Honeywell BA295D-1/2AS, Руководство по установке

Страница: 7 / 10

Honeywell GmbH 7 MU1H-1247GE23 R0614
GB
10. Troubleshooting
11. Spare Parts 12. Accessories
Disturbance Cause Remedy
Discharge valve opens without appa-
rent 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 Replace complete replacement unit
Discharge valve does not close Deposits on valve seat Replace complete replacement unit
Damaged ’o’ring Replace complete replacement unit
Leaky discharge valve Replace complete replacement unit
Flow is too low Inlet strainer is blocked Replace complete replacement unit
No. Description Part No.
1 Replacement unit AE295D
2 Strainer S295D
3 Cartridge insert 0903733
4 Check valve insert 2110200
5 Set of blanking plugs PS295STN
6 Shutoff facility AS295D
7 Seal brackets (10 pieces) PS295D
8 Retaining clip (10 pieces) HK295D
2
5
1
7
6
4
3
8 7
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 diffe-
rential pressure display.
With case and accessories, ideal for inspection
and maintenance of backflow preventer type BA.
WS295STN Maintenance-set
Maintenance-set for BA295STN and BA295D
type backflow preventers for use with Test kit
TK295 resp. TKA295
TK295
TKA295
3x 1x 1x
WS295STN