Hussmann IMPACT CW2U-GE Instruction Manual

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
B
F
E
A
D
H
G
H
C
C
P/N 0406659B
Merchandisers
®
Note: Changed items have been underlined.
Item Part # Description Wiring Item #
FAN ASSEMBLIES AND THERMOSTATS
A. 6W Parent Fan Assembly (1)
0058698 Fan Motor, Standard
0142780 Fan Blade
embossing toward motor
B. 9W End Compartment Fan Assembly (2)
0441479 Fan Motor, Standard
0377253 Fan Blade
embossing away from motor
C. 0398558 Standard Non-Adjustable (3)
Defrost Thermostat
D. 0144732 Optional Adjustable (4)
Refrigeration Thermostat
Item Part # Description Wiring Item #
LAMPS AND BALLASTS
E. 0376409 Ballast, Electronic
2 lamps (5)
E. 0376410 Ballast, Electronic
3 lamps (5)
F. 0135966 Ballast, Electronic (6)
1 lamp
(End Compartment)
G. 0039764 Lamp Starter (7)
H. Fluorescent Lamp (8)
Replace with like fixtures
CW2U-GE
Technical Data Sheet
P/N 0406659B
NSF®Certified
April 2006

CW2U-GE Technical Data Sheet2 of 7
90 in. 138 in.
General
(A) Case Length (without ends or partitions) 89 (2261) 137 (3480)
Maximum O/S dimension of case front to rear (includes bumper) 81 1/2(2070) 81 1/2(2070)
(B) End of case to end of compartment 48 1/4 (1226) 96 1/4 (1478)
Length of the end compartment 40 3/4 (1035) 40 3/4 (1035)
Front of splashguard to O/S edge of base rail 8 1/2 (216) 8 1/2 (216)
Front edge of case to O/S edge of base rail 12 5/8 (321) 12 5/8 (321)
Rear of case to O/S edge of front base rail 68 7/8 (1749) 68 7/8 (1749)
Width of base rail 2 1/8 (54) 2 1/8 (54)
Stub-up area between front base rail and splashguard 7 1/4 (184) 7 1/4 (184)
Electrical Service
Note: Electrical Field Wiring connection point
Center of Electrical service to O/S edge of front base rail 7 (178) 7 (178)
Right end of case to center of knockout 5 (127) 5 (127)
Length of electrical raceway 32 5/8 (827) 32 5/8 (827)
Waste Outlet
(C) LH End of case to the center of rear waste outlet 10 1/8 (968) 58 3/16 (1945)
Center of waste outlet to O/S edge of rear base rail 3 7/8 (98) 3 7/8 (98)
Left end of case to center of front waste outlet 38 1/8 (968) 38 1/8 (968)
Right edge of end compartment to center of waste outlet 32 (813) 32 (813)
Rear edge of end compartment to center of waste outlet 38 5/8 (981) 38 5/8 (981)
Water Seal
Edge of water seal to center of waste outlet 4 (102) 4 (102)
RH end of case to center of rear waste outlet 38 1/8 (968) 38 1/8 (968)
Outside diameter of the drip pipe lines 1 1/4 (32) 1 1/4 (23)
Water seal outlet must clear front skid rail.
Refrigeration Outlet
RH & LH end of case to center of refrigeration outlets 5 1/2 (141) 5 1/2 (141)
Center of refrigeration outlet to O/S edge of front base rail 1 3/8 (35) 1 3/8 (35)
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
CW2U-90GE
C
L
Base Rail
Refrig. Outlet
Front
(See Note)
Access Area
CW2U-90XGE
10 1/8
(257)
89
(2261)
38 1/8
(968) 5 5/8
(142)
40 3/4
(1035)
32
(813)
38 5/8
(981)
38 1/8
(968)
5
(127)
Waste Outlet
& Water Seal
81 1/2
(2070)
68 7/8
(1749)
12 5/8
(321)
8 1/2
(216)
1 3/8
(35)
3 7/8
(98)
7
(
178
)
29 1/2
(749)
28 1/2
(724)
Unitized
Convertible Island
05-2003
Engineering
Plan Views
Dimensions shown as inches and (mm).

P/N 0406659B 3 of 7
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
Front of
Case
FAN
FAN COIL COIL
C
L
16 in. Shelf
12 in. Shelf
25 1/2
(648)
24 1/8
(613)
32
(813)
6 3/8
(162)
48
(1219)
7
(178) 3 7/8
(98) 1 3/8
(35) 8 1/2
(216)
12 5/8
(321)
68 7/8
(1749) 81 1/2
(2070)
5
(127)
26
(660)
5 (127)
21
(533)
9 (229)
Dimensions shown as inches and (mm).
Unitized Convertible Island, 2 Display Levels
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.
CW2U CW2U
90GE 138GE
Discharge Air (°F) 28 28
Evaporator Air (°F) 21 21
Unit Sizing (°F) 19 19
Btu/hr/case* CW2U CW2U
90GE 138GE
Parallel 10,520 16,440
Conventional 11,660 18,220
*For all refrigeration equipment other than
Hussmann, use conventional Btu values.
DEFROST DATA
CW2U CW2U
90GE 138GE
Frequency (hr) 66
Defrost Water (lb/day) 72 112
(± 15% based on case configuration and
product loading).
OFFTIME CW2U CW2U
90GE 138GE
Temp Term (°F) 48°48°
Failsafe (min) 45 45
ELECTRIC OR GAS Not Recommended
Standard Defrost Thermostat
Close on rise: close 48°F — open 33°F
CONVENTIONAL CONTROLS
Low Pressure Backup Control
CW2U CW2U
90GE 138GE
CI/CO (Temp °F)** 17°/7°17°/7°
Indoor Unit Only, Pressure Defrost
Termination (Temp °F)**48° 48°
**Use a Temperature Pressure Chart to
determine PSIG conversions.
PHYSICAL DATA
Merchandiser Drip Pipe (in.) 1 1/4
Liquid Line (in.) 1/2
Suction Line (in.) 1 1/8
Estimated Charge (lb)***
CW2U-90GE 4.0
CW2U-138GE 6.3
***This is an average for all refrigerant
types. Actual refrigerant charge may vary by
approximately half a pound.
Length Added to Lineup by:
Each Flat End (in.) 1 1/2
Each Contoured End (in.) 5
Impact CW2U-GE
Unitized Convertible Island

