6490, These perforated. ceiling returns feature a. square neck. Aluminum or steel perforated face. is available. 6600, 56600, 6600FR

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1 C Table of Contents 6, 6 6, 6 supply ceiling diffusers feature a neck mounted rotatable core with either a round or square neck. Aluminum or steel perforated face is available. 62, 62 62FR, 629F supply, ceiling diffusers feature neck mounted curved blades with a square neck. Aluminum or steel perforated face is available. Fire rated or filter return variations available. 6, 6 6FR, 69FR supply, ceiling diffusers feature neck mounted curved blades with a round neck. Aluminum or steel perforated face is available. Fire rated supply and return variations available. 63 This perforated supply, ceiling diffuser features face mounted deflectors and a prescored fiberglass backpan for field cutting. Available in steel construction only. 639 This perforated return features a prescored fiberglass backpan for field cutting. Available in steel construction only. 64, 64, 64FR supply ceiling diffusers feature face mounted deflectors with a square neck. Aluminum or steel perforated face as well as a fire rated variations are available. 649, 649 ceiling returns feature a square neck. Aluminum or steel perforated face is available. 66, 66, 66FR supply ceiling diffusers feature face mounted deflectors with a round neck. Aluminum or steel perforated face is available. A fire rated variation is also available. 669, 669 ceiling returns feature a round neck. Aluminum or steel perforated face is available. 679, 679 These aluminum or steel perforated screen ceiling panels with no backpan are great for nonducted return or exhaust applications., These architectural, perforated, supply ceiling diffusers feature neck mounted curved blades with a square or rectangular neck. Available in steel or aluminum construction. A metric version is also available. 9, 9 These architectural, perforated, ceiling returns feature a square or rectangular neck. Available in steel or aluminum construction. 6, 6 (Supply) 6, 6 (Supply) Introduction...C4 Dimensional Information & Frame Styles.. C Reference Charts...C6 Performance Data...C9 Engineering Specifications...C 62, 62, 62FR (Supply) 629FR, 629F (Return) Introduction...C2 Dimensional Information...C3 Frame Styles...C4 Reference Charts...C7 Performance Data...C9 Engineering Specifications...C4 6, 6, 6FR (Supply) 69FR (Return) Introduction...C2 Dimensional Information...C28 Frame Styles...C29 Reference Charts...C3 Performance Data...C33 Engineering Specifications...C43 63 (Supply) 639 (Return) Introduction...C4 Dimensional Information...C46 Reference Charts...C46 Performance Data...C48 Engineering Specifications...C 64, 64, 64FR (Supply) 649, 649 (Return) Introduction...C2 Dimensional Information...C3 Frame Styles...C Reference Charts...C8 Performance Data...C6 Engineering Specifications...C93 66, 66, 66FR (Supply) 669, 669 (Return) Introduction...C2 Dimensional Information...C7 Frame Styles...C77 Reference Charts...C8 Performance Data...C82 Engineering Specifications...C9 C2 Excellence in Distribution KRUEGER 22

2 C Table of Contents 679, 679 (Return) Introduction & Dimensional Information... C97 Frame Styles & Reference Chart... C98 Performance Data... C99 Engineering Specifications... C, (Supply) 9, 9 (Return) Introduction... C Dimensional Information & Frame Styles... C2 Reference Charts... C4 Performance Data... C6 Engineering Specifications... C3 KRUEGER 22 Providing You With Distribution Solutions C3

3 C, 9 Architectural, Curved Blade Introduction:, 9 Series The / series architectural, perforated diffusers use curved bladetype pattern deflectors mounted in the neck and are available in preselected, 2, 3, or 4way discharge air patterns. Individually adjustable curved blades allow field adjustment of the air pattern in each direction, which may be field set to any position between a vertical throw and a tight ceiling, long horizontal throw pattern. The pattern deflectors in the neck create aspiration of secondary air through the perforated face where it is mixed with primary air then discharged through the perforated face. This aspiration and mixing effect reduces the discharge air temperature to avoid cold air drafts. Additionally, it removes smudging material from the secondary air by impingement on the perforated face. Ceiling smudging of adjacent, hard to clean ceiling surfaces is greatly reduced. The / series diffusers exhibit typical isothermal throws of to 8 for 4way air distribution and 2 to 3 for way air distribution making this diffuser an excellent choice for irregular room shapes. Matching returns are the 9 and 9 series. MODELS Steel Backpan with Aluminum Frame, Steel Perforated Face with Aluminum Frame Supply Diffuser 9 Steel Backpan with Aluminum Frame, Steel Perforated Face with Aluminum Frame Return Aluminum Backpan with Aluminum Frame, Aluminum Perforated Face with Aluminum Frame Supply Diffuser 9 Aluminum Backpan with Aluminum Frame, Aluminum Perforated Face with Aluminum Frame Return PANEL SIZES 2 x2 24 x24 2 x24 24 x48 (Supply) 9 (Return) FEATURES Square or rectangular necks. Architectural extruded aluminum borders. Individually adjustable blade pattern deflectors for horizontal to vertical throw. Variety of discharge air patterns available. Removable perforated face and core for ease of cleaning. ACCESSORIES Optional Opposed Blade Damper (Model OBD) Optional Straightening Grid FINISHES Standard finish is #44 British White. Optional finishes available.,, 9, 9 (Supply/Return) Face Views,, SUPPLY FACE VIEW 9, 9, RETURN FACE VIEW KRUEGER 22 Providing You With Distribution Solutions C 9

