Haier ERV0260ANN Bruksanvisning

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17. HRV
17.1 Product introduction
Development background:
Under the background of energy getting more and more shortage and the use's request for the life quality getting
more and more high, we develop the heat reclaimed ventilation system to meet the needs.
Comparison between the HRV and the old sensible heat exchanger:
HRV is the changeover of sensible heat exchange and latent heat exchange, thus it can avoid the large number
of condensate water being caused when the unit operates in the condition of great humidity, furthermore the
condensate water needs the special drainage device, also the water always leaks to cause the unnecessary
economic loss.
So Haier HRV always is used at the coastal area to reduce the indoor humidity and gives the user a much more
comfortable space.
Advantage of using air conditioner with HRV comparing to using air conditioner individually:
a. The modern people seldom go out for the fresh air because of the busy work, and oppositely we always stay in
the airtight ofce with the unhealthy air. More and more we rely on the air conditioner, less and less we can adapt
the surroundings. After installing the HRV system, we can breathe the fresh air directly from outside, and make
us more healthier.
b. HRV needs not run for a long time such as the air conditioner. You can set ON or OFF in time to adjust the indoor
air quality.
Room type
No smoke Less smoke Much smoke
Common
room Building PC room RestaurantOfce Advanced
room Meeting room
Necessary fresh air
volume for each person
(m3/h)
17-42 8.5-21 25-62 40-100 20-50 30-75 50-125
Fresh air exchanging
times 1.06-2.65 0.5-2.66 1.56-3.90 2.5-6.25 1.25-3.13 1.88-4.69 3.13-7.81
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HRV
17.2 Function description
HRV will make the sufcient heat exchange by air inlet and air discharging, and compensate the energy loss in the
course of getting fresh air to the max. limit. Meanwhile the latent heat exchanger will perform good efciency to
control the indoor humidity. The HRV can be used individually, also can be used in combination with the indoor unit
of MRVII to reach the effect of air adjustment and get fresh air.
Flow volume selection Air volume selection Indoor/outdoor motor state Remarks
Flow volume to indoor
=Flow volume to outdoor
Low speed Indoor motor low speed
outdoor motor low speed Default mode
High speed Indoor motor med speed
outdoor motor med speed
Flow volume to indoor
>Flow volume to outdoor
Low speed Indoor motor low speed
outdoor motor med speed
The two modes can be set
due to the user's request
before out of factory.
High speed Indoor motor med speed
outdoor motor high speed
Flow volume to indoor
<Flow volume to outdoor
Low speed Indoor motor med speed
outdoor motor low speed
High speed Indoor motor high speed
outdoor motor med speed
You can select different operation mode according to the different environment, for example, to avoid the funk or
humidity from toilet or kitchen into indoor side, select the mode of "ow volume to indoor>ow volume to outdoor";
to avoid the abnormal smell from the sickroom or the air with virus into the lobby, select the mode of "ow volume to
indoor<ow volume to outdoor".
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17.3 Operation principle
a. Operation type: forced air inlet—indoor positive pressure—air release
supply air—indoor minus pressure—forced discharging air
b. Heat exchange gure
c. Operation sketch map
When the heat exchange element is at the position as the gure, the unit is in heat reclaimed ventilation state; when
the heat exchange rotates, indoor return air will not pass the heat exchange element, and ow to outside directly,
that is bypass state.
Bypass state:
Air inlet fan
Supply air to indoor
Indoor return air
Heat exchange element
Indoor
Discharging fan
Indoor return air ows to outdoor
Outdoor
Outdoor fresh air
Indoor return air
Supply airHeat exchange element
Outdoor air
Discharging air
Outdoor fresh air
Outdoor fresh air
Indoor discharging air

Produktspecifikationer

Varumärke: Haier
Kategori: Luftkonditionering
Modell: ERV0260ANN

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