Adjustable swirl diffuser PDZA TECHNICAL DATA

Transcription

1 Adjustable swirl diffuser PDZA TECHNICAL DATA

2 Adjustable swirl diffuser PDZA Adjustable ceiling swirl diffuser PDZA is intended for commercial and industrial buildings with a large room volume and high ceiling interiors, for example market halls, warehouses, factories etc. The of the diffuser can be adapted to both summer and winter conditions. The air diffusion pattern is controlled by moving internal core outlet with blades. The maximum vertical throw length of m is achieved when the core is in the bottom position. PDZA has an air flow range of between and 10 l/s ( m /h) with a maximal vertical throw length of m. It is only recommended for freely hanging installation. PDZA can be adjusted manually or with the help of an electric actuator. QUICK SELECTION Size Air flow l/s m /h Installation height H P, m Pressure drop Pa PDZA PDZA PDZA PDZA PDZA SPECIFICATIONS Available in sizes, connections from 0 to 00 mm For freely hanging installation Adjustable air diffusion pattern Controlled manually or via electric actuator PRODUCT CODE EXAMPLE Adjustable swirl diffuser PDZA Terminal of size 0, adjustable manually, painted in RAL 90 colour. FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

3 Adjustable swirl diffuser PDZA THROW LENGTH, AIR FLOW, PRESSURE DROP, SOUND LEVEL PDZA- THROW LENGTH FOR HEATING FUNCTION (VERTICAL DIFFUSION PATTERN) 0, +K +K +1K 1, PDZA- THROW LENGTH FOR COOLING FUNCTION (HORIZONTAL DIFFUSION PATTERN) -K L [m.] 0, 1, PDZA- PRESSURE DROP AND SOUND POWER LEVEL L W 00 p [Pa] L W [db(a)] V [m /h] Heating Cooling FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

4 Adjustable swirl diffuser PDZA THROW LENGTH, AIR FLOW, PRESSURE DROP, SOUND LEVEL PDZA-1 THROW LENGTH FOR HEATING FUNCTION (VERTICAL DIFFUSION PATTERN) 0, 1 +K +K +1K 1, PDZA-1 THROW LENGTH FOR COOLING FUNCTION (HORIZONTAL DIFFUSION PATTERN) 7 -K 0, 1, PDZA-1 PRESSURE DROP AND SOUND POWER LEVEL L W p [Pa] L W [db(a)] Heating Cooling V [m /h] FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

5 Adjustable swirl diffuser PDZA THROW LENGTH, AIR FLOW, PRESSURE DROP, SOUND LEVEL PDZA- THROW LENGTH FOR HEATING FUNCTION (VERTICAL DIFFUSION PATTERN) 0, 1 +K +K +1K 1, PDZA- THROW LENGTH FOR COOLING FUNCTION (HORIZONTAL DIFFUSION PATTERN) 0, -K 1, PDZA- PRESSURE DROP AND SOUND POWER LEVEL L W p [Pa] L W [db(a)] Heating Cooling V [m /h] FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

6 Adjustable swirl diffuser PDZA THROW LENGTH, AIR FLOW, PRESSURE DROP, SOUND LEVEL PDZA-0 THROW LENGTH FOR HEATING FUNCTION (VERTICAL DIFFUSION PATTERN) 0, 1 +K +K +1K 1, PDZA-0 THROW LENGTH FOR COOLING FUNCTION (HORIZONTAL DIFFUSION PATTERN) 9 -K 0, 1, PDZA-0 PRESSURE DROP AND SOUND POWER LEVEL L W p [Pa] L W [db(a)] Heating Cooling V [m /h] FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

7 Adjustable swirl diffuser PDZA 7 THROW LENGTH, AIR FLOW, PRESSURE DROP, SOUND LEVEL PDZA-0 THROW LENGTH FOR HEATING FUNCTION (VERTICAL DIFFUSION PATTERN) 1 +K 0, +K +1K PDZA-0 THROW LENGTH FOR COOLING FUNCTION (HORIZONTAL DIFFUSION PATTERN) 1 -K 0, PDZA-0 PRESSURE DROP AND SOUND POWER LEVEL L W p [Pa] L W [db(a)] V [m /h] Heating Cooling FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

8 Adjustable swirl diffuser PDZA AIR FLOW VOLUME, DISTANCE BETWEEN DIFFUSERS MAXIMUM AIR FLOW VOLUME* 0 t r [ C] 90 q Vmax [l/s x m ] 0 q Vmax [m /h x m ] C C C C C 0 C H p [m] *Assuming that average metabolic activity level is.0 met and clothing insulation is clo. Premises which meet these conditions are e.g. sport halls, warehouses and light industry halls. MINIMUM DISTANCE BETWEEN DIFFUSERS q V [l/s x m ] q D [m /h] q V [m /h x m ] q D [l/s] H p [m] FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

