3
Multi V 5 Cooling Only
Installation of Outdoor Units
2. Select the Best Location
Select space for installing outdoor unit, which will meet the following conditions:
• No direct thermal radiation from other heat sources
• No possibility of annoying neighbors due to noise of unit
• No exposition to strong wind
• With strength which bears weight of unit
• Note that drain flows out of unit when heating
• Because of the possibility of fire, do not install unit to the space where generation, inflow, stagnation, and
leakage of combustible gas is expected.
• Avoid unit installation in a place where acidic solution and spray (sulfur) are often used.
• Do not use unit under any special environment where oil, steam and sulfuric gas exist.
• It is recommended to fence round the outdoor unit in order to prevent any person or animal from accessing the
outdoor unit.
• If installation site is area of heavy snowfall, then the following directions should be observed.
– Make the foundation as high as possible.
– Fit a snow protection hood.
• Select installation location considering following conditions to avoid bad condition when additionally performing
defrost operation.
1. Install the outdoor unit at a place well ventilated and having a lot of sunshine in case of installing the product
at a place with a high humidity in winter (near beach, coast, lake, etc).
(Ex) Rooftop where sunshine always shines.
2. Performance of heating will be reduced and pre-heat time of the indoor unit may be lengthened in case of
installing the outdoor unit in winter at following location:
1) Shade position with a narrow space
2) Location with much moisture in neighboring floor.
3) Location with much humidity around.
4) Location where liquid gathers since the floor is not even.