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KSTD ECO

Old ranges

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	ErP 2018 compliant - UVNR - Variable EC motor

Application

Extraction or introduction of air.
Indoor installation.
Outdoor installation possible by removing the control box.
Horizontal or vertical mounting.

Tertiary buildings

Buildings for catering

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Flow rates from 200 to 3,800 m³/ h.
3 sizes: 20/30/38.
3 versions:

With INTZ or INTZ + BDEZ (Switch + Pressure switch).

Construction

Galvanized sheet steel box fitted with 4 fixing lugs.
Access to the filter by the cover, G4, M5 or F7 filters.
Circular connection taps with class D seal.
Single-phase 230V, 50Hz power supply.
Double inlet fan with integrated motor.
INTZ: Padlockable proximity switch with mounted / wired position feedback.
BDEZ: mounted pressure switch, not air-connected, to be adjusted on site (in the INTZ + BDEZ version).
IS version: acoustic and thermal insulation in polyethylene foam 10 mm M1 or B-s2, d0.
DB version: reinforced acoustic and thermal insulation in rock wool 50 mm, density 70 kg / m3, covered with a high-speed woven fleece, fire classification M0 (A2 s1 d0 according to standard EN 13 501.1).

Motorization

ECM electronically commutated motor, very high efficiency, whatever its speed of rotation.
Electronic thermal protection - manual reset.

Filtration (option)

Classification according to EN 779 and ISO 16890:
- G4: Coarse 60%,
- M5: ePM10 75%,
- F7: ePM1 55%.

Regulation
Constant flow mode (CA)

3 maximum constant flow setpoints, input of values with reading on display.
- Switching between the different setpoints carried out manually (SELZ 04) or automatically by clock (not supplied) or presence detection.
- Mode used to select a desired flow rate in an installation. This mode compensates for the loss of flow due to clogging of the filter.

Variable flow mode by 0-10V signal (LS)

The flow rate setpoint depends on a 0-10V signal from an external sensor (CO2, temperature, etc.) or from an external CVF / REB ECOWATT® controller.
Mode recommended for single-zone applications with variable flow.

Calculated constant pressure mode (CPf)

The flow rate is automatically modulated in order to maintain a constant calculated pressure value, without an external probe.
Economical mode not taking into account the change in pressure drop linked to the clogging of the filters. It is recommended to use this mode in extraction.

Constant pressure mode measured by probe (CPs)

Automatically modulated flow rate in order to maintain a constant pressure value measured by an external probe.
Mode recommended for single-zone or multi-zone applications at variable flow rates with modulation systems installed in the terminal part of the networks. This precise mode takes into account the evolution of the pressure drop linked to the clogging of the filter.