HK Instruments DPT-Dual-MOD Series Installation Instructions page 2

SCHEMATICS
LEDs
Joystick 1
Select
Joystick 2
Up A
Joystick 3
B
Down
24 V
GND
Menu buttons
DIMENSIONAL DRAWINGS
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 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.
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Input terminal
configuration
jumpers
Pressure
sensors
Display connection
Input 1
GND
Terminal
Input 2 blocks
GND
Output Input
Pressure Pressure
inlet A inlet B
MOUNTING THE DEVICE
YES
Figure 1b - Application connections
Pressure
Static pressure
Flow
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.
STEP 2: WIRING DIAGRAMS
For CE compliance, a properly grounded shielding cable is required.
1) Unscrew the strain relief and route the cable(s).
2) Connect the wires as shown in figure 2a and 2b.
3) Tighten the strain relief.
Modbus
+ Power Supply
24VDC / 24VAC
Figure 2b - Wiring diagram example for input signals
Pt1000
NTC10k
Input 1 Pt1000 temperature:
Function 04 - Read input register 3x0005
Input 2 NTC10k temperature:
Function 04 - Read input register 3x0008
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CONTINUED
Figure 1a - Mounting orientation
NO
Filter/Damper
monitoring
Not
connected
Figure 2a - Wiring diagram
A
B
24 V
GND
J1
Input 1
J2
GND
J3
Input 2
GND
NO
Fan/Blower
monitoring
Input 1
GND
Input 2
GND
IN1 IN2
Installation version 6.0 2017