Daikin RXYTQ44TYF [9/36] Installation
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Daikin RXYTQ44TYF [9/36] Installation

Daikin RXYTQ44TYF [9/36] Installation
5 Installation
Installation and operation manual
9
RXYTQ8~16T7YF
VRV IV system air conditioner
4P388987-1C – 2016.02
c
b
a
a Large knockout hole
b Drill
c Points for drilling
NOTICE
Precautions when making knockout holes:
▪ Avoid damaging the casing.
▪ After making the knockout holes, we recommend you
remove the burrs and paint the edges and areas
around the edges using repair paint to prevent rusting.
▪ When passing electrical wiring through the knockout
holes, wrap the wiring with protective tape to prevent
damage.
5.3.2 To connect the refrigerant piping to the
outdoor unit
NOTICE
▪ Be sure to use the supplied accessory pipes when
carrying out piping work in the field.
▪ Be sure that the field installed piping does not touch
other pipes, the bottom panel or side panel. Especially
for the bottom and side connection, be sure to protect
the piping with suitable insulation, to prevent it from
coming into contact with the casing.
Connection from the stop valves to the field piping can be done by
using accessory pipes supplied as accessory.
The connections to the branch kits are the responsibility of the
installer (field piping).
5.3.3 To connect the multi connection piping kit
NOTICE
Improper installation may lead to malfunction of the
outdoor unit.
▪ Install the joints horizontally, so that the caution label (a) attached
to the joint comes to the top.
▪ Do not tilt the joint more than 7.5° (see view A).
▪ Do not install the joint vertically (see view B).
a
a
A B
7.5°
7.5°
a Caution label
X Not allowed
O Allowed
▪ Make sure that the total length of the piping connected to the joint
is absolute straight for more than 500mm. Only if a straight field
piping of more than 120mm is connected, more than 500mm of
straight section can be ensured.
>120 mm
>500 mm
5.3.4 Multiple outdoor units: Knockout holes
Connection Description
Front connection Remove the front plate knockout holes to
connect.
Bottom connection Remove the knockout holes on the bottom
frame and route the piping under the bottom.
5.3.5 To protect against contamination
Block all gaps in the holes for passing out piping and wiring using
sealing material (field supply) (otherwise the capacity of the unit will
drop and small animals may enter the machine).
5.3.6 Using the stop valve and service port
To handle the stop valve
▪ Make sure to keep all stop valves open during operation.
▪ The stop valve is factory closed.
To open the stop valve
1 Remove the stop valve cover.
2 Insert a hexagon wrench into the stop valve and turn the stop
valve counterclockwise.
3 When the stop valve cannot be turned any further, stop turning.
Result: The valve is now open.
To fully open the Ø19.1 mm~Ø25.4 mm stop valve, turn the
hexagonal wrench until a torque between 27 and 33 N•m is
achieved.
Inadequate torque may cause leakage of refrigerant and breakage of
the stop valve cap.

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