York EVEREST R22 Installation Manual page 7

3. Connective Pipe and Drainage Installation
Drainage
1. Run the drain hose sloping downward. Do not install the drain hose as illustrated
below.
Do not block water flow by a rise.
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)
Pipe holder
Pipe Cover
(right)
Right piping
Fig.7
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 Instruction
Fig.6
Pipe Cover (left)
Left piping
Left back piping
Right back piping
Do not put the end of
drain hose into water.
Indoor unit outline
Connective pipe
.
Fig.8
Upper Hook
Lower Hook
Cushioning
material
Fig.9