Installation manual

10 Underfloor Heating
3.3.3.3 Connection with Timer option in Heating / Cooling
mode
Connect thermostat and terminal:
• "Com" and "No timer": When the system is running in
Heating mode:
The installation will work in a standard way with the
thermostats regulating each room according to their set
temperatures.
When the system is running in Cooling mode:
The installation will work in a standard way with the
thermostats regulating each room according to their set
temperatures.
• "Com" and Timer control: When the system is running in
Heating mode:
The corresponding channel will run in Comfort mode
according to the time slots in Zone 1 of the timer.
(for settings see timer manual)
When the system is running in Cooling mode:
In Cooling mode, Zone 1 and Zone 2 will be linked in a
specific area: automatic overlap of Zone 1 and Zone 2
with specific period "ECO" and "Comfort". This process
will take place automatically. The Zone 1 and 2 Comfort
mode overrides the Eco mode. The corresponding
channel will run in Comfort mode according to the time
slots in the specific zone of the timer. This link also
enables you to use your cooling unit during the night and
to save energy when people are not at home.
• "Com" and "Cool Off": When the system is running in
Heating mode:
The corresponding channel will run in Comfort mode
according to the time slots in Zone 1 of the timer.
When the system is running in Cooling mode:
There will be no cooling in the room allocated to this
thermostat.
Example of an installation wired with a timer:
Thermostat #01 controls channels 01a, 01b, 02a and 02b in
"Timer control" (Zone 1) if in Heating mode and "Cool Off" if
in Cooling mode.
The following thermostats controls its channels in "No timer"
mode.
To connect the timer, see the wiring diagram in the
fold-out.
ECO
night
morning
evening
night
COMF
ECO
E
CO
ECO
Specific
night
morning
nightevening
Zone 2
COMF
COMF
COMF
Zone 1
Zone 2 is not used in Heating mode when heating /
cooling is active.
One of the thermostat's two wires will always be
connected to the “Com” quick connector and the
second to one of the remaining three quick
connectors, depending on the mode selected
(non-polarized).
For more information about Comfort/Eco features,
see the timer Manual.
For the 6-channel controller, the thermostat is
directly connected to the terminals
(non-polarized). Comfort/Eco features are not
available.
INSTALLATION_MANUAL_R3-04A.mif Page 10 Mercredi, 14. mars 2007 11:34 11