SUPPLY ROUND DIFFUSERS TABLE OF CONTENTS ROUND DIFFUSERS. M-2 Excellence in Air Distribution MODELS RM1/5RM1/RM2/5RM2/RM4/5RM4/RA2/RA4

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SUPPLY OUN IFFUSES TBLE OF CONTENTS OUN IFFUSES 1/51 These supply ceiling diffusers discharge horizontally only. They feature three cones with two position settings to control room air induction.

They feature four cones with three position settings (2/52) or may be fully adjustable (2) to control vertical discharge. /5/ These supply ceiling diffusers discharge both horizontally and vertically.

2PLQ This supply ceiling diffuser discharges both horizontally and vertically. It features a round plaque face with three position settings available to control vertical discharge.

.. -8 /5 imensional Information & eference Chart... -9 2 imensional Information & eference Chart... -1 imensional Information & eference Chart... -11 2/52//5/2/ eference Charts.

1 SUPPLY OUN IFFUSES TBLE OF CONTENTS OUN IFFUSES 1/51 These supply ceiling diffusers discharge horizontally only. They feature three cones with two position settings to control room air induction. 2/52/2 These supply ceiling diffusers discharge both horizontally and vertically. They feature four cones with three position settings (2/52) or may be fully adjustable (2) to control vertical discharge. /5/ These supply ceiling diffusers discharge both horizontally and vertically. They feature four cones (outer antismudge cone) with three position settings (/5) or may be fully adjustable () to control vertical discharge. 2PLQ This supply ceiling diffuser discharges both horizontally and vertically. It features a round plaque face with three position settings available to control vertical discharge. OELS 1/51/2/52//5/2/ Introduction /51 imensional Information & eference Charts /51 Performance ata /52 imensional Information & eference Chart /5 imensional Information & eference Chart imensional Information & eference Chart imensional Information & eference Chart /52//5/2/ eference Charts /52//5/2/ Performance ata Engineering Specifi cations OELS 2PLQ/PLQ Introduction PLQ imensional Information & eference Chart PLQ imensional Information & eference Chart PLQ/PLQ eference Charts PLQ/PLQ Performance ata Engineering Specifi cations OEL 1B1 Introduction & imensional Information B1 eference Charts B1 Performance ata Engineering Specifi cation PLQ This supply ceiling diffuser discharges both horizontally and vertically. It features a round plaque face with an outer anti-smudge cone. There are three position settings available to control vertical discharge. 1B1 This supply ceiling diffuser discharges both horizontally and vertically. It features a ring-operated center downblow adjustment with an anti-smudge outer cone. KUEGE 26-2 Excellence in ir istribution

SUPPLY OUN IFFUSES / SEIES CONE IFFUSES INTOUCTION: / SEIES Krueger s / round ceiling diffusers provide excellent performance in variable air volume systems.

Krueger s round ceiling diffusers come in three styles. 1 The fi rst style, 1/51, is used when vertical throw is not needed, but the consumer needs to adjust the room air induction.

The second style, 2/52//5, is used when horizontal and vertical discharge is required. This is accomplished by utilizing the three position inner cones.

When set in position three, the air projects vertically from the diffuser.

