Daikin REYQ-AATJA, Service Manual, Page: 233 / 495

SiUS372201EA Field Setting from Outdoor Unit
Part 5 Field Settings and Test Operation 226
2.5.2 Overview of Setting Mode (Mode 2)
This overview shows the available settings by using the press buttons on the outdoor unit PCB.
No.

1
Item Description
7 segment
display
Description
7 segment
display
Range
SEG
1
SEG
2
SEG
3
SEG
1
SEG
2
SEG
3
0
COOL/HEAT
selection
Several systems as 1 zone change
over COOL/HEAT:
 INDIVIDUAL: VRV indoor unit or
A-B-C input set mode.
 MASTER: System is the
COOL/HEAT master unit.

SUB: System is not a
COOL/HEAT master.
2. 0 0
Individual
Unified Master
Unified Sub
0
1
2
2
Low noise/
demand address
Used to make address setting for
low noise/demand operation. 2. 0 2
Address:
0 ~
31 3
0
1
5
Indoor fan forced
H
Used to force the fan of indoor unit
to H tap.
2. 0 5
Normal operation
Indoor fan H
0
1
6
Forced
thermostat
Used to force all indoor units to
operate forced thermostat ON.
2. 0 6
Normal operation
Forced thermostat ON
0
1
7
Eco level setting
for Eco mode via
External control
adaptor
Used to make setting of Eco level
for Eco mode via External control
adaptor 2. 0 7
Inactive
Eco mode active by low noise
terminal short-circuit
Eco mode active by demand
terminal short-circuit
0
1
2
8
Te setting
(Cooling
operation)
Used to make setting of targeted
evaporating temperature for
cooling operation.
2. 0 8
Auto
6°C (42.8°F)
7°C (44.6°F)
8°C (46.4°F)
9°C (48.2°F)
10°C (50.0°F)
11°C (51.8°F)
0
2
3
4
5
6
7
9
Tc setting Used to make setting of targeted
condensing temperature for
heating operation.
2. 0 9
Auto
41°C (105.8°F)
43°C (109.4°F)
46°C (114.8°F)
0
1
3
6
10
The heating
capacity cut
offset
temperature
setting
Used for heating capacity cut offset
temperature setting.
2. 1 0
Default 2.0°C (3.6°F)
1.0°C (1.8°F)
0.5°C (0.9°F)
0
1
2
12
External low
noise setting/
demand setting
Used to receive external low noise
or demand signal. 2. 1 2
Input LNO/DE
OFF
ON
0
1
13
AIRNET address Used to set address of AIRNET.
2. 1 3
Address:
0 ~
63 6
0
3
16
Heat pump
lockout 1
Used for heat pump lockout.
2. 1 6
OFF
ON
0
1
18
High ESP setting
FAN
Fan high static pressure setting
2. 1 8
OFF
ON
0
1
19
Phased
installation
setting
Used to make setting for phased
installation. 2. 1 9
Normal installation
Single module to dual module
installation
0
1
20
Additional
refrigerant
charge/Wrong
wiring automatic
detection for
Branch Selector
Used to perform additional
refrigerant charging operation
(compressor operation) and wrong
wiring automatic detection for
Branch Selector.
2. 2 0
OFF
Refrigerant charging ON
Wrong wiring automatic
detection ON
0
1
2
21
Refrigerant
recovery and
vacuuming
Used to set the system to
refrigerant recovery mode (without
compressor run).
2. 2 1
Refrigerant recovery
OFF
ON
0
1
22
Automatic night-
time low noise
operation
Automatic night-time low noise
operation.
Time for the operation is subject to
the start and end time settings.
2. 2 2
OFF
Level 1
Level 2
Level 3
0
1
2
3