Daikin VRV Aurora RXLQ-TATJU Series Service Manual page 201

SiUS341802EC
[2-89]:
0 (default)
[2-90]:
[2-92]:
If Auto Te, then use this setting to address different load profiles. If the frequent operation is at
lower system load, then use a higher setting under [2-92].
Note(s)
In high humid areas, it is recommended to keep this setting to 0 or 1.
Part 5 Field Settings and Test Operation
Intermittent fan operation
Default value: 0.
Used for intermittent fan operation to assist snow discharge on outdoor fan.
Value Intermittent fan
[2-89] drive setting
OFF
1 ON
2 ON
3 ON
4 ON
5 ON
6 ON
7 ON
Indoor unit without power
U4 error generation.
In case an indoor unit needs maintenance or repair on the electric side, it is possible to
keep the rest of the VRV DX indoor units operating without power supply to some indoor
unit(s).
Default value: 0 (not active)
Field setting 1: Possible to operate system when some indoor units are temporarily
without power supply. Follow the steps below when shutting off power to indoor unit:
(1) Wait 15 minutes after changing setting to 1.
(2) Turn off indoor unit using remote controller and wait 10 minutes before shutting off
power to indoor unit.
If remote controller indicates "Defrost" mode, wait 10 minutes after the "defrost"
indication is cleared from the remote controller before shutting off power to indoor unit.
(3) After finishing maintenance, return power to indoor unit.
(4) Return setting to 0.
Following conditions need to fulfil:
 Maximum equivalent piping length of the farthest indoor less than 120 m (394 ft).
 Total capacity of powered off indoor units is less than 30% of outdoor unit capacity.
 Operation time is limited to 24 hours from when the indoor unit is powered off.
 Do not change cooling/heating mode of the system while indoor unit is powered off.
 Not possible to use service mode operation (e.g. recovery mode).
 Backup operation has priority over this special feature.
Te target temperature upper limit
Default value: 1.
Value
[2-92]
0
1 (default)
2
Fan speed
—
Low
Medium
Low
Medium
Low
Medium
Low
Te target temperature upper limit
L
M
H
Field Setting from Outdoor Unit
Fan OFF time Fan ON time
(min) (min)
—
30
30
15
15
5
5
— Always ON
—
1
1
1
1
1
1
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