R410A DC Inverter VRF V4 Plus W Series 50Hz
MCAC-VTSM-2016-04
26 Specification & Performance
5.5.2 A water circuit for several systems wiring
Note:
1. The signal connecting line between main units, indoor and main units and indoor units has polarity. When connecting, be
careful to prevent error connection.
2. Signal line shall adopt three-core shielded wire with an area above 0.75 mm2.
3. Do not bind signal line and copper pipe together with belting.
4. Make sure that the shield metal layer should be grounded well indoor control box in order to prevent interference.
5. It’s forbidden to connect 200V or above high-volt power to the communication terminal.