3
5
7
• Pin definition.
Function
CT
Pin
Pin Definition
CT+
• For DRM (For AU / NZ): Only DRM 0 is available now.
For RS485.
RS485 port of
the inverter
Hand-tight
Heat
DRM
pump
1
2
Heat
DRM0
Pump-
RS485 to USB
4
6
8
RS485/
RS485/
Meter
Meter
3
4
485_A
485_B
RJ45 connector
Screw cap
*Wiring according to 568B standard
Heat
DRM
pump
5
6
Heat
+3.3V
Pump+
USB port of the
computer
1
8
Cross
screwdriver
0.5±0.1
N·m
CT
7
8
CT-
29