Honeywell FK76CS-1 1/4"AA [2/6] Construction

FK76CS/FKN76CS - Reverse rinsing filter combination

2 Product Specification Sheet • EN0H-1104GE23 R0219 • Subject to change

CONSTRUCTION

METHOD OF OPERATION

The filter combination combines reverse rinsing filter and

pressure reducing valve in one appliance.

The downstream reverse rinsing fine filter holds back any

dirt particles in the water. These particles are then

completely flushed out by reverse rinsing.

Filters with Double Spin Technology have turbine blades

which circulate the water and thereby set the rotor on the

upper filter into a rotational motion. The internal impeller

rinses off particles that have adhered to the upper filter at

the intersecting points with the rotor.

The integral pressure reducing valve functions on a

balanced force principle whereby the force exerted by a

diaphragm is balanced against the force of an adjustment

spring. The inlet pressure has no influence on opening or

closing of the valve. Inlet pressure fluctuation does not

therefore affect the outlet pressure.

TRANSPORTATION AND STORAGE

Keep parts in their original packaging and unpack them

shortly before use.

The following parameters apply during transportation and

storage:

*non condensing

INSTALLATION GUIDELINES

Setup requirements

• Install in horizontal or vertical pipework with filter bowl

downwards

– This position ensures optimum filter efficiency

• Install shut-off valves

• These filters are armatures which need to be maintained

regularly

• Ensure good access

– Pressure gauge can be read off easily

– Degree of contamination can be easily seen with

clear filter bowl

– Simplifies maintenance and inspection

• The installation location should be protected against

frost

• Fit immediately after water meter

• Related to the EN 806-2 it is recommended to install the

filter immediately after the water meter

• In order to avoid flooding, it is recommended to arrange

a permanent, professionally dimensioned wastewater

connection

Overview Components Materials

1 Spring bonnet with

adjustment knob and setting

scale

High-quality synthetic

material

2 Threaded male connections Brass

3 Rotatable connector piece

(FK76CS only)

Red bronze

4 Housing with pressure

gauge

Red bronze

5 Fine filter in clear filter bowl Shock-resistant, clear

transparent synthetic

material filter bowl,

stainless steel fine filter

6 Ball valve with drain

connection

Brass (Ball Valve body),

Stainless steel (ball),

Plastic-durethan

(drain adapter)

Not depicted components:

Valve insert complete with

diaphragm and valve seat

High-quality synthetic

material, fibre-reinforced

NBR diaphragm

Double wring wrench Plastic

Seals NBR

Parameter Value

Environment: clean, dry and dust free

Min. ambient temperature: 5 °C

Max. ambient temperature: 55 °C

Min. ambient relative humidity: 25 % *

Max. ambient relative humidity: 85 % *

Honeywell FK76CS-1 1/4"AA [2/6] Construction

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