AFRISO WAF Serie Betriebsanleitung Seite 39

8.1.2 Checking the pressure reducer
Maintenance
1
2
1. Close the valve at the out-
let side (1). If the pressure
P does not change, the
2
pressure reducer oper-
ates properly.
2. Close the valve at the out-
let side (2).
3. Otherwise, the pressure
reducer must be replaced
(see chapter "Replacing
the pressure reducer".
WAF 04 R
EN
17