Compact Grille Model KG

Transcription

1 Compact grille KG Ferdinand Schad KG Steigstraße D Kolbingen Telephone +49 (0) Fax +49 (0) info@schako.de

2 Contents Description...3 Construction...3 Model...3 Accessories...3 Fastening...3 Models and dimensions...4 Dimensions...4 Dimensions of accessories...5 Installation...7 Technical data...8 Pressure loss and noise level...8 Maximum end velocity of jet...10 Jet path...11 Critical throw...11 Maximum penetration...12 Temperature and induction ratios...13 Minimum distances...14 Correction factor (for scattered air jet)...14 Blade position...14 Legend Order code KG Order code AK Specification texts /01-2

3 Description The compact grille type KG-... can be used for both supply air and return air systems. Owing to its compact construction - the front frame and blades for air distribution and the hit-and-miss damper for air volume control consist of a single component - the compact grille requires only a small mounting depth. This small mounting depth reduces vortex formation at the hit-andmiss damper, thus ensuring a uniform inflow of air over the entire diffuser surface of the grille (see velocity profile). Moreover, the compact construction gives the grille very high stability and torsional rigidity. Its special frame shape allows the compact grille to make close contact with the ductwork. Modern production methods allow the grille to be manufactured free of welding spots, thus minimising the susceptibility to corrosion of the compact grille. The stainless steel design of the compact grille allows it to be used in areas containing aggressive air substances. The modern design of the cover frame allows concealed mounting of the grille. The stainless steel and aluminium models with H= and sheet steel model with H=165 mm are delivered without raised ends of the hit-and-miss dampers. For the "Hit-and-miss damper without raised ends" design, the diagram values are only achieved with a flow pattern from behind. If the flow pattern is lateral, the values change. At an extra charge, a plenum box can be mounted. Unless stated otherwise, the KG grille will be supplied as galvanised sheet steel model! The installation of the KG-R-... into spiral ductwork must take place free of stress. Avoid using unround or deformed spiral ducts, in order to protect the grilles from distortion. Velocity profile Exit velocities at a supply air volume V ZU of 400 m³/h (corresponding to l/s). Grille mounted in flow channel, lateral inflow. Air duct comparison KG-Q /115 The picture in the flow channel proves: - uniform inflow of the air over the entire grille surface - no air vortex formation Construction Frame and blades - Aluminium natural colour anodised E6/EV1 (at an extra charge) - Stainless steel (V2A) (at an extra charge). - Galvanised sheet steel (standard) - Sheet steel, front side painted to RAL colour 9010 (white) Model KG-Q horizontal blades, for installation in rectangular ductwork KG-Q vertical blades, for installation in rectangular ductwork KG-R horizontal blades, for installation in sheet metal / spiral ductwork KG-R vertical blades, for installation in sheet metal / spiral ductwork Accessories Plenum box (-AK) - only for type KG-Q / KG-Q Galvanised sheet steel Rubber lip seal (-GD1) - Special rubber, on plenum box connection spigot Cover frame (-BR) - only for type KG-Q / KG-Q Aluminium painted to RAL 9010 (white) - Aluminium natural colour anodised E6/EV1 Mounting frame (-ER1) - only for type KG-Q / KG-Q Electrolytically galvanised sheet steel Mounting frame with wall anchor (-ER2) - for types KG-Q-08.../ KG-Q only - Electrolytically galvanised sheet steel Internal insulation (-Ii) - thermal insulation at the inside of the plenum box External insulation (-Ia) - thermal insulation at the outside of the plenum box Fastening Screw mounting (-SM) - Standard, screws must be provided on site Concealed mounting (only possible with type KG-Q / KG- Q ) - in connection with cover frame Attention! We would like to point out that for cleaning stainless steel models, only suitable cleaning materials may be used! 01/01-3

4 Models and dimensions Dimensions KG-Q only for L = 615 to 1215 KG-R only for L = 615 to ) 1.) KG-Q only for L = 615 to 1215 KG-R only for L = 615 to ) 1.) Available sizes KG-Q / KG-Q L L1 L2 H H1 H All combined lengths and heights available! Special dimensions are not possible! Installation dimensions of the aluminium and stainless steel models: KG-Q Alu / V2A : (L+10) x H KG-Q Alu / V2A : L x (H+10) 1.) The stainless steel and aluminium models with H= and sheet steel model with H=165 mm are delivered without raised ends of the hit-and-miss dampers. Available sizes KG-R / KG-R L L1 L2 H H2 H All combined lengths and heights available! Special dimensions are not possible! Installation dimensions of the aluminium and stainless steel models: KG-R Alu / V2A : (L+10) x H KG-R Alu / V2A : L x (H+10) Detail X 01/01-4

