Maintenance; Disposal - Honeywell CA195 Installation Instruction

7. Maintenance

We recommend a planned maintenance
contract with an installation company
In accordance with DIN EN 1717 a regular mainte-
nance must be taken.
7.1 Inspection
7.1.1 System disconnector
Interval: once a year
To be carried out by an installation company or
the operator.
1. Close shutoff valve on inlet
2. Open the drain point on the inlet side of the shut-off
ball valve.
o If the differential pressure between middle and
inlet chambers is less than 10 % of the inlet pres-
sure, the system disconnector moves into discon-
nect position (back suction). The inlet side
backflow preventer closes and the discharge
valve opens.
Discharge valve does not open, replace back-
flow preventer!
3. Close the drain point on the inlet side of the shut-off
ball valve
4. Slowly open shutoff valve on inlet
7.1.2 Tightness
Interval: once a year
To be carried out by an installation company or
the operator.
1. Open sampling point
o Backflow preventer changes into flow position.
2. Optical control backflow preventer of location and
tightness.
Water is escaping from backflow preventer call
Technical Customer Service!
MU1H-1225GE23 R1109
GB

8. Disposal

• Dezincification resistant brass housing
• High-quality synthetic material valve cartridge
• High-quality synthetic material check valves
• NBR and EPDM seals
• High-quality synthetic material discharge connec-
tion
6 Honeywell GmbH