Mode 2: Field Settings - Daikin VRV 5 RXYA8A7Y1B Installation And Operation Manual

[1‑5] [1‑6]
Code Shows ...
[1‑5] The current T
[1‑6] The current T
[1‑10]
Shows the total number of connected indoor units.
[1‑13]
Shows the total number of connected outdoor units (in case of
multiple outdoor system).
[1‑17] [1‑18] [1‑19]
Code Shows ...
[1‑17] The latest malfunction code
[1‑18] The 2nd last malfunction code
[1‑19] The 3rd last malfunction code
[1‑29] [1‑30] [1‑31]
Shows the result of the leak detection function.
Result Description
No data
Leak detection failure due to abnormal
operation
No leak detected
Leak detected
[1‑34]
Shows the remaining days until the next automatic leak detection (if
automatic leak detection function is activated).
[1‑40] [1‑41]
Code Shows ...
[1‑40] The current cooling comfort setting
[1‑41] The current heating comfort setting
18.1.8

Mode 2: field settings

Cool/Heat selection setting.
[2‑0]
0 (default) Each individual outdoor unit can select Cool/
Heat operation (by Cool/Heat selector if
installed), or by defining master indoor user
interface.
1 Master unit decides Cool/Heat operation when
outdoor units are connected in multiple system
combination
2 Slave unit for Cool/Heat operation when
outdoor units are connected in multiple system
combination
(a)
It is necessary to use the optional external control adaptor for
outdoor unit (DTA104A61/62). See the instruction delivered with
the adaptor for further details.
[2‑8]
T target temperature during cooling operation.
e
[2‑8]
0 (default)
2
3
4
5
6
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P739915-1 – 2023.12
target parameter position
e
target parameter position
c
Description
(a)
.
(a)
.
T target [°C]
e
Auto
6
7
8
9
10
[2‑8]
7
[2‑9]
T target temperature during heating operation.
c
[2‑9]
0 (default)
1
2
3
4
5
6
[2‑14]
Input additional refrigerant amount that was charged.
In case you want to use the automatic leak detection functionality, it
is required to input the total additional refrigerant charge amount.
[2‑14] Additional amount charged [kg]
0 (default)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 Setting cannot be used. Maximum allowable
charge MUST be <79.8 kg.
▪ For details concerning the calculation of additional refrigerant
charge amount, see "16.3 To determine the additional refrigerant
amount" [ 4 37].
▪ For guidance concerning the input of the additional refrigerant
charge amount and leak detection function see
function" [ 4 49].
leak detection
[2‑20]
Manual additional refrigerant charge/SV/indoor unit connection
check
[2‑20]
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.
18 Configuration
T target [°C]
e
11
T target [°C]
c
Auto
41
42
43
44
45
46
No input
0<x<5
5<x<10
10<x<15
15<x<20
20<x<25
25<x<30
30<x<35
35<x<40
40<x<45
45<x<50
50<x<55
55<x<60
60<x<65
65<x<70
70<x<75
"18.2 Using the
Description
Installation and operation manual
47