4 C, Architectural, Curved Blade, (Supply) Dimensional Information & Frame Styles,, FRAME 22, SURFACE MOUNT (CURVED),, FRAME 23, LAYIN TBAR MINIMUM CEILING OPENING DUCT PLUS 4" (2) NOMINAL PANEL 3/32" () 7/8" (22) NOMINAL DUCT PLUS 7" (78) 3/32" 7/32" (3) () NOMINAL PANEL MINUS /4" (6),, FRAME 27, SPLINE,, FRAME 98, NARROWT 2 /8" (67) 3/8" () OPTIONAL OBD NOMINAL PANEL 7/6" () 3/8" () NOMINAL PANEL MINUS /32" () NOMINAL PANEL 3/8" () /6" (8) NOMINALPANEL MINUS /8" (6),, CROSS SECTION, HINGE DETAIL,, PERFORATION DETAIL /6" (94) TYP /4" (6) /8" (4) 3/6" () TYP DIAMETER HOLES /8" (3) 7/6" () 7/32" (6) SPRING RETAINER,, AVAILABLE SIZES Surface Frame Style Standard TBar Spline, NarrowT Mount Frame Code Frame 23 Frame 27 & 98 F22 2"x2" 2"x24" 24"x24" 24"x48" 2"x2" 2"x24" 24"x24" 24"x48" Size (3x3) (3x6) (6x6) (6x29) (3x3) (3x6) (6x6) (6x29) 6"x6" (2x2) 6"x9" (2x229) 6"x2" (2x3) 6"x" (2x38) 6"x8" (2x47) 8"x8" (23x23) 9"x9" (229x229) 9"x2" (229x3) 9"x" (229x38) 9"x8" (229x47) "x" (24x24) 2"x2" (3x3) 2"x" (3x38) 2"x8" (3x47) "x" (38x38) "x8" (38x47) 8"x8" (47x47) NOTES: Dimensions in parentheses are mm. Dot indicates available neck size. C2 Excellence in Distribution KRUEGER 22

5 C, Architectural, Curved Blade, (Supply) Discharge Patterns,, DISCHARGE AIR PATTERNS 2 2C 3 S 2S 2CR 3C L 2L 2CL 4, (Supply) Reference Charts AIRFLOW VS. NC LEVEL:, (NO DAMPER) 6 4 flow (CFM) Size 8" x 8" " x " 2" x 2" " x " 8" x 8" 6" x 6" Sound Level, NC KRUEGER 22 C4 Excellence in Distribution

6 C, Architectural, Curved Blade, (Supply) Reference Charts SPACING FOR 8% ADPI:,, 8 x8 NECK, 4WAY (NO DAMPER) 6 /2 Unit Separation Distance, L 2 NC= CFM/Sq.Ft. SPACING FOR 8% ADPI:,, 8 x8 NECK, 4WAY (NO DAMPER) CFM NC=39 /2 Unit Separation Distance, L 2 CFM KRUEGER CFM/Sq.Ft. NOTES: Charts are at 2 BTUH/ft 2 loads. See the Engineering section of this catalog for instructions on how to read these charts and additional ADPI information. Providing You With Distribution Solutions C

7 C, Architectural, Curved Blade, (Supply) Performance Data: Horizontal IP/METRIC DATA:,, 2 x2 PANEL, 4WAY (NO DAMPER) 4Way 4Way Octave Band, db NC FPM CFM "WG "WG ft m/s L/s Pa Pa m " x " IP/METRIC DATA:,, 2 x2 PANEL, 3WAY (NO DAMPER) Way 2Way 3Way Way 2Way 3Way FPM CFM ft ft ft m/s L/s m m m " x " IP/METRIC DATA:,, 2 x24 PANEL, 4WAY (NO DAMPER) 4Way 4Way Octave Band, db NC FPM CFM "WG "WG ft m/s L/s Pa Pa m " x " IP/METRIC DATA:,, 2 x24 PANEL, 3WAY (NO DAMPER) C6 Way 2Way 3Way Way Excellence in Distribution 2Way 3Way FPM CFM ft ft ft m/s L/s m m m " x " NOTE: See page C2 for notes. KRUEGER 22

