RXYSQ6P8Y1B9
VRVIII-S System air conditioner
4P357505-1 – 2013.08
Installation manual
13
4.2
Press
BS4 TEST
for 5 seconds. The unit will start running.
If the led display below appears, the automatic refrigerant
charging restriction has been exceeded. Additional refrigerant
must be charged by calculating the additional refrigerant
charging amount.
or
If the led display below appears, check the indoor unit
connection capacity.
If the led display below appears, the liquid and gas side stop
valves may be closed.
4.3
When the led indication becomes as shown in the table below in
about 15 to 30 minutes after start of operation, open valve A at
once to start charging of the refrigerant.
Immediately after starting charging of the refrigerant by opening
valve A, press
BS4 TEST
once. When
BS4 TEST
is not pressed
within 10 minutes after the led indication is shown, charging is
stopped.
4.4
The led indication becomes as shown in the table below during
automatic refrigerant charging.
During automatic refrigerant charging, the remote controller
indicates
TEST
(test operation) and
(external control).
The led indication becomes as shown in the table below when
automatic refrigerant charging is about to end. Prepare to close
the valve on the refrigerant tank.
4.5
When the led indication becomes as shown in the table below,
quickly close valve A and follow instructions as described below.
Case 1: Charging complete
Charging of the refrigerant is complete. Press
BS1 MODE
button once and go to step 5.
Case 2: Recharging operation
Press
BS1 MODE
button once and perform automatic
refrigerant charging again starting from Step 4.2.
Case 3: Charging interrupted
Something is preventing normal operation:
Is the gas side stop valve completely open?
Are the valve on the refrigerant tank and valve A open?
Check if the
BS4 TEST
button was pressed within 10
minutes after the valves were opened.
Is the indoor unit air intake vent or outlet vent blocked?
After correcting the problem, press
BS1 MODE
button once and
perform automatic refrigerant charging again starting from
step 4.2.
Case 4: Failure
After correcting the problem, press
BS1 MODE
button once and
perform automatic refrigerant charging again starting from
step 4.2.
5
When charging is complete, determine the weight of refrigerant
that was added and fill in the amount in the "Additional
refrigerant charge label" attached to service precautions plate on
the unit.
6
After adding the refrigerant, do not forget to close the lid of the
service port. The tightening torque for the lid is 11.5~13.9 N•m.
H1P H2P H3P H4P H5P H6P H7P
x c x x x c c
H1P H2P H3P H4P H5P H6P H7P
Description of error
w c c c w x x
Inappropriate outdoor
temperature
H1P H2P H3P H4P H5P H6P H7P
Description of error
w c c c x w x
Inappropriate indoor
temperature
H1P H2P H3P H4P H5P H6P H7P
Description of error
w c c c c x w
Inappropriate indoor unit
connection capacity
H1P H2P H3P H4P H5P H6P H7P
Description of error
w x c c c c c
Stop valve is closed
NOTICE
If you want to repeat the automatic refrigerant charging
operation from step 4.2, fully open the liquid and gas side
stop valves and press the
BS1 MODE
button once.
H1P H2P H3P H4P H5P H6P H7P
Code on remote controller
c c c x w x w
PA
H1P H2P H3P H4P H5P H6P H7P
w c c c c c c
NOTICE
If the led display below appears, the refrigerant tank is
empty. Replace the refrigerant tank, open valve A and
re-charge.
H1P H2P H3P H4P H5P H6P H7P
Code on remote controller
c c c w w w w
PE
H1P H2P H3P H4P H5P H6P H7P
Code on remote
controller
w c c x x w x
PA
NOTICE
It is possible that the code
PE
is not shown on the
remote controller but this does not indicate a
malfunction. The led indication can immediately shift
to the situation as shown in "Case 1: Charging
complete" on page 13.
CAUTION
When adding refrigerant is done or when
pausing, close the valve on the refrigerant tank
immediately.
More refrigerant might be charged by any
remaining pressure after the machine is stopped.
The outdoor fan may keep rotating a little bit
more, but this does not indicate a malfunction.
H1P H2P H3P H4P H5P H6P H7P
Code on remote controller
w c c w w w w
P9
H1P H2P H3P H4P H5P H6P H7P
Code on remote controller
w c c x w w w
P8
H1P H2P H3P H4P H5P H6P H7P
Code on remote controller
w c c x x x w
P2
H1P H2P H3P H4P H5P H6P H7P
Error code on remote
controller
x w w x x x x
See footnote
(a)
(a) An error in the system interrupted the operation of the unit. Check the
error by using the error code displayed on the remote controller. For an
explanation of the error codes, see "Error codes on the remote controller"
on page 20 and solve the problem.
4P357505-1.book Page 13 Tuesday, September 10, 2013 7:59 AM
