Foundation Work - Mitsubishi Electric City Multi PURY-P72TNU-A-BS Manuel D'installation

8. Foundation work

Install the unit in accordance with the instructions to minimize the risk of damage from earthquakes and strong winds.
- Improper installation will cause the unit to topple, resulting in serious injury.
The unit must be securely installed on a structure that can sustain its weight.
- Failure to do so will cause the unit to fall, resulting in serious injury.
・When performing the foundation work, make sure that the floor surface has sufficient strength and carefully route pipes and wires in consideration
of the water drainage that will be required when the unit is operated.
・If considering routing the pipes and wires across the bottom of the unit, make sure that the base is at least 100 mm (3-15/16 in) high so that the
through-holes will not be blocked.
・Provide a strong base of concrete or angle iron. If a stainless steel base is used, insulate the area between the base and the outdoor unit by
putting a rubber cushion or by applying an electrically insulated coating to prevent the base from rusting.
・Install the unit on a level surface.
・With some types of installation, unit vibration and sound will be transmitted to the floors and walls. In such locations, take measures to prevent
vibration (such as using anti-vibration rubber pads).
Ⓐ
M10 anchor bolt (not supplied)
Ⓐ
Ⓑ (Incorrect installation) The corner section is not securely received.
Ⓒ Fixing bracket for post-installed anchor bolts (not supplied) (To be fixed with three screws)
Ⓓ Anti-vibration rubber pad (The pad needs to be large enough to cover the entire width of each unit leg.)
・Make sure that the corner section is securely received. If not, the unit legs could bend.
・The length of the projecting part of the anchor bolt should be 30 mm (1-3/16 in) or less.
・This unit is not designed to be anchored with post-installed anchor bolts unless fixing brackets are installed at the bottom four locations (six
locations for units P168, EP168, EP192, EP216, and EP240).
・In abnormally harsh environments such as cold and/or windy areas, sufficient countermeasures to guard against excessive wind and snow should be
taken to ensure the unit's correct operation. When the unit is expected to operate in cooling mode in conditions under 10°C (50°F), in snowy areas, in
environments subject to strong winds or rain, install snow hoods of the following specifications (not supplied) as shown in the figure below.
Material: Galvanized steel plate 1.2T
Painting: Overall painting with polyester powder
Color: Munsell 5Y8/1 (same as the unit color)
Size: Refer to the Data Book.
Ⓒ
Ⓐ
Ⓒ Ⓒ
Ⓑ
Ⓑ
Ⓓ
・Install the unit so that the wind will not blow directly against the inlet and outlet.
・If necessary, install the unit on a raised base of the following specifications (not supplied) to prevent damage from snow.
Material: Angle iron (Build a structure that snow and wind can pass through.)
Height: Expected maximum snowfall plus 200 mm (7-7/8 in)
Width: Within the unit width (If the raised base is too wide, snow will accumulate on the raised base.)
・When the unit is used in a cold region and the heating operation is continuously performed for a long time when the outside air temperature is
below freezing, install a heater on the raised base or take other appropriate measures to prevent water from freezing on the raised base.
・When installing a panel heater, provide sufficient space for maintenance accordingly. For details, refer to the Data Book or installation manual
for the panel heater.
WT09106X03
Ⓑ
Ⓒ
Ⓒ Ⓒ
Ⓑ
Ⓑ
Ⓓ
GB-15
Ⓓ
Ⓒ
Outlet
Ⓐ
Ⓑ Inlet
Ⓒ Snow hood
Ⓓ Raised base
[mm (in)]