Panasonic WU-144MF1U9E ECOi/VRF Systems Indoor Unit Installation Manual - Page 67

4-4. Important Note When Wiring for Common Type Connect the wires referring to the diagram. Note that the control wirings (Low voltages) shall be segregated from the power supply wires (High voltage) as follows: 1. Connect the Inter-unit control wiring to U1/U2 terminals and the remote control wire to R1/R2. (excepting K1 type). 2. Connect the power supply wires to "L1, L2" of the terminal block. Be sure to connect the grounding conductor of the incoming power supply to the earth (ground) screw. 3. Securely affix the power supply wires and remote control wires by the clamping strap or clamping clip not to cross each other and not to leave the wirings loose. When loosening the clamping clip, twist the strap and it will come undone. U1 Type Earth screw Power wiring (field supplied) Clamping clip Clamping clip Twist NOTE Securely affix the 3-way wiring harness with the remote control wiring (U1 type). D1 Type Remote control wiring and Inter-unit control wiring (field supplied) F1 Type Conduit (field supplied) Conduit Earth screw Power wiring (field supplied) Conduit (field supplied) Connection for Solenoid Valve Kit (for 3WAY) Remote control wiring and Inter-unit control wiring (field supplied) Clamping clip Earth screw Power wiring (field supplied) Clamping clip Remote control wiring and Inter-unit control wiring (field supplied) Connection for Solenoid Valve Kit (for 3WAY) 67 73'@*OEPPS@64JOEC