Honeywell BA295STN-11/2A, Инструкция по установке, Страница: 7 / 14

MU1H-1239GE23 R0
2
10 7 Honeywell GmbH
GB
11. 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
12. Wearing parts*
* Note:Wearing parts are excluded from warranty!
13. Spare parts
14. Accessories
1 Cartridge insert
complete 1
1
/
2
" / DN40 0903745
2 Shutoff facility
complete 1
1
/
2
" / DN40 AE295STN-11/2A
3 Sieve 1
1
/
2
" / DN40 S295STN-11/2
4 Sealing set 1
1
/
2
" / DN40 DS295STN-11/2
1
2
3
4
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.
BS295STN-11/2ABlind plug C-coupling
With integrated test socket for checking
standpipe-BA
TK295
TKA295 BS295STN-11/2A