Krantz Components

Displacement · Jetseen from below

Q-DN / Q-DV

Ceiling displacement outlet

blue = cool supply air orange = warm air

Move through the air · click for a gentle displacement flowTap for a gentle displacement flow

A perforated ceiling element that lets cool air sink gently. The adjustable Q-DV opens a core tube for heating, so warm air still reaches the floor.

Q-DN / Q-DV Ceiling displacement outlet by Krantz
Q-DN / Q-DVDisplacement · displacement
Discharge height
2.5 – 3.5 mp. 4
Max. ΔT heating
+4 K (Q-DV only)p. 2
Source · DS 4079 EKrantz, Ceiling displacement outlet – non-adjustable Q-DN / adjustable Q-DV, DS 4079 E 06.2003

Stylised view, not a measurement

Technical data ↓

How the Q-DN / Q-DV works.

A perforated ceiling element that lets cool air sink gently. The adjustable Q-DV opens a core tube for heating, so warm air still reaches the floor.

Applications: department stores and showrooms; not above fixed workstations (p. 2).

Krantz, Ceiling displacement outlet – non-adjustable Q-DN / adjustable Q-DV, DS 4079 E 06.2003.

Technical data Q-DN / Q-DV

Discharge height
2.5 – 3.5 mp. 4
Max. ΔT cooling
−6 K toevoer-ruimtep. 2
Volume flow
cooling 170 – 500 m³/hp. 2

Krantz, Ceiling displacement outlet – non-adjustable Q-DN / adjustable Q-DV, DS 4079 E 06.2003.

Page numbers are PDF pages of the data sheet.

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Air

Specifications of the Q-DN / Q-DV with the source of each value · Air
PropertyValue · Source
Volume flow cooling 170 – 500 m³/h; heating (Q-DV) 340 – 500 m³/h p. 2
Max. ΔT cooling −6 K toevoer-ruimte (op 1.1 m); −8 K toevoer-afvoer p. 2
Max. ΔT heating +4 K (Q-DV only) p. 2
Discharge height 2.5 – 3.5 m p. 4
Discharge velocity koelen 0.15 – 0.45 m/s; verwarmen 0.30 – 0.45 m/s p. 2

Design

Specifications of the Q-DN / Q-DV with the source of each value · Design
PropertyValue · Source
Sizes uitblaasvlak 560 × 560 mm voor raster 625 × 625 mm; tuit DN 250 p. 2
Materials and finish galvanised steel, visible part painted in RAL p. 4
Connections ronde tuit aan de zijkant of bovenop p. 2
Options and versions Q-DV: damper disc manual or with Siemens actuator; thermostatic element T2 16 – 28 °C in the supplement p. 5

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