2 SUPPLY OUN IFFUSES / SEIES CONE IFFUSES INTOUCTION: / SEIES Krueger s / round ceiling diffusers provide excellent performance in variable air volume systems. The round ceiling diffusers have three or four cones depending on model selected to provide a uniform appearance regardless of design specifi cations. Krueger s round ceiling diffusers come in three styles. 1 The fi rst style, 1/51, is used when vertical throw is not needed, but the consumer needs to adjust the room air induction. This is accomplished by utilizing the two position inner cones. t position one, capacity is maximized. In position two, room air induction is increased. The second style, 2/52//5, is used when horizontal and vertical discharge is required. This is accomplished by utilizing the three position inner cones. t position one, capacity is maximized and throw is horizontal. In position two, room air induction is increased and the throw remains horizontal. When set in position three, the air projects vertically from the diffuser. The third style, 2/, is used when horizontal and vertical discharge is required with infi nite adjustability between horizontal and vertical. In the full open setting, capacity is maximized and throw is horizontal. In the full closed setting, air projects vertically from the diffuser. 2 OUN IFFUSES Krueger s round ceiling diffusers come with a safety cable to secure the inner cones after removal. (Safety cable is optional for 12 inlet size or smaller.) OELS OEL 1 - Steel, 3-Cones, Position djustments OEL 51 - luminum, 3-Cones, Position djustments OEL 2 - Steel, -Cones, 3-Position djustments OEL 52 - luminum, -Cones, 3-Position djustments OEL - Steel, -Cones, 3-Position djustments with Large Outer nti-smudge Cone OEL 5 - luminum, -Cones, 3-Position djustments with Large Outer nti-smudge Cone OEL 2 - Steel, -Cones, Fully djustable OEL - luminum, -Cones, Fully djustable, with Large Outer nti-smudge Cone KUEGE 26 FETUES Horizontal Only (1/51) ir istribution Horizontal/Vertical (2/52//5/2/) ir istribution esigned for Heating and Cooling pplications 36 ischarge ir Pattern Excellent Performance in Variable ir Volume Systems esigned for Exposed uct or Hard Ceiling pplications CCESSOIES Optional Safety Cable (12 Inlets or Smaller) Optional ound Straightening Grid FINISHES Standard Finish is British White Optional Finishes vailable - S E IE S Excellence in ir istribution -3

3 SUPPLY OUN IFFUSES 2/52 FOU-CONES 2/52 IENSIONL INFOTION 2/52, COSS SECTION 2/52, POSITIONS 3/" (19) H OUTSIE IETE (C) CEILING OPENING IETE (B) UCT INUS 1/32" (1) POSITION 1 POSITION 2 POSITION 3 OUN IFFUSES 2/52, VILBLE NECK SIZES Nominal ound uct Size Steel (2) Nominal ound uct Size luminum (52) B C Position 1 (Horizontal) Position 3 (Vertical) 6" 6" 12" (35) 13 1/2" (33) 1 7/16" (37) 11/16" (17) 1 5/8" (1) 8" 8" 16" (6) 18" (57) 1 13/16" (6) 7/8" (19) 2 1/8" (5) 1" 1" 2" (58) 22 1/2" (572) 2 1/" (57) 1 1/8" (29) 2 5/8" (67) 12" 12" 2" (635) 27" (686) 2 11/16" (68) 1 1/" (32) 3 1/" (83) 1" 1" 28" (711) 31 1/2" (8) 3 1/8" (79) 1 3/16" (3) 3 3/" (95) 16" 16" 32" (813) 36" (91) 3 5/16" (8) 1 5/16" (33) 1/" (18) 18" 18" 36" (91) 1/2" (129) 3 3/" (95) 1 1/2" (38) 7/8" (12) 2" - " (116) 5" (113) 1/8" (15) 1 5/8" (1) 5 3/8" (137) 2" - 8" (1219) 5" (1372) 7/8" (121) 1 7/8" (8) 6 1/2" (165) 3" - 6" (152) 67 1/2" (1715) 5 9/16" (11) 1 7/8" (8) 8" (23) 36" - 6" (152) 67 1/2" (1715) 5 9/16" (11) 1 7/8" (8) 8" (23) imensions in ( ) are mm. H 2/52 EFEENCE CHT IFLOW VS. NC LEVEL: 2/52 (NO PE) irflow (CF) Neck Size 36" 3" 2" 2" 18" 16" 1" 12" 1" 8" 6" Sound Level, NC KUEGE 26-8 Excellence in ir istribution

