURN
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
U-8~16ME4XPQM
Urban Multi air conditioner
4PW40728-1
* * * *
button once.
10. In case leak detection function is required
Press the button once for post-processing with
BS4 TEST
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 21.
10. In case leak detection function is not required
Press the button once and the charging is complete.
BS1 MODE
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 21.
Charging in cooling mode
6. Start up
Wait while the unit is preparing for charging in cooling mode.
H1P H2P H3P H4P H5P H6P H7P
Pressure control x c x x x x w
(for the first minute)
Start up control
x c x x x w x
(for the next 2 minutes)
x c x x x w w
Waiting for stable
cooling conditions
(for the next ±15
minutes (according to
the system))
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
H1P H2P H3P H4P H5P H6P H7P
c c c x w x w
Press the button once within 5 minutes.
BS4 TEST
If the button is not pushed within 5 minutes, P2 will be
BS4 TEST
displayed on the remote controller. Refer to "3 Remote controller
malfunction code display" on page 21.
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.
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 21.
H1P H2P H3P H4P H5P H6P H7P
w c *
*
= The state of this LED is not important.
When a malfunction occurs, check the display of the
remote controller and refer to "3 Remote controller
malfunction code display" on page 21.
BS1 MODE
* * * *
Installation manual
20