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

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C1 Table of Contents 1, 15 51, 515 feature a neck mounted rotatable core with either a round or square neck.

mounted deflectors and a prescored fiberglass backpan for field cutting. Available in steel construction only.

variations are 4, 54 ceiling returns feature a Aluminum is, 5, R feature face mounted deflectors with a round

neck. Aluminum is 7, 57 These aluminum or steel perforated screen ceiling panels with no backpan are great for

11, 511 These architectural, perforated, supply ceiling diffusers feature neck mounted curved blades with a

A metric version is also 11, 511 These architectural, perforated, ceiling returns feature a 1, 51 (Supply) 15,

..C1 Performance Data...C1 Engineering Specifications...C111, 5, R (Supply) R, (Return) Introduction.

..C11 Engineering Specifications...C141 5, 55, 5R (Supply) 5R (Return) Introduction...C11 Dimensional Information.

..C143 3 (Supply) 3 (Return) Introduction...C145 Dimensional Information...C14 Reference Charts.

1 C1 Table of Contents 1, 15 51, 515 feature a neck mounted rotatable core with either a round or square neck. Aluminum or steel perforated face is, 5 R, supply, ceiling diffusers feature neck mounted curved blades with a square neck. Aluminum is ire rated or filter return variations 5, 55 5R, 5R supply, ceiling diffusers feature neck mounted curved blades with a round neck. Aluminum is ire rated supply and return variations 3 This perforated supply, ceiling diffuser features face mounted deflectors and a prescored fiberglass backpan for field cutting. Available in steel construction only. 3 This perforated return features a prescored fiberglass backpan for field cutting. Available in steel construction only. 4, 54, 4R feature face mounted deflectors with a square neck. Aluminum or steel perforated face as well as a fire rated variations are 4, 54 ceiling returns feature a square neck. Aluminum is, 5, R feature face mounted deflectors with a round neck. Aluminum or steel perforated face is A fire rated variation is also, 5 ceiling returns feature a round neck. Aluminum is 7, 57 These aluminum or steel perforated screen ceiling panels with no backpan are great for nonducted return or exhaust applications. 11, 511 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 11, 511 These architectural, perforated, ceiling returns feature a square or rectangular neck. Available in steel or aluminum construction. 1, 51 (Supply) 15, 515 (Supply) Introduction...C14 Dimensional Information & rame Styles.. C15 Reference Charts...C1 Performance Data...C1 Engineering Specifications...C111, 5, R (Supply) R, (Return) Introduction...C11 Dimensional Information...C113 rame Styles...C114 Reference Charts...C117 Performance Data...C11 Engineering Specifications...C141 5, 55, 5R (Supply) 5R (Return) Introduction...C11 Dimensional Information...C18 rame Styles...C1 Reference Charts...C131 Performance Data...C133 Engineering Specifications...C143 3 (Supply) 3 (Return) Introduction...C145 Dimensional Information...C14 Reference Charts...C14 Performance Data...C148 Engineering Specifications...C151 4, 54, 4R (Supply) 4, 54 (Return) Introduction...C15 Dimensional Information...C153 rame Styles...C155 Reference Charts...C158 Performance Data...C1 Engineering Specifications...C13, 5, R (Supply), 5 (Return) Introduction...C15 Dimensional Information...C175 rame Styles...C177 Reference Charts...C18 Performance Data...C18 Engineering Specifications...C15 C1 Excellence in Air Distribution KRUEGER 1

C1, 5 Curved Blade Introduction:, 5 Series (Supply) 4 (Return) See page C15 for more information.

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 throw

This aspiration and mixing effect reduces the discharge air temperature to avoid cold air drafts.

2 C1, 5 Curved Blade Introduction:, 5 Series (Supply) 4 (Return) See page C15 for more information. The /5 series perforated diffusers use bladetype pattern deflectors mounted on the backpan and are available in preselected 1,, 3, or 4way blow 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 throw pattern. The pattern deflectors on the backpan create aspiration of secondary air through the perforated face where it is mixed with primary air that is 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 /5 series diffusers exhibit typical isothermal throws of 8 to for 4way air distribution and 1 to 5 for 1way air distribution making this diffuser an excellent choice for irregular room shapes. Matching returns are the 4 and series. MODELS Steel Construction, Square Neck, Supply Diffuser R ire Rated, Steel Construction, Square Neck, Supply Diffuser Steel Construction, Designed for Standard x x1 ilter (By Others), Square Neck, ilter Return R ire Rated, Steel Construction, Square Neck Return 5 Aluminum Perforation with Steel Backpan, Square Neck, Supply Diffuser 5 Steel Construction, Round Neck, Supply Diffuser 5R ire Rated, Steel Construction, Round Neck, Supply Diffuser 55 Aluminum Perforation with Steel Backpan, Round Neck, Supply Diffuser 5R ire Rated, Steel Construction, Round Neck Return 5 (Supply) (Return) See page C15 for more information. EATURES Individually adjustable curved blade pattern deflectors for horizontal to vertical throw. Variety of air discharge patterns Removable perforated face and core for easy cleaning. PANEL SIZES 1 x1 x 4 x4 1 x1 1 x4 4 x48 5 ACCESSORIES Optional Round Damper Optional Opposed Blade Damper (Model OBD) Optional Straightening Grid Optional Insulated Backpan INISHES Standard finish is #44 British White. Optional finishes KRUEGER 1 C11 Excellence in Air Distribution