5 Dimensions of accessories Plenum box (-AK) for KG-Q / KG-Q external X With fixing lugs with plenum box below the ceiling / in front of the wall with plenum box above the ceiling / behind the wall Spigot arrangement -S4 -S0 - Lateral spigot (-S1, standard) - Spigot from above (-S0) - Spigot front side (-S4) -S1 Dimensions and prices for spigot from above (-S0) and spigot front side (-S4) upon request. 01/01-5

6 Insulation for AK-... internal (-Ii) Available sizes AK-...-S1 L H KL KBS KHS Ød L H KL KBS KHS Ød external (-Ia) L H KL KBS KHS Ød L H KL KBS KHS Ød Rubber lip seal (-GD1) Detail X L H KL KBS KHS Ød Plenum dimensions for aluminium and stainless steel models: KG-Q Alu / V2A : (KL+10) x KBS KG-Q Alu / V2A : KL x (KBS+10) 01/01-6

7 Cover frame (-BR) Installation Installation situation KG-R-... Section A-A Available sizes L L4 H H All combined lengths and heights available! Other sizes available on request. The cover frame is only available for types KG-Q and KG- Q ! A cover frame has been developed to allow concealed mounting, which, after slipping two plastic parts onto the longitudinal side of the grille, can be easily attached. This can also easily be done on grilles which have already been installed. Duct diameter KG-R-... H ød min. ideal max Installation opening: - made of sheet steel: L x H - made of aluminium / stainless steel: KG-R (L+10) x H Alu / V2A : KG-R Alu / V2A : L x (H+10) The curved flange and the four height dimensions, apart from providing high stability and torsional rigidity, allow optimum adaptation of the compact grille type KG-R-... to sheet metal and spiral ductwork. The selection of the grille height depends on the duct measures shown in the table. The grille frames only make optimum contact when the ideal duct diameter is used. The installation of the KG-R-... into spiral ductwork must take place free of stress. Avoid using unround or deformed spiral ducts, in order to protect the grilles from distortion. Mounting frame (-ER1) for KG-Q / KG-Q Length L < 815 mm - 4 wall anchors Length L > 815 mm - 6 wall anchors Mounting frames are only delivered with wall anchors (-ER2) on special request (at an extra charge). 01/01-7

8 Technical data Pressure loss and noise level Supply air face velocity Supply air ρ=1.2 kg/m³ Zeta values (ζ) Position of hit-and-miss damper 100% 75% 50% 25% 1,4 1,76 2,5 4,0 Applies to the standard KG grille of heights 65, 115, 215 and 315 mm in all widths with lateral flow pattern! Position of hit-and-miss damper 100% 75% 50% 25% 2,0 3,4 5,2 11,9 Only applies to KG grilles of height 165 mm or stainless steel or aluminium model (all sizes) with direct flow pattern from behind! Hit-and-miss damper position OPEN in % 01/01-8

9 Return air face velocity Return air ρ=1.2 kg/m³ Correction factor (supply air and return air) A Stirn (m²) 0,01 0,02 0,04 0,08 0,16 0,32 0,40 KF (-) L WA = L WA1 + KF Hit-and-miss damper position OPEN in % FQ in m² at the hit-and-miss damper Height (H) Length (L) ,0067 0,0090 0,0120 0,0135 0,0180 0,0225 0, ,0135 0,0180 0,0240 0,0270 0,0360 0,0450 0, ,0201 0,0268 0,0358 0,0403 0,0537 0,0671 0, ,0270 0,0360 0,0480 0,0540 0,0720 0,0900 0, ,0405 0,0540 0,0720 0,0810 0,1080 0,1349 0,1619 FQ (m²) Face area (m²) Height (H) Length (L) ,018 0,024 0,029 0,035 0,047 0,058 0, ,033 0,044 0,055 0,066 0,087 0,109 0, ,049 0,064 0,080 0,096 0,128 0,159 0, ,064 0,085 0,106 0,126 0,168 0,210 0, ,095 0,126 0,156 0,187 0,248 0,310 0,372 A stirn (m²) 01/01-9

10 Maximum end velocity of jet Supply air without coanda effect Supply air with coanda effect 01/01-10

11 Jet path Supply air without coanda effect Heating Cooling Critical throw Supply air with coanda effect Jet detachment 01/01-11

