6
Standard 2-pipe installations (see manual for optional 4-pipe installations):
4. Place the back plate over the electrical wallbox and fasten it on the wall using the mounting holes.
5. Clip the display back on to the back plate. Switch on the power supply. Controller starts in
Off state. Press On/Off button to switch to On state.
3 FAN1
2 N
1 L
4 FAN2
5 FAN3
6 Heat/Cool
7
AI 10
GND 8
DI 9
230 V AC
Com port
MODBUS
(Com+)
B 13
(Com-)
A 12
GND 11
I
II
III
Pt1000
°C