8
EN
MTW wall mounted thermostat
• 3 Fan speed selector, 3 mode selector (OFF/COOL-
ING/HEATING). Thermostat with set point regulation
(temperature indication for MTW only).
• ON/OFF valve unit control in cooling/heating opera-
tion (for 2 pipes installation), ON/OFF second valve
unit control (heating operation for 4 pipes installa-
tion).
• Remote room air temperature probe in MT (on-board
sensor in MTW). Remote water temperature probe.
• HOT START function (heating mode only). Periodic
ventilation (MT only - always active). Blue LED indi-
cates system’s turning-on.
ATW wall mounted thermostat
• Mode button (OFF/COOLING/HEATING/AUTO) and
fan speed button (Max/Med/Min/AUTO).
• Thermostat with set point regulation (temperature
indication for ATW only).
• Main and additional coil valves ON/OFF control in
cooling/heating operation (for 2 or 4 pipes installa-
tion).
• Electric heater control in 2 pipes systems (ATW only).
Control of traditional or PWM modulating valve units.
• Remote room air temperature probe in AT (on-board
sensor in ATW) and remote water temperature probe.
• Digital input configurable as: window contact, econo-
my, heating or cooling remote changeover.
• Periodic ventilation set (AT only).
• Configuration dip switch. TTL serial port with Modbus
RTU protocol for installation in BMS systems (Bus-
Adapter required).
• HOT START function (heating mode only). TOO
COOL function (cooling mode only).
• Blue LEDs indicates system’s turning-on, mode and
fan speed.
CONTROLS
MODELS
a-CXW
i-CXW
MT/MTW
✔
AT/ATW
✔
AT-EC/ATW-EC
✔
EK/EKW
✔
*
✔
*
iK/iKW
✔
*
✔
*
IR REMOTE CONTROL
✔
*
✔
*
* with HB/iHB power board
ATW-EC wall mounted thermostat
• Mode button (OFF/COOLING/HEATING/AUTO) and
fan speed button (Max/Med/Min/AUTO).
• Thermostat with set point regulation (temperature
indication for ATW only).
• Main and additional coil valves ON/OFF control in
cooling/heating operation (for 2 or 4 pipes installa-
tion). Electric heater control in 2 pipes systems (ATW
only).
• Remote room air temperature probe in AT-EC
(on-board sensor in ATW-EC) and remote water tem-
perature probe.
• Proportional control 0-10Vdc of the fan speed.
• Digital input configurable as: window contact, econo-
my, heating or cooling remote changeover.
• Periodic ventilation set. HOT START function (heat-
ing mode only). TOO COOL function (cooling mode
only).
• Blue LEDs indicates system’s turning-on, mode and
fan speed.
• 230V~ or 24V~ 50-60Hz power supply.
The ATW-EC thermostat cannot be connected in BMS
centralized management system
Summary of Contents for a-CXW 1102
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