Mitsubishi PVAA12AA7 Installation Manual

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9. Mount positions

9.1. Vertical installations

The air handler must be supported on the bottom only and set on

asolidoorwithareturnplenumbelowor�eldsuppliedsupporting

frameorplenum.Securelyattachtheairhandlertotheooror

supporting frame or plenum.

A single side return can be used for the PVA-A12 and PVA-A18

only. Dual side returns must be used on all other models to ensure

properairow.Ifthesidereturnisusedit is the responsibility of

the installer to ensure the ducts are properly sized and sealed

to the cabinet. When cutting in to the side of the cabinet, use the

provided dimples to avoid damaging any internal structure or wiring.

PLENUM

DUAL SIDE RETURN

SEAL BOTTOM OF AIR HANDLER

ADD TWO FILTERS

FILTER

PLENUM

FILTER

SIDE RETURN

SINGLE SIDE RETURN (PVA-A12, A18)

SEAL BOTTOM OF AIR HANDLER

ADD FILTER

FILTER

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Mitsubishi PVAA12AA7 Multi-position Air Handler Indoor Unit with 12000 BTU Cooling Capacity