Vents-us ERV 100, Руководство пользователя

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Air flow diagram for Frigate HRV/ERV 80/120/100/150 R (EC) in recirculation mode
(the swivel service panel is conventionally not shown)
SPEED CONTROL
FUSE 1
FUSE 2
MED LOW
STANDBY
1 2 3 4 5 6 7 8 9 101112
FUSE
FUSE
AIR SUPPLIED TO ROOM
STALE AIR FROM ROOM
FRESH AIR FROM OUTSIDE
UTILIZED EXHAUST AIR
Air flow diagram for Frigate HRV/ERV 80/120/100/150 R (EC) L in recirculation mode
(the swivel service panel is conventionally not shown)
SPEED CONTROL
FUSE 1
FUSE 2
MED LOW
STANDBY
1 2 3 4 5 6 7 8 9 101112
FUSE
FUSE
AIR SUPPLIED TO ROOM
STALE AIR FROM ROOM
FRESH AIR FROM OUTSIDE
UTILIZED EXHAUST AIR
The removable service panel enables repair and maintenance works.
Access to the control unit for mounting and connection is made through the removable front panel of the control unit. The power and
earth cables are connected to the control unit via the cable glands.
Modifications of heat recovery cores:
•
HRV
heat recovery core transfers sensible heat energy (temperature) from one air stream to another. The heat energy extracted from
the indoor air is transferred to the incoming fresh air, thus increasing or decreasing its temperature. The air streams remain fully isolated
from each other. This heat recovery core is made of polystyrene. Heat recovery minimizes ventilation heat losses and saves heating costs
in cold seasons and air conditioning costs in summer.
•
ERV
heat recovery core transfers sensible heat energy (temperature) and latent heat energy (humidity) from one air stream to another.
The latent heat energy (humidity) is transferred in the same way as the temperature. As the opposite air streams have different temperature
and humidity, they also have different surface vapor pressure. The vapor pressure difference enables transfer of the vapor pressure.
The main advantage of the energy recovery cores is the ability to recover humidity (latent energy). This energy recovery is possible
during the air conditioning and air heating seasons. During the air conditioning season, the incoming air from outside is dehumidified
and cooled down. That significantly reduces operating load for the air conditioners. During the heating season the heat recovery core
performs reverse and the incoming air from outside is humidified and heated. The heat recovery technology cuts high expenses for air
humidification and air heating.
The energy recovery core is based on polymer membrane. The membrane enables transfer of the water molecules hence they have high
dielectric constant and small sizes. The water vapor extracted from the humid air is condensed on the cold membrane surface. Water
condensation takes place at temperatures above the dew point. The liquid water molecules are moved through the membrane. The
humidity concentration differential between the warm and cold air streams enables this movement process. The humidity is vapored
away from the membrane surface and is absorbed by the dry air stream. Microbes cannot get through the membrane as their size is
much bigger compared to water molecules. Bacteria, fungi, mould and microbes cannot reproduce on the membrane material. Microbes
die on the membrane surface within several hours. The ultra thin membrane serves to decrease air speed in the heat recovery core and
increases high heat and humidity recovery efficiency.
The temperature difference between the supply and extract air streams leads to condensate formation. It is collected in the drain pan
and is removed through the drain pipe.