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Symbols and abbreviations
WARNING
Must be connected by a qualified
Electrician.
Warning! Hazardous voltage.
PLATE HEAT
PX
EXCHANGER
4
Electronic boards contains ESD
sensitive components.
Wear antistatic wrist strap connected
to protective earth before to manipulate
them.
In alternative, discharge by
touching the unit, handle boards at cor-
ners only
and use antistatic gloves.
Air from outdoor to the AHU (OA)
Air from the AHU to the building (SA)
Air from the building to the AHU (ETA)
Air from the AHU to outdoor (EHA)
HEATING COIL
KW
(ELECTRICAL)
Operation and maintenance
instructions – CLASS UNIT TAC5
1.0 Safety precautions
Danger/Warning/Caution
•
All staff concerned shall acquaint themselves with
these instructions before beginning any work on the
unit. Any damages to the unit or its components
caused by improper handling or misuse by the pur-
chaser or the installer cannot be considered subject
to guarantee if these instructions have not been
followed correctly.
•
Make sure that the power supply to the unit is dis-
connected before performing any maintenance or
electrical work!
•
All electrical connections must be carried out by an
authorized installer and in accordance with local
rules and controls.
•
Although the mains supply to the unit has been dis-
connected there is still risk for injury due to rotating
parts that have not come to a complete standstill.
•
Beware of sharp edges during mounting and mainte-
nance. Make sure that a proper lifting device is used.
Use protective clothing.
•
Unit should always be operated with closed doors
and panels.
•
If the unit is installed in a cold place make sure that
all joints are covered with insulation and are well
taped.
Operation and maintenance
instructions – CLASS UNIT TAC5
•
Duct connections/duct ends should be covered during
storage and installation, in order to avoid condensation
inside of the unit.
•
Check that there are no foreign objects in unit, ducting
system or functional sections.
•
The unit is packed to prevent damage of the exter-
nal and internal parts of the unit, dust and moisture
penetration. If the unit is not to be installed immedi-
ately, it should be stored in a clean, dry area. If stored
externally, it should be adequately protected from the
weather influence.
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