Fan Coil Actuator FCA 2
Updated: Feb-16 (subject to changes) Page
23
of
89
•
Object 28 "Heating/cooling"
Only available in 4-pipe system when switching via object (internal controller).
Is used if automatic change over between heating and cooling is not desired or not possible.
The direction of action is defined by parameter
Format object heating/cooling
(see
Control
parameter page).
Table 18
Format object heating/cooling
DPT 100
Inverted
Heating = 1
Heating = 0
Cooling= 0
Cooling= 1
•
Object 29 "No energy medium" / "heating required but heating blocked" / "cooling
required but cooling blocked"
Error reporting object:
An error is reported in the following cases:
Case 1:
Heating mode was forced via the
heating/cooling
object, however the room temperature
is so far above the set temperature that cooling is required.
Case 2:
Cooling mode was forced via the
heating/cooling
object, however the room temperature
is so far below the set temperature that heating is required.
•
Object 30 "Fan duty time since last filter change"
This object is available if the
Should filter change be reported
parameter is set to
yes
.
If selected, the object sends the current status of the internal fan operating hour counter.
The fan runtime is sent as DPT 7.007 in hours.
The counter is reset via object 31.
