11. Troubleshooting
Problem
Water is escaping from the spring
bonnet
Too little or no water pressure
The outlet pressure set does not
remain constant
12. Spare Parts
No. Description
1 Spring bonnet complete
(with setting scale)
2 Valve replacement set
complete (without strainer)
3 Seal ring set
(pack of 10)
4 Pressure gauge
0 - 10 bar
5 O-ring set
(pack of 10)
6 Filter insert complete
upper/lower mesh size
105/135 m
Filter mesh size 20 m
Filter mesh size 50 µm
Filter mesh size 200 m
Filter mesh size 300 m
Filter mesh size 500 m
7 Clear filter bowl
MU1H-1130GE23 R0617
Cause
Diaphragm in valve insert is faulty
Shutoff valves upstream or downstream
from filter not fully open
Pressure reducing valve is not set to the
desired outlet pressure
Filter mesh dirty
Not fitted in flow direction
Filter mesh dirty
Valve insert, sealing ring or edge of
nozzle is contaminated or worn
Rising pressure on outlet (e.g. in boiler) Check check valve, safety group etc.
Dimension Part No.
/
" +
/
" 0901515
1
3
2
4
1" + 1
/
"
0901516
1
4
1
/
" + 2"
0901518
1
2
/
" +
/
" D06FA-1/2
1
3
2
4
1" + 1
/
"
D06FA-1B
1
4
1
/
" + 2"
D06FA-11/2
1
2
/
"
0901443
1
2
/
"
0901444
3
4
1"
0901445
1
/
"
0901446
1
4
1
/
"
0901447
1
2
2"
0901448
M07M-A10
/
" +
/
" 0901246
1
3
2
4
1" + 1
/
"
0901499
1
4
1
/
" + 2"
0901248
1
2
/
" - 1
/
"
AF11S-1A
1
1
2
4
1
/
" - 2"
AF11S-11/2A
1
2
/
" - 1
/
"
AF11S-1B
1
1
2
4
1
/
" - 2"
AF11S-11/2B
1
2
/
" - 1
/
"
AF11S-1C
1
1
2
4
1
/
" - 2"
AF11S-11/2C
1
2
/
" - 1
/
"
AF11S-1D
1
1
2
4
1
/
" - 2"
AF11S-11/2D
1
2
/
" - 1
/
"
AF11S-1E
1
1
2
4
1
/
" - 2"
AF11S-11/2E
1
2
/
" - 1
/
"
AF11S-1F
1
1
2
4
1
/
" - 2"
AF11S-11/2F
1
2
/
" - 1
/
" KF11S-1A
1
1
2
4
1
/
" - 2"
KF11S-11/2A
1
2
GB
Remedy
Replace valve insert
Open the shutoff valves fully
Set outlet pressure
Reverse rinsing
Fit filter in flow direction (note direction of arrow
on housing)
Reverse rinsing
Replace valve insert
8 O-ring set
(Pack of 10)
9 Drain connector
10 Ball valve complete
11 Double ring wrench
For removing the filter
bowl and spring
bonnet (no fig.)
13. Accessories
Z11S
Automatic reverse rinsing actuator
For automatic filter cleaning at presettable intervals
FT09RS Red-bronze filter bowl
For temperatures up to 70°C and operating pres-
sures up to 25.0 bar
RV277 Inlet check valve
Available in sizes R
VST06 Connection set
Connection set
A = Threaded male connection;
B = Solder union connection
AF11S Filter insert complete
Available with filter meshes 20 m, 50 m, 100 m,
200 m, 300 m, 500 m
9
/
" - 1
/
" 0900747
1
1
2
4
1
/
" - 2"
0900748
1
2
/
" - 2"
AA76-1/2A
1
2
/
" - 2"
KH11S-1A
1
2
/
" - 1
/
" ZR10K-1
1
1
2
4
1
/
" + 2"
ZR10K-11/2
1
2
/
" - 2"
1
2
Honeywell GmbH