Lightolier VR Parabolic VRA2G9LP317 دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

VR PARABOLIC VRA2G9LP317
Page 1 of 2 2'x2' RECESSED FLUORESCENT, 4" DEEP, 9 CELL (3x3) PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE
Features
• Meets IES RP1 for lighting VDT areas with normal use.
• 62.7% efficient.
• 1.4 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.
• Louver

ملخص المحتوى في الصفحة رقم 2

VR PARABOLIC VRA2G9LP317 Page 2 of 2 2'x2' RECESSED FLUORESCENT, 4" DEEP, 9 CELL (3x3) PARABOLIC LOUVER STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE LER = FP - 33.0 WATTS - 47.0 BF - 0.90 PHOTOMETRY MODEL NO. VRA2G9LP317 Comparative yearly lighting energy cost per 1000 lumens = $7.27 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 10 171 69 67 65 63 62 62 61 60 267 63 60 60 58 56 58 56 55 3