Important Note When Wiring For Y1 Type - Panasonic S-12MU1U6 Installation Instructions Manual

4-5. Important Note When Wiring for Y1 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.
Then place and fi x the two clasps so that the clasps
shall cover both the remote control wires, the Inter-
unit control wiring and the 3-way wiring harness as
shown in the magnifi ed drawing.
2. Connect the grounding conductor of the incoming
power supply to the earth (ground) screw before
connecting the power supply conductors to "L1, L2" of
the terminal block.
3. Securely affi x the two power supply conductors (L1,
L2) in the wiring channel by the clamping strap as
shown.
NOTE
Take care not to damage the control wirings by the clasp.
Do not leave the control wirings loose.
VRF_Indoor_US.indb 70 VRF_Indoor_US.indb 70
Y1 Type
Power wiring
(fi eld supplied)
Entirely cover the control
wirings (Remote / Inter-unit
3WAY connection)
Remote control wiring and Inter-unit
control wiring (fi eld supplied)
70
Connection for Solenoid
Valve Kit (for 3WAY)
Remote control wiring
(fi eld supplied)
Clasp
Conduit
(fi eld supplied)
Earth screw
Clamping clip
2011/09/30 12:23:13 2011/09/30 12:23:13