Hitecsa EWMIM Serie Manual De Instalación, Uso Y Mantenimiento página 61

The sizing of the By-PASS is up to the installer; it is in any case recommended to include a calibration valve to balance the system.
Pump set up with the V3V accessory (only for heat pumps models)
The heat pump units with the Pump P1-P2-PI1-PI2 (single electric pump) set up can be supplied with a factory-fitted 3-way diverter valve. This way it is
possible to manage the production of domestic hot water without the addition of external valves.
IOM_EWMIM-EWMIMH_120a262_207984_200601_ES-EN-FR-DE-IT
1 Unit
2 Inertial storage tank (if necessary)
3 Domestic
4 Technical water storage tank
Position of the connections ACS – V3V
63
ADVANCE