8 , (Supply) Performance Data: Horizontal C, Architectural, Curved Blade KRUEGER 22 IP/METRIC DATA:,, 24 x24 PANEL, 4WAY (NO DAMPER) 4Way 4Way Octave Band, db NC FPM CFM "WG "WG ft m/s L/s Pa Pa m " x " " x " " x " " x " " x " " x " NOTE: See page C2 for notes. Providing You With Distribution Solutions C7

9 C, Architectural, Curved Blade, (Supply) Performance Data: Horizontal IP/METRIC DATA:,, 24 x24 PANEL, 3WAY (NO DAMPER) Way 2Way 3Way Way 2Way 3Way FPM CFM ft ft ft m/s L/s m m m " x " " x " " x " " x " " x " " x " NOTE: See page C2 for notes. KRUEGER 22 C8 Excellence in Distribution

10 , (Supply) Performance Data: Horizontal C, Architectural, Curved Blade KRUEGER 22 IP/METRIC DATA:,, 24 x48 PANEL, 4WAY (NO DAMPER) 4Way 4Way Octave Band, db NC FPM CFM "WG "WG ft m/s L/s Pa Pa m " x " " x " " x " " x " " x " " x " NOTE: See page C2 for notes. Providing You With Distribution Solutions C9

11 C, Architectural, Curved Blade, (Supply) Performance Data: Horizontal IP/METRIC DATA:,, 24 x24 PANEL, 3WAY (NO DAMPER) Way 2Way 3Way Way 2Way 3Way FPM CFM ft ft ft m/s L/s m m m " x " " x " " x " " x " " x " " x " NOTE: See page C2 for notes. KRUEGER 22 C Excellence in Distribution

12 , (Supply) Suggested Specification & Configuration C, Architectural, Curved Blade. SERIES: (XXXXX) Perforated, Steel Supply Diffuser Perforated, Aluminum Supply Diffuser 2. PATTERN: (XX) Way 2 2Way 3 3Way 4 4Way, The perforated face supply diffuser shall be Krueger model (steel perforated face and backpan) or (aluminum perforated face and backpan). The diffusers shall have a perforated face with 3/6 diameter holes on /4 centers resulting in a % free area. The perimeter of the perforated face and backpan shall be an aluminum extrusion resulting in an aesthetic appearance. The diffuser shall have a tapered backpan made up of four individual pieces resulting in a square neck. 3. WIDTH: (XX) * 6, 8, 9,, 2,, or 8 4. HEIGHT: (XX) * IF WIDTH = 6 Select 6, 9, 2,, or 8 8 Select 8 9 Select 9, 2,, or 8 Select 2 Select 2,, or 8 Select or 8 8 Select 8. FRAME: (XXX) F22 Surface Mount Curved F23 Layin TBar F27 Spline F98 NarrowT The diffuser shall have individually adjustable curved blade deflectors mounted at the neck of the diffuser. The curved blade deflectors shall allow vertical or, 2, 3, or 4way horizontal projection of air into the room. The perforated face must be easily removable from the backpan for access to the adjustable curved blades for adjustments and access to the damper. Optional opposedblade damper (OBD) shall be constructed of heavy gage steel. Damper shall be operable from the face of the diffuser. PERFORMANCE The manufacturer shall provide published (printed or electronic) performance data for the diffuser. Performance data shall include 2 7 octave band sound power levels. The diffuser shall be tested in accordance to the data standards at the time of product introduction or ANSI/ASHRAE Standard PANEL: (XX)x(XX) NONE 2 x2 2 x24 24 x24 24 x48 7. DAMPERS: (XX) No Damper Steel Opposed Blade Damper (Model OBD) Aluminum Opposed Blade Damper (Model OBD) 8. ACCESSORIES: (XX) No Accessories S Straightening Grid FINISH The paint finish shall be #44 British White and be an anodic acrylic paint, baked at 3 F for 3 minutes. The paint thickness shall be.8. mils, gloss at 6 per ASTM D23 89 of 8%, pencil hardness per ASTM D336392A of HB H, crosshatch adhesion per ASTM D33983 of 4B B, impact per ASTM D of direct impact > in/lb and reverse impact >8 in/lb, salt spray per ASTM B7948 of 96 hours, humidity per ASTM D of > hours and water soak per ASTM D8792 of 2 hours. KRUEGER FINISH: (XX) Mill 3 Black Backpan with British White Face Alumican 3 Black 44 British White * See chart on page C2 for available neck sizes. SAMPLE CONFIGURATION: 3 9x2 F23 24x24 44 Providing You With Distribution Solutions C3

6490, These perforated. ceiling returns feature a. square neck. Aluminum or steel perforated face. is available. 6600, 56600, 6600FR

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