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Table 3.1.2 Technical Specifications for VHR EC Models
Efficiency up to 70%, depending on working conditions
Synthetic Filter – For Exhaust and Fresh Air
*External static pressure
**According to EN 13779
VHR Heat Recovery Units are controlled with Standard Electronic Controller (SEC), supplied as standard with
the unit. The supply air fan and return air fan are driven as 5 speeds with SEC. Also the electrical heater
(optional) can be controlled by SEC manually or automatically depending on the room set temperature, has a
protection system (optional) against the frost formation at the temperatures below -5°C, and Pressure Sensor
(optional) for clogged filter.
Functional Electronic Controller (FEC) could be supplied optionally. Moreover to SEC, CO
2
sensor or air quality
sensor could be optionally connected. The fan speed automatically changes by regarding to the sensor value.
All controllers have a digital input for Building Management System or VRF (VRV) System and also have a
digital output for the unit status information.
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