Hussmann IMPACT Excel C2NX-LE Instruction Manual

P/N 0486793_C
B
E
C
F
E
F
A
F
D
G
H
C2NX-LE
Technical Data Sheet
P/N 0486793_C
NSF®Certified
March 2008
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.
Item Part # Description Wiring Item #
FAN ASSEMBLIES
4 Ft, 8 Ft & 12 Ft
A. 7W Standard Fan Assembly (1)
0058698 Fan Motor, Evaporator
(MO.4410102)
0142780 Fan Blade (FB.0142780)
7W Energy Efficient Fan Assembly (1)
0477654 Fan Motor, Evaporator
(MO.4410545)
0142780 Fan Blade (FB.0142780)
6 Ft Only
A. 4W Standard Fan Assembly (1)
0392457 Fan Motor, Evaporator
(MO.4410101)
0382383 Fan Blade (FB.4780617)
4W Energy Efficient Fan Assembly (1)
0477653 Fan Motor, Evaporator
(MO.4410544)
0382383 Fan Blade (FB.4780617)
THERMOSTATS
B. 0411744 Standard Non-adjustable (2)
Defrost Thermostat
(CT.0411744)
Item Part # Description Wiring Item #
THERMOSTATS (CONTINUED)
C. Optional Adjustable Refrigeration Thermostat (3)
HEATERS
D. Canopy Anti-Sweat Heater (4)
0488621 4 ft (HE.4850616)
0488622 6 ft (HE.4850617)
0488623 8 ft (HE.4850618)
0488624 12 ft (HE.4850619)
LAMPS. BALLASTS, LED FIXTURES AND POWER SUPPLY
E. Ballast, Electronic (5)
0480130 2 lamps (BA.4481676)
0480131 3 lamps (BA.4481654)
0480132 4 lamps (BA.4481677)
F. Fluorescent Lamp (6)
Replace with like fixtures
G. 0501213 Power Supply (EP.4481861) (7)
H. LED Fixture (8)
Replace with like fixtures
©2008 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
U.S. & CANADA 1-800-922-1919 • MEXICO 1-800-522-1900 • WWW.HUSSMANN.COM
Note: Revision C adds optional LED lighting (Pages 1, 3, 4, 8); adds capacity and weight (Page 5).

2 of 10 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. C2NX-LE Technical Data Sheet
Engineering
Plan Views
Dimensions shown as inches and (mm).
Dairy/Delicatessen
Precut & Packaged Produce
01-2005
Wireway
26 3/4
(680)
25 1/4
(641)
37
(940)
A
41 1/2
(1054)
28 1/2
(724)
3 In.
(77 mm)
Required
Air Gap
Refrigeration
Outlet
Waste Outlet
Waste Outlet
FRONT
4 3/4 (120)
21 1/4
(540)
D
C
8(203)
12 1/8 (307)
4 1/4 (108)
41 1/2
(1054)
43 7/8
(1114)
B
Splashguard
19
(483)
NOTE: Case-to-Case Electrical Connections
are made IN FRONT OF SPLASHGUARD.
Electrical
Stub Up Area
6 x 6
(152x152)
Electrical
Field
Connection
26 1/2
(673)
4 3/4 (120)
4 1/2 (115)
C2NX
4 ft 6 ft 8 ft 12 ft
General
(A) Case Length (without ends or partitions) 48 3/8(1229) 72 3/8(1838) 96 3/8(2448) 144 1/2(3670)
(Each end and insulated partition adds 1 1/2 in. (38 mm) to case line up.)
Maximum O/S dimension of case back to front
(includes bumper) 37 (940) 37 (940) 37 (940) 37 (940)
Back of case to front of splashguard 28 1/2 (724) 28 1/2 (724) 28 1/2 (724) 28 1/2 (724)
Back of case to O/S edge of front leg 25 1/4 (641) 25 1/4 (641) 25 1/4 (641) 25 1/4 (641)
Distance between edges of external legs and center legs NA 29 1/2 (750) 41 1/2 (1054) 41 1/2 (1054)
Distance between edges of center legs NA NA NA 43 7/8 (1114)
Distance between front legs and splashguard 2 3/4(70) 2 3/4(70) 2 3/4(70) 2 3/4(70)
Electrical Service (Electrical Field Wiring connection point)
(B) RH End of case to center of stub up area 36 1/4 (921) 60 1/4 (1530) 84 1/4 (2140) 132 3/8 (3363)
Back of case to center of stub up area 19 (483) 19 (483) 19 (483) 19 (483)
Length of electrical wireway 26 1/2 (673) 26 1/2 (673) 26 1/2 (673) 26 1/2 (673)
(C) RH End of case to LH end of wireway 42 1/8 (1070) 66 1/8 (1680) 90 1/8 (2289) 138 1/4 (3511)
Waste Outlets (One each end)
(D) RH End of case to the center of LH waste outlet 36 1/4 (921) 60 1/4 (1530) 84 1/4 (2140) 132 3/8 (3363)
RH End of case to the center of RH waste outlet 12 1/8 (307) 12 1/8 (307) 12 1/8 (307) 12 1/8 (307)
Back O/S of case to center of waste outlets 26 3/4 (680) 26 3/4 (680) 26 3/4 (680) 26 3/4 (680)
Schedule 40 PVC drip pipe 1 1/4 (32) 1 1/4 (32) 1 1/4 (32) 1 1/4 (32)
Refrigeration Outlet
Back of case to center of refrigeration outlet 21 1/4 (540) 21 1/4 (540) 21 1/4 (540) 21 1/4 (540)
RH end of case to center of refrigeration outlet 8 (203) 8 (203) 8 (203) 8 (203)
PHYSICAL DATA
Merchandiser Drip Pipe (in.) 1 1/4
Merchandiser Liquid Line (in.) 3/8
Merchandiser Suction Line (in.) 7/8
Wireway

