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5.3 Maintenance Space
When you install the outdoor unit, the maintenance space should be reserved as per the following requirements:
1500
h2
h1
500
Minimal 1500
(Unit: mm)
Air-hole
Rear
Front
765
Minimal 300+h1/2
Minimal 500+h2/2
Side View
●
If there is no wall in the rear and front, installation
space requirements are as follows:
*
Front: 500mm or more
*
Rear: more than 300mm
*
Left and right: 10mm or more (If snow protection
device is used or air outlet duct is installed, needs
50mm or more)
●
If the front wall is more than 1.5 meters high, the
front needs at least (500+h2/2) mm
●
If the rear wall is more than 0.5m high the rear
requires at least (300+h1/2) mm
●
If the surrounding is not more than 2 walls, above
installation space must be met.
●
If the appliance is surrounded by more than 2 walls,
ensure to meet the following installation space
●
When the upper obstacle and the unit is less than
1.5 meters or no space above the air outlet side of
the air duct to prevent short circuit
●
When there is an obstacle above, in principle it is
required that there are no obstacles around the unit
(Front, rear, left, right).
1) When both sides have walls:
If the outdoor unit is installed adjacent to high building, and both sides with walls, the outdoor unit should
have a minimum of 300mm maintenance space at rear side.
Top View
Min. 300
Min. 10*¹
Front Side
No limit for
side wall height
(Rear Side Space)
(mm)
Top View
Min. 300
Min. 400
Min. 200
Front Side
Front Side
No limit for
side wall height
(Rear Side Space)
Top View
No limit for
side wall height
Min. 300
Min. 500 + h2/2
Min. 400
Front Side
Front Side
(Rear Side Space)
(mm)
• Single Installation
• Multiple / Serial Installation
