Haier AB072MRERA - Page 556

548
Signal Wiring Drawing
O
I
I
I
C
I
I
O
O
The combination of multiple indoor units can be controlled by remote controller.
Note: AS*ERA 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:
* 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 1000m.
Cross
Section
(mm2)
Length
(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
(mm2)
Indoor
-indoor
(mm2)
(7 2.5 20 10 10 A,30 mA,0.1S or below
2 cores×0.75-2.0
mm2 shielded line
≥7 and <11 4 20 16 16 A,30 mA,0.1S or below
≥11 and <16 6 25 20 20 A,30 mA,0.1S or below
≥16 and <22 8 30 32 32 A,30 mA,0.1S or below
≥22 and <27 10 40 32 32 A,30 mA,0.1S or below
Items
Total
Current of
Indoor Units(A)
High wall wired controller wiring and instruction
Two wired controllers control one high wall unit One wired controller controls one high wall unit
• Indoor units and outdoor units should be connected to the power source separately. Indoor units must share one
single electrical source, but its capacity and specications should be calculated. Indoor & outdoor units should be
equipped with the power leakage breaker and the overow breaker.