REFRIGERATION DATA
Note: This data is based on store temperature and
humidity that does not exceed 75°F and 55% R.H.
C2NX-LE
Discharge Air °F 27
Evaporator °F 21
Unit Sizing °F 19
Btu/hr/ft — Unlit Shelves
C2NX-LE‡‡ Parallel Conventional
UNLIT 1030 1125
‡‡ Add 10 Btu/hr/ft per shelf row for LED fixtures.
Add 20 Btu/hr/ft per shelf row for fluorescent lamps.
DEFROST DATA
C2NX-LE
Frequency (hr) 6
Defrost Water (lb/ft/day) 6
(±15% based on case configuration and
product loading.
OFFTIME C2NX-LE
Temp Term °F 48°F
Failsafe Minutes 30
ELECTRIC OR GAS Not Recommended
Standard Defrost Thermostat
Close on rise: close 48°F – open 33°F
CONVENTIONAL CONTROLS
Low Pressure Backup Control
C2NX-LE
CI/CO* 14°F / 4°F
Indoor Unit Only, Pressure Defrost
Termination* 48°F
*Use a Temperature Pressure Chart to determine
PSIG conversions.
Estimated Charge (lb)** C2NX-LE
4 ft 1.2
6 ft 1.6
8 ft 2.3
12 ft 3.3
**This is an average for all refrigerant types. Actual
refrigerant charge may vary by approximately half a
pound.
Dimensions shown as inches and (mm).
P/N 0486793_C 3 of 10
48 5/8
(1235)
Refrigeration
Outlet
26 3/4 (680)
4 3/4 (120)
25 1/4 (641)
37 (940)
28 1/2 (724)
21 1/4 (540)
C2NX-LE
25 1/4
(641)
18 1/2
(470)
FAN
C
O
I
L
17 1/4
(438)
3 In. (77 mm)
Required
Air Gap
19 5/8
(500)
Electrical
Case to Case
Connections
12 1/4
(311)
3 5/8
(92)
29 3/4
(755) 23 1/2
(596)
3 3/4 (95)
4 7/8 (123)
Impact Excel C2NX-LE
Dairy/Delicatessen
Precut & Packaged Produce
Multi-deck, 3 Display Levels, Low Front, 48 In. Back,
Narrow Footprint
NSF Certification
This merchandiser model is manufactured to meet ANSI/NSF
(National Sanitation Foundation) Standard #7 requirements for
construction, materials & cleanability.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
See Page 9 for
shelf arrangement.

