Hitecsa EWMIG 236 Manual De Instalación, Uso Y Mantenimiento página 39

II.6.6.5 Valve body technical characteristics and servomotor technical data
The diverter valve with nickel-plated bass body, chrome-plated brass ball, PTFE ball seat seal and HNBR manoeuvre rod seal, synthetic fibre (Fasit)
bar hold gaskets.
Maximum differential pressure is: 6 bar Working pressure: PN 40 Flow temperature limits: -40÷100°C
Ball manoeuvre time with 180° angle: 120 s.
The passage of fluid is always guaranteed during the manoeuvre. The actuator is contained in a sealed box fixed to the valve body via a split pin.
Nominal power supply voltage 230 V/50Hz Absorbed power 4 VA Isolation class: II
Maximum torque: 28 Nm (230V) Auxiliary contact: 6 A 230V (on-off)
1000
10
0,1
100
II.6.6.6 Electrical connection
1
2
F TA N
Connection of KVDEV valve to unit terminal board
For units assembled with Pump set up, the KVDEV kit can be installed for managing the domestic
hot water production. The 3-way valve allows deviating the water flow from the system to the
technical water tank for the production of domestic hot water.
The kit includes two flexible pipes to connect the delivery and return of the unit. The flexible pipes
compensate the misalignment between the system delivery and return fittings of the unit and the
corresponding KVDEV fittings even if the unit is equipped with KSA anti-vibration supports.
The accessory must be mounted the closest possible to the heat pumps, in order to prevent a transfer
of cold water inside the domestic hot water storage, during the passage between heat pump chiller
operation to produce domestic hot water.
The delivery and return fittings towards the system are available with 2" connections. The kit is
equipped with RAL9018 painted bonnet.
Cable gland for wiring the power supply. IP 54 rate
Portata (l/h)
1
Electrical panel terminal board
2 KVDEV valve
SECTION II: INSTALLATION AND MAINTENANCE
100000
41