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11.3.4. Connecting the Drain Hose
• Insert the supplied drain hose into the socket of the drain pan.
Fully insert the drain hose until it adheres to a seal of the socket.
Check the drainage
• Pour a glass of water into the drain pan.
• Ensure that water flows out from drain pipe.
11.3.5. Connecting the Refrigerant Piping
1. Please make flare after inserting flare nut (locate at joint
point of tube assembly) onto the copper pipe.
2. Align the center of pipe and sufficiently tighten the flare
nut with fingers.
3. Further tighten the flare nut with torque wrench in
specified torque as stated in the table under
3. Connecting the Refigerant Piping in OUTDOOR UNIT.
Checking for gas leakage
• Check for leakage of gas after air purging.
Caution
Be sure to turn on the upward air flow limit dipswitch. Failure to do so may cause incomplete cooling/
heating and formation of condensation inside the house.
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