Figure 6: Connection of a 2-pipe fan coil unit at a 4-pipe fan coil controller
4.2 Commissioning
First steps – Configuration menu
After mounting the device has to be adapted to the system.
The configuration menu is only available on first commissioning and after resetting to factory
settings.
i
Exception: Project-specific devices are preconfigured in the factory. The settings of the
configuration menu are not available for this devices.
o
Switch on voltage.
The device displays the software version for 5 seconds. The device subsequently changes
into the configuration menu.
o
Set the properties of input
1
for the hotel card switch:
OFF
not connected
OPEN
for NO contact
CLOSE
for NC contact
o
Set the fan coil unit type:
2 Pipes
for 2-pipe system
4 Pipes
for 4-pipe system
i
The variants TRD..23028.. are permanently set to
2 Pipes
.
o
Set the function:
MODE
Ť
HEATING
: The device only actuates heating units.
MODE
ŵ
COOLING
: The device only actuates climate control units.
MODE
ŵŤ
MANUAL
: The device actuates heating and climate control units. The
switchover between heating and cooling mode is carried out manually on the device.
MODE
ŵŤ
AUTO
: The device actuates heating and climate control units and automatically
switches between heating and cooling mode.
i
The
Mode
ŵŤ
AUTO
setting is only available for the TRD..23048.. variants.
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09.11.2017
Temperature controller fan coil, 2-/4-pipe