Electrical Wiring; General Precautions On Wiring; Recommended Wire Length And Wire Diameter For Power Supply System - Panasonic S-12MU1U6 Installation Instructions Manual

4. ELECTRICAL WIRING

4-1. General Precautions on Wiring

(1) Before wiring, confi rm the rated voltage of the unit as
shown on its nameplate, then carry out the wiring
closely following the wiring diagram.
(2) Provide a power outlet to be used exclusively for each
unit, and a power supply disconnect, circuit breaker
and earth leakage breaker for overcurrent protection
should be provided in the exclusive line.
(3) To prevent possible hazards from insulation failure,
the unit must be grounded.
(4) Each wiring connection must be done in accordance
with the wiring system diagram. Wrong wiring may
cause the unit to disorder or become damaged.
(5) Do not allow wiring to touch the refrigerant tubing,
compressor, or any moving parts of the fan.
(6) Unauthorized changes in the internal wiring can be
very dangerous. The manufacturer will accept no
responsibility for any damage or malfunction that
occurs as a result of such unauthorized changes.

4-2. Recommended Wire Length and Wire Diameter for Power Supply System

Indoor unit
Type
K1
D1, U1, Y1, T1, F1, M1, P1, R1
E1
Control wiring
(A) Inter-unit (between outdoor and
indoor units) control wiring*
AWG #18 (0.75 mm²)
Max. 3,280 ft.
NOTE
* With ring-type wire terminal.
VRF_Indoor_US.indb 63 VRF_Indoor_US.indb 63
Time delay fuse or
circuit capacity
10 – 16 A
10 – 16 A
10 – 16 A
(B) Remote control wiring
AWG #18 (0.75 mm²)
Max. 1,640 ft.
(7) Regulations on wire diameters differ from locality to
locality. For fi eld wiring rules, please refer to your
LOCAL ELECTRICAL CODES before beginning.
You must ensure that installation complies with all
relevant rules and regulations.
(8) To prevent malfunction of the air conditioner caused
by electrical noise, care must be taken when wiring as
follows:
●
The remote control wiring and the inter-unit control
wiring should be wired apart from the inter-unit power
wiring.
(9) If the power supply cord of this appliance is damaged,
it must be replaced by a repair shop appointed by the
manufacture, because special purpose tools are
required.
(C) Control wiring for group control
(D) Inter-outdoor unit control wiring
63
AWG #18 (0.75 mm²)
Max. 650 ft. (Total)
AWG #18 (0.75 mm²)
Max. 980 ft.
2011/09/30 12:23:12 2011/09/30 12:23:12