Danfoss A376 Series Mounting Manual page 18

Mounting Guide
ECA 30 / 31
Master / slave
Modbus
18 DEN-SMT/DK
B
A
B
A
ECL 210 / 310
B
A
B
A
VI.GU.D3.00
ECL Comfort 310, A376
B
A
B
A
Danfoss District Energy