Hussmann IMPACT LIGH Instruction Manual

B
D
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A
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P/N 0412415_E
Merchandisers
®
LIGH
Technical Data Sheet
P/N 0412415_E
NSF®Certified
February 2007
Item Part # Description Wiring Item #
FAN ASSEMBLIES AND THERMOSTATS
A. 4W Fan Assembly (1)
0392457 Fan Motor, Standard (MO.4410101)
0409511 Fan Blade, embossing toward motor
(FB.0409511)
B. Optional Adjustable Refrigeration Thermostat, (2)
C. 0398557 Defrost Termination Thermostat (3)
(Electric Defrost only) (CT.4440611)
D. 0425304 Heater Switch (4)
(Koolgas Defrost only) (CT.0425304)
HEATERS
E. 0400543 Control-Glass Anti-sweat Heaters
(Export) Defrost Heaters, 208V (5)
(CT.4480905)
F. 0395710 Modular Electric
Defrost Heaters, 208V (6)
(HE.4850463)
Item Part # Description Wiring Item #
HEATERS (CONTINUED)
G. Drip Pan Heaters, Electric 208V (7)
0392413 8 foot case (HE.0392413)
0392414 12 foot case (HE.0392414)
Drip Pan Heaters, Koolgas 120V (8)
0421238 8 foot case (HE.4850496)
0421239 12 foot case (HE.4850497)
H. Nosing Anti-sweat Heaters (9)
0401605 Discharge Nosing 8 foot case
(HE.0401605)
0401606 Discharge Nosing 12 foot case
(HE.4850471)
I. Multiglass-2 Pane, (Anti-sweat Heaters) (10)
0420156 8 foot case (Return) (GL.4985203)
0420157 12 foot case (Return) (GL.4985204)
0420172 8 foot case (Discharge) (GL.4986381)
0420173 12 foot case (Discharge) (GL.4986382)
0420166 L.H. End (GL.4960884)
0420167 R.H. End (GL.4960885)
©2007 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
U.S. & CANADA 1-800-922-1919 • MEXICO 1-800-522-1900 • WWW.HUSSMANN.COM
We reserve the right to change or revise specifications
and product design in connection with any feature of
our products. Such changes do not entitle the buyer to
corresponding changes, improvements, additions or
replacements for equipment previously sold or shipped.
NOTE: Revision E corrects heater data on Page 4.

LIGH Technical Data Sheet2 of 7 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
(See Note*)
5
(127)
27/8
(98)
Water Seal
A
B
C
Waste Outlet
5 9/16
(141)
Refrig. Outlet
Electrical
Front
31 1/8
(1137)
50 1/2
(1282)
47 3/8
(1203)
44 3/4
(1137)
56 3/4
(1440)
52 1/2
(1335)
44
(1115)
Access Area (Gray)
Base Rail
LIGH
Engineering
Plan Views
Dimensions shown as inches & (mm).
8 ft 12 ft
General
(A) Case Length (without ends or partitions) 96 1/4(2445) 144 1/2(3670)
(Each end and insulated partition adds 2 in. (51 mm) to case line up.)
Maximum O/S dimension of case back to front (includes bumper) 56 3/4(1442) 56 3/4(1442)
Back of case to front of splashguard 52 1/2(1334) 52 1/2(1334)
Back of case to O/S edge of front base rail 44 (1118) 44 (1118)
Width of base rail 2 1/8(54) 2 1/8(54)
Stub-up area (gray) between base rail and splashguard 7 5/8 (194) 7 5/8 (194)
Electrical Service (Electrical Field Wiring connection point)
RH End of case to center of nearest knockout 5 (127) 5 (127)
Back O/S of case to center of knockout 50 1/2(1283) 50 1/2(1283)
Waste Outlets
(B) RH End of case to the center of waste outlet 19 3/4 (502) 76 1/2 (1943)
LH End of case to center of waste outlet 38 (965) 76 5/8 (1946)
Back O/S of case to center of waste outlet 47 3/8 (1203) 47 3/8 (1203)
Water Seal
Edge of water seal to center of waste outlet 11 (279) 11 (279)
O/S diameter of drip pipe lines 1 1/2 (38) 1 1/2 (38)
Note*: Field installed water seal outlet, tees and connectors are shipped with case.
Refrigeration Outlet
RH end of case to center of RH refrigeration outlet 5 9/16 (141) 5 9/16 (141)
(C) LH end of case to center of LH refrigeration outlet 88 3/8 (2245) 138 7/8 (3527)
Back O/S of case to center of refrigeration outlet 44 3/4 (1137) 44 3/4 (1137)
Low Temperature
Intermediate Wide
Island Models

