Honeywell SG160S Notice De Montage page 11

Vanne de securite combinee
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9.4. Cleaning
Caution !
Do not use any cleansers that contain solvents and/or
alcohol for cleaning the plastic parts, because this
can cause damage to the plastic components - water
damage could result.
If necessary, the filter bowl and the filter can be cleaned.
To be carried out by an installation company or the
operator.
Detergents must not be allowed to enter the environ-
ment or the sewerage system!
1. Close shutoff valve on inlet
2. Release pressure on outlet side (e.g. through water tap)
3. Close shutoff valve on outlet
4. Unscrew filter bowl
• Use double ring wrench ZR06K
5. Remove filter, clean and reinsert
6. Place O-ring onto filter bowl
7. Screw in filter cup hand-tight (up to max. 18Nm)
11. Troubleshooting
Problem
SG160S and SG160SD
Drips
Check valve does not close off
tightly in the front pressure area
Too little or no water pressure
SG160SD only
Water is escaping from the spring
bonnet
Too little or no water pressure
The outlet pressure set does not
remain constant
MU1H-1346GE23 R1014
GB
Cause
During the heating up of the water heater no error, normal function
Continually drips from soiling
Pressure increase in the front pres-sure
area
Seal surfaces dirty or worn
Cut-off fixtures before or after the safety
group not opened entirely
Safety group not installed in the flow
direction
Diaphragm in valve insert is faulty
Pressure reducing valve is not set to the
desired outlet pressure
Filter in pressure reducing valve is conta-
minated
Filter in pressure reducing valve is conta-
minated or worn
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.
Expansion water from the hot water puri-
fier
11
8. Slowly open shutoff valve on inlet
9. Slowly open shutoff valve on outlet
10. Disposal
• Dezincification resistant brass housing
• Brass threaded connections
• Stainless steel filter mesh on pressure reducing valve
• Transparent synthetic material filter bowl on pressure redu-
cing valve
• High grade synthetic material pressure reducing valve
insert, spring bonnet with adjuster knob, shutoff valves, test
socket, check valve, safety valve insert and drain connector
• Fibre-reinforced NBR diaphragm
• NBR seals
Observe the local requirements regarding correct
waste recycling/disposal!
Remedy
Actuate lifting grip multiple times so that dirt
particles are flushed out, or replace as neces-
sary
Replace check valve
Replace check valve
Open the shutoff valves fully
Install safety group in flow direction (observe
arrow direction on housing)
Replace valve insert
Set outlet pressure
Clean or replace filter
Clean or replace filter
Replace valve insert
Inspect ckeck valve before the hot water purifier
and single-lever mixing valve if necessary
Close shut-off valves to the hot water puri-fier
supply line. Open hot water tap connec-tion.
Does pressure remain constant? Expansion
water of the hot water purifier. Does pressure
increase? Pressure reducer defect
Honeywell GmbH

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