Lightolier VR PARABOLIC VRA1G12LS132 دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

VR PARABOLIC VRA1G12LS132
Page 1 of 2 1'x4' RECESSED FLUORESCENT, 3" DEEP, 12 CELL (1 ROW) PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN, 2 LAMP T8 OR T12
Features
• 60.3% efficient (T8).
• 1.4 spacing mounting ratio.
• Semi-specular low iridescence pre-anodized louver.
• Vertical grain on louver eliminates reflected lamp image on cross
baffle.
• Louver frame with integrated positive light stop.
• Spring loaded latches (self centering).
• Reversible louver hinging.
• Louver has protective dust gu

ملخص المحتوى في الصفحة رقم 2

VR PARABOLIC VRA1G12LS132 Page 2 of 2 1'x4' RECESSED FLUORESCENT, 3" DEEP, 12 CELL (1 ROW) PARABOLIC LOUVER STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE LER = FP - 50.1 IW - 30.6 BF - 0.88 PHOTOMETRY MODEL NO. VRA1G12LS132120SO Comparative yearly lighting energy cost per 1000 lumens = $4.80 coefficients of utilization — zonal cavity method RF 20 20 20 RC 80 50 30 RW 70 50 30 50 30 10 50 30 10 169 67 65 63 61 60 61 59 58 264 61 58 58 55 53 56 54 52 360 55 51 52 49 47 51 48 46 456 50