Johnson ICEBERG Serie Manuel D'instructions page 71

It's necessary to install an electrical heating belt if water can't drain out in cold weather even the big
drain hole has opened.
7.4 Servicing space requirements
7.4.1 In case of stacked installation
1) In case obstacles exist in front of the air outlet side.
7.4.2 In case of multiple-row installation (for roof top use, etc.)
In case of installing multiple units in lateral connection per row.
A(mm) B1(mm) B2(mm) C(mm)
Unit
5~9kW ≥2500 ≥1000
12~16kW ≥3000 ≥1500
NOTE
≥500mm
≥400mm
A
Unit
5~9kW
12~16kW
≥600
≥300
2) In case obstacles exist in front of the air inlet side.
A(mm)
≥1000
≥1500
C
B1
10
≥500mm
≥400mm
A
≥300mm
B2
V.1