Troubleshooting - Honeywell BA195 miniBA Einbauanleitung

10. Troubleshooting

Problem
Discharge valve opens without
apparent reason
Discharge valve don't close
Flow is to low
11. Accessories
F74CS
TK295
TKA295
TK295 Test kit
Electronic pressure measuring device with
digital indicator, battery-operated.
With case and accessories, ideal for inspec-
tion and maintenance of backflow preventer
type BA.
TKA295 Test kit
Analogue pressure measuring device with
differential pressure display.
With case and accessories, ideal for inspec-
tion and maintenance of backflow preventer
type BA.
WS195 Maintenance-set
Maintenance-set for BA195 type backflow
preventers for use with Test kit TK295 resp.
TKA295
MU1H-1233GE23 R0611
Cause
Pressure strokes in water supply
system
Fluctuating inlet pressure
Cartridge insert is contaminated
Deposits on valve seat
Damaged 'o'ring
Leaky discharge valve
Inlet strainer is blocked
3x 3x
3x
WS195
GB
Remedy
Install a pressure reducing valve upstream
the backflow preventer
Install a pressure reducing valve upstream
the backflow preventer
Remove cartridge insert and exchange it
Remove cartridge insert and clean or
exchange it
Remove cartridge insert and exchange it
Remove cartridge insert and clean or
exchange it
Remove strainer and clean it
F74CS Fine filter
Reverse rinsable fine filter with rotatable
connection piece
12. Spare Parts
Backflow preventer BA195, from 2006 onwards
No. Description
Cartridge insert
1
complete
Check valve insert
2
complete
Discharge connection
3
7
2
1
3
Part No.
/ " KE195
3
8
/ " 2110200
3
8
AT295STN
Honeywell GmbH