Honeywell BA295STN-3/4WH, Инструкция по установке, Страница: 7 / 10

MU1H-1241GE23 R0710 7 Honeywell GmbH
GB
10. Troubleshooting
Disturbance Cause Remedy
Discharge valve opens without
apparent reason Pressure strokes in water supply system Install a pressure reducing valve
upstream the backflow preventer
Fluctuating inlet pressure Install a pressure reducing valve
upstream the backflow preventer
Cartridge insert is contaminated Remove cartridge insert and
exchange it
Discharge valve does not close Deposits on valve seat Remove cartridge insert and clean or
exchange it
Damaged ’o’ring Remove cartridge insert and
exchange it
Leaky discharge valve Remove cartridge insert and clean or
exchange it
Flow is to low Inlet strainer is blocked Remove strainer and clean it
11. Spare Parts 12. Accessories
1 Cartridge insert
1
/
2
" - 1" 0903733
2 Check valve insert
1
/
2
" - 1" 2110200
3 Filter
1
/
2
" - 1" S295STN
4 Set of blanking plugs
1
/
2
" - 1" 0903886
3
1
4
2
TK295 Test kit
Electronic pressure measuring device
with digital indicator, battery-operated.
With case and accessories, ideal for
inspection and maintenance of backflow
preventer type BA.
TKA295 Test kit
Analogue pressure measuring device with
differential pressure display.
With case and accessories, ideal for
inspection and maintenance of backflow
preventer type BA.
WS295STN Maintenance-set
Maintenance-set for BA295STN type
backflow preventers for use with Test kit
TK295 resp. TKA295
TK295
TKA295
3x 1x