Main Functions - Daikin FWTOUCH Manuel D'installation Et D'utilisation

Communication).
Ū MIXED NETWORK solution: connection of
several FWTOUCH controls at various levels
of autonomy:
1. RS485 network MASTER (Supervisor or FW-
TOUCH), sending instructions to RS485
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MAIN FUNCTIONS

Ū Automatic or manual (keyboard selectable)
regulation of fan speed;
Ū Control of ON-OFF or modulating valves for
two- or four-pipe systems;
Ū Control of a heating element for auxiliary
heating;
Ū SUMMER/WINTER switchover (= cooling /
heating) according to four possible modes:
1. manual via keyboard;
2. remote manual (from digital input);
3. automatic, depending on water temperature;
4. automatic, depending on air temperature.
Ū Control of the dehumidify function;
Ū Operation with TIME SCHEDULES
Additional features include:
Ū Digital input for external activation (for ex-
ample: window contact, remote ON/OFF,
occupancy sensor, etc.) that may enable or
disable operation of the hydronic indoor unit
(contact logic: see circuit board configuration
parameters);
Ū Digital input for centralised remote cooling/
heating switching (contact logic: see circuit
board configuration parameters);
Ū Digital input for remote enabling of the
ECONOMY mode (contact logic: see circuit
board configuration parameters).
Ū One completely configurable digital output
(no-voltage contact)
Ū Standard ambient air temperature probe (lo-
cated inside the user interface);
Ū Water temperature probe (accessory), one or
two (optional in case of 4-pipe system);
Ū Remote ambient air temperature probe (ac-
cessory) which, if connected, can be used in
place of the one installed as standard in the
user interface;
Ū Remote ambient air relative humidity probe
(accessory).
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FWTOUCH
SLAVES (known as zone MASTER);
2. Zone MASTER (FWTOUCH), receiving instruc-
tions from RS485 network MASTER, sending
instructions to the PLC SLAVES;
3. PLC network SLAVE, operation identical to
that of the zone master.