Lightolier VR PARABOLIC VRA2G12LS232 دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

VR PARABOLIC VRA2G12LS232
Page 1 of 2 2'x4' RECESSED FLUORESCENT, 4" DEEP, 12 CELL (2x6) PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN/HEAT EXTRACTION, IES RP1 FOR NORMAL VDT USE
Features
• Meets IES RP1 for lighting VDT areas with normal use.
• Can provide 49 maintained footcandles at .78 watts per square foot
(8x10 module).
• 70.9% efficient (T8).
• 1.8 spacing mounting ratio.
• Only 6" deep body.
• One-piece housing.
• Semi-specular low iridescence pre-anodized louver (standard).
• Spring-load

ملخص المحتوى في الصفحة رقم 2

VR PARABOLIC VRA2G12LS232 Page 2 of 2 2'x4' RECESSED FLUORESCENT, 4" DEEP, 12 CELL (2x6) PARABOLIC LOUVER STATIC OR AIR SUPPLY/RETURN/HEAT EXTRACTION, IES RP1 FOR NORMAL VDT USE LER = FP - 54.6 IW - 77.6 BF - 98.4 PHOTOMETRY MODEL NO. VRA2G12LS232SO Comparative yearly lighting energy cost per 1000 lumens = $4.39 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 10 179 77 75 73 71 69 70 69 67 274 70 67 6