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Northvent CIVIC EC DB

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The CIVIC EC DB units are designed for single-room ventilation of schools, offices and other public and commercial premises. Air flow up to 510 m³/h.

Description

FEATURES
The CIVIC EC DB units are designed for single-room ventilation of schools, offices and other public and commercial premises. Offer the ideal simple and efficient ventilation solutions for existing and renovated buildings and require no layout of air ducts.
Efficient supply and extract ventilation for separate premises.EC motors with low energy consumption.Low-noise operation.Simple mounting.
DESIGNMOTORS
Made of high-quality polymer coated steel, internally lined with heat- and sound insulation of mineral wool or other materials.Available modifications with an integrated preheater and reheater for cold climate applications.High efficient electronically commutated motors with external motor and impeller with forward curved blades. Such motors are the most state-of-the-art energy saving solution.EC motors are featured with high performance and total speed controllable range. High efficiency reaching 90 % is the premium advantage of the electronically commutated motors.
AIR FILTRATION
Supply air is cleaned with G4 and F8 (PM2.5 > 75 %) supply panel air filters. For premises requiring high air quality it is recommended to install carbon F8 filter or H11 (PM2.5 > 95 %) filter. Available as specially ordered accessories.Panel G4 filter is used for extract air filtration.
BYPASSHEATER
The units are equipped with a bypass. The bypass damper opens for free cooling ventilation mode in summer.PREHEATING
CIVIC EC DBE and CIVIC EC DBE2 units are equipped with an electric preheater which protects the heat exchanger from freezing.
REHEATING
CIVIC EC DBE2 units feature an electric reheater to raise the supply air temperature.
AIR DAMPERS
The automatic supply and extract air dampers are used to prevent uncontrollable air draughts during the unit standstill.
CONTROLHEAT EXCHANGER
The ventilation units may be operated with an integrated or an external control panel.

TWO AVAILABLE MODIFICATIONS OF THE CONTROL PANEL:

 

S17

S18

Built-in control panel
External control panel
Preheater
Reheater
Humidity sensor
CO₂ sensor
Functions
MODbus
Speed control from 0 to 100 %
Bypass controlAutoAuto
Filter maintenance indicator
Alarm indicator
Timer scheduled operation
Week scheduled operation
Supply air temperature setup

• – available; ○ – option.

The CIVIC EC DB unit has a counter-flow heat exchanger made of aluminium.
In cold season the heat energy of the extract air flow is absorbed by intake air flow, thus decreasing the heat losses caused by ventilation. Condensate generated during heat recovery is collected in a drain pan and removed through the drain pipes to the sewage system.In warm season the heat of the outdoor air is absorbed by extract air flow. This way the supply air temperature decreases and heat recovery reduces operation loads for the air conditioner.
FUNCTIONING

Cold outside air flows through the filters and heat exchanger and is moved to the room with a supply centrifugal fan.Warm polluted air from the premise flows through the filter and the heat exchanger and is exhausted outside with an extract centrifugal fan.

FREEZE PROTECTION

The freeze protection function may be realized by two ways.

For the units without preheater: the supply fan shuts down on a signal from the exhaust air temperature sensor to let warm extract air flow warm up the heat exchanger. Then the supply fan turns on and the unit operates normally.For the units with a preheater: the supply air is warmed up before contacting the heat exchanger, thus preventing its freezing. In this case balanced air exchange is not interrupted.

Accessories

CIVIC EC DB300 S17/S18
CIVIC EC DBE300 S17/S18
CIVIC EC DBE2 300 S17/S18
CIVIC EC DB500 S17/S18
CIVIC EC DBE500 S17/S18
CIVIC EC DBE2 500 S17/S18
G4 filterFP 270x216x48 G4FP 325x388x48 G4
F8 filterFP 270x218x48 F8FP 325x314x48 F8
F8 carbon filterFP 518x270x48 F8 CFP 714x320x48 F8 C
H11 HEPA filterFP 518x270x48 H11FP 714x320x48 H11
Outer grillVDA 200 CFn АlVDA 250 CFn Аl
Internal humidity sensorFS2FS2
 VOC sensorDPWQ30600DPWQ30600
CO₂ sensorDPWQ40200DPWQ40200
Humidity sensorDPWС11200DPWС11200
Humidity sensorHR-SHR-S
Syphon kit SFK 20×32SFK 20×32
Drain pumpCP-2CP-2

Characteristics

ParameterCIVIC EC DB300Measurement unit
Voltage230V
Phase1˜
Frequency50/60Hz
Max. unit current without electric heater1.3A
Max. unit current with electric heaterA
Preheater power consumptionW
RPM2150min-1
Max. unit power without an electric heater175W
Air capacity300m³/h
Reheater power consumptionW
Air capacity83l/s
Sound pressure level at 3 m in accordance with ISO 3741:200422dBА
EC motoryes
Insulating material40 mm mineral woolmm
Transported air temperature-25…+40°С
Extract filterG4
Supply filterG4 and F8 (Option: F8 Carbon; H11)
Heat recovery efficiency79…91%
Heat exchanger typecounter-flow
Heat exchanger materialaluminum
Connected air duct diameter200mm
Casing materialpainted steel
TypeSupply and exhaust
SEC classA
Weight78kg
Mountingceiling mounting

Dimensions

ModelDimensions [mm]
DHH1H2H3LL1WW1W2
CIVIC EC DB30019933334714518880687315471961155

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