Daikin FTXR28EV1B Installation Manual page 10

4.
Laying piping, hoses, and wiring.
• Connect the humidifying hose to the indoor unit duct.
See 5. Humidifying hose installation work for details.
• Lay the piping, drain hose and humidifying hose
according to the orientation of the piping coming out of
the unit, as shown below.
• Make sure the drain hose is sloped downward.
• Wrap the piping, drain hose and humidifying hose
together using insulation tape.
4-1. Right-side, right-back, or right-bottom piping.
• Right-side piping
Cut out the
piping-through hole.
Install with a
downward slope.
1) Wrap the piping, hose and inter-unit wiring using insulation tape as shown in the piping bundle diagram.
2) Put all the pipes through the through-hole in the wall and hook the indoor unit onto the
3) Connect the pipes.
4-2. Left-side, left-back, or left-bottom piping.
• Left-side piping
Refrigerant pipe
1) Replace the drain plug and drain hose. (How to replace the drain plug
and drain hose.)
2) Pull in the refrigerant piping and lay it so that it matches the liquid and
gas piping marked on the
3) Hook the indoor unit onto the
4) Connect the pipes. If it is difficult to do, remove the front panel first.
5) Wrap the insulation on the piping with insulation tape. If you are not
replacing the drain hose, store it in the location shown below.
4-3. Left-back piping.
Caulk this hole with putty
or caulking material.
■English
• Right-back piping
• Left-back piping
Humidifying hose
Drain hose
Cut out the
piping-through hole.
mounting plate.
A
mounting plate.
A
Drain hose Inter-unit wiring
Humidifying hose
Bind with plastic tape.
Piping bundle diagram
Inter-unit wiring
Gas pipe
Drain hose
Humidifying
Liquid pipe
hose
Insulation tape
• Right-bottom piping
• Left-bottom piping
Refrigerant pipe
When securing the indoor unit with screws
1) Remove the front grille.
2) Secure the indoor unit
with the
fixing screws.
3) Install the front grille.
Mounting plate
A
Wrap insulation tape around the
bent portion of refrigerant pipe.
Overlap at least half the width of
the tape with each turn.
It is recommended
to use the elbow.
Cut out the
piping-through hole.
Humidifying hose
mounting plate.
A
Refrigerant pipe
Cut out the
piping-through hole.
Humidifying hose
indoor unit
F
M4 × 12L
F
8