fi lter unit in the slots for the fi lter inside the cover.
Insert the cover into the mounting tube, making
sure that the air vent points upwards and that the
cover sits tightly.
The units must have a fi lter inserted
before being turned on for the fi rst
time.
6. OPERATING THE SYSTEM
6.1. PULSE 160
The inside cover can be shut, should you not use
the system over a longer period or should you want
to prevent smoke for instance entering the room.
Do not operate the system when the
inside cover is shut!
6.1.1. Shutting the inside cover
Step 1: Pull the inside cover out of the mounting
tube.
Step 2: Use the fl ap attached to the inside of the
cover.
Step 3: Press the fl ap into the fl exible foam until
it sits tightly.
20
Step 4: Reinsert the inside cover into the mounting
tube.
6.1.2. Opening the inside cover
Step 1: Pull the inside cover out of the mounting
tube.
Step 2: Pull the fl ap out of the fl exible foam.
Step 3: Reattach the fl ap to the inside cover.
Step 4: Carefully reinsert the inside cover into the
mounting tube.