3 of 7P/N 0412415_E HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
LIGH
F AN
10
(254)
36
(914)
15
(381)
5
(127)
44 (1115)
52
5/8
(1337)
56 3/4 (1440)
44 3/4 (1137)
47
3/8
(1203)
50
1/2
(1282)
43 1/2
(1105)
COIL
7(178)
31
1/4
(794)
26
(660)
81/4
(210)
Impact LIGH
Frozen Food & Ice Cream
Dimensions shown in inches & (mm).
Single Level Intermediate Island High Front Display, with Glass
NSF Certification
These merchandisers are manufactured to meet ANSI /National
Sanitation Foundation (NSF®) Standard #7 requirements.
REFRIGERATION DATA
Note: This data is based on store temperature
and humidity that does not exceed 75°F and
55% R.H.
FF IC
Discharge Air (°F) –10 –20
Evaporator (°F) –20 –30
Unit Sizing (°F) –23 –33
Btu/hr/ft FF IC
Parallel 465 475
Conventional 480 490
DEFROST DATA
FF IC
Frequency (hr) 24 24
Defrost Water (lb/ft/day) 0.75 0.60
(± 15% based on case configuration and product
loading).
ELECTRIC FF IC
Temp Term (°F) 48°48°
Failsafe (minutes) 60 60
GAS
Duration (minutes) 18 21
OFFTIME Not Recommended
Standard Defrost Thermostat
Close on rise: close 48°F — open 33°F
CONVENTIONAL CONTROLS
Low Pressure Backup Control
FF IC
CI/CO (Temp °F)* –27/–39 –27/–39
Indoor Unit Only, Pressure Defrost
Termination (Temp °F)*
Not Recommended
*Use a Temperature Pressure Chart to determine
PSIG conversions.
PHYSICAL DATA
Merchandiser Drip Pipe (in.) 1 1/4
Merchandiser Liquid Line (in.) 3/8
Merchandiser Suction Line (in.) 7/8
Estimated Charge (lb)**
8 ft 1.7
12 ft 2.6
**This is an average for all refrigerant types.
Actual refrigerant charge may vary by
approximately half a pound.
Length Added to Lineup by:
Each End/Partition (in.) 1 1/2

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. LIGH Technical Data Sheet4 of 7
Impact LIGH
Frozen Food & Ice Cream
Electrical Data
8 ft 12 ft
Number of Fans – 4W 2 3
(Energy Efficient fan motors are not available for End or End-compartment models)
Amperes Watts
8 ft 12 ft 8 ft 12 ft
Evaporator Fans
120V 60Hz Standard 0.62 0.93 48 72
120V 50Hz Standard NA
230V 60Hz Export 0.30 0.45 48 72
230V 50Hz Export 0.36 0.54 54 81
120V 60Hz Energy Efficient 0.28 0.42 20 30
230V 60Hz Energy Efficient NA
Nosing Anti-sweat Heaters (on fan circuit)
120V 60Hz Standard 0.94 1.40 112 168
230V 50Hz Export 0.49 0.73 112 168
Glass Anti-sweat Heaters
120V 60Hz Standard 2.13 3.13 254 376
230V 50Hz Export 1.22 1.80 280 414
Cycling Anti-sweat Heaters
120V 60Hz Standard NA
230V 50Hz Export NA
Minimum Circuit Ampacity
120V 60Hz Standard 3.89 5.66
120V 50Hz Standard NA
230V 60Hz Export
230V 50Hz Export 2.27 3.27
120V 60Hz Energy Efficient 3.55 5.05
230V 60Hz Energy Efficient NA
Maximum Over Current Protection 120V 20 20
Maximum Over Current Protection 230V 15 15
Electric Defrost Heaters
208V 60Hz Standard 9.2 13.8 2300 3450
230V 50Hz Export 10.2 15.2 2820 4220
Koolgas Drip Pan Heaters
120V 60Hz Standard 2.50 3.75 300 450
230V 50Hz Export NA
Standard Lighting: None

5 of 7P/N 0412415_E HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
Red
BROWN BAND
Fans
BROWN BAND
Nosing (anti-sweat) Heater
120V POWER
120V NEUTRAL
208 V Power From Defrost Contactors
L1 L2
Modular Electric Defrost Heaters
Drip Pan Heater
Defrost
Termination
Thermostat
Refrigeration
Thermostat
Dark Blue To
Condensing Unit
}
Light Blue
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers
Grayed components in 12 foot models only.
7
(Field Installed)
Red
6
1
9
32
Electric Defrost – Standard

Gas Defrost – Optional
LIGH Technical Data Sheet6 of 7
BROWN BAND
Fans
BROWN BAND
Nosing (anti-sweat) Heaters
120V POWER
120V NEUTRAL
1
9
Refrigeration
Thermostat
To
Condensing Unit
}
Light Blue
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers
Grayed components in 12 foot models only.
(Field Installed)
2
8
4
Drip Pan Heater
Yellow
Heater Switch
Yellow
120V POWER 120V NEUTRAL
Dark Blue
Dark Blue
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.

Glass Anti-sweat Heaters — Domestic & Export
2 Pane Multiglass
Glass Anti-sweat Heater
White
Red
Black Black
Heater Control
Red
230V
Purple
Purple
W/White
W/White
White
Anti-sweat Heater (Export Only)
LIGH Contour Ends
5
2 Pane Multiglass
Glass Anti-sweat Heater
White
230V
Purple
2 Pane Multiglass
Glass Anti-sweat Heater
Black Black
White
White
Glass Anti-sweat Heater (Export Only)
10
2 Pane Multiglass
Glass Anti-sweat Heater
White
Yellow
120V
Purple
2 Pane Multiglass
Glass Anti-sweat Heater
Purple
Black Black
White
White
Glass Anti-sweat Heater (Domestic)
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers
Grayed components in 12 foot models only.
Purple
120V
White
2 Pane Multiglass
Glass Anti-sweat Heater
White
Black Black
120V
Purple
White
Anti-sweat Heater (Domestic)
LIGH Contour Ends
0400543
Yellow Yellow Yellow
Discharge
Glass
Return
Glass
10
10
10 10
10
Purple
Purple
Purple
Purple
Purple
7 of 7P/N 0412415_E HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM