Fan Coil Actuator FCA 2
Updated: Feb-16 (subject to changes) Page
22
of
89
•
Object 24 "Current operating mode"
Sends the current operating mode as a 1 byte value (see below: Coding of operating modes).
The transmission behaviour can be set on the "Operating mode" parameter page.
Table 17
: Coding of HVAC operating modes:
Value Operating mode
1
Comfort
2
Standby
3
Night
4
Frost protection/heat protection
•
Object 25 "Manual adjustment"
Only available with internal controller.
The object receives a temperature difference as DPT 9.002.
The desired room temperature (current setpoint)
can be adjusted against the
base setpoint
by this difference.
New setpoint (heating) =
Current se manual adjustment.
New setpoint (cooling) =
Current se manual adju dead zone + setpoint
adjustment.
Values outside the configured range (see
Limitation of manual adjustment
on the
Operating mode
and operation
parameter page) are limited to the highest or lowest value.
•
Object 26 "Base setpoint"
The base setpoint is first specified via the application at start-up and stored in the
"base setpoint"
object.
Afterwards, it can be specified again at any time using
Object 26
(limited by the minimum or
maximum valid setpoint).
In case of a bus voltage failure, this object will be saved. With the restoration of the bus voltage,
the last value will be restored.
The object can be written to without restriction.
•
Object 27 "Current setpoint"
Sends the current setpoint valid for control as DPT 9.001.