Copyright HK Instruments 2022
www.hkinstruments.fi
Installation version 1.0 2022
DPT
SCHEMATICS
DIMENSIONAL DRAWINGS
Figure 1a - Surface mounting
MOUNTING THE DEVICE
CONTINUED
Figure 1b - Mounting orientation
Figure 1c - Application connections
Connection for display
Terminal block
Menu buttons
ZERO
A
24 V
GND
SELECT
UP
DOWN
B
A
B
Pressure sensor
Led
DPT
4.3
The pressure tubes are connected to a flow measurement probe (i.e. FloXact), or to the
measurement ports specified by the fan manufacturer. Please see the FloXact installation
guide or the fan manufacturer’s technical specifications for more information.
YES
NO
NO
INSTALLATION
1) Mount the device in the desired location (see step 1).
2) Open the lid and route the cable through the strain relief and
connect the wires to the terminal block(s) (see step 2).
3) The device is now ready for configuration.
WARNING! Apply power only after the device is properly wired.
STEP 2: WIRING DIAGRAMS
For CE compliance, a properly grounded shielding cable is required.
1) Unscrew the strain relief and route the cable.
2) Connect the wires as shown in figure 2.
3) Tighten the strain relief.
It is recommended to use shielded twisted pair cable for Modbus cabling.
The cable shield must be earthed only in one point, normally, at the end of
the main cable.
Figure 2 - Wiring diagram
B
A
24 V
GND
+ Power supply
24 VDC / 24 VAC
Modbus
STEP 1: MOUNTING THE DEVICE
1) Select the mounting location (duct, wall, panel).
2) Use the device as a template and mark the screw holes.
3) Mount with appropriate screws.
Pressure
Flow
Static pressure
Filter/Damper
monitoring
Fan/Blower
monitoring
Not
connected
