Haier MRV Serie Instrucciones De Instalación página 17

ELECTRICAL WIRING
Wire gauge size and breaker size for total indoor amp draw. Current NEC guidelines and local codes will trump this chart.
Items
Total Current
of Indoor
Units (A)
< 7
7 and < 11
11 and < 16
16 and < 22
22 and < 27
• The electrical power line and signal lines must be tightened.
• Every indoor unit must have a ground connection.
• The power wire should be size up if it exceeds the permissible length.
• Shielding of the wire of all the indoor and outdoor units should be connected and grounded at one point in the outdoor
unit. The far end of the shielding wire should be wrapped back and taped.
• Signal lines should not exceed 3280ft (1000m).
Wired Controller ABC Chart
Length of Controller Wire ft ( m)
820 (250)
• The shielding layer of the controller wire must be grounded at the equipment end, and taped back at the terminal end.
• The total length of the controller wire shall not be more than 820ft (250m).
31-5000500 Rev. 0
Cross Section Length
AWG (mm²) in (mm)
14 (2.5) 65.6 (20)
12 (4) 65.6 (20)
10 (6) 82 (25)
8 (8) 98.4 (30)
6 (10) 131 (40)
Wiring Dimensions AWG (mm²)
18 (0.75) x 3 core shielding line
Rated Current Rated Current of
of Overflow Residual Circuit
Breaker (A) Breaker (A)
Ground Fault
Interrupter (mA)
Response Time (S)
10 10 A, 30 mA, 0.1S or below
15 15 A, 30 mA, 0.1S or below
20 20 A, 30 mA, 0.1S or below
30 30 A, 30 mA, 0.1S or below
30 30 A, 30 mA, 0.1S or below
Cross
Sectional Area
of Signal Line
16 AWG (1.25mm²)
17