Luna

DEVELOPED AND MANUFACTURED IN NORWAY

Luna is a rectangular plenum box for connecting a compatible ceiling diffuser to the duct system in comfort ventilation applications.

It improves sound attenuation and provides airflow adjustment and measurement functions for supply air or extract air configurations.

Key features

Integrated damper, measuring outlet and adjustment wire
Removable damper provides access to the connecting duct
Polyester sound absorber on four internal walls
Available with one or two size changes between inlet and outlet
Optional low-profile version

General information

Application
Luna is intended for use as a plenum box in ceiling-mounted air distribution systems. Depending on the connected diffuser and documented configuration, the product can be used for supply air or extract air.

The plenum box is used where improved sound attenuation, airflow adjustment and measurement are required. Product performance depends on the complete combination of plenum box, diffuser front and installation arrangement.

Functional description
Luna connects the duct system to the selected diffuser. The integrated damper can be adjusted and secured in the required position. The measuring outlet and measuring tube support airflow verification during commissioning.

The damper is removable and provides access to the connecting duct for inspection, cleaning and maintenance.

Design
Luna has a rectangular casing and is available with one or two size changes between the inlet and outlet.

A low-profile version [UI] is available with the outlet fitted inwards. This version has an approximately 20% lower capacity according to the legacy source documentation. The distance between the diffuser and plenum box can be increased by up to 350 mm without extending the adjustment wire or measuring tube.

Material and surfaces
Luna is supplied with a galvanised finish. All four internal walls are lined with sound-absorbing polyester material.

The connection spigot is fitted with an EPDM rubber gasket.

Accessories
A low-profile version [UI] is available. Select only size combinations and options documented for the product.

Commissioning
Commissioning shall be carried out with the connected diffuser front fitted. Pull the measuring tube and adjustment wire through the front, adjust the damper and secure the wire with the clamping nut. Tighten the clamping nut properly so that the damper cannot change position.

Use the airflow factors stated on the valid product label or in the commissioning documentation for the complete product combination.

Maintenance
Clean accessible surfaces with a damp cloth. When the duct system is cleaned, remove the connected diffuser front to obtain access to the duct.

When Luna is installed, remove the distribution plate and damper to provide free access.

Environment
For information about environmental and product declarations, contact TROX Auranor or refer to www.trox.no.

Technical information

Luna	-	0	-	125	-	125	-	0
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1		2		3		4		5

1 Type
Luna

2 Connection
0 with outlet
UI outlet fitted inwards, low profile design

3 Nominal size in (mm)
100
125
160
200
250
315

4 Nominal size out (mm)
100
125
160
200
250
315
400

5 Insulation
0 without external condensation insulation
I with external condensation insulation

Downloads

product information

Product data sheet Luna

LUNA_PD_2026_10_19_DE_en Product data sheet 500 KB pdf

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