ACQVARIA
TECHnICAL MAnuAL
42
» 3-way valve kit - 4 pipes, AQ 40-50-60
1
Cold water outlet
2
Cold water inlet
3
Hot water outlet
4
Hot water inlet
NOTE: The actuators are not shown.
1
5
3
2
4
11.2 PRESSURE-INDEPENDENT MOTOR-DRIVEN 2-WAY VALVE KIT
WARNING:
The installation of a valve kit on the fan coil unit
is mandatory ACQVARIA.
The pressure-independent 2-way valve kit consists of:
Ū 2-way valve with maximum operating pressure of 16 bar.
Ū Electrothermal actuator with 230 V or 24 V power supply, On/
OFF (or modulating) function, total opening time 3 minutes.
Ū Hydraulic kit with O-ring for connection with the exchanger
and paper gasket for connection with the valve.
Ū Brackets for fastening the hydraulic kit on the side of the unit
in order to ensure stability during transport if the valves are
already installed.
The valve kits are shown in the figures on page: p. 43
and p. 44.
Unit
Valve type
Connection
Δp min [kPa]
AQ10Q0B0, AQ20Q0B0 (2 pipes)
2-way
3/4’’ M
32
AQ40Q0B0, AQ50Q0B0, AQ60Q0B0 (2 pipes)
2-way
1 1/4 ‘’ M
20
Cooling
Heating
Unit
Valve type
Connection
Δp min [kPa]
Connection
Δp min [kPa]
AQ10Q0BB, AQ20Q0BB (4 pipes)
2-way
3/4’’ M
16
3/4’’ M
16
AQ40Q0BB, AQ60Q0B0 (4 pipes)
2-way
1 1/4 ‘’ M
20
1’’ M
16
