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INSTALLATION INSTRUCTIONS
Electric Wiring and Applications Cont.
NOTES:
1. Unit power conductors must be 4 core copper cable,
the operating temperature can not be greater than its
2. Increase the wire size accordingly if the distance from
the circuit breaker to the disconnect is greater than 66
feet.
3. Voltage drop from breaker to disconnect indicates
wire sizing issues. Follow the National Electric code
instructions for wire sizing.
4. The unit circuit breaker and disconnect sizing should
be done per local and national codes. Be sure to follow
wire sizing standards when choosing conductor sizes.
Power Line Installation Instructions
1. This equipment must be properly grounded per local
codes. Please take reliable measures when connecting
equipment to ground.
2. Earth resistance should meet the national standard
requirement.
3. The yellow and green double color line of air
conditioning unit is ground wire, do not move, splice
or use it for any other purpose. Unit ground terminal
cannot be connected with a self-tapping screw or risk
electric shock.
4. The user's power supply must provide reliable
grounding. Please don't connect the ground wire to
think are unreliable.
5. The electrical conductors and the communication
line should not be interwoven together. The distance
should be greater than 8 inches apart, or it may cause
disruption in the system communication.
Please follow the following guidelines:
NOTE: Please connect the power wires with the
appropriate circular terminal. PQ is non-polar, ABC has
polarity, and must be correct when connecting the route
is as follows.
31-5000572 Rev. 1
Indoor and
Outdoor and
outdoor unit
outdoor unit
communication
communication
Electric Wiring and Applications Cont.
The power cord
shall be bound
to the left column
with a tie.
Use attachment's
sheath for walking
protection.
The power line Signal line
Use the rubber plug of attachment for walking protection.
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