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Alter Slim SR
Semi-Recessed 2' x 2' - 2' x 4' - 1' x 4'
Ordering Guide
Ordering Guide
Luminaire Type
Length
Width
(Static)
Alter Slim SR
1
24"
24"
Microperforated
24"
24"
Mesh
48"
24"
2
White Lamp Shield,
48"
24"
Static
48"
24"
48"
24"
48"
24"
48"
24"
48"
12"
3
48"
12"
48"
12"
1
2' x 2' Alter Slim SR
23-13/16"(605mm)
23-13/16"(605mm)
TEE-BAR
2
2' x 4' Alter Slim SR
47-13/16" (1214mm)
23-13/16"(605mm)
TEE-BAR
3
1' x 4' Alter Slim SR
47-1/16" (1195mm)
3-9/16"
(90mm)
12"
(305mm)
Recessed Depth
Lamp
Wattage
Qty/Type
2-1/4"
1-TT5
40,50,55W
2-1/4"
2-TT5
40,50,55W
2-1/4"
2-TT5
40,50,55W
2-1/4"
4-TT5
40,50,55W
2-1/4"
2-T5
28W
2-1/4"
3-T5
28W
2-1/4"
2-T5HO
54W
2-1/4"
3-T5HO
54W
3-9/16"
2-TT5
40,50,55W
3-9/16"
2-T5
28W
3-9/16"
2-T5HO
54W
2 Lamp 40 watt TT5
QVH2GPFOS2FT (Data)
0
400
2-1/4"(57mm)
60°
853
1-11/16"(43mm)
0°
30°
4 Lamp 40 watt TT5
QVH2GPFOS4FT (Data)
0
2-1/4"
500
(57mm)
60°
1000
1500
1-11/16"
1854
30°
(43mm)
0°
2 Lamp 28 watt T5
QVH1GPFOS228 (Data)
0
400
60°
5-3/16"
(132mm)
800
1140
1200
0°
30°
▲
For more information on application notes, see p. 20
Catalog
Numbering System
Numbering System
Number
Complete Catalog N
Complete Catalog N
QVH2GPFOS1FT
QVH2GPFOS2FT
QVH2GPFOS2FT
Luminaire
QVH2GPFOS2FL
Basic Catalog
Number:
QVH2GPFOS4FT
Alter
QVH2GPFOS228
Semi-Recessed
QVH2GPFOS328
QVH2GPFOS254
QVH2GPFOS354
*120/277V
QVH1GPFOS2FT
QVH1GPFOS228
QVH1GPFOS254
Request Folio C7651
Coefficient of Utilization
Reference Data
RF
20%
RC
80%
Efficiency
RW
70
50
30
Spacing Ratio
RCR
1
.56
.53
.51
Electronic Ballast
3
.46
.40
.35
5
.39
.32
.27
Input Watts (120V)
7
.33
.25
.20
Ballast Factor
10
.26
.19
.14
Request Folio C8232
Coefficient of Utilization
Reference Data
RF
20%
RC
80%
Efficiency
RW
70
50
30
Spacing Ratio
RCR
1
.54
.51
.49
Electronic Ballast
3
.44
.38
.34
5
.37
.30
.25
Input Watts (120V)
7
.32
.24
.20
Ballast Factor
10
.25
.19
.14
Request Folio CA811
Coefficient of Utilization
Reference Data
RF
20%
RC
80%
Efficiency
RW
70
50
30
Spacing Ratio
RCR
1
.75
.72
.69
Electronic Ballast
3
.62
.55
.50
5
.52
.43
.37
Input Watts (120V)
7
.44
.34
.28
Ballast Factor
10
.34
.25
.19
o
o
using template below
using template below
120
SB
Voltage:
Ballast:
Options:
347
PG: T5/T5HO
Add appropriate
UNV*
Electronic
suffix
Program Start
See p. 18
(<10% THD)
PR: 40W Electronic TT5
Programmed Rapid
Start (<10% THD)
BE: 50W Electronic
TT5 Rapid Start
(<20% THD)
BF: 55W Electronic TT5
Rapid Start
(<10% THD)
DA: Electronic TT5, T5,
T5HO Program Start
(<10% THD) DALI
Digital Addressable
Dimming
VY: 2 lamp 28W T5
Electronic Step-Dim
Programmed Rapid
Start (B.F.=0.95/0.35)
▲
Luminaire Spacing
FC
52.6%
50' x 70' x 8.5' Space
1.5
8' x 8' (64 sq ft/luminaire)
41
8' x 10' (83 sq ft/luminaire) 32
67.0W
12' x 16' x 8.5' Space
0.85
6' x 8' (48 sq ft/luminaire)
33
TT5 lamp rated at 3150 lumens
Luminaire Spacing
FC*
51.1%
50' x 70' x 8.5' Space
1.4
8' x 8' (64 sq ft/luminaire)
80
8' x 10' (83 sq ft/luminaire) 62
129.8W
12' x 16' x 8.5' Space
0.88
6' x 8' (48 sq ft/luminaire)
64
TT5 lamp rated at 3150 lumens
* Use 2-lamp T5 model (QVH2GPFOS228)
2
to reduce light levels and W/FT
▲
Luminaire Spacing
FC
68.5%
50' x 70' x 8.5' Space
1.4
8' x 8' (64 sq ft/luminaire)
45
8' x 10' (83 sq ft/luminaire) 36
66.1W
12' x 16' x 8.5' Space
1.00
6' x 8' (48 sq ft/luminaire)
38
T5 lamp rated at 2600 lumens
Alter Concept
W/Sq FT
1.10
0.85
1.48
▲
W/Sq FT
2.00
1.56
2.70
W/Sq FT
1.02
0.79
1.38
17
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