4
5
6
7
• Pin definition for RS485/Meter/DRM (For AU / NZ)/Heat Pump Controller
Item
Pin
Pin Definition +12V DRM0 Heat Pump RS485_A RS485_B
* For DRM, only DRM 0 is available now.
54
DRM
Heat Pump
1
2
3
1) White with orange stripes
2) Orange
3) White with green stripes
4) Blue
5) White with blue stripes
6) Green
7) White with brown stripes
8) Brown
1
RS485/Meter
Heat Pump
4
5
2
Hand-tight
-
6
7
GND
X
-
8
X