ARANA FRESCO30, Installation And Operating Instructions Manual

Page: 51 / 76

Make A Difference 卓 / 尔 / 不 / 凡
EN
51
The opening must be framed to provide adequate support and prevent air from
being drawn from the roof cavity. Framing stock 20mm or more in thickness must be
used. Remember to provide an entrance hole for the power supply wire. See FIG.05.
The 362*362mm (±2mm) or 400*400mm (±2mm) roof opening is part of the return
air duct and must be polished according to the industry standard.
c.
d.
e.
f.
g.
Opening instructions:
Wiring requirements:
a.
b.
If the opening exceeds 365*365mm, it will be necessary to install spacers.
If the opening is less than 358*358mm, it must be enlarged.
Route a copper 2.5mm², with ground, supply line from the fuse or circuit breaker box
to the roof opening.
The power of the rooftop air conditioner must be connected by qualified
electrician.
The voltage specification on the plate must be consistent with the power voltage.
The power supply must be on a separate 20 Amp time delay fuse or hacr circuit
breaker.
Make sure at least 380mm of wire extends into the roof opening. This insures
easy rooftop air conditioner attachment.
Wiring methods must comply with all national and local wiring codes and/or
regulations.
If vent fan was removed, the existing wire may be used provided it is of proper
size and correctly fused.
The entry wires to the opening need more protection to avoid damage.
a.
b.