1. Install the attached clamp-on temperature sensor at the supply pipeline from the heat pump.
Extend the cable if necessary up to 50m with J-Y(St)Y 2x2x0,8.
2. Separate the back plate from the display part with a small screwdriver. Insert him in the
grooves at the bottom of the display part and turn it slightly.
3. Connect the wires to the terminals.
Terminal
Description
L
Supply voltage 230V AC Phase
N
Supply voltage 230V AC Neutral
FAN1
Fan speed 1, digital output
FAN2
Fan speed 2, digital output
FAN3
Fan speed 3, digital output
Heating and Cooling valve actuator at 2-pipe installation, Heating valve actuator
Heat
at 4-pipe installation, digital output
Cool
Cooling valve actuator at 4-pipe installation, digital output
AI
external temperature sensor, analog input
DI
external potential-free contact, digital input
GND
Ground /reference potential for AI, DI and Modbus Com N
A
Serial communication port Com A, Modbus RTU
B
Serial communication port Com B, Modbus RTU
INSTALLATION
EN
DE
FR
ES
IT
NL
SV
NO
DK
FI
PL
CZ
HU
HR
SI
ET
LV
PT
LT