Daikin Multi+ R32 Split Series, Installer'S Reference Manual

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6 | Unit installation
Installer reference guide
24
4MWXM-A9
R32 Split series
4P708645-1 – 2022.09
WARNING
The appliance shall be stored so as to prevent mechanical damage and in a well-
ventilated room without continuously operating ignition sources (e.g. open flames,
an operating gas appliance, or an operating electric heater). The room size shall be as
specified in the General safety precaution.
6.1.1 Installation site requirements of the outdoor unit
INFORMATION
Also read the following requirements:
▪
"2 General safety precautions" [
4
7].
▪
"7.1.3 Refrigerant piping length and height difference" [
4
33].
Mind the following spacing guidelines:
>100
>50
>350
(mm)
b
a
>100
>50
b
a
>100 b
a
b
a
>350
>350
>50
b
a
≤1200
>100 >350
a
b
a Air outlet
b Air inlet
Allow 300 mm of work space below the ceiling surface and 250 mm for piping and
electrical servicing.
>250
>300
(mm)
NOTICE
▪
Do NOT stack the units on each other.
▪
Do NOT hang the unit on a ceiling.
Strong winds (≥18 km/h) blowing against the outdoor unit’s air outlet causes short
circuit (suction of discharge air). This may result in:
▪ deterioration of the operational capacity;
▪ frequent frost acceleration in heating operation;