3 C1 (ilter rame Return) Dimensional Information & rame Styles Curved Blade, ilter rame, ACE VIEW (4 x4 PANEL), HINGE DETAIL NOMINAL " x " PROVIDED, RAME, SURACE MOUNT, RAME CROSS SECTION SPRING RETAINER CEILING OPENING PANEL SIZE PLUS 1/8" (3) 1 7/8" (55) 5" (35) 3/1" (5), RAME 3, LAYIN TBAR, RAME 3 CROSS SECTION TBAR 1 7/8" (55) 7/1" (11) 3 3/4" (3), RAME 3, DROP ACE, RAME 7 CROSS SECTION TBAR 1 7/8" (55) 7/1" (11) 3 3/4" (3) 3/8" (1) NOTE: Dimensions in parentheses are mm. KRUEGER 1 Providing You With Air Distribution Solutions C115

4 (ilter rame Return) Performance Data C1 Curved Blade, ilter rame IP/METRIC DATA: RETURN, x NECK, 4 x4 PANEL ONLY (NO DAMPER) Neck Vel IP Data Air Pv low Ps Neck Vel Metric Data Air Pv low Octave Band, db NC PM CM "WG "WG m/s L/s Pa Pa " x " NOTES: NC values are based on octave band 7 sound power levels minus a room absorption of 1dB, re 1 1 Watts. Dash in space denotes a NC or db value of less than 1. Data was obtained from tests conducted in accordance with ANSI/ASHRAE Standard 7, ISO Standard 51, and ISO Standard See Krueger s selection software for performance data not shown, including octave band data. Ps KRUEGER 1 Providing You With Air Distribution Solutions C17

5 C1, 5, Curved Blade, 5, (Supply/ilter rame Return) Suggested Specification & Configuration KRUEGER 1 1. SERIES: (XXXXX) Square Neck, Steel Perforated Supply Diffuser with Backpan Mounted Adjustable Curved Blades 5 Square Neck, Aluminum Perforated ace, Steel Backpan Supply Diffuser with Backpan Mounted Adjustable Curved Blades Square Neck, Steel Perforated ilter rame Return. PATTERN: (XXX) 1 1Way Way 3 3Way 4 4Way C Way Corner Steel ilter rame Return 3. DIM 1 x DIM : (XX)x(XX) * x 8 x8 1 x1 1 x1 14 x14 1 x1 x ( Only) 4. RAME: (XXX) ** Surface Mount 3 Layin TBar 7 Spline 3 Drop ace 8 NarrowT 5. PANEL: (XX)x(XX) 1 x1 1 x1 1 x4 x 4 x4 4 x48. ACCESSORIES: (XX) None IB Insulated Backpan 7. INISH: (XX) 1 Mill 3 Black Backpan with British White ace 1 Alumican 35 Black 44 British White * See chart on page C113 for available neck sizes. ** When specifying, neck dimensions must be x with 4 x4 panel and frames, 3, or 3. SAMPLE CONIGURATION: 4 1x1 3 4x4 44, 5 The perforated face supply diffuser shall be Krueger model (steel perforated face) or 5 (aluminum perforated face). The diffusers shall have a perforated face with 3/1 diameter holes on 1/4 centers resulting in a 51% free area. The diffuser backpan shall be constructed of heavy gage steel and provide a square neck. The diffuser shall have individually adjustable curved blade deflectors mounted at the neck of the diffuser. The curved blade deflectors shall allow vertical or 1,, 3, or 4way horizontal projection of air in to 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. The perforated face return diffuser shall be Krueger model (steel perforated face). The diffusers shall have a perforated face with 3/1 diameter holes on 1/4 centers resulting in a 51% free area. The diffuser backpan shall be constructed of heavy gage steel and provide a square or neck. The unit must be able to accept a x x1 filter. The return diffuser shall match the Krueger model (steel perforated face) supply diffuser in appearance. The perforated face must be easily removable from the backpan for access to the filter (by others). Optional opposedblade damper (OBD) shall be constructed of heavy gage steel. Damper shall be operable from the face of the diffuser. PERORMANCE The manufacturer shall provide published (printed or electronic) performance data for the diffuser. Performance data shall include 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 7. INISH The paint finish shall be #44 British White and be an anodic acrylic paint, baked at 315 for 3 minutes. The paint thickness shall be.8 1. mils, gloss at per ASTM D538 of 5 85%, pencil hardness per ASTM D333A of HB H, crosshatch adhesion per ASTM D33583 of 4B 5B, impact per ASTM D743 of direct impact >1 in/lb and reverse impact >8 in/lb, salt spray per ASTM B11748 of hours, humidity per ASTM D47 of >5 hours and water soak per ASTM D87 of 5 hours. Providing You With Air Distribution Solutions C141 5

LINEAR DIFFUSERS AND BAR GRILLES

LINEAR DIFFUSERS AND BAR GRILLES Model 49-240 Model 48LL1 Model 49-280 Model 49-480 Model 48LL2 Linear ar Grilles The Nailor 4900 Series provides an extruded aluminum bar grille that offers beautiful styling and efficient performance.