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5880751_01
CONTROL PANELS AND THERMOSTATS - MANDATORY ACCESSORIES FOR OPERATION:
The complete features of the control
panels are described in the dedicated
sheet. For further information, refer to
the accessory instructions.
Some control panels require coupling with
other accessories, consult the relative
documentation.
ACCESSORIES
Checks:
• Ignition and switch-off
• Room temperature
• Operation mode
• Fan speed:
- fixed speed setting
- average fixed speed setting
- higher fixed speed setting
- automatic speed setting
• 2-pipe system
• 4-pipe system
• System with heater
• System with integration heater
• Flow water temperature (requires SWAI):
- if not sufficiently hot (in heating mode)
- if not sufficiently cold (in cooling mode)
In addition, the digital display shows:
• Automatic operation mode
• Heating operation mode
• Cooling operation mode
• Anti-freeze mode
• Economy mode
• Flow water temperature display
• Set-point temperature display
• Ventilation re-activated or out of
“Economy” mode, the sensor indicates
the presence of people in the room
(requires specific connection)
• Ventilation suspended or activation from
“Economy” mode, the sensor indicates
the absence of people in the room
(requires specific connection)
• Ventilation suspended, the contact
indicates window open (requires specific
connection)
• Installer configuration error or alarm
• Motor alarm
• Valve alarm
• Dirty filter function, indicates when it is
time to clean the filter (the functioning
time before cleaning is programmable)
Compatible accessories:
• SWAI air and water temperature probe
(2 SWAI probes can be simultaneously
connected)
• VCF series valve
• VCF_X4 series valve
• VCFD series valve
• RX heater
• Additional coil for heating only
Standard equipment:
• Multi-function electronic ambient
thermostat with digital display
• Air temperature probe (internal)
WMT21 CONTROL PANEL WITH ELECTRONIC THERMOSTAT FOR INVERTER FAN COILS
SWAI AIR AND WATER TEMPERATURE PROBE FOR CONTROL PANEL WMT21
It detects the flow water temperature and
the ambient air in place of the probe
inside the WMT21 panel.
2 SWAI probes can be simultaneously
connected, one for water temperature
and one for air temperature. Cable length
L=2m.
2000mm