12 Maximum penetration Max. vertical penetration (in heating mode): 01/01-12

13 Temperature and induction ratios Supply air without coanda effect Supply air with coanda effect 01/01-13

14 Minimum distances Supply air without coanda effect For the diagrams to be correct, the distance z between two grilles must be > x (m) x 0.2. Blade position KG-Q / KG-R Blade position straight Blade position opposite to one another Blade position 44 diverging Blade position 84 diverging Supply air with coanda effect For the diagrams to be correct, the distance z between two grilles must be > x (m) x 0.2. Blade position 110 diverging Blade position 140 diverging first and last slot covered The angle of propagation of the air jet and thus the length of throw can be affected by adjusting the vertical air deflection blades. Correction factor (for scattered air jet) with or without coanda effect Blade position straight diverging Blade position End velocity of jet v max (m/s) 0.65 v max (m/s) 0.5 Critical throw x kr TV = T x / T Induction ratio i 1.3 i 2 Jet drop - Jet rise y 1.3 y 2 Grille distance z(m)> x 0.20 x /01-14

15 Legend V ZU (m³/h) [l/s] = Supply air volume V AB (m³/h) [l/s] = Return air volume V X (m³/h) [l/s] = total air jet volume at point x v max (m/s) = Maximum end velocity of jet v K (m/s) = Duct velocity v stirn (m/s) = Intake velocity, blower stream velocity, outflow velocity, relative to A stirn A stirn (m²) = Face area x (m) = horizontal throw y (m) = vertical throw y H (m) = Maximum penetration in heating mode x kr (m) = Critical throw ρ (kg/m³) = Density p t (Pa) = Pressure loss L WA [db(a)] = A-weighted sound power level [L WA = L WA1 + KF] L WA1 [db(a)] = A-weighted sound power level, relative to Astirn, = 0.08 m² KF (-) = Correction factor T O (K) = Temperature difference between supply air temperature and room temperature ( T O = t ZU - t R ) T OH (K) = Temperature difference between supply air and room temperature in heating mode ( T OH = t ZUH - t RH ) T X (K) = Temperature difference at point x t zu ( C) = Supply air temperature t R ( C) = Room temperature i (-) = Induction ratio (i = V X / V ZU ) TV (-) = Temperature ratio (TV = T X / T O ) z (m) = Minimum clearance between two grilles x (m) x 0.2 RH (mm) = Room height RB (mm) = Room width H (mm) = Height L (mm) = Length FQ (m 2 ) = Free cross-section in m² approx. (-) = approximately 01/01-15

16 Order code KG Type Model Blades Length Height Example KG -Q Air throw pattern Material Paint cover frame Mounting frame -L000 -SV BR -ER0 Sample KG-Q L000-SV-0000-BR-ER0 Ventilation grille type KG for duct and box installation pivoting horizontal air deflection blades on the front side, additionally with hit-and-miss damper grille length 615 mm grille height 115 mm blade position straight galvanised sheet steel without paint with cover frame without mounting frame Order details 01 Type KG = Compact grille type KG 02 Model Q = For duct and box installation R = For duct installation 03 Blades 08 = With horizontal blades, additionally with hit-and-miss damper 15 = With vertical blades, additionally with hit-and-miss damper 04 Length 0315 = Grille length 315 mm 0415 = Grille length 415 mm 0515 = Grille length 515 mm 0615 = Grille length 615 mm 0815 = Grille length 815 mm 1015 = Grille length 1015 mm 1215 = Grille length 1215 mm 05 Height 065 = 65 mm 115 = 115 mm 165 = 165 mm 215 = 215 mm 315 = 315 mm 01/ Air throw pattern L000 = Blade position straight (standard) L044 = Blade position 44 diverging L084 = Blade position 84 diverging L110 = Blade position 110 diverging (KG only) L140 = Blade position 140 diverging (KG only) LGEG = Blade position opposite to one another (KG only) 07 Material SV SB V2 AL 08 Paint = Galvanised sheet steel (standard) = Sheet steel (only available with paint) = Stainless steel V2A = Natural colour anodised aluminium 0000 = Without paint (standard) 9010 = RAL colour 9010 (white) xxxx = RAL colour can be freely selected (always with 4 digits) ELOX = Natural colour anodised aluminium 09 Cover frame BN = Without cover frame BR = With cover frame made of natural colour anodised aluminium as standard with SV and V2, otherwise aluminium painted to the RAL colour of the grille (not available for KG-R-...) 10 Mounting frame ER0 = Without mounting frame (standard) ER1 = with mounting frame (not available in connection plenum box AK, not for KG-R-...) ER2 With mounting frame with wall anchors (not available in connection with AK, not for KG-R-...)