CW2U-GE Technical Data Sheet
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
4 of 7
Electrical Data
Number of Fans 90 in. 138 in.
Refrigeration – 6W 2 4
Refrigeration– 9W 2 2
Amperes Watts
Merchandiser 90 in. 138 in. 90 in. 138 in.
Fans (Refrigeration)
Standard (120V 60Hz) 1.76 2.76 128 206
Energy Efficient (120V 60Hz) 1.28 1.80 86 122
Cycling Anti-sweat Heaters NA NA NA NA
Minimum Circuit Ampacity
With Standard Fans (120V 60Hz) 1.96 2.96
With Energy Efficient Fans (120V 60Hz) 1.48 2.00
Maximum Over Current Protection 120V 20 20
Electric Defrost Heaters (208V 1F)NA NA NA NA
Standard Lighting 90 in. 138 in. 90 in. 138 in.
1 Row Canopy 1.31 1.82 99 158
Optional Lighting
2 Rows Canopy 1.82 2.84 158 276
Optional Shelf Lighting
1 Row Shelves 1.31 1.82 99 158
2 Rows of Shelves 2.62 3.64 198 316
Note 1: All CW2 end compartments are equipped with Energy Efficient fan motors as standard.
Note 2: CW2 end compartments are not available with 2 row canopy lighting due to space constraints.
Impact CW2U-GE
Unitized Convertible Island

P/N 0406659A HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. 5 of 7
3
Defrost
Termination
Thermostat
Refrigeration
Thermostat
Dark Blue To
Condensing
Unit
}
Light Blue
4
Fan Wiring
Offtime Defrost
2 & 4 Fans
BROWN BAND
120V POWER Fans 1
BROWN BAND
Front
120V NEUTRAL
BROWN BAND
120V POWER Fans
BROWN BAND
End
Compartment
BROWN BAND
120V POWER Fans 2
BROWN BAND
Rear
2 Fans
1
Grayed components in 12 foot models only.
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
Connector
Connector
G
Connector
Connector Connector
Connector Connector
Optional Shelf Harness and Light Circuits for
One Row of Shelves
120 V
Power
B
W
G
B
BL
BL
BL G
G
RR
BL BL G
W
BL
Shelf Harness
Shelf Light Circuits
BL
G
R
5
4
W
BL
R
5
BL R
G
G
R
R
R
G
Shelf Lighting
G G
R
BL
5
BL
Connector
Connector
B

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
6 of 7 CW2U-GE Technical Data Sheet
= 120V POWER = 120V NEUTRAL
5
5
88
8
88
8
120V NEUTRAL
ORANGE OR TAN BAND
W
Light
Switch
120V POWER
ORANGE OR TAN
BAND
B
B
W
BL
BL
120V NEUTRAL
ORANGE OR TAN BAND
W
Light
Switch
120V POWER
ORANGE OR TAN
BAND
B
BL
BL
Standard Lighting 1 Row Canopy
Light Circuits
Optional Lighting 2 Rows Canopy
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
R
Grayed components in 138 models only.
R = Red Y = Yellow G = Green BL = Blue B = Black W = White
CIRCLED NUMBERS = PARTS LIST ITEM NUMBERS
R
BL
BL
R
R
R
R
5

P/N 0406659B 7 of 7
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
W
Switch
B
B
CANOPY LIGHT CHANNEL
Starter
B
R
B
R
B
R
G
SHELF LIGHT HARNESS
Starter
Lamp
SHELF LIGHT HARNESS
Starter
Lamp
G
Lamp 2
BLR
B
B
BLR
B
B
BLR
Lamp
G
Starter
SHELF LIGHT HARNESS
BL
B
Lamp 1
Starter
BL
B
Lamp
Starter
B
BL
BALLAST MOUNTING PANEL
Ballast
Ballast
R
BB
BB
BL
B
G
BL
B
B
BACK SHELF HARNESS
SHELF #2
Ballast
Ballast
BBBL
B
BBBL
B
Ballast
Ballast
BBBL
B
BBBL
B
BACK SHELF HARNESS
SHELF #1
WB
R
WB
CANOPY LIGHT HARNESS
WB
G
B
BALLAST FEED HARNESS
(TO CASE RACEWAY)
+
120V
-
G
R
SHELF LIGHT HARNESS
= 120V POWER = 120V NEUTRAL
8
6
6
6
8
88
8
8
Light Circuits
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Grayed components in 12 ft models only.
R = Red Y = Yellow G = Green BL = Blue B = Black W = White
CIRCLED NUMBERS = PARTS LIST ITEM NUMBERS
CW2U-90GE/138GE End Compartment
Lighting Schematic
(Standard canopy lighting and
optional shelf lighting are shown)
7
7
7 7
7
7