4 SUPPLY OUN IFFUSES /5 FOU-CONES WITH NTI-SUGE ING /5 IENSIONL INFOTION /5, COSS SECTION /5, POSITIONS 3/" (19) OUTSIE IETE (C) CEILING OPENING IETE (B) UCT INUS 1/32" (1) POSITION 1 POSITION 2 POSITION 3 /5, VILBLE NECK SIZES Nominal ound uct Size Steel () Nominal ound uct Size luminum (5) Position 1 (Horizontal) Position 3 (Vertical) Ceiling Opening iameter B Outside iameter C 6" 6" 3 1/16" (78) 2 5/16" (59) 7" (178) 17 3/8" (1) 8" 8" 3 15/16" (1) 3" (76) 9" (229) 23 1/" (591) 1" 1" 7/8" (12) 3 3/" (95) 11" (279) 29" (737) 12" 12" 5 15/16" (151) 1/2" (11) 13" (33) 3 7/8" (886) 1" 1" 6 7/8" (175) 15/16" (125) 15" (381) 5/8" (132) 16" 16" 7 9/16" (192) 5 9/16" (11) 17" (32) 6 3/8" (1178) 18" 18" 8 5/8" (219) 6 3/8" (162) 19" (83) 51 3/8" (135) 2" - 9 1/2" (21) 7" (178) 21" (533) 56 1/" (129) 2" /8" (289) 8 3/8" (213) 25" (635) 67 1/2" (1715) imensions in ( ) are mm. OUN IFFUSES /5 EFEENCE CHT IFLOW VS. NC LEVEL: /5 (NO PE) 35 irflow (CF) Neck Size 2" 2" 18" 16" 1" 12" 1" 8" 6" 5 - KUEGE Sound Level, NC 5 Excellence in ir istribution -9

5 SUPPLY OUN IFFUSES 2 FOU-CONES 2 IENSIONL INFOTION 2, COSS SECTION 3/" (19) OUTSIE IETE (C) CEILING OPENING IETE (B) UCT INUS 1/32" (1) H OUN IFFUSES 2, VILBLE NECK SIZES Nominal ound uct Size Ceiling Opening iameter B Outside iameter C Position 1 (Horizontal) Position 3 (Vertical) 6" 12" (35) 13 1/2" (33) 1 7/16" (37) 11/16" (17) 1 5/8" (1) - 8" 16" (6) 18" (57) 1 13/16" (6) 7/8" (19) 2 1/8" (5) - 1" 2" (58) 22 1/2" (572) 2 1/" (57) 1 1/8" (29) 2 5/8" (67) - 12" 2" (635) 27" (686) 2 11/16" (68) 1 1/" (32) 3 1/" (83) - 1" 28" (711) 31 1/2" (8) 3 1/8" (79) 1 3/16" (3) 3 3/" (95) 2 1/2" (6) 16" 32" (813) 36" (91) 3 5/16" (8) 1 5/16" (33) 1/" (18) 2 5/8" (67) 18" 36" (91) 1/2" (129) 3 3/" (95) 1 1/2" (38) 7/8" (12) 2 3/" (7) 2" " (116) 5" (113) 1/8 (15) 1 5/8" (1) 5 3/8" (137) 3" (76) 2" 8" (1219) 5" (1372) 7/8" (121) 1 7/8" (8) 6 1/2" (165) 3 1/8" (79) 3" 6" (152) 67 1/2" (1715) 5 9/16" (11) 1 7/8" (8) 8" (23) 3/8" (111) 36" 6" (152) 67 1/2" (1715) 5 9/16" (11) 1 7/8" (8) 8" (23) 3/8" (111) imensions in ( ) are mm. H P 2 EFEENCE CHT IFLOW VS. NC LEVEL: 2 (NO PE) 7 65 irflow (CF) Neck Size 36" 3" 2" 2" 18" 16" 1" 12" 1" 8" 6" Sound Level, NC KUEGE 26-1 Excellence in ir istribution

