Troubleshooting; Spare Parts; 10 Accessories - Honeywell Home F74CS Instructions D'installation

8

Troubleshooting

8.1 F74CS/FN74CS
Problem
Too little or no water pressure
8.2 FK74CS/FKN74CS
Problem
Water is escaping from the spring bonnet Diaphragm in valve insert is faulty
Too little or no water pressure
The outlet pressure set does not remain
constant
9

Spare Parts

For Spare Parts visit homecomfort.resideo.com/europe

10 Accessories

For Accessories visit homecomfort.resideo.com/europe
GB
Cause
Shut-off valves upstream or downstream
from filter not fully open
Filter mesh dirty
Not fitted in flow direction
Cause
Shut-off 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.
8
Remedy
Open the shut-off valves fully
Reverse rinsing
Fit filter in flow direction
Remedy
Replace valve insert
Open the shut-off valves fully
Set outlet pressure
Reverse rinsing
Fit filter in flow direction (note direction of
arrow on housing)
Reverse rinsing
Replace valve insert
MU0H-1186 GE23 R1019