Troubleshooting - Watts BA 009MC Manuel D'installation Et D'utilisation

DN
60-65 2"1/2
80 3"
100 4"
1500 6"
200 8"
250 10"

4. Troubleshooting

PROBLEM
1. Rapid discharge of water through the
relief valve followed by normal operation
2. Continuous discharge of water
through the relief valve in the course of
normal operation
3. Continuous discharge of water
through the relief valve in safe mode
(normal flow or no flow)
8
D
B
E
Repair kits for BA 009MC Backflow Preventer
Draining valve assembly (A), First check module (B), Second check module (C),
Draining valve seat (cover) (D), Draining valve seat (body) (E)
POSSIBLE CAUSE
Pressure fluctuation in the upstream water supply
network
The relief valve is dirty or damaged
a. The upstream valve is dirty or damaged
b. The piston seal of the relief valve is dirty or damaged
c. The downstream valve is dirty or damaged
C
A
Complete kit
2231722MCK
2231822MCK
2232300MCK
2232400MCK
2232500MCK
2232600MCK
None
Clean or replace the relief valve module
a. Clean or replace the upstream valve
b. Clean or replace the relief valve module
c. Clean or replace the downstream valve
EN
F
ACTION