6
Operation and maintenance instructions
2.0 Symbols and abbreviations
BW
BACKWARD
CURVED FAN
BF BAG FILTER PF PLEATED FILTER
RX
ROTARY HEAT
EXCHANGER
PX
PLATE HEAT
EXCHANGER
WARNING
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.
Must be connected by a qualied
Electrician.
Warning! Hazardous voltage.
OUTDOOR AIR Air from outdoor to the AHU (OA)
SUPPLY AIR Air from the AHU to the building (SA)
EXTRACT AIR Air from the building to the AHU (ETA)
EXHAUST AIR Air from the AHU to outdoor (EHA)
COOLING COIL BA-
IBA / KW
HEATING COIL
(WATER / ELECTRICAL)
SILENCER GD CTm
MOTORIZED
DAMPER
PRESSURE SENSOR P Tx
TEMPERATURE SENSOR
Nr = x (1,2,3…)
SLIP CLAMP
Sliding bar and screws are
not included
SC MS
FLEXIBLE
CONNECTION
CIRCULAR DUCT CONNECTION ER For inlet SR For outlet