MAXA Mi26 Manual Usuario/Instalador página 21

Drill diameter 6.4 mm
depth 32.0 mm holes
4. FAN COIL UNIT'S PIPING AND DRAINAGE
1. Turn the piping and the drain hose towards the exiting hole. There are three possible exits as for the piping (1=down,
2 = back side, 3 = left side).
2. Insert the piping and the drain hose through the hole.
3. Tape the tubing, the drain hose, and the connecting cable.
4. As for the horizontal piping, make sure that they are laid down along the groove at the back of the unit, and secure
them by using the piping holders (2 pieces) before fixing them to the mounting plate.
Down
5. Secure the unit to the mounting plate.
6. Connect the chill water piping and make sure that the seals are fitted neatly.
7. Connect the drain hose and tape over the connecting parts.
8. Make sure that the drain hose has no traps or dips to embed the water flow.
9. Seal carefully any wall opening from weather to avoid any water inlet.
OUTSIDE OF THE WALL
Drain hose
Pipe coupling
Interconnecting wiring
PIPES INSULATION:
a) The pipe insulation should cover both INLET and OUTLET pipes as shown below.
b) Use an insulation made up of polyethylene foam having minimum a thickness of 6 mm.
Water in
Insulation
YES
5. Air purging
After connecting the water piping and the drain hose, and after fixing the fan coil onto the mounting plate, take the
following steps as for the air purging;
1. Lift up the filter cover: there are four latches in the front cover. Remember not to pull it hard to prevent the latches
from being snapped.
Wall
indoor
Drilling Machine
Hole saw
Drill a piping hole with 70.0 mm
diameter concrete drill or hole saw
front indoor side.
Left side
Back side
Tape
Saddle
Drain hose
Water out
Wall
outdoor
Slightly slant
Drill from the outside.
Mounting plate
Wall
Saddle
Putty
Water in
Insulation
NO
Wall
Stationarity
Cap
Wall pipe
Set wall-pipe and caps (not supplied)
Water pipe
Water pipe
Drain hose
Up slope
Water out
NO
Drain hose
Trap
Dip
WRONG
Water out
Water in
20