Nilan reserves the right to alter these instructions without prior notice Page 3 af 25Introduction Please control that the following documents have been delivered together with the unit:- Directions for assembly & use (this document)- CTS 600 directions- Electrical chartComfort is designed for heat recovery with air volumes up til1200m3 / h. The energy from the ex-haust is recovered to the inlet via the counter flow heat exchanger, where the two air streams passeach other without coming into direct contact.The system is prepared for retrofitting of a post-heating element (electricity or water) for supplyheating of the inlet air. The post-heating element is controlled via CTS 602.The system comes standard with filter class F5 on the extract air and F7 on the supply air.Operating the unit is done with the CTS 602 control. The control has many functions such as menubased attendance, week programme, time controlled filter guard and adjustment of the velocity ofthe ventilator. (Directions for the CTS 602 control is described in another document delivered withthe unit.)Comfort is delivered tested and ready for use. Installation and start-up must be carried out by anauthorized electrician.