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Installation manual
16
RXYSQ4~Y1B
VRVIII-S System air conditioner
4PW68122-1 – 02.2011
Led state
Throughout the manual the state of the leds is indicated as
follows:
If H2P is lit up, check the type of error based on the error code in
the remote controller and correct the error in accordance with
"11.4. Test operation" on page 24
.
4
Automatically charge the refrigerant according to the procedure
described below.
4.1 Press
once.
4.2 Press
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
once. When
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 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
button once and go to step 5.
Case 2: Recharging operation
Press
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
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
button once and
perform automatic refrigerant charging again starting from
step
4.2
.
x
OFF
w
ON
c
blinking
❃
ON or OFF
WARNING
Do not touch anything else than the push-
buttons (BS1~5) on the PCB (A2P) when
making the settings. These settings must be
done with the power on
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w w w w w w w
H1P
H2P
H3P
H4P
H5P
H6P
H7P
x c x
x
x
❃
❃
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
❃
❃
❃
❃
❃
Stop valve is closed
NOTE
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
button once.
H1P
H2P
H3P
H4P
H5P
H6P
H7P
Code on remote controller
c c c x w x w
PA
BS4 TEST
BS4 TEST
BS1 MODE
BS4 TEST
BS4 TEST
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w c
❃
❃
❃
❃
❃
NOTE
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
NOTE
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 16
.
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
Code on remote controller
w c c x
x w x
PA
BS1 MODE
BS1 MODE
BS4 TEST
BS1 MODE
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