LG Hydro Kit ARNH30GK1A4 Installation Instructions Manual page 18

INSTALLATION
18
If this product is installed in the a room smaller than minimum floor area, there shall be
continuously operated mechanical ventilation system or natural ventilation openings.
Natural ventilation
[Room A]
≥ 1.5 m
The floor area of "Room A + Room B" is considered as floor area instead of "Room A" for
complying with minimum floor area "A
- Openings are permanent openings which cannot be closed.
- Room A shall be larger than 0.64 m
Bottom opening:
- The area of any openings above 300 mm from the floor shall not be considered in determining
compliance with Anv
min
- At least 50 % of the required opening area Anv
- The bottom of the lowest openings shall not be higher than 100 mm from the floor.
- If the openings starts from the floor, the height must be higher than 20 mm.
Top opening:
- The total size of the top opening shall not be less than 50 % of minimum opening area for
Anv and shall be at least 1.5 m above the floor.
min
- Anv : the minimum opening for natural ventilation
min
m (kg) A
min
1.224 51.2
1.4 73.5
1.6 98.8
1.8 124.1
2.0 149.4
2.2 174.7
2.4 200.0
2.6 225.3
2.8 250.6
3.0 275.9
[Room B]
→ ≥ 50 % of Anv
→ ≥ 100 % of Anv
" if :
min
2
.
2
(cm ) m (kg)
3.2
3.4
3.6
3.8
4.0
4.2
4.4
4.6
4.8
5.0
min
min
shall be below 200 mm from the floor.
min
2
A (cm )
min
301.2
326.5
351.8
377.1
402.4
427.7
453.0
478.3
503.6
528.9