Installation Instructions
11
The control panel has the following buttons:
1. On/o button
2. Not active
3. Fan speed control adjustment (auto/high/med/low);
4. Not active;
5. Not active;
6. Not active;
7. Heating power scale;
8. Heating power value;
9. Not active;
10. Temperature measuring unit;
11. Not active;
12. Selected fan speed;
13. Not active;
14. Indoor temperature.
To turn the unit on/o press the button (1). Required fan speed (air ow) is set by means by
consecutive pressing the button 3. The speed settings are displayed on the control panel, 12. The indoor
temperature indicator (14) displays indoor temperature.
2. CO
2
transmitter
The CO
2
transmitter Tongdy CO
2
(g. 9) is designed for use in oces and other public
premises. It switches fans to higher speed as CO
2
indoor concentration exceeds setpoint.
Fig. 8 Control panel SAS908