Lightolier XA432 دليل المستخدم

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XP/XA 2' x 4' Lens Recessed Fluorescent XP/XA432
Page 1 of 2 Static, Flat Steel or Regressed Aluminum Lens Frame, 4 Lamp, T8
Features
• Efficiency 83.0%.
• Shallow 3" deep housing.
• Ribbed housing for strength and stability.
• Ends of housing formed inward for safe handling.
• Built-in earthquake clips.
• Hemmed-over side rails for safe handling.
• Ends have screw dimples for installation to T-bar (no fixture or
ceiling distortion).
• Flat steel or regressed aluminum lens frame with mitered
cor

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XP/XA 2' x 4' Lens Recessed Fluorescent XP/XA432 Page 2 of 2 Static, Flat Steel or Regressed Aluminum Lens Frame, 4 Lamp, T8 LER = FL - 74.3 IW - 112 BF - 0.88 Photometry Model No. XP2GVA432120O4 Comparative yearly lighting energy cost per 1000 lumens = $3.23 coefficients of utilization — zonal cavity method (effective floor cavity reflectance 0.20) RF 20 20 20 RC 80 50 30 RW 70 50 30 50 30 10 50 30 10 191 87 84 82 79 77 78 76 74 283 76 71 72 68 64 69 66 63 376 68 61 64 59 55 62 57 54 470 60 53