Owners Manual

49-5000255 19
ENGLISH
ELECTRICAL WIRING
Connection Kit Power and Control Wiring
Power and control wire specifications
•
The currant rating of the connection kit is 0.15A (not
including indoor units)
• Power and communication wiring must be properly
secured
• All connection kits must have a proper earth ground.
• Increase power wiring size per NEC code requirements
according to length.
• Communication ground should only be grounded at the
outdoor unit and should not come in contact with ground
at any other point.
• Communication wire total length cannot exceed 3280 ft.
Wiring Diagram
Communication wires should be connected at the outdoor unit terminal block on terminals P and Q. Communication wires
may “daisy Chain” to other connections kits in this manner.
Items
Total
Current
of valve
boxes
(
A)
Cross
Section
（
gauge
）
Length
（
ft
）
Rated
Current of
Breaker
(A)
Rated Current of Power
Leakage Breaker (A)
Leaking Current (mA)
Operating Period (S)
Cross Sectional Area of
Signal Line
Outdoor -
connection
kit (ga)
Connection
kit -
connection
kit (ga )
<10 14 20 20 20A,30mA,0.1S or below
16 twisted-shielded
with ground
≥10 and <15 12 25 30 30A,30mA, 0.1S or below
≥15 and <22 10 30 40 40A,30mA, 0.1S or below
≥22 and <27 8 40 50 50A,30mA, 0.1S or below