Lightolier VR PARABOLIC VRA2G16LS26U دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

VR PARABOLIC VRA2G16LS26U
Page 1 of 2 2'x2' RECESSED FLUORESCENT, 4" DEEP, 16 CELL (4x4) PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE
Features
• Meets IES RP1 for lighting VDT areas with normal use.
• 51.7% efficient (T8).
• 1.2 spacing mounting ratio.
• Only 6" deep body.
• One-piece housing.
• Specular low iridescence pre-anodized louver.
• Spring-loaded latches.
• Concealed “T” hinges.
• Louver frame with integral positive light stop.
• Earthquake clips included.
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ملخص المحتوى في الصفحة رقم 2

VR PARABOLIC VRA2G16LS26U Page 2 of 2 2'x2' RECESSED FLUORESCENT, 4" DEEP, 16 CELL (4x4) PARABOLIC LOUVER STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE LER = FP - 42.0 IW - 57.6 BF - 90.3 PHOTOMETRY MODEL NO. VRA2G16LS26U Comparative yearly lighting energy cost per 1000 lumens = $5.71 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 10 158 57 55 53 52 51 51 51 50 255 52 49 49 47 46 48 46 45 3