
Product type
Infrared remote or wall interface control for 2 or 4 pipe systems
and additional electric heater.
MAIN FUNCTION:
•
On-o valves control, modulating (0-10Vdc) or 3 speed fan motor control,
on/o electric heater control.
• Water temperature sensors for soft start function in heating and
cooling mode; heating and cooling automatic change over; alarm.
• Intake air sensor.
• System programming with dip-switch.
• MODbus communication protocol.
• Master-slave function (only system without MODbus supervision).
• Installation on the unit for print circuit board and receiver.
• Display LCD function control with infrared remote or wall interface.
Technical data
Power supply: 230Vca ±10% 50Hz
Contact capacity - 3 speed motor out: 3 (1,5) A @ 230Vca
Contact capacity - valves and
electric heater on/o out: 0,5 A @ 230Vca
Sensor type: NTC 50 K @ 25°C
Dierential: 1°C
Resolution: 1°C
Room temperature regulation range: 10°C .. 30°C
Product and function description
INFRARED REMOTE CONTROL REGULATION
On and o unit;
room temperature setting;
fan speed min-med-max and auto (fan speed automatic control as the desired room temperature approaches ).
Send button: send to other units all the settings on the infrared remote control. With this function is possible use a single infrared remote control
for all unit regulation.
Function mode: automatic heating/cooling, heating, cooling and fan only.
Clock and daily timer for timed unit operation.
WALL INTERFACE RWI-ECM 1-2 REGULATION
See the specic manual for this product
PRINT CIRCUIT BOARD CONTROL
Water temperature sensor and limit function
Every print circuit board is supplyed with 2 or 3 temperature sensor: depend to the system.
T1
Air temperature sensor: is install on the intake air unit.
T2
Water temperature sensor for mode function: is install in the pipe before the valve to the water inlet:
Heating: water temperature > 32°C
Cooling: water temperature < 15°C
INFRARED REMOTE
CONTROL
INFRARED
RECEIVER
PRINT CIRCUIT
BOARD
OR WALL
CONTROL