CLIMAVENETA a-CHD U-2T Serie Manual De Instalación Y Funcionamiento página 78

WALL-MOUNTED CONTROLS
EKW plug-in control
EKW command lets selection of functioning mode (OFF /
summer / winter / AUTO), fan speed (Max/Med/Min/AUTO),
temperature set. Control of main coil valve unit (sum-
mer/winter - 2 pipes installation) and additional coil (winter -
4 pipes installation). Management of traditional ON/OFF
valve unit. Air and water temperature probe.
Multifunction digital input configurable by end-user. Configu-
ration dip switch. Water probe and air probe management.
Easy control installation thanks to 2 wires connection.
EKW control could be installed in Building Management
System (e.g. Idrorelax system by Climaveneta) via Modbus
protocol.
Technical data
Air sensor
Regulation range
Storage temperature
Max. storage humidity
Working temperature
Max. working humidity
Protection rating
Case material
Color
Dimensions
Weight
36
EN
Installation and management of Master-Slave system up to
8 units without other additional interfaces. EKW control
could be installed easily and quickly thanks to 2 wires con-
nection.
EKW control on Auto Mode continuously adjusts fan speed;
instead in Manual Mode runs fan coil with 3 preset speeds
(Max/Med/Min). The power supply is directly given from the
power board installed as standard on the side of the CHD.
Temperature selector
Adjust the temperature as
required by turning the
temperature selector from +14°C
to 30°C.
If connected as Slave control tem-
perature range is +/- 2 °C respect
Master control set point.
Function selector
Select the mode of operation
pushing the buttom.
Cooling
Heating
Off
Automatic setting
Speed selector
Select the fan speed pushing the
The repeated pressure of fan button
determines speed required.
Maximum fan speed
Medium fan speed
Minimum fan speed
Automatic fan speed
Led
Blue LED: Heating / Cooling
plus regulator call
Blue LED blinking: Hot start / Too Cool
function active
Blue LED:
operation in Cooling mode
Blue LED:
operation in Heating mode
Blue LED:
automatic cooling / heating
mode selection
10 kOhm @ T = 25 °C
+14°C a 30°C
-20 °C / +85 °C
90% (not condensing)
0 °C / +55 °C
90% (not condensing)
IP 30
PC+ABS (flame retardant V0)
RAL 9003 (white)
120 x 75 x 25 mm
0,265 kg
User
buttom.