Hussmann IMPACT LNM User manual

B
A
C
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P/N 0402761B
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
Merchandisers
®
LNM
Data Sheet Set
P/N 0402761B
NSF®Certified
April 2005
Item Part # Description Wiring Item #
FAN ASSEMBLIES AND THERMOSTATS
A. 4W Fan Assembly (1)
0392457 Fan Motor, Standard
0409511 Fan Blade, embossing toward motor
B. Optional Adjustable Refrigeration Thermostat (2)
0144732 White Rodgers
0253451 Honeywell
C. 0382028 Defrost Termination Thermostat (3)
Item Part # Description Wiring Item #
HEATERS
D. Nosing Anti-sweat Heaters (4)
0401557 8 foot case
0401558 12 foot case
Note: Changed items have been underlined.

LNM Data Sheet2 of 5 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
45 3/4
(1162)
33 3/8
(848)
Waste Outlet
Right end of case to center
of waste outlet: 8 Foot – 58 1/4; 12 Foot – 72 1/4
Left end of case to center of waste outlet:
8 Foot – 38; 12 Foot – 72 1/4
Back O/S of case to center of waste outlet: 35 7/8
Water Seal
Edge of water seal to center of waste outlet: 11
O/S diameter of drip pipe lines: 1 1/2
Note**: Field installed water seal outlet, tees, and connectors,
are shipped with case.
Refrigeration Outlet
Right end of case to center of R.H. refrigeration outlet: 5 9/16
L.H. refrigeration outlet: 8 Foot – 88 3/8; 12 Foot – 138 7/8
Back O/S of case to center of refrigeration outlets: 33 3/8
Length of Case: 8 Foot – 96 1/4; 12 Foot – 144 1/2
Maximum O/S dimensions of case back to front
(includes bumper): 45 3/4
Back of case to front of splashguard: 41 5/8
Back of case to O/S edge of front skidrail: 32 3/8
Width of skidrail: 2 1/8
Stub-up area (gray) between skidrail
and splashguard: 7 5/8
Electrical Service
Right end of case to center of nearest knockout: 5
Back O/S of case to center of knockout: 39
Note *: Electrical Field Wiring Connection Point
Medium Temperature
Narrow Island Models
Engineering
Plan Views
LNM-12
LNM-8
Electrical
Waste Outlet
Water Seal
5 9/16
(141)
Refrig. Outlet
Skid/External Base
96 1/4
(2446) 88
3/8
(2245)
5
(127)
27/8
(98)
58 1/4
(1478)
(See Note**)
39
(991)
33 3/8
(848)
35 7/8
(911)
45 3/4
(1161)
(See Note*)
32 3/8
(824)
Access Area (Gray)
19 1/4
(489)
41 5/8
(1057)
(See Note*)
144 1/2
(3658)
72 1/4
(1835)
138 7/8
(3527)
Skid /External Base
5
(127)
27/8
(98)
5 9/16
(141)
Refrig. Outlet
Water Seal
Electrical
Waste Outlet
(See Note**)
Access Area (Gray)
19 1/4
(489)
35 7/8
(911)
32 3/8
(823)
41 5/8
(1057)
39
(991)

REFRIGERATION DATA
Note: This data is based on store temperature
and humidity that does not exceed 75°F and
55% R.H.
LNM
Discharge Air (°F) 26
Evaporator (°F) 21
Unit Sizing (°F) 19
Btu/hr/ft* LNM
Parallel 340
Conventional 360
*For all refrigeration equipment other than
Hussmann, use conventional Btu values.
DEFROST DATA
LNM
Frequency (hr) 24
Defrost Water (lb/ft/day) 1.0
(± 15% based on case configuration and product
loading). LNM
GAS OR ELECTRIC Not Recommended
OFFTIME
Temp Term (°F) 43
Failsafe Minutes 90
Standard Defrost Thermostat
Close on rise: close 43°F — open 33°F
CONVENTIONALCONTROLS
LNM
Low Pressure Backup Control
CI/CO ** 12°F /2°F
**Use a Temperature Pressure Chart to
determine PSIG conversions.
Indoor Unit Only, Pressure Defrost
Termination (Temp °F) Not Recommended
PHYSICALDATA
Merchandiser Drip Pipe (in.) 1 1/2
Merchandiser Liquid Line (in.) 3/8
Merchandiser Suction Line (in.) 5/8
Estimated Charge (lb)*** LNM
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. 3 of 5P/N 0402761B
F AN
LNM
32 3/8 (824)
39
(991)
45 3/4 (1161)
41 5/8 (1057)
5
(127)
35 1/2
(902)
321/2
(825)
15
(381)
7 (178)
COIL
ELEVATED 1.5 in.
Effective 04/13/98
19 1/4 (489)
33 3/8 (848)
35 7/8 (911)
Impact LNM
Medium Temperature Food
Single Level Narrow Island Display
Dimensions shown in inches & (mm).
NOTE: The bumpers are 4 inches wide. The center of the top
bumper is 30 inches from the floor and the center of the bottom
bumper is 8 1/4inches from the floor.
NSF Certification
These merchandisers are manufactured to meet ANSI /National
Sanitation Foundation (NSF®) Standard #7 requirements.

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. LNM Data Sheet4 of 5
Impact LNM
Medium Temperature Food
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
Anti-sweat Heaters (on fan circuit)
Nosing Anti-sweat Heaters 0.94 1.40 112 168
Export: 230V 50hz 0.49 0.73 112 168
Cycling Anti-sweat Heaters NA
Export: 230V 50hz NA
Minimum Circuit Ampacity
120V 60Hz Standard 1.76 2.53
120V 50Hz Standard NA
230V 60Hz Export 0.99 1.38
230V 50Hz Export 1.05 1.47
120V 60Hz Energy Efficient 1.42 2.02
230V 60Hz Energy Efficient NA
Maximum Over Current Protection 120V 20 20
Maximum Over Current Protection 230V 15 15
208V 1ΦΦElectric Defrost
120V 60Hz Standard NA
230V 50Hz Export NA
Standard Lighting: None

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. 5 of 5P/N 0402761B
Defrost
Termination
Thermostat
Refrigeration
Thermostat
Dark Blue To
Condensing Unit
}
Light Blue
32
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.
BROWN BAND
Fans
BROWN BAND
Nosing (anti-sweat) Heaters
120V POWER
120V NEUTRAL
1
4
Offtime Defrost – Standard