9 Adjustable swirl diffuser PDZA 9 PROJECT DESIGN EXAMPLE PROJECT DESIGN EXAMPLE Definitions q tot total air flow m /h q D diffuser air flow m /h q V volume air flow per square meter m /h x m A served floor area m H p installation height above the floor m t distance between diffuser m t min minimum distance between diffusers m t r room temperature C t v temperature difference between the supply air and the room air K L 0, throw equivalent to 0. m/s in final velocity m H W height of occupied zone m Assumptions Total air flow q tot = m³/h Served floor area A = 000 m Room temperature t r = C Installation height above the floor H p = L 0. + H W Height of occupied zone H W = 1. m 1. Selection of diffuser, size PDZA-0 Assumed number of diffusers, n 1 pcs. Diffuser air flow, q D 1 m /h Throw, L 0, (read from graph). m Installation height above the floor, H p =.0 m Assumed t v for heating + K Min air flow taken from the graph for the diffuser heating 1 m /h Assumed distance between diffusers, t.0 m Volume air flow, q V (from graph) 1.1 m /h x m Max volume air flow per square meter, for H p =.0 m and t r = C m /h x m Min distance between diffusers, t min where q Vmax = m /h x m is not exceeded.9 m. Selection of diffuser, size PDZA-1 Assumed number of diffusers, n 7 pcs. Diffuser air flow, q D m /h Throw, L 0, (read from graph). m Installation height above the floor, H p =.0 m Assumed t v for heating + K Min air flow taken from the graph for the diffuser heating m /h Assumed distance between diffusers, t.0 m Volume air flow, q V (from graph) 1.7 m /h x m Max volume air flow per square meter, for H p =.0 m and t r = C m /h x m Min distance between diffusers, t min where q Vmax = m /h x m is not exceeded.0 m FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

10 Adjustable swirl diffuser PDZA SOUND DATA, DIMENSIONS AND WEIGHT, DIFFUSION PATTERNS SOUND POWER LEVEL Size Correction of sound level K oct in db for octave bands, mean frequency (Hz) The sound power levels for different octave bands are obtained by adding together the sound power level L W, in db(a), and the corrections K oct for the octave bands in the table with the help of the following formula: DEFINITIONS q air flow l/s, m /h Δp t total pressure drop Pa H p installation height m L 0 throw m L w sound power level db(a) L Woct sound power level per octave db(a) K oct octave band correction db ΔL sound attenuation from the duct to the room db DIFFUSION PATTERNS L Woct = L w + K oct Correction K oct is the mean value for the range of application of PDZA. SOUND ATTENUATION Size Sound attenuation in ΔL db for octave bands, mean frequency (Hz) Horizontal air diffusion - cooling. Internal core outlet with blades is moved up. DIMENSIONS AND WEIGHT E ØD1 H C Combined air diffusion. Internal core outlet with blades in the middle position F G ØD Size ØD1 ØD C E F G H Weight (mm) (mm) (mm) (mm) (mm) (mm) (mm) (kg) Vertical air diffusion - heating. Internal core outlet with blades is moved down. FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

11 Adjustable swirl diffuser PDZA 11 GENERAL, PRODUCT CODE CONSTRUCTION AND FUNCTION PDZA is an adjustable ceiling swirl diffuser that is recommended to be mounted directly to the duct. Its diffusion pattern can be changed from horizontal to vertical in order to adapt summer or winter conditions. Position of internal core outlet with blades can be controlled manually or automatically via electric actuator. PDZA is only recommended for freely hanging installation MATERIAL AND SURFACE FINISH Diffuser is made of black steel sheet. PDZA is powder-coated for a high surface finish. The standard colour is RAL 90, 70% of gloss. Electric actuators used in automatic version comply with RoHS directive. INSTALLATION, ADJUSTMENT AND MAINTENANCE The instructions for installation, adjustment and maintenance are available at TECHNICAL DATA AND DIMENSIONING For complete design details, please see the Fläktgroup product selection program SELECT. The program can be found on the Internet at PRODUCT CODE Adjustable swirl diffuser Size (aa), 1,, 0, 0 Flow pattern regulation (b) 1 = manual = by electric actuator Colour (c) 1 = standard RAL 90 X = any other colour from RAL palette Note: Duct connections with a rubber gasket except sizes and 0. PDZA-aa-b-c SPECIFICATIONS TEXT EXAMPLE The PDZA is a ceiling supply swirl diffuser that consists of external casing and internal movable parts, which position can be set due to actual demand in terms of diffusion pattern shape. Unit can be controlled manually or via electric actuators. FläktGroup FG_DC_1GB_PDZA_TE_01111_R0 Specifications are subject to alteration without notice.

12 FG_DC_1GB_PDZA_TE_01111_R0 Copyright 01 FläktGroup PDZA 1 FläktGroup is the European market leader for smart and energy efficient Indoor Air and Critical Air solutions to support every application area. We offer our customers innovative technologies, high quality and outstanding performance supported by more than a century of accumulated industry experience. The widest product range in the market, and strong market presence in countries worldwide, guarantee that we are always by your side, ready to deliver Excellence in Solutions. PRODUCT FUNCTIONS BY FLÄKTGROUP Air Treatment Air Movement Air Diffusion Air Distribution Air Filtration Air Management & ATD s Air Conditioning & Heating Controls Service» Learn more on or contact one of our offices