Lightolier VR PARABOLIC VRA1G8LS232 دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

VR PARABOLIC VRA1G8LS232
Page 1 of 2 1'x4' RECESSED FLUORESCENT, 3" DEEP, 8 CELL (1 ROW) PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN, 2 LAMP T8 OR T12
Features
• 67.0% 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 integral positive light stop.
• Spring loaded latches (self centering).
• Reversible louver hinging.
• Louver has protective dust guard.

ملخص المحتوى في الصفحة رقم 2

VR PARABOLIC VRA1G8LS232 Page 2 of 2 1'x4' RECESSED FLUORESCENT, 3" DEEP, 8 CELL (1 ROW) PARABOLIC LOUVER STATIC OR AIR SUPPLY/RETURN, 2 LAMP T8 OR T12 LER = FP - 57.0 IW - 59.1 BF - 0.88 PHOTOMETRY MODEL NO. VRA1G8LS232120SO Comparative yearly lighting energy cost per 1000 lumens = $4.21 coefficients of utilization — zonal cavity method RF 20 20 20 RC 80 50 30 RW 70 50 30 50 30 10 50 30 10 175 72 70 68 67 65 66 64 63 270 65 62 62 59 57 60 58 56 VRA1G8LS232SO 365 59 55 56 53 50 54 52 49 460 53