Brochure

Data sheet
3
VDUIE122 © Danfoss 07/09
FHV-A / FHV-R
Floor Heating Valve
1 2 3 4 5 6 7
N
The incorporated pre-settable option on
the FHV-A valve body has an easy setting
adjustment ring with clearly engraved setting
markers scaled from 1-7 and N. Setting the
appropriate valve is quick and precise, without
the need for a special tool. The preset selections
are in 0.5 increments between 1 and 7, with N
being in a full flow position. (Refer to Capacity
charts for flow rates)
To set the valve:
Remove the protective cap or sensor 1.
element
Lift setting ring2.
Rotate ring to the desired flow setting, and 3.
align position with indicator located on the
collar of the valve
Allow setting ring to drop down into 4.
position
Design and Function:
FHV-A
1. Pressure pin 2. Gland seal
3. O-ring seal 4. Return spring
5. Valve cone 6. Valve body
7. Connection
FHV-R
1. Pressure pin 2. Gland seal
3. Valve cone 4. Valve body
5. Connection
Pre-setting: