Panasonic U-72MF1U9 Technical Data Manual page 42

3. Electrical Wiring
3-4. 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.
1
NOTE
2
Securely affix the 3-way wiring
harness with the remote
control wiring (U1 type).
3
D1 Type
Remote control wiring
and Inter-unit control wiring
(field supplied)
4
5
6
7
Clamping
clip
8
Clamping clip
Twist
Conduit
(field supplied)
Power wiring
(field supplied)
Earth screw
U1 Type
Earth screw
Power wiring
(field supplied)
Clamping
clip
Conduit
F1 Type
Earth screw
Power wiring
(field supplied)
Conduit
(field supplied)
Clamping
clip
Remote control wiring
and Inter-unit control wiring
(field supplied)
2 - 28
Design of 3WAY VRF SYSTEM
Connection for
Solenoid Valve Kit
(for 3WAY)
Remote control wiring
and Inter-unit control wiring
(field supplied)
Connection for Solenoid
Valve Kit (for 3WAY)