6 SUPPLY OUN IFFUSES FOU-CONES WITH NTI-SUGE ING IENSIONL INFOTION, COSS SECTION P 3/" (19) OUTSIE IETE (C) CEILING OPENING IETE (B) UCT INUS 1/32" (1), VILBLE NECK SIZES Nominal ound uct Size Position 1 (Horizontal) Position 3 (Vertical) P Ceiling Opening iameter B Outside iameter C 6" 3 1/16" (78) 2 5/16" (59) - 7" (178) 17 3/8" (1) 8" 3 15/16" (1) 3" (76) - 9" (229) 23 1/" (591) 1" 7/8" (12) 3 3/" (95) - 11" (279) 29" (737) 12" 5 15/16" (151) 1/2" (11) - 13" (33) 3 7/8" (886) 1" 6 7/8" (175) 15/16" (125) 2 1/2" (6) 15" (381) 5/8" (132) 16" 7 9/16" (192) 5 9/16" (11) 2 5/8" (67) 17" (32) 6 3/8" (1178) 18" 8 5/8" (219) 6 3/8" (162) 2 3/" (7) 19" (83) 51 3/8" (135) 2" 9 1/2" (21) 7" (178) 3 1/2" (89) 21" (533) 56 1/" (129) 2" 11 3/8" (289) 8 3/8" (213) 3 1/8" (79) 25" (635) 67 1/2" (1715) imensions in ( ) are mm. OUN IFFUSES EFEENCE CHT IFLOW VS. NC LEVEL: (NO PE) 35 irflow (CF) Neck Size 2" 2" 18" 16" 1" 12" 1" 8" 6" 5 KUEGE Sound Level, NC Excellence in ir istribution -11

7 SUPPLY OUN IFFUSES 2//2/ SEIES FOU-CONES 2/52//5/2/ EFEENCE CHTS: HOIZONTL THOW IFFUSE SPCING FO 8% PI: 2/52//5/2/, 6 NECK (NO PE) 2 OUN IFFUSES 1/2 Unit Separation istance, L 15 NC= CF/Sq.Ft. CF ange IFFUSE SPCING FO 8% PI: 2/52//5/2/, 1 NECK (NO PE) 5 5 1/2 Unit Separation istance, L NC=1 CF ange CF/Sq.Ft. 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 PI information. KUEGE Excellence in ir istribution

8 SUPPLY OUN IFFUSES 2//2/ SEIES FOU-CONES KUEGE 26 2/52//5/2/ PEFONCE T: HOIZONTL/VETICL THOW IP/ETIC T: 2/52//5/2/ (NO PE) IP ata Excellence in ir istribution etric ata Neck ir Horizontal Vertical Horizontal Vertical Projection HZ VT Neck ir Horizontal Vertical Horizontal Vertical Projection Vel Flow Ps Pt Ps Pt Throw 1ºF 2ºF 3ºF ºF Vel Flow Ps Pv Pt Pt Throw 5ºC 11ºC 17ºC 22ºC FP CF "WG "WG "WG "WG ft ft ft ft ft NC NC m/s L/s Pa Pa Pa Pa m m m m m " ia " ia " ia " ia " ia " ia Throw values are given terminal velocities of 15, 1, and 5 FP (.75,.5, and.25 m/s). Horizontal throw values are given for isothermal conditions. Vertical throw values are for a terminal velocity of 5 FP at the temperature differences shown. NC values are based on octave band 2-7 sound power levels minus a room absorption of 1dB, re 1-12 watts. ash (-) in space denotes a NC value of less than 1. ata was obtained from tests conducted in accordance with NSI/SHE Standard 7, ISO Standard 5219, and ISO Standard 371. See K-Select program for performance data not shown, including octave band data. -13 OUN IFFUSES -

9 SUPPLY OUN IFFUSES 2//2/ SEIES FOU-CONES 2/52//5/2/ PEFONCE T: HOIZONTL/VETICL THOW OUN IFFUSES - IP/ETIC T: 2/52//5/2/ (NO PE) IP ata etric ata Neck ir Horizontal Vertical Horizontal Vertical Projection HZ VT Neck ir Horizontal Vertical Horizontal Vertical Projection Vel Flow Ps Pt Ps Pt Throw 1ºF 2ºF 3ºF ºF Vel Flow Ps Pv Pt Pt Throw 5ºC 11ºC 17ºC 22ºC FP CF "WG "WG "WG "WG ft ft ft ft ft NC NC m/s L/s Pa Pa Pa Pa m m m m m " ia " ia " ia " ia " ia Throw values are given terminal velocities of 15, 1, and 5 FP (.75,.5, and.25 m/s). Horizontal throw values are given for isothermal conditions. Vertical throw values are for a terminal velocity of 5 FP at the temperature differences shown. NC values are based on octave band 2-7 sound power levels minus a room absorption of 1dB, re 1-12 watts. ash (-) in space denotes a NC value of less than 1. ata was obtained from tests conducted in accordance with NSI/SHE Standard 7, ISO Standard 5219, and ISO Standard 371. See K-Select program for performance data not shown, including octave band data. KUEGE 26-1 Excellence in ir istribution

