Daikin RXYQ5-48MAY1 Service Manual page 128

Si39-407
1.1.2 Turn power on
Turn outdoor unit and indoor
unit power on.
Check the LED display of the
outdoor unit PC board.
Make field settings with outdoor
unit PC board.
Additional charging of
refrigerant
Check the power supply.
Check the stop valves.
Set the system to "refrigerant
additional charging operation"
while in Setting mode 2.
Stopping equipment
Press the CHECK button (BS3) after
charging the specified amount of refrigerant.
Operation after stop
Test Operation
¡
Be sure to turn the power on 6 hours before starting operation to protect
compressors. (to power on clankcase heater)
¡
Check to be sure the transmission is normal.
The transmission is normal if the LEDs display conditions as shown in
table below.
Micro-
computer
LED display
operation
(Default status before
monitor
delivery)
HAP
One outdoor unit installed
9 9
Master 9 9
When multiple
outdoor unit
Slave1 9 9
installed (*)
Slave2
9 9
(*) The master unit is the outdoor unit to which the transmission wiring for
the indoor units is conncted.
The other outdoor units are sub units.
¡
Make field settings if needed.
(For the setting procedure, refer to information in "3. Field Settings" on
page 122 onward.)
For the outdoor-multi system, make field settings with the master unit.
(Field settings made with the slave unit will be all invalid.)
If a full amount of refrigerant cannot be charged with the outdoor unit OFF,
charge the refrigerant by the deficient amount according to the following
procedure.
¡
Is the power supplied to the outdoor unit and the indoor unit?
¡
Bring the stop valves to the following conditions, respectively.
Liquid-side stop valve
Closed
¡
The system will automatically start operation.
*The "H2P" blinks during operation, and "TEST OPERAION" and
"UNDER CENTRALIZED CONTROL" are displayed on the remote
controller.
¡
Even if no stop operation is conducted, the equipment will automatically
stop after a lapse of 30 minutes at maximum.
¡
Disconnect the refrigerant charge hose and then open the liquid-side
stop valve.
LED display 7 ON
Cooler heater changeover
Ready
Page
bulk bulk
/Error individ-
(parent) (child)
ual
H1P H2P H3P H4P H5P
7 7 7 7 7 7 7
7 7 7 7 7 7 7
7 7 7 7 7 7 7 7
7 7 7 7 7 7 7 7
Gas-side stop valve
Open
Test Operation
OFF Blinking
7 7 9 9
Low
Demand Multi
noise
H6P H7P H8P
7 7 7 7 7 7 7 7
7 7 7 7 7 7 7
7 7 7 7 7 7 9 9
7 7 7 7 7 7 7 7
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