3
EN
SAFETY CONSIDERATIONS
Please read the following safety instructions before installation.And ensure that the unit is installed
correctly. Please observe all instruction in order to avoid any injury or damage to equipment or property.
The information in this document is subject to change without notice.The most recent version of this ma-
nual is always available at www.markclimate.com/downloads.
Safety attentions
The following symbols indicate potential levels of caution.
The following symbols indicate compliance which must be observed
Warning
Attention
Installation to be carried out by qualied
person, End Users must not install, move or
re-install this equipment by themselves.
Power cable and wires must be installed
by a qualied electrical engineer. Improper
connection can cause over heating. Fire and
loss of efciency.
Insulation between the metal ducting and
wall penetration must be installed if the
ducting penetrates metal wall cladding,
to avoid risk of electric shock or current
leakage.
Use only approved installation hardware
and accessories. Failure to observe can
result in re risk, electric shock and equip-
ment failure.
The outdoor ducts must be installed facing
downwards to avoid rain water entering.
Improper installation can cause water
leakage.
Where the unit is positioned, at high level in
a hot humid situation. Please ensure sufcient
ventilation is available.
Correctly sized MCB must be tted to the
unit suitable earth leakage protection should
also be installed to avoid risk of electric shock
or re.
The cover of wiring box must be pressed
down and closed to avoid dust and dirt ente-
ring. Excess dust and dirt can cause over-hea-
ting of terminals and result in re or electric
shock.
Installation engineers must follow this man-
ual strictly. Improper action can create a
health hazard and reduce efciency of the
unit.
Unit must be installed strictly following this
manual and mounted to a weight bearing
surface for the weight of the unit.
During maintenance or repair, the unit
and circuit breaker must be switched off.
Other-wise electric shock could occur.
An anti-bird net or similar device should be
installed to outside vents. Ensure there are
no obstructions to or in the ducts.
To avoid condensation, insulation should be
tted to fresh air ducts. Other ducting may
also require insulation depending on dew
point conditions.
Fresh air vent must be far enough away
from any ue gas discharge or areas where
hazardous vapors are present.
Electric engineering must follow national
regulations and the manual, use special cables.
Less capacity cables and improper enginee-
ring can cause electric shock or re.
Ground wire cannot be connected to gas
pipe, water pipe, lighting rod or telephone
line etc. Incorrect grounding can cause
electric shock.
Not allowed or
Stop Must follow or obliged
Situations with a risk
of injury or equipment/
property damage.
Situations with a risk or
death or serious injure.
