Mitsubishi Electric CITY MULTI PUHY-P-YKB-A1 Manuel D'installation page 17

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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).

(1) Without a detachable leg

(2) With a detachable leg

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.)

Detachable 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 P450 through P500).