Lightolier C4T4GD-MHT4R User Manual

Calculite

®

HID Lensed Downlight C4T4GD-MHT4R

Page 1 of 2 4 1/2" Aperture, T4.5 Ceramic Metal Halide, Glasslite

Ceiling Cutout: 5 1/8” (130 mm) Dia.

For complete fixture order: Trim Kit (Glasslite) + Upper Reflector + Frame-In Kit. Sold Separately

Glasslite Trim Kit + Upper Reflector Frame-In Kit Lamp

C4T4GD + MHT4RS (Spot Upper Reflector)

MHT4RNF (Narrow Flood Upper Reflector)
MHT4RF (Flood Upper Reflector)

C4A20T4E1 Electronic 120V 20W T4.5 Ceramic MH
C4A20T4E2 Electronic 277V 20W T4.5 Ceramic MH
C4A39T4E1 Electronic 120V 39W T4.5 Ceramic MH
C4A39T4E2 Electronic 277V 39W T4.5 Ceramic MH
C4A70T4E1 Electronic 120V 70W T4.5 Ceramic MH
C4A70T4E2 Electronic 277V 70W T4.5 Ceramic MH

Features

1. Upper Reflector: Specular faceted aluminum; select 12° Spot (MHT4RS)

25° Narrow Flood (MHT4RNF) or 40° Flood (MHT4RF); interchangeable.

2. Glasslite Trim Kit: One piece borosilicate etched glass.

3. Lamp Holder: Unitized construction assures proper alignment of lamp

to optics for consistent optical performance.

4. Socket Housing: Galvanized steel, pre-wired with G8.5 pulse rated socket.
Snaps onto yoke for secure attachment without tools; unitized construction
assures proper alignment of lamp to optics for consistent optical
performance.

5. Frame Housing: Steel, 0.029" (22-Ga.), matte black finish. Removable cover
for top re-lamping.

6. Frame Vertical Adjustment Mechanism: Accommodates mounting to
virtually any ceiling system using pre-installed mounting bars, or 1/2" EMT
tubing (by others). Single locking feature secures all adjustments. Alignment
holes and markings allow fixture to be pre-set prior to installation. Final
adjustment can be made from below from inside fixture.

7. Mounting Bars: Galvanized steel, 0.048" (18-ga.), pre-installed telescoping
bars extend to 30" long and lock securely into position. Built-in locking tabs
provide positive attachment to common T-bar systems. Self-centering feature
simplifies installation in 24" O.C. grid systems. Attaches to steel or wood
joists without accessories.

8. Retention Springs: Rust resistant springs secure trim for quick, tool-less
installation.

9. Ballast / Cover Assembly: Accessible from below and removable without
tools for inspection and ballast replacement .

10. Junction Box: 0.059" (16-ga.) galvanized steel. UL listed for 8 No. 12 AWG,
90° C through branch circuit conductors. Allows inspection from below.

11. Optional Accessory Holder: Catalog # CAH4 Sold separately; die-formed
steel, matte black finish, slide-in installation. Accepts up to two 3 3/4" dia.
media.

12. Thermal Protector: (Not Shown) Meets NEC and UL requirements. Do not
install insulation above nor within 3" (76mm) of any part of the luminaire.

Electrical

Electronic Ballast: 120V or 277V, 50/60 Hz., encased, high power factor, T.H.D.

<15%, thermally and transient protected, RMI/RFI complies with FCC Part 18
non-consumer limits, shut-down circuit at end of lamp life, sound rating “A”,

-5° F minimum starting temperature, Type 1 Outdoor rating.

Ballast ANSI Code Voltage Max. Amps Input Watts

20W MH M156 120/277 0.21/0.10 23
39W MH M130 120/277 0.39/0.17 44
70W MH M139 120/277 0.67/0.29 78

Options and Accessories

Chicago Plenum: Consult Factory.

Labels

UL (Suitable for Wet Locations), CSA, I.B.E.W.

Job Information Type:

Job Name:
Cat. No.:

Lamp(s):
Notes:

Lightolier a Genlyte Thomas Company www.lightolier.com

631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2004 Genlyte Thomas Group LLC (Lightolier Division) • AO5O4

Calculite

®

HID Lensed Downlight C4T4GD-MHT4R

Page 2 of 2 4 1/2" Aperture, T4.5 Ceramic Metal Halide, Glasslite

39W T4.5 CERAMIC MH, NARROW FLOOD UPPER REFLECTOR, PHILIPS, LUMEN RATING = 3400 LMS., AROMAT ELECTRONIC BALLAST

ANGLE MEAN CP LUMENS

0 8996
5 7584

60°

30°

10 4322
15 2225
20 1047
25 452
30 169
35 81
40 53
45 39
50 32
55 26
60 20
65 12
70 7
75 5
80 3
85 0
90 0

2,250

4,500

6,750

9,000

** EFFICIENCY = 46.7% ** CERTIFIED TEST REPORT NO. 18678FR, DATE: APRIL 2, 2004.
SC = .3 COMPUTED BY LSI PROGRAM **TEST-LITE**

LUMINANCE SUMMARY - CD. / SQ. M.

