Lennox Relax series Installation Manual page 9

3. Connective Pipe and Drainage Installation
Drainage
1. Run the drain hose sloping downward. Do not install the drain hose as illustrated
below.
2. When connecting extension drain hose, insulate the connecting part of extension
drain hose with a shield pipe, do not let the drain hose slack.
Connective pipe
1. For the left-hand and right-hand piping, remove the pipe cover from the side panel.
• Explain to clients that the pipe cover must be kept as it may be used when relocate the
air conditioner to any other place.
2. For the rear-right-hand and rear-left-hand piping, install the piping as shown. Bend the
connective pipe to be laid at 43mm height or less from the wall.
3. Fix the end of the connective pipe. (Refer to Tightening Connection in REFRIGERANT
PIPING CONNECTION)
4. Indoor unit installation
1. Pass the piping through the hole in the wall.
2. Put the upper claw at the back of the indoor unit
on the upper hook of the installation plate, move
the indoor unit from side to side to see that it is
securely hooked.
3. Piping can easily be made by lifting the indoor
unit with a cushioning material between the
indoor unit and the wall. Get it out after finish
piping.
4. Push the lower part of the indoor unit up on the
wall. Then move the indoor unit from side to
side, up and down to check if it is hooked
securely.
6 Installation instructions