Honeywell NK300s Instrucciones De Instalación página 4

NK300S BOILER FEED COMBINATION
Maintenance and cleaning of cartridge
insert
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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.
Cleaning agents can lead to water damage!
Detergents must not be allowed to enter the
environment or the sewerage system!
1. Close shut off valve on inlet and outlet.
2. Remove blanking plugs.
3. Backflow preventer is released.
4. Remove cover from cartridge insert.
5. Remove cartridge insert and strainer.
6. Remove strainer from cartridge insert.
7. Clean or replace strainer and cartridge insert.
33-00339EFS—01
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M36867
WARNING
Do not dismantle cartridge insert in
individual parts!
8. Reassemble in reverse order.
• Push down the cartridge insert till it snaps in.
9. Check operation.
Outlet Check valve
1. Close shut off valve on inlet and outlet.
2. Remove blanking plugs.
3. Backflow preventer is released.
4. Remove valve insert of pressure reducing valve
acc. to "Pressure Reducing Valve insert" on
page 3.
5. Replace check valve.
6. Mount valve insert of pressure reducing valve
acc. to "Pressure Reducing Valve insert" on
page 3.
7. Check operation.
DISPOSAL
• Dezincification resistant brass housing.
• Discharge connection, valve cartridge, valve insert
and spring bonnet in high-grade synthetic
material.
• Fiber-reinforced EPDM diaphragm.
• Seals in NBR and EPDM.
• Spring steel adjustment spring.
• Stainless steel fine filter mesh.
NOTE: Observe the local requirements regarding
correct waste recycling/disposal!
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M36638