17 Order code AK Accessories Air diffuser Length Height Single / band design Fastening Material Example AK N -SM -SV Damper Rubber lip seal Insulation Height of plenum box Width of box Spigot diameter Spigot position -DK0 -GD1 -IO -KHS -KBS -SDS -S1 Sample AK N-SM-SV-DK0-GD1-I0-KHS-KBS-SDS-S1 Plenum box, rectangular design suitable for diffuser type KG length 415mm width 215mm standard length with screw mounting galvanised sheet steel without damper with rubber lip seal without box insulation standard height of box standard width of box standard spigot diameter lateral spigot Order details 01 Type AK = Plenum box, rectangular design 02 Air diffuser 32 = Ventilation grille type KG-Q 03 Length = 315 mm = 415 mm = 515 mm = 615 mm = 815 mm = 1015 mm = 1215 mm 04 Height 065 = 65 mm 115 = 115 mm 165 = 165 mm 215 = 215 mm 315 = 315 mm 05 Single / band design N = Single length (standard) 06 Fastening SM = Screw mounting (standard, screws must be provided on site) 07 Material SV = Galvanised sheet steel (standard) V2 = Stainless steel (V2A) 08 Damper DK0 = Without damper (standard) 09 Rubber lip seal GD0 = Without rubber lip seal (standard) GD1= with rubber lip seal 10 Insulation I0 = Without insulation (standard) li = With box insulation inside la = With box insulation outside 11 Height of box KHS= Height of plenum box standard xxx = Height of box in mm (minimum height = spigot diameter + 87 mm) 12 Width of box KBS = Standard width of box xxx = Width of box in mm (minimum width = spigot diameter + 30 mm) 13 Spigot diameter SDS = Standard spigot diameter xxx = Spigot diameter in mm 14 Spigot position S0 = Spigot from above S1 = Lateral spigot on the box (standard) S4 = Spigot front side 01/01-17

18 Specification texts Compact grille type KG-Q for supply air and return air, for installation in rectangular ductwork. Owing to its compact construction - the housing and hit-and-miss damper consist of a single component - the grilles have very high stability and torsional rigidity and require only a small mounting depth (50 mm). This gives low flow generated noise and a uniform inflow of the supply air over the entire grille surface. Compared with grilles equipped with air dampers, the air flow capacity is more than 20% higher at the same sound power level. The clinch joining technique without producing welding spots gives better anticorrosive protection. Consisting of a front frame with visible screw mounting (SM), with horizontal or vertical air deflection blades mounted on pivoting bearings and integrated hit-and-miss damper, adjustable on the room side, for simple air volume and ductwork regulation. Product: SCHAKO type KG-Q Cover frame (-BR), for concealed mounting, made of: - Aluminium natural colour anodised E6/EV1 - Aluminium painted with a high-quality powder coating to the RAL colour of the grille - Mounting frame (-ER1), comprising electrolytically galvanised sheet steel (not available in connection with plenum box AK, not for KG-R-...) - Mounting frame (-ER2), with wall anchors (not available in connection with plenum box AK, not for KG-R-...) - Type KG-Q , with vertical air deflection blades mounted on pivoting bearings, adjustable from the room side. Product: SCHAKO type KG-Q Compact grille consisting of: - Galvanised sheet steel (standard) - Sheet steel painted on the front with a high-quality powder coating to a RAL colour (RAL 9010 (white)) - Aluminium natural colour anodised E6/EV1 - Stainless steel (V2A) Accessories for KG-Q / KG-Q : - Plenum box (AK ), made of galvanised sheet steel, with lateral connection spigot. - with rubber lip seal (-GD1), made of special rubber, at the connection spigot. - with thermal insulation - internal (-Ii) - external (-Ia) - Height of box can be freely selected, xxx in mm, minimum height = spigot diameter + 72 mm with AK Width of box can be freely selected, xxx in mm, minimum width = spigot diameter + 30 mm with AK Spigot diameter can be freely selected, xxx in mm - Spigot position: - S0 = spigot from above - S1 = lateral spigot on the box (standard) - S4 = spigot front side 01/01-18

19 Compact grille type KG-R for supply air and return air, for installation in sheet metal / spiral ductwork. Owing to its compact construction - the housing and hit-and-miss damper consist of a single component - the grilles have very high stability and torsional rigidity and require only a small mounting depth (56 mm). This gives low flow generated noise and a uniform inflow of the supply air over the entire grille surface. Compared with grilles equipped with air dampers, the air flow capacity is more than 20% higher at the same sound power level. The clinch joining technique without producing welding spots gives better anticorrosive protection. Consisting of a front frame with visible screw mounting (SM), with horizontal or vertical air deflection blades mounted on pivoting bearings and integrated hitand-miss damper, adjustable on the room side, for simple air volume and ductwork regulation. Product: SCHAKO type KG-R Type KG-R , with vertical air deflection blades mounted on pivoting bearings, adjustable from the room side. Product: SCHAKO type KG-R Compact grille consisting of: - Galvanised sheet steel (standard) - Sheet steel painted on the front with a high-quality powder coating to a RAL colour (RAL 9010 (white)) - Aluminium natural colour anodised E6/EV1 - Stainless steel (V2A) 01/01-19