4 of 10 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. C2NX-LE Technical Data Sheet
Electrical Data
4 ft 6 ft 8 ft 12 ft
Number of Fans—7W 1 — 2 3
Number of Fans—4W — 2 — —
Amperes Watts
4 ft 6 ft 8 ft 12 ft 4 ft 6 ft 8 ft 12 ft
Evaporator Fan
120V 60Hz Standard 0.50 0.62 1.00 1.50 39 48 78 117
120V 50Hz Standard 0.55 0.76 1.10 1.65 42 54 84 126
230V 60Hz Export 0.25 0.30 0.50 0.75 39 48 78 117
230V 50Hz Export 0.28 0.36 0.56 0.84 42 54 84 126
120V 60Hz Energy Efficient 0.19 0.24 0.38 0.57 14 16 28 42
230V 60Hz Energy Efficient 0.10 0.12 0.20 0.30 14 16 28 42
Minimum Circuit Ampacity †
120V 60Hz Standard 0.70 0.82 1.20 1.70
120V 50Hz Standard 0.75 0.96 1.30 1.85
230V 60Hz Export 0.45 0.50 0.70 0.95
230V 50Hz Export 0.48 0.56 0.76 1.04
120V 60Hz Energy Efficient 0.39 0.44 0.58 0.77
230V 60Hz Energy Efficient 0.30 0.32 0.40 0.50
Maximum Over Current Protection 120V 20 20 20 20
Maximum Over Current Protection 230V 15 15 15 15
Anti-sweat Heaters
120V 50/60Hz Standard 0.10 0.15 0.20 0.30 12 18 24 36
Standard Lighting (T-8 Fluorescent)
1 Row Canopy 0.26 0.51 0.51 0.77 30 59 59 85
Optional Lighting (T-8 Fluorescent)
Additional 1 Row Canopy 0.26 0.51 0.51 0.77 30 59 59 85
1 Row Rail Light 0.26 0.51 0.51 0.77 30 59 59 85
Optional Shelf Lighting (T-8 Fluorescent)
2 Rows of Shelves 0.51 1.02 1.02 1.54 59 118 118 170
Optional Always*Bright LED Lighting
2 Row of Shelves 0.26 0.34 0.47 0.67 31 41 56 80
120V Lighting Circuit Total = Standard Lighting + Total Optional Lighting + Optional Shelf Lighting
230V Lighting Circuit Total = Multiply 120V Lighting Circuit Total by 0.52
† MCA does not include Canopy A/S Heaters because heaters are wired separately from fans.
Impact Excel C2NX-LE
Dairy/Delicatessen
Precut & Packaged Produce

5 of 10
P/N 0486793_C HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
Impact Excel C2NX-LE
Dairy/Delicatessen
Precut & Packaged Produce
ESTIMATED SHIPPING WEIGHT 5
Case Solid End
4 ft 6 ft 8 ft 12 ft (each)
lb (kg) 600 (272) 800 (363) 1000 (454) 1200 (544) 75 (34)
5Actual weights will vary according to optional kits included.
Product Data
ARI Refrigerated Volume 1 (Cu Ft/Ft) 2.55 ft3/ft (0.24 m3/m)
Recommended Usable Cube 2 (Cu Ft/Ft) 2.56 ft3 /ft (0.24 m3 /m)
ARI Total Display Area 3 (Sq Ft/Ft) 2.80 ft2/ft (0.85 m2 /m)
Shelf Area 4(Sq Ft/Ft) 4.29 ft2/ft (1.31 m2 /m)
1Computed using ARI 1200 standard methodology: Refrigerated Volume, ft3[m3]/Unit of Length, ft [m]
2ARI Refrigerated Volume less shelving and other unusable space: Refrigerated Volume/Unit of Length, ft3/ft [m3/m]
3Computed using ARI 1200 standard methodology: Total Display Area, ft2[m2]/Unit of Length, ft [m]
4Shelf surface area is composed of bottom deck plus standard shelf complement, as shown in the Hussmann
Product Reference Guide. The standard shelf complement for this model is (1) row of 12-inch shelf and
(1) row of 14-inch shelf.eparately from fans.