ANGLE MEAN CD/SQ M

45 7690
55 6459
65 3966
75 2612
85 0

ZONAL LUMENS AND PERCENTAGES

ZONE LUMENS % LAMP %LUMINAIRE

0-30 1459 42.92 91.95
0-40 1515 44.58 95.5
0-60 1569 46.16 98.88

0-90 1587 46.68 100
40-90 71 2.1 4.5
60-90 17 0.52 1.12

90-180 0 0 0

0-180 1587 46.68 100

CEILING 80% 70% 50% 30%

Coefficients of Utilization

WALL 70 50 30 10 50 10 50 10 50 10 0

Zonal Cavity Method - Effective Floor Cavity Reflectance = 20%

RCR

0 .56 .56 .56 .56 .54 .54 .52 .52 .50 .50 .47
1 .54 .53 .52 .51 .52 .51 .50 .49 .48 .48 .46
2 .52 .51 .50 .49 .50 .48 .49 .47 .47 .46 .44
3 .51 .49 .48 .47 .48 .46 .47 .46 .46 .45 .44
4 .50 .48 .46 .45 .47 .45 .46 .44 .45 .44 .43
5 .49 .46 .45 .43 .46 .43 .45 .43 .44 .42 .42
6 .48 .45 .43 .42 .45 .42 .44 .42 .44 .42 .41
7 .46 .44 .42 .41 .44 .41 .43 .41 .43 .41 .40
8 .46 .43 .41 .40 .43 .40 .42 .40 .42 .40 .39
9 .45 .42 .41 .39 .42 .39 .42 .39 .41 .39 .39
10 .44 .41 .40 .38 .41 .38 .41 .38 .40 .38 .38

LUMINAIRE INPUT WATTS = 44

70W T4.5 CERAMIC MH, NARROW FLOOD UPPER REFLECTOR, PHILIPS, LUMEN RATING = 6200 LMS., AROMAT ELECTRONIC BALLAST

ANGLE MEAN CP LUMENS

0 13659
5 11121 915

3,750

7,500

11,250

15,000

** EFFICIENCY = 42.4% ** CERTIFIED TEST REPORT NO.18753FR, DATE: APRIL 2, 2004.
SC = .3 COMPUTED BY LSI PROGRAM **TEST-LITE**

10 6556
15 3509 990
20 1859

60°

25 942 441
30 400
35 177 125
40 105
45 78 62
50 65
55 55 49
60 43
65 29 30
70 20
75 11 12
80 6
85 1 2

30°

90 0

LUMINANCE SUMMARY - CD. / SQ. M.

ANGLE MEAN CD/SQ M

45 15547
55 13566
65 9819
75 6013
85 2289

ZONAL LUMENS AND PERCENTAGES

ZONE LUMENS % LAMP %LUMINAIRE

0-30 2346 37.85 89.35

0-40 2471 39.87 94.11

0-60 2582 41.65 98.32

0-90 2626 42.36 100
40-90 154 2.49 5.89
60-90 44 0.71 1.68

90-180 0 0 0

0-180 2626 42.36 100

CEILING 80% 70% 50% 30%

Coefficients of Utilization

WALL 70 50 30 10 50 10 50 10 50 10 0

Zonal Cavity Method - Effective Floor Cavity Reflectance = 20%

RCR

0 .50 .50 .50 .50 .49 .49 .47 .47 .45 .45 .42
1 .49 .48 .47 .46 .47 .46 .45 .44 .44 .43 .41
2 .47 .46 .45 .44 .45 .43 .44 .42 .43 .41 .40
3 .46 .44 .43 .42 .44 .41 .43 .41 .42 .40 .39
4 .45 .43 .41 .40 .42 .40 .41 .39 .41 .39 .38
5 .44 .41 .40 .39 .41 .38 .40 .38 .40 .38 .37
6 .43 .40 .39 .37 .40 .37 .39 .37 .39 .37 .36
7 .41 .39 .37 .36 .39 .36 .38 .36 .38 .36 .35
8 .41 .38 .36 .35 .38 .35 .37 .35 .37 .35 .34
9 .40 .37 .36 .34 .37 .34 .37 .34 .36 .34 .34
10 .39 .36 .35 .34 .36 .34 .36 .34 .36 .33 .33

LUMINAIRE INPUT WATTS = 78

39W T4.5 CERAMIC MH, FLOOD UPPER REFLECTOR, PHILIPS, LUMEN RATING = 3400 LMS. AROMAT ELECTRONIC BALLAST

ANGLE MEAN CP LUMENS

0 1992
5 1944 184

500

1,000

1,500

2,000

** EFFICIENCY = 33.1% ** CERTIFIED TEST REPORT NO.18679FR, DATE: APRIL 2, 2004.
SC = .7 COMPUTED BY LSI PROGRAM **TEST-LITE**

10 1822
15 1660 444
20 1226

60°

25 706 322
30 315
35 139 95
40 66
45 36 31
50 30
55 26 23
60 21
65 16 16
70 11
75 7 8
80 4
85 1 2

30°

90 0

LUMINANCE SUMMARY - CD. / SQ. M.

