Daikin Altherma 3 R MT - To Attach the Compressor Cover Piece; Piping Installation; Connecting the Refrigerant Piping; To Connect the Refrigerant Piping to the Outdoor Unit

5 Piping installation
Installation manual
8
ERRA08~12E
Daikin Altherma 3 R MT
4P708481-1 – 2023.02
a
a Transportation stay
1 Open the service cover. See "4.3 To open the outdoor
unit"[47].
2 Remove the screws (5×) from the transportation stay. Remove
the transportation stay and dispose of it. Keep 4 screws to
attach the compressor cover piece (see "4.5 To attach the
compressor cover piece"[48]).
4.5 To attach the compressor cover
piece
Required accessory (delivered with the unit):
Compressor cover piece
1 Put the compressor cover piece on its place. Use the screws
(4x) of the transportation stay to fix it (see "4.4To remove the
transportation stay"[47]).
5 Piping installation
5.1 Connecting the refrigerant piping
DANGER: RISK OF BURNING/SCALDING
NOTICE
Vibration. To prevent vibration of the refrigerant piping
during operation, fixate the piping between the outdoor and
indoor unit.
NOTICE
Vibration. To prevent vibration noise of the rubber
grommet during operation, make sure the rubber grummet
is not deformed by refrigerant piping. Insert refrigerant
piping into the outdoor unit as straight as possible. If
necessary, ensure that piping bends are not placed close
to the rubber grommet.
5.1.1 To connect the refrigerant piping to the
outdoor unit
▪ Piping length. Keep field piping as short as possible.
▪ Piping protection. Protect the field piping against physical
damage.
1 Open the outdoor unit step 1 and 2 ("4.3To open the outdoor
unit"[47]).
2 Detach the outer side of the rubber grommet.
3 Do the following:
▪ Connect the liquid pipe (a) to the liquid stop valve.
▪ Connect the gas pipe (b) to the gas stop valve.
4 Do the following: