F1-2. Table of Contents PLENUM SLOT DIFFUSERS PTBS. Introduction & Dimensional Information... F1-3. Accessories... F1-54. Reference Charts...

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1 F1 LENUM LO DIFFUE able of ontents his plenum slot supply diffuser features an adjustable blade. lots: 1 to 4 lot Widths: ¾, 1, 1½ Introduction & Dimensional Information... F13 Accessories... F15 eference harts... F17 erformance Data... F19 Engineering pecification... F127 11L 11 LENUM LO DIFFUE 21L 31L L LEF HAND INLE AAHMEN DIEION / WAY LO QUANIY 32L L 22 his plenum slot supply diffuser features fixed, curved blades. lots: 1 to 4* * 1 to 4 slots available with 1way deflection, 2 to 4 slots available with 2way deflection. IGH HAND INLE AAHMEN DIEION / WAY LO QUANIY A his plenum slot supply diffuser features Ice ong blades. lots: 1 to 4 lot Widths: ¾, 1, F, & F (F) hese plenum slot supply diffusers feature a fixed curved blade. Available with fire damper (F) and factory installed blades (F). lots: 1 or 2 lot Widths: ¾ *, 1, 1½ * ¾ lot width only available on model F., he plenum slot supply () diffuser features a fixed horizontal pattern controller to provide 1way airflow; also available with a return slot (). A Introduction & Dimensional Information... F128 Accessories... F130 eference harts... F131 erformance Data... F133 Engineering pecification... F141 Introduction & Dimensional Information... F142 attern Designations & laster Frame... F143 Inlet ollars... F144 eference harts... F145 erformance Data... F147 Engineering pecification... F151, F & F (Fire ated) Introduction & Dimensional Information... F152 Accessories... F154 eference harts... F156 erformance Data... F158 Engineering pecifications... F166,, D, D Introduction... F168 Dimensional Information... F169 eference harts... F171 erformance Data... F173 Engineering pecifications... F178 & F (Fire ated) Introduction & Dimensional Information... F180 Accessories... F181 eference harts... F182 erformance Data... F183 Engineering pecifications... F187 D, D he plenum slot supply (D) diffuser features a center downblow and a fixed horizontal pattern controller to provide 1way airflow; also available with a return slot (D). /F (F) hese plenum slot return diffusers are available with a fire damper (F) or without (). F12 Excellence in Air Distribution

2 F1 LENUM LO DIFFUE, D eries urved lade, upply/eturn LENUM LO DIFFUE Introduction:, D eries D he series plenum slot diffuser features a curved blade that directs a horizontal discharge air pattern. he blades are shipped attached to the unit and are nonremovable. he plenum is an integral part of the diffuser and has a drawn inlet collar to prevent plenum air leakage. A return slot is available () for nonducted return air systems. he return slot is placed opposite the horizontally discharged supply air to prevent short circuiting the return. his design makes Krueger s series diffuser an ideal choice for perimeter areas that need horizontal discharged air and VAV cooling applications. he D series plenum slot diffuser features a curved blade that directs a horizontal discharge air pattern and a center down blow section that discharges air vertically. he D blades are shipped attached to the unit and are nonremovable. he center down blow blades are ice tong blades that can be adjusted for vertical angled throw and vertical down blow dampening. he plenum is an integral part of the diffuser and has a drawn inlet collar to prevent plenum air leakage. A return slot is available (D) for nonducted return air systems. he return slot is placed opposite the horizontally discharged supply air to prevent short circuiting the return. With a downblow section to wash the window and VAV cooling applications, this design makes Krueger s D series diffuser an ideal choice for perimeter areas with windows that require horizontal discharged air. MODEL lenum lot upply Diffuser with Fixed Aluminum urved lades lenum lot upply/eturn ombination Diffuser with Fixed Aluminum urved lades D lenum lot upply Diffuser with Fixed Aluminum urved lades & Downblow D lenum lot upply/eturn ombination Diffuser with Fixed Aluminum urved lades & Downblow FEAUE lots: 1 (supply) or 2 (supply/return combo). lot Widths: 3/4 (supply) & 2 (return). Lengths: 24, 36, 48, and 60. Downblow: 8, 12, 15, or 18 (supply/return combo). AEOIE External Insulation laster Frame D D FINIHE tandard finish is black face with optional white tees. F168 Excellence in Air Distribution

3 LENUM LO DIFFUE F1, urved lade, Dimensional Information,, INLE IDE VIEW, O EION L MINU 1/4" (6) 1 1/2" (38) 2 3/4" (70) D L, EUN IDE VIEW L MINU 1/4" (6) 7" (178), O EION 1 1/2" (38) 2 3/4" (70) 3/4" (19) LO Y 3/4" (19) 2 13/16" (71) LENUM LO DIFFUE 5" (127) 2" (51) EF EUN OENING 7" (178) 2" (51) 2 5/8" (67) L 3/4" (19) 2" (51) 5 5/16" (135) 1/2" (13),, AVAILALE INLE IZE Inlet ize D 6" (152) Oval 7 9/16" (192) 3" (76) 8" (203) Oval 10 1/16" (256) 4" (102) 10" (254) Oval 13 1/4" (337) 4" (102) NOE: Dimensions in parentheses are mm.,, AEN ONOLLE,, D, D laster Frame Details,, LAE FAME AEMLY MINIMUM EILING OENING LENUM 'W' LU 1/2" (13) x 'L' LU 1/2" (13),, LAE FAME ADAE 1 7/16" (37) 3/16" (5) 1" (25) LENUM 'W' DIMENION LU 1/4" (6) 'W' 'W' LU 1" (25) NOE: Dimensions in parentheses are mm. FAMING & EW Y OHE roviding You With Air Distribution olutions F169 1" (25),, LAE FAME FAE VIEW NOMINAL 'L' LU 1" (25)

4 LENUM LO DIFFUE F1, urved lade, eference harts: Horizontal hrow AIFLOW V. N:,, 3/4 LO WIDH, 1LO, 8 OVAL INLE, 1WAY (NO DAME) Airflow (FM) Unit Length 5 ft. 4 ft. 2 ft. LENUM LO DIFFUE ound Level, N DIFFUE AING FO 80% ADI:,, 3/4 LO WIDH, 4 F., 1LO, 8 OVAL INLE, 1WAY (NO DAME) 1/2 Unit eparation Distance, L FM/q.Ft. N=36 NOE: ottom chart is at 20 UH/ft 2 load. ee the Engineering section of this catalog for instructions on how to read these charts and additional ADI information. * eparation distance in feet between active supply sections discharging in similar directions. FM roviding You With Air Distribution olutions F End to End pacing *

5 , erformance Data: Horizontal hrow LENUM LO DIFFUE F1, urved lade I/MEI DAA:, (NO DAME) I Data Metric Data Air ressure Air ressure hrow hrow Linear Flow s t Flow s t Octave and, d N Length FM "WG "WG ft L/s a a m ' " Oval 4' Inlet ' ' " Oval 4' Inlet ' ' " Oval Inlet ' NOE: hrow values are given for terminal velocities of 150, 100, and 50 FM (0.75, 0.50, and 0.25 m/s). hrow values for horizontal and vertical throw are given at isothermal conditions. Airflow is given for the length of the unit. N values are based on octave band 2 7 sound power levels minus a room absorption of 10d, re10 12 Watts. Dash in space denotes a N or d value of less than 10. Data was obtained from tests conducted in accordance with ANI/AHAE tandard 70, IO tandard 5219, and IO tandard ee selection software for performance data not shown, including octave band data. roviding You With Air Distribution olutions F173 LENUM LO DIFFUE

6 F1 LENUM LO DIFFUE, urved lade, uggested pecification & onfiguration LENUM LO DIFFUE he plenum slot supply diffuser shall be Krueger model constructed of 24 gage galvanized steel with factory drawn inlet to prevent air leakage. he shall have a single aluminum extruded curved blade that creates a 3/4 slot width opening and discharges horizontally along the ceiling in the direction of the inlet to accommodate perimeter wall mounting applications. he shall not exceed 7 in total height. Optional plaster frame is available for installation in to hard ceilings. Optional 1/2 thick foil wrapped, 1 1/2 lb. density external insulation is available. he plenum slot supply/return diffuser shall be Krueger model constructed of 24 gage galvanized steel with factory drawn inlet to prevent air leakage for the supply side and a 2 slot opening running the length of the plenum for the return side. he shall have a single aluminum extruded curved blade that creates a 3/4 slot width opening and discharge horizontally along the ceiling in the direction of the inlet to accommodate perimeter wall mounting applications. he return slot shall be 2 in width and attached to the supply by the manufacturer. he return slot shall be located opposite the inlet to prevent a short circuit in the return air. he shall not exceed 7 in total height. 1. EIE: (XXXXXX) lenum lot Diffuser with Fixed attern lenum lot Diffuser with Fixed attern and eturn lot 2. INULAION: (X) N No Insulation Y Insulation 3. LO LENGH: (XX) * 24, 36, 48, or LENUM INLE IZE: (XX) 6, 8, or 10 Oval 5. MOUNING YE: (XX) 00 No Mounting F laster Frame 6. FINIH: (XX) 35 lack Face and attern ontrollers * 10 Inlet not available with 24 lot Length. Optional plaster frame is available for installation in to hard ceilings. Optional 1/2 thick foil wrapped, 1 1/2 lb. density external insulation is available. EFOMANE he manufacturer shall provide published (printed or electronic) performance data for the diffuser. erformance data shall include 2 7 octave band sound power levels. he diffuser shall be tested in accordance to the data standards at the time of product introduction or ANI/AHAE tandard 70. FINIH he standard finish shall be black on the face and pattern controllers. AMLE ONFIGUAION: Y 48 8 F 35 F178 Excellence in Air Distribution