4P642495-1A
–
2022.02
Page
38
of
52
Holding register
VRV
Sky
-air
H
RV
Sp
lit
VRV h
yd
ro
b
o
x
LT
&
H
T
Air cu
rta
in
s
ERQ
con
tro
l b
o
x
H
eat
in
g
Ap
p
lie
d
user interface
lock
(button)
(Note:
Only available
when no other
DIII device is
detected
See Input register
“Other DIII device
exists“
30001 bit
1)
- On/off lock (no lock, On lock, Off
lock)
- Operation mode change lock
- Up-down temperature lock
- Fan speed lock (if fan present)
- Fan direction lock (if fan present)
Actual behaviour depending on user
interface.
Example:
BRC1E52A/B7 & BRC2/3C52C7
centralized control icon
is shown
and locked function cannot be done.
* Split (with KRP928BB2S)
- On/Off lock (no lock, on/off lock)
- Operation mode change & set point
locked together.
Function:
Locked functions are ignored.
* HRV:
- On/off lock (no lock, On lock, Off
lock)
O
O
O*
O*
O
O
O
O
O
42801 (1-00)
42802 (1-01)
.. (step of 1)
42864 (4-15)
Bit
Description
Meaning
15..7
-
6
-
Fixed to 0
5
User interface
button fan
speed
(up/down)
Lock
0: Enabled
1: Disable
Note: for * Split (with KRP928BB2S),No meaning
4
User interface
button fan
direction
(up/down)
Lock
0: Enabled
1: Disable
Note: for * Split (with KRP928BB2S),No meaning
3
User interface
button
operation
mode
Lock
0: Enabled
1: Disable
Note: for * Split (with KRP928BB2S), Operation mode
change button lock & set point (up/down) button lock
2
User interface
button set
point
(up/down)
Lock
0: Enabled
1: Disable
Note: for * Split (with KRP928BB2S), No meaning
1
User interface
button Off
Lock
0: Enabled
1: Disable
Note: for * Split (with KRP928BB2S), No meaning
