Specifications
SiBE18-821 Test Operation
Test Operation 123
Automatic refrigerant charging procedure
1. Open the liquid and gas side stop valves completely.
Caution Note that valve A must be closed.
2. Turn on the power of the outdoor unit and indoor units.
Note: When an indoor unit is connected to the refrigerant system and the indoor unit is turned off,
automatic charging will fail.
3. Make sure that the led on the PCB on the outdoor unit are as shown in the table below. This
indicates that the system is operating normally.
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 "Test operation". (See page 130)
MODE
TEST/HWL
IND
MASTER
SLAVE
L.N.O.P.
DEMAND
H1P H2P H3P H4P H5P H6P H7P
hhihhhh
h
OFF
i
ON
j
blinking
∗
ON or OFF