Danfoss PFM 100 User Manual

User Guide
PFM 100 Measuring Instrument
1 Application
The PFM 100 is used for measuring the differential pressure on
both sides of a valve in hydronic systems.
2 Functions
3 Usage
1. Connect the hoses to the valve.
2. Air the hoses.
3. Connect the valve to the PFM 100.
4. Zero adjust.
▪ From the main menu select the Zeroing option in order
to correct the static pressure influence.
▪ To reset the device to zero follow the instruction on the
display.
Danfoss Heating Solutions
The set consists of :
▪ One PFM 100 Measuring Instrument.
▪ Two hoses with couplings.
▪ Two needles incl. ball valves.
Flow and pressure can be displayed in various units, which you
can choose from in the menu.
The PFM 100 can communicate with you in one of 10 possible lan-
guages.
Please note that the pressure unit must not be exposed to sub-
zero temperatures. The pressure unit must at all times be stored at
temperatures above 0° C.
ON / OFF button.
Menu button.
Used for navigating through the menu options.
Press to enter the menu. Press and hold to exit the
menu.
Confirmation button.
Press to select the marked item.
5. Type in the K -value.
v
If the k value of the measured valve is known, it can be en-
V
tered in the PFM 100 to display the valve flow.
▪ From the main menu select the Kv value option.
▪ Press the Confirmation button to go through the se-
quence of numbers.
▪ Press the Menu button to increase / decrease the num-
bers.
▪ Press and hold the Confirmation button to save and
exit the menu.
6. Read off the flow in the display of the PFM 100.
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