Daikin VRV-WIII RWEYQ72PTJU Service Manual page 95

SiUS30-1301
condensing units, H2P will turn ON and the compressor will not operate. Referring to information in table in "1.1.2 Turn
Power ON (on P.85)", check to be sure the LED displays are normal and then operate the compressor.
· For the condensing multi system, an unit to which the indoor unit connecting wires are connected serves as the master
unit. Be sure to make settings with Branch Selector button on the master unit.
· The system may require up to 10 minutes until it can start the compressor after an operation start. This is a normal
operation to equalize the refrigerant distribution.
· No errors can be checked on individual indoor unit. After the completion of this test operation, check the individual indoor
unit for any errors while in normal operation mode using the remote controller.
· While in check operation mode, the indoor units as well as the condensing units start the operation.
Do not attempt to conduct the check operation while working on the indoor unit.
· Work with all the condensing panels closed except for the switch box.
· Close the condensing panel except operating a Branch Selector button or installation a charge hose.
· If you start normal operation without completion of a check operation, an error code "U4" is displayed and cannot conduct
a normal operation.
[LED display in the case of multi condensing unit system] (Same as that in emergency operation)
 Discriminate the operating status of the master unit/slave units through the following LED display.
LED display (k: ON
H1P---H7P H8P
Master:
Slave 1:
Slave 2:
Field Setting
h h l l
: OFF : Blink)
(Factory setting)
Test Operation
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