ANGLE MEAN CD/SQ M

45 7192
55 6459
65 5333
75 3973
85 2101

ZONAL LUMENS AND PERCENTAGES

ZONE LUMENS % LAMP %LUMINAIRE

0-30 949 27.94 84.42

0-40 1045 30.74 92.9

0-60 1099 32.34 97.74

0-90 1125 33.09 100

40-90 79 2.35 7.1
60-90 25 0.75 2.26

90-180 0 0 0

0-180 1125 33.09 100

CEILING 80% 70% 50% 30%

Coefficients of Utilization

WALL 70 50 30 10 50 10 50 10 50 10 0

Zonal Cavity Method - Effective Floor Cavity Reflectance = 20%

RCR

0 .39 .39 .39 .39 .37 .38 .38 .38 .35 .35 .33
1 .38 .37 .37 .36 .35 .37 .37 .35 .34 .33 .32
2 .37 .35 .34 .33 .33 .36 .35 .33 .33 .32 .30
3 .35 .34 .33 .31 .32 .35 .33 .31 .32 .30 .29
4 .34 .32 .31 .30 .30 .34 .32 .30 .31 .29 .28
5 .33 .31 .30 .28 .29 .33 .31 .28 .30 .28 .27
6 .32 .30 .28 .27 .28 .32 .30 .27 .29 .27 .26
7 .31 .29 .27 .26 .27 .31 .29 .26 .28 .26 .25
8 .30 .28 .26 .25 .26 .30 .27 .25 .27 .25 .25
9 .29 .27 .25 .24 .25 .29 .27 .24 .26 .24 .24
10 .28 .26 .24 .23 .24 .28 .26 .23 .25 .23 .23

LUMINAIRE INPUT WATTS = 44

70W T4.5 CERAMIC MH, FLOOD UPPER REFLECTOR, PHILIPS, LUMEN RATING = 6200 LMS., AROMAT ELECTRONIC BALLAST

ANGLE MEAN CP LUMENS

0 3172
5 3144 303

750

1,500

2,250

3,000

** EFFICIENCY = 32.6% ** CERTIFIED TEST REPORT NO.18755FR, DATE: APRIL 2, 2004.
SC = .7 COMPUTED BY LSI PROGRAM **TEST-LITE**

10 3054
15 2810 763
20 2215

60°

25 1361 618
30 668
35 279 194
40 125
45 67 57
50 55
55 47 42
60 39
65 29 29
70 20
75 13 14
80 8
85 3 3

30°

90 0

LUMINANCE SUMMARY - CD. / SQ. M.

ANGLE MEAN CD/SQ M

45 13385
55 11655
65 9620
75 7313
85 4282

ZONAL LUMENS AND PERCENTAGES

ZONE LUMENS % LAMP %LUMINAIRE

0-30 1684 27.16 83.2

0-40 1878 30.29 92.79

0-60 1977 31.9 97.71

0-90 2024 32.65 100
40-90 145 2.35 7.21
60-90 46 0.75 2.29

90-180 0 0 0

0-180 2024 32.65 100

CEILING 80% 70% 50% 30%

Coefficients of Utilization

WALL 70 50 30 10 50 10 50 10 50 10 0

Zonal Cavity Method - Effective Floor Cavity Reflectance = 20%

RCR

0 .39 .39 .39 .39 .38 .38 .36 .36 .35 .35 .33
1 .37 .37 .36 .35 .36 .35 .35 .34 .33 .33 .31
2 .36 .35 .34 .33 .34 .32 .33 .32 .32 .31 .30
3 .35 .33 .32 .31 .33 .31 .32 .30 .31 .30 .29
4 .34 .32 .30 .29 .31 .29 .31 .29 .30 .29 .28
5 .32 .30 .29 .28 .30 .28 .30 .28 .29 .27 .27
6 .31 .29 .28 .27 .29 .27 .29 .27 .28 .26 .26
7 .30 .28 .27 .26 .28 .25 .27 .25 .27 .25 .25
8 .29 .27 .26 .25 .27 .24 .27 .24 .26 .24 .24
9 .28 .26 .25 .24 .26 .24 .26 .23 .25 .23 .23
10 .28 .25 .24 .23 .25 .23 .25 .23 .25 .23 .22

LUMINAIRE INPUT WATTS = 78

Job Information Type:

Lightolier a Genlyte Thomas Company www.lightolier.com

631 Airport Road, Fall River, MA 02720 • [phone] • Fax [phone]
We reserve the right to change details of design, materials and finish.
© 2004 Genlyte Thomas Group LLC (Lightolier Division) • A0504