O
PERATION
OF
THE
BUILDING
MANAGEMENT
SYSTEM
(BMS)
H
EAT
RECOVERY
UNIT
en-48
en
425
(
0.6
)
Automatic or manual control
The unit has an automatic mode and a manual mode. When
the unit is switched on, it will begin operating in the auto-
matic mode.
Note:
n
Via register address 275 (1), it can be specified which
settings are allowed.
Register address 275 (1)
4.1.2 Manual operation
The unit can only be controlled manually if the functions
below have been set as follows:
VALUE
OPTION
DESCRIPTION
0
manual
The unit is operating in various settings (can be switched
manually).
1
automatic
The unit automatically operates at the correct fan and
damper settings.
VALUE
DESCRIPTION
1
allowed: manual
2
allowed: automatic
3 (default)
allowed: manual, automatic
REGISTER
ADDRESS
DESCRIPTION
RO
/
RW
*
CONTROL
UNIT
MINI
-
MUM
MAXI
-
MUM
DEFAULT
422
(
0.3
)
Manual setting of the strength
rw
%
0
100
50
*ro = read only (read only)
*rw = read & write (read and write)
REGISTER
ADDRESS
DESCRIPTION
VALUE
275
(
1
)
Select modes
1 = allowed: manual
3 = allowed: manual, automatic
425
(
0.6
)
Automatic or manual control
0
= manual
