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General safety precautions
Installer reference guide
9
FTXM20~42+ATXM20~35R2/5V1B + FTXM50~7
ATXM50R2V1B
Daikin room air conditioner
4P518023-8G – 2020.06
NOTICE
▪
Do NOT re-use joints which have been used already.
▪
Joints made in installation between parts of refrigerant system shall be accessible
for maintenance purposes.
Installation space requirements
WARNING
If appliances contain R32 refrigerant, the floor area of the room in which the
appliances are installed, operated and stored MUST be larger than the minimum
floor area defined in table below A (m
2
). This applies to:
▪
Indoor units
without
a refrigerant leakage sensor; in case of indoor units
with
refrigerant leakage sensor, consult the installation manual
▪
Outdoor units installed or stored indoors (e.g. winter garden, garage, machinery
room)
▪
Pipework in unventilated spaces
NOTICE
▪
Pipework shall be protected from physical damage.
▪
Installation of pipework shall be kept to a minimum.
To determine the minimum floor area
1
Determine the total refrigerant charge in the system (= factory refrigerant
charge + additional refrigerant amount charged).
Contains fluorinated greenhouse gases
2
1
1
1
2
2
kg
tCO
2
eq
1000
GWP × kg
=
=
+
kg
=
kg
=
GWP: xxx
R32
2
Determine which graph or table to use.
▪
For indoor units: Is the unit ceiling-mounted, wall-mounted or floor-
standing?
▪
For outdoor units installed or stored indoors, and field piping in unventilated
spaces, this depends on the installation height:
If the installation height is…
Then use the graph or table for…
<1.8 m
Floor-standing units
1.8≤x<2.2 m
Wall-mounted units
≥2.2 m
Ceiling-mounted units
3
Use the graph or table to determine the minimum floor area.
Summary of Contents for CTXM15R2V1B
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