18 Configuration
Installation and operation manual
45
REMA5+REYA8~20A7Y1B
VRV 5 heat recovery
4P684060-1 – 2022.02
[2‑14]
Additional amount charged [kg]
1
0<x<5
2
5<x<10
3
10<x<15
4
15<x<20
5
20<x<25
6
25<x<30
7
30<x<35
8
35<x<40
9
40<x<45
10
45<x<50
11
50<x<55
12
55<x<60
13
Setting cannot be used. Total refrigerant
charge has to be <63.8 kg.
14
15
▪ For details concerning the calculation of additional refrigerant
charge amount, see
"16.3 To determine the additional refrigerant
▪ For guidance concerning the input of the additional refrigerant
charge amount and leak detection function see
46].
[2‑20]
Manual additional refrigerant charge/BS/indoor unit connection
check
[2‑20]
Description
0 (default)
Manual additional refrigerant charge
deactivated.
1
Manual additional refrigerant charge activated.
To stop the manual additional refrigerant
charge operation (when the required additional
refrigerant amount is charged), push BS3. If
this function was not aborted by pushing BS3,
the unit will stop its operation after 30 minutes.
If 30 minutes was not sufficient to add the
needed refrigerant amount, the function can be
reactivated by changing the field setting again.
2
Perform a BS/indoor unit connection check.
Perform a BS units and indoor units connection
check where for each indoor unit is checked if
the piping and communication wiring are
connected to the same branch pipe port.
[2‑22]
Automatic low noise setting and level during night time.
By changing this setting, you activate the automatic low noise
operation function of the unit and define the level of operation.
Depending on the chosen level, the noise level will be lowered. The
start and stop moments for this function are defined under setting
[2‑26] and [2‑27]. For more details about settings [2‑26] and [2‑27],
see installer user reference guide
[2‑22]
Description
0 (default)
Deactivated
1
Level 1
Level 5<Level 4<Level
3<Level 2<Level 1
2
Level 2
3
Level 3
4
Level 4
5
Level 5
[2‑35]
Height difference setting.
[2‑35]
Description
0
In case the outdoor unit is installed in the
lowest position (indoor units are installed on a
higher position than outdoor units) and the
height difference between the highest indoor
unit and the outdoor unit exceeds 40 m, the
setting [2‑35] should be changed to 0.
1 (default)
—
[2‑47]
T
e
target temperature during heat recovery operation.
[2‑47]
T
e
target [°C]
0 (default)
Auto
2
6
3
7
4
8
5
9
6
10
7
11
[2‑49]
Height difference setting.
[2‑49]
Description
0 (default)
—
1
In case the outdoor unit is installed in the
highest position (indoor units are installed on a
lower position than outdoor units) and the
height difference between the lowest indoor
unit and the outdoor unit exceeds 50 m, the
setting [2‑49] has to be changed to 1.
[2‑58]
Maintenance cycle for BS unit AFR check (1 year=365 days)
[2‑58]
Description
0
Timer reset
1
1 year
2
2 years
5 (default)
5 years
10
10 years
[2‑60]
Supervisor remote controller setting. A power reset is required to
save this setting.
For details about the supervisor remote controller, see
21] or refer to the remote controller
installation and user reference guide.
[2‑60]
Description
0 (default)
No supervisor remote controller connected to
the system
1
Supervisor remote controller connected to
system
[2‑65]
Automatic leak detection interval time.
This setting is used in conjunction with setting [2‑88].
[2‑65]
Time between automatic leak detection
executions [days]
0 (default)
365
1
180