6 of 10 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. C2NX-LE Technical Data Sheet
Defrost
Termination
Thermostat
Refrigeration
Thermostat
Dark Blue
3
To
Condensing
Unit
}
Light Blue
2
1, 2 & 3 Fans
120V NEUTRAL
BROWN BAND
120V POWER
Fans 1
BROWN BAND
1 Fan
2 Fans
2 Fans
3 Fans
4 ft
6 ft
8 ft
12 ft
12 ft
6
6
5
5
6
6
6
6
Optional
Two Row
Canopy
Connector
BL BL
W
G
R
BL
W
R
RR
BL
BL
R
BL
R
RR
B
B
Orange or Tan Band
Standard Lighting 1 Row Canopy
Optional Lighting 2 Row Canopy
6
566
Connector
W
B
BL
BL
R
BL
R
RR
Optional Lighting 1 Row Rail
B
4 ft 6 ft or 8 ft 12 ft
4 ft 6 ft or 8 ft 12 ft
R = Red Y = Yellow G = Green BL = Blue B = Black W = White
= 120V POWER = 120V NEUTRAL = FIELD GROUND
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
CIRCLED NUMBERS = PARTS LIST ITEM NUMBERS
= CASE GROUND
Fan Wiring
Offtime Defrost
Light Circuits

7 of 10
P/N 0486793_C HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
6
5
6
B
W
R
R
W
BL
BL
R
B
BL
BL
R
R = Red Y = Yellow G = Green BL = Blue B = Black W = White
= 120V POWER = 120V NEUTRAL = FIELD GROUND
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
CIRCLED NUMBERS = PARTS LIST ITEM NUMBERS
= CASE GROUND
Optional Shelf Harness and Light Circuits for
Two Rows of Shelves
4 ft case
Connector
6
5
6
B
W
Connector
6 ft or 8 ft case
12 ft case
R
R
W
BL
BL
R
B
BL
BL
R
6
5
6
B
W
R
R
W
BL
BL
R
B
BL
BL
R
Purple BAND 4
120V Power
Purple BAND
120V Neutral
Anti-Sweat Heater
Canopy Anti-Sweat
Heater
Optional Shelf Lighting
Fluorescent Fixtures

8 of 10 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. C2NX-LE Technical Data Sheet
4 ft case
6 ft or 8 ft case
12 ft case
R
BL
R
BL 8
8
RBL
7
B
W
W
BL
R
G
Connector
Connector
B
W
B
W
B
W
R
BL
R
BL 8
8
R
BL
R
BL
R
BL 8
8
RBL
R
BL
BL
BL
(TYP)
Shelf Light
Plug & Receptacle
R = Red G = Green BL = Blue B = Black W = White
= 120V POWER = 120V NEUTRAL = FIELD GROUND
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
CIRCLED NUMBERS = PARTS LIST ITEM NUMBERS
= CASE GROUND
Optional Shelf Harness and LED Light Circuits for
Two Rows of Shelves
R
R
B
Optional Shelf Lighting
LED Fixtures

9 of 10
P/N 0486793_C HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
Top Eight (8)
Shelf Hole
Locations
18 in.
18 in.
14 in.
12 in.
Angle
Maximum
Shelf
Size
18 in.
Do NOT load
PRODUCT
above
this line
SHELF CONFIGURATION
This merchandiser is designed for
one or two shelves.
The depth of the shelf used in the
top eight (8) shelf hole locations
is critical to case performance.
If a shelf is placed in one of the
top eight (8) locations it must
comply with the angle/depth
requirements listed below.
Maximum Shelf
Shelf Angle Depth
0 º 12 in.
15 º 14 in.
or less
30 º 18 in.
or less
45 º 18 in.
or less
NOTE: Shelves placed in the
lower positions may be up to
18 in. deep when positioned
at a 0 º angle.
Impact Excel C2NX-LE
Dairy/Delicatessen
Precut & Packaged Produce

10 of 10 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. C2NX-LE Technical Data Sheet
Impact
Excel C2NX-LE
Dairy/Delicatessen
Precut & Packaged Produce
Remove Screws
Light Channel
Light Channel
Hinge
Ballast
Light
Channel
Foil-covered
Anti-sweat
Heater
Canopy
Canopy
Anti-Sweat Heater Wires
with Purple Markers
Electrical Wireway
The ballast for the canopy and shelf lamps is
located behind the canopy on the left-hand end
(when facing case) of the merchandiser.
To access the ballast:
1. Remove screws at bottom edge of canopy and
rear of light channel.
2. Lower light channel which will pivot on hinge.
3. Service or replace ballasts as required.
4. Reassemble items as they were originally
installed.
NOTE: Rail lamp ballast is located in the
electrical raceway.
CANOPY ANTI-SWEAT HEATER
The canopy anti-sweat heater location is shown
below. Connections are in the electrical wireway.