10 SUPPLY OUN IFFUSES 2//2/ SEIES FOU-CONES 2/52//5/2/ SUGGESTE SPECIFICTION & CONFIGUTION OUN IFFUSES 2/52//5 The round ceiling diffuser shall be Krueger model 2 (steel) or 52 (aluminum). The 2 and 52 models shall be constructed of -cones. The inner 3-cone assembly shall be adjustable to provide 3 different discharge settings from horizontal to vertical and be easily removable using a spring locking mechanism. The removable core shall be supported by a safety cable to provide ease of installation and maintenance for neck sizes 1 and larger. iffusers shall be constructed of 18 gage steel (2) or.51 aluminum (52). deep, one-piece outer cone shall be provided for the enhancement to the anti-smudge characteristics of the (steel) and 5 (aluminum) series. Optional round damper shall be constructed of heavy gage steel. amper shall be operable from the face of the diffuser. 2/ The round ceiling diffuser shall be Krueger model 2. The 2 model shall be constructed of -cones. The inner 3-cone assembly shall be fully adjustable by rotating the center cone to modify the discharge air setting from horizontal to vertical and be easily removable using a spring locking mechanism. The removable core shall be supported by a safety cable to provide ease of installation and maintenance for neck sizes 1 and larger. iffusers shall be constructed of 18 gage steel. deep, one-piece outer cone shall be provided for the enhancement to the anti-smudge characteristics of the series. Optional round damper shall be constructed of heavy gage steel. amper shall be operable from the face of the diffuser. 1. SEIES: (XXXX) 2-3-Position ound, Steel iffuser - 3-Position ound, nti-smudge Steel iffuser 52-3-Position ound, luminum iffuser 5-3-Position ound, nti-smudge luminum iffuser 2 - djustable ound, Steel iffuser - djustable ound, nti-smudge Steel iffuser 2. INLET: (XX) * 6-2 in 2 Increments, 2, 3, or PE: (XX) - NONE 3 - P1 - P1 6 - P PN1. CCESSOIES: (XX) ** - No ccessories C - Safety Cable - ound Straightening Grid 5. FINISH: (XX) 1 - ill 1 - lumican 35 - Black - British White (*) Largest inlet size available for & is 2. Largest inlet size available for 52 & 5 is 18. (**) Safety cable included on all units with 1 or greater neck size. PEFONCE 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 NSI/SHE Standard 7. - FINISH The paint fi nish shall be # White and be an anodic acrylic paint, baked at 315 F for 3 minutes. The paint thickness shall be.8 1. mils, gloss at 6 per ST of 5 85%, pencil hardness per ST of HB H, crosshatch adhesion per ST of B 5B, impact per ST of direct impact >1 in/lb and reverse impact >8 in/lb, salt spray per ST B of 96 hours, humidity per ST of >5 hours and water soak per ST of 25 hours. SPLE CONFIGUTION: KUEGE Excellence in ir istribution

ROUND DIFFUSERS G1. RM, RA Series Cone Diffusers. Introduction: RM, RA Series ROUND DIFFUSERS R M - R A S E R I E S

ROUND DIFFUSERS G1. RM, RA Series Cone Diffusers. Introduction: RM, RA Series ROUND DIFFUSERS R M - R A S E R I E S OUND DIFFUSES G, A Series Cone Diffusers Introduction:, A Series Krueger s /A round ceiling diffusers provide excellent performance in variable air volume systems. The round ceiling diffusers have three