Haier AB072MRERA - Page 523

515
High Wall Type
Indoor Unit
Signal Wiring Drawing
The combination of multiple indoor units can be controlled by remote controller.
Note:
The wiring for the power line of indoor unit, the wiring between indoor and outdoor units as well as the wiring between
indoor units:
Items
Total
current of
indoor units (A)
Cross
section
(mm
2
)
Length
(m)
Rated
current of
overow
breaker (A)
Rated current of residual circuit
breaker (A)
Ground fault interrupter (mA)
Response time (S)
Cross sectional
area of signal line
Outdoor
-indoor (mm
2
)
Indoor
-indoor (mm
2
)
<10 2 20 20 20 A, 30 mA, 0.1S or below
2 cores×(0.75-2.0)
mm
2
shielded line
≥10 and <15 3.5 25 30 30 A, 30 mA, 0.1S or below
≥15 and <22 5.5 30 40 40 A, 30 mA, 0.1S or below
≥22 and <27 10 40 50 50 A, 30 mA, 0.1S or below
※
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.
High wall wired controller wiring and instruction
Two wired controllers control one high wall unit One wired controller controls one high wall unit
High wall
CN22
A AB BC C
CN22-1
Wired
controller
Wired
controller
High wall
A AB BC C
CN22 CN22-1
Wired
controller