Checks After Adding Refrigerant - Daikin RXQ5P7W1B Installation Manual

3 Normal system display
LED
Micro-
display
computer
(Default
Ready
operation
status
Mode /Error
monitor
before
delivery)
HAP H1P H2P
Single outdoor c x x
unit system
Master
c x x
(a)
unit
Multiple Slave
c x x
outdoor unit
(a)
unit 1
system
Slave
c x x
unit
(a)
2
(a) The state of the H8P (multi) LED in a multi-system shows wich unit is the master
unit (w), slave 1 unit (c) or slave 2 unit (x).
Only the master unit is connected to the indoor units with interunit wiring.
4 Remote controller malfunction code display
Remote controller heating mode malfunction codes
Error code
Close valve A immediately and press the TEST OPERATION
P8
recharge button once.
operation The operation will restart from the charging mode judgement
onwards.
Close valve A immediately. Check
P2
charge following items:
hold - Check if the gas side stop valve is
opened correctly
- Check if the valve of the refrigerant
cylinder is opened
- Check if the air inlet and outlet of the
indoor unit are not obstructed
Remote controller cooling mode malfunction codes
Error code
Close valve A and replace the empty cylinder. When renewed,
open valve A (the outdoor unit will not stop operating).
The code on the display shows the unit where a cylinder is to be
PA, PH, PC
renewed:
replace
PA = master unit, PH = slave unit 1, PC = slave unit 2, flashing PA,
cylinder
PH and PC = all units
After recplacing the cylinder, open valve A again and continue the
work.
Close valve A immediately.
P8
recharge Restart the automatic charging procedure again.
operation
Close valve A immediately. Check
following items:
- Check if the gas side stop valve is
opened correctly
P2
- Check if the valve of the refrigerant
charge
cylinder is opened
hold
- Check if the air inlet and outlet of the
indoor unit are not obstructed
- Check if the indoor temperature is not
lower than 20°C DB
Close valve A immediately. Confirm the
* malfunction code by the remote controller
abnormal and correct the abnormality by following
stop the "Correcting after abnormal completion
of the test operation" on page
RX(Y)Q5-10-12P7W1B + RXQ8P7W1B + RXYQ8P8W1B +
RXYHQ12P8W1B + RX(Y)Q14~18P7W1BA
VRVIII System air conditioner
4PW48461-1
Cooling/Heating
changeover
Indivi- Bulk Bulk Low
dual (master) (slave) noise Demand Multi
H3P H4P H5P H6P H7P
w x x x x
w x x x x
x x x x x
x x x x x
After correcting the
abnormality, restart
the automatic
charging procedure
again.
After correcting the
abnormality, restart
the automatic
charging procedure
again.
29.
5 Final adjustment of the amount of refrigerant
When the unit displays an out of temperature range, the
automatic charging of refrigerant can not be completed.
Out of outdoor temperature range
H8P
x
Complete the charging of refrigerant on another time when
w
the outdoor temperature is warmer than 0°C DB and colder
than 43°C DB.
c
Out of indoor temperature range
x
Complete the charging of refrigerant on another time when
the indoor temperature is warmer than 20°C DB and colder
than 32°C DB.
In this case, perform a test operation (as explained in the
chapter "12.4. Test operation" on page
properly. (The malfunction code U3 will be displayed on the
indoor unit.)
However, the refrigerant leak detection function can not be used
before completing the refrigerant charging operation and the
judgement of the initial amount of refrigerant by performing the
test operation again.
When the temperature has come in range (outdoor = 0~43°C,
indoor = 20~32°C),
procedure for completion of the refrigerant charging operation.
Overcharging judgement procedure
1 Close all the front panels except the electric box front panel and
the lid on the side of the electric box.
2 Turn on the power to the outdoor unit and all the connected
indoor units.
3 Press the
BS1 MODE
H1P = OFF.
4 Press and hold the
The system will start operating.
5 Close all the front panels.
After operating for 40 minutes, the operation will stop
automatically.
6 After the system has stopped operating, check the display on
the remote controller.
7 If E3, F6 or UF is displayed on the remote controller as a result of
the overcharge judging operation, recover 20% of the charged
amount of refrigerant and perform the overcharge judgement
procedure again.
When there is no more overcharging of refrigerant detected,
restart the automatic refrigerant charging from
automatic charging refrigerant"

11.6. Checks after adding refrigerant

Are the stop valves for both liquid and gas open?
Is the amount of refrigerant, that has been added, recorded?
Make sure to open the stop valves after charging the
refrigerant.
Operating with the stop valves closed will damage the
compressor.
H1P H2P H3P H4P H5P H6P H7P
w c c c w x x
H1P H2P H3P H4P H5P H6P H7P
w c c c x w x
27) and the unit will work
perform the overcharging
button once and set the setting model
button down for 5 seconds.
BS4 TEST
as explained on page 21
judgement
"1. Start of
again.
Installation manual
24