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SAFETY & PRECAUTIONS
INSTALLATION INSTRUCTIONS
QUICK CONNECT METHOD
• Out of the box the system is setup for this method.
• Simply connect one end of the line set to the indoor unit.
• Install the included quick connect fittings to the outdoor unit.
• Simply connect the other end of the line set to the outdoor unit.
FLARED CONNECTION METHOD (REQUIRES CERTIFIED HVAC TECHNICIAN)
• The refrigerants lines are connected using the quick connect method described above.
• Refrigerant within the indoor unit and line set is removed and recovered
• A flare type line set can then be installed.
NOTE:
The flare type of connection allows for a minimum line set length of 10 ft. (3 m) to a maximum
system length of 82 ft. (25 m) per zone, for 2 zone and 66 ft. (20 m) per zone for 3 zone systems.
• Connect the one end of the flared line set to the indoor unit.
• Connect the one end of the flared line set to the outdoor unit.
Ensure the screw connectors do not skew as you tighten them. See below chart for proper torque.
IMPORTANT - Because the coupling works with tapping rings, it may leak if you undo and
reconnect the lines — this will void the warranty.
NOTE:
There is NO need to add refrigerant unless you are using a flared connection.
NOTE:
Be sure to note which indoor unit is connected to each zone, you will need this information
during the wiring portion of the installation. (Example: Unit A line set & Unit A communication cable
must connect to same indoor unit)
NOTE:
For 18K indoor unit, use FA09 Quick Connect fitting that comes with the indoor unit. The FA12
Quick Connect fitting cannot be used for the 18K indoor unit.
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