Hoval RoofVent CON-9, Design Handbook

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B
C
E
E
F
G
H
I
J
K
L
M
N
Actuator Air-Injector:
adjusts the supply air discharge direction continuously from vertical to
horizontal
Condensate connection
Frost controller
Extract air grille
Extract air filter:
bag filter with differential pressure switch for filter monitoring
ER damper and bypass damper:
opposed dampers for regulation of energy recovery, with actuator
Access panel:
access to extract air filter
Weather louvre door:
access to the fresh air filter and to the DigiUnit terminal box
Fresh air filter:
bag filter with differential pressure switch for filter monitoring
Fresh air damper and recirculation damper:
opposed dampers for switching between fresh air and recirculation
operation, with actuator
Gravity damper:
closes the bypass during shutdown and thus prevents heat loss
Exhaust air fan:
twin impeller centrifugal fan with maintenance-free drive
Exhaust air grille:
access to exhaust air fan
Plate heat exchanger:
with bypass for energy recovery control and condensate drain
Access panel:
access to supply air fan
Supply air fan:
twin impeller centrifugal fan with maintenance-free drive
Access panel:
access to the heating/cooling coil
Heating/cooling coil:
LPHW/LPCW coil consisting of copper tubes with aluminium fins
Condensate separator
Fig. C2: Components of the RoofVent
®
LKW
RoofVent
®
LKW
Construction and operation