Vents VUT 300 WH EC, Руководство пользователя

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14
VUT .. WH ЕС
UNIT CONTROL
Fig. 11. Location of the electronic control block
1. Extract filter
2. Heat exchanger
3. Supply filter
4. Electronic control block
5. Water heater
6. Extract fan
General description of the automatic control system.
The unit is equipped with a built-in electronic control and automatic block (refer item 4 on fig. 11)
and the remote control panel (fig. 14).
The automatic control system has the following functions:
1. Switching the unit ON/OFF;
2. Maintaining set supply temperature by means of actuating the heat medium regulating valve;
3. Water heater freezing protection according to TS1 thermostat installed downstream from the
water heating coils and according to return heat medium sensor;
4. Actuating the heat exchanger bypass damper;
5. Control and monitoring of the external circulation pump;
6. Heat exchanger freezing protection;
7. Control and monitoring of the supply and extract fans;
8. Actuating supply and exhaust air dampers;
9. System shutdown on signal from fire fighting system.
Recommended rated current of the circuit breaker is 6.3 A. To connect the unit to power mains
route the power and ground cables through the cable screws gland.
The mounting place of the automatic circuit breaker must ensure a quick access for alarm
switching off if required.