Mitsubishi PVAA36AA7 User Manual

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11.1. Insulation

Toavoiddewdrops,providesu󰀩cientanti-sweatinginsulationto

the refrigerant and drain pipes. When using commercially available

refrigerant pipes, be sure to cover with available insulating material

with heat-resistant temperature of more than 100 °C [212 °F] and

thickness given below, on both liquid and gas pipes. Insulate all indoor

pipes with polyethylene insulation with a minimum density of 0.03 and

athicknessasspeci�edinthetablebelow.

Pipe size Insulation thickness

6.4 mm to 25.4 mm [1/4 to 1 in.] >10 mm [7/16 in.]

28.6 mm to 38.1 mm [1-1/8 to 1-1/2 in.] >15 mm [5/8 in.]

-If the unit is used on the highest story of a building and under high

temperature and high humidity, it is necessary to use thicker insulation

thanspeci�edinthetableabove

-Iftherearecustomer’sspeci�cations,pleasefollowthem.

11.2. Piping size

Model

PVA-AA7

12-18 24-30-36-42

Refrigerant

pipe

Liquid pipe 6.35 mm [1/4] 9.52 mm [3/8]

Gas pipe 12.7 mm [1/2] 15.88 mm [5/8]

Drain Pipe O.D. 32 mm [1-1/4]

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Mitsubishi PVAA36AA7 PVA-A36AA7 Multi-position Air Handler Indoor Unit with 36000 BTU Cooling Capacity, 38000 BTU Heating Capacity and ECM Motor in Black