CMNET - HVAC Daikin Non-VRV installation guide Yoram Dagan December 26, 2021 16:14 Updated * For Daikin non-VRV equipment, DC voltage supply by CoolMasterNet might be required for proper operation. HVAC Communication TerminalsHVAC Indoor connection* Polarity is not required on the HVAC communication line.** Centralized (group) address required. Measure DC voltage on HVAC comm. Line 1 If no 14-16V DC voltage, change the dip switches as shown below: Turn ON the power for CoolMasterNet and connect it to HVAC line. Connect to the communication terminals on the HVAC equipment and secure the cables in L1 line plug. Insert the plug into CoolMasterNet L1 socket Related articles CMNET - HVAC Daikin VRV quick installation guide Comments 0 comments Please sign in to leave a comment.