Troubleshooting; Spare Parts; Accessories - Honeywell F76CS Notice De Montage

11. Troubleshooting

11.1 FK76CS/FKN76CS
Problem
Water is escaping from the spring
bonnet
Too little or no water pressure
The outlet pressure set does not
remain constant
11.2 F76CS/FN76CS
Problem
Too little or no water pressure

12. Spare Parts

1 Spring bonnet complete
(with setting scale)
2 Valve insert complete
(without sieve)
3 Seal ring set
(Pack of 10)
4 Pressure gauge
(0 - 16 bar)
5 Flange seal
6 Filter insert complete for
filters with Double Spin
Technology
Filter mesh 100 µm
7 Clear filter bowl
complete
8 O-ring set
(Pack of 10)
9 Drain connection
10 Ball valve complete
11 Double ring wrench
For removing the filter
bowl (no fig.)
Honeywell GmbH
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.
Cause
Shutoff valves upstream or downstream
from filter not fully open
Filter mesh dirty
Not fitted in flow direction
/ " - 1 / " 0901517
3 1
4 4
/ " - 1 / " D06FA-1A
3 1
4 4
/ " 0901444
3
4
1" 0901445
1 / " 0901446
1
4
M07M-A16
/ " - 1 / " 5536400
3 1
4 4
/ " - 1 AF11DS-1A
3 "
4
/ " - 1 / " KF11S-1A
3 1
4 4
/ " - 1 / " 0900747
3 1
4 4
/ " - 1 / " AA76-1/2A
3 1
4 4
/ " - 1 / " KH11S-1A
3 1
4 4
/ " - 1 / " ZR10K-1
3 1
4 4
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
Remedy
Open the shutoff valves fully
Reverse rinsing
Fit filter in flow direction

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
ZA76C Connector piece
For conversion of the fine filters with rotatable
connector pieces (1 1/4" and 1 1/2") into retrofit
FKN76CS filter combinations (Converts 63 mm hole
centres to 45 mm hole centres)
RV277 Inlet check valve
Available in sizes R
VST06 Connection set
Connection set
A = Threaded male connection;
B = Solder union connection
AF11DSFilter insert complete
Available with filter meshes 100 µm, for filters with
Double Spin Technology
DA74C Rotatable connector piece
For connection of retrofit filter combinations
D06FB Retrofit pressure reducing valve
For retrofitting to upgrade to a filter combination
10
/ " - 2"
1
2
MU1H-1111GE23 R0707