Belimo VRD3-RE2-SET Manual de instalação - Página 2

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VAV-Universal Retrofit-Set

Dismantling the existing VAV controller

Electrical connection

Mechanical components

Installation of the new pick-up device

Measured value recording

Measurement site

Maximum hose length 3 m per

measurement line

Installation position

Air duct

Bore hole for mounting pick-up device

Clearance between the pick-up devices

Air direction

Note

Two pick-up devices are required for VAV boxes

from 280 to 400 mm.

For this purpose use the ZPD-RE2-SET.

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Installation

1. In the control cabinet, undo supply/signal

cable to the outgoing terminals

Caution: Observe and note connection

sequence

2. Undo supply/signal cable to the VAV controller

Caution: Observe and note connection

sequence

1. Dismantling the existing pick-up device

2. Dismantling the controller

3. Dismantling the actuator

The installation position and the inflow of the pick-up device are of decisive importance for

measuring accuracy. If the measurement recording is positioned in an area of turbulence or if

no sufficiently wide-ranging flow takes place, then measurement inaccuracies could occur under

certain circumstances.

Placement

D = 100 ... 250

B [mm]

280

220

315

247

355

279

400

314

D = 100 ... 250

M4-VAV-Universal Retrofit Set • en • v1.1 • 04.2011 • Subject to changes

D = 280 ... 400