Service Guide

27
Signal Wiring Drawing
High wall wired controller wiring and instruction
The combination of multiple indoor units can be controlled by remote controller.
Note: MVAW*MV2AA models are set to remote- controlled type.
The wiring for the power line of indoor unit, the wiring between indoor and outdoor units as well as the wiring
between indoor units:
One wired controller controls one high wall unitTwo wired controllers control one high wall unit
* The electrical power line and signal lines must be fastened tightly.
* Every indoor unit must have the ground connection.
* The power line should be enlarged if it exceeds the permissible length.
* Shielded lays of all the indoor and outdoor units should be connected together, with the shielded lay at the side
of signal lines of outdoor units grounded at one point.
* It is not permissible if the whole length of signal line exceeds 1094yd(1000m).
Items
Total
Current of
Indoor Units(A)
Cross
Section
(AWG)
Length
(ft/m)
Rated
Current of
Overow
Breaker(A)
Rated Current of Power
Leakage Breaker (A)
Leaking Current(mA)
Operating Period (S)
Cross Sectional
Area of Signal Line
Outdoor
-indoor
(AWG)
Indoor
-indoor
(AWG)
<7 12 66/20 10 10 A,30 mA,0.1S or below
2 cores×(14-18)AWG
shielded line
≥7 and <11 10 82/25 16 16 A,30 mA,0.1S or below
≥11and <16 8 98/30 20 20 A,30 mA,0.1S or below
≥16 and <22 8 131/40 32 32 A,30 mA,0.1S or below
≥22 and <27 6 164/50 32 32 A,30 mA,0.1S or below