Hussmann IMPACT LWU Mode d’emploi
C
ACG
C
E
E
D
DEF
BD
P/N 0395741_J
Merchandisers
®
LWU
Technical Data Sheet
P/N 0395741_J
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 Front & Rear — Fan Blade
embossing toward motor (FB.0409511)
0409513 End Compartment — Fan Blade
embossing toward motor (FB.0409513)
B. Optional Adjustable Refrigeration Thermostat (2)
C. Defrost Termination Thermostat (3)
(Electric Defrost only)
0398557 Front & End Compartment
(CT.4440611)
0398558 Rear (CT.4481088)
D. 0425304 Heater Switch (4)
(Koolgas Defrost only) (CT.0425304)
HEATERS
E. Modular Electric Defrost Heaters, 208V (5)
0395709 Parent (HE.4850409)
0406444 End Compartment (HE.4850478)
Item Part # Description Wiring Item #
HEATERS (CONTINUED)
F. Drip Pan Heaters, Electric 208V (6)
0392412 90 inch case (HE.4850461)
0392413 138 inch case (HE.0392413)
0392412 End Compartment (HE.4850461)
F. Drip Pan Heaters, Koolgas 120V (7)
0421237 90 inch case (HE.4850495)
0421238 138 inch case (HE.4850496)
0421237 End Compartment (HE.4850495)
G. Nosing Anti-sweat Heaters (8)
0401603 90 inch case (Discharge)
(HE.4850470)
0401555 90 inch case (Return) (HE.4850465)
0401605 138 inch case (Discharge)
(HE.0401605)
0401557 138 inch case (Return) (HE.4850467)
0401612 End Compartment (Discharge)
(HE.0401612)
0401555 End Compartment (Return)
(HE.4850465)
©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 J corrects heater data on Page 4.
LWU Technical Data Sheet2 of 6 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
C
L
Refrig.
Outlet
Waste Outlet
(See Note*)
5
9/16
(141)
G
E
8
3/4
(222)
Refrig. Outlet
Waste
Outlet
C
IFD
9
7/8
(251)
Water Seal
Electrical
6
3/4
(171)
Refrig.
Outlet
22
1/4
(565)
6
1/4 (159)
Base Rail
Access Area
(Gray)
Front of
Case
End of
Case
(R.H.)
(L.H.)
38
1/2
(978)
11
3/8 (289)
LWU
A
B
H
9
7
/8
(251)
30
5/8
(778)
69
(1753)
81
1
/2
(2070)
Engineering
Plan Views
Dimensions shown as inches & (mm).
U-90 U-138
General
(A) Case Length (without ends or partitions) 89 (2261) 137 1/4(3486)
(Each end and insulated partition adds 2 in. (51 mm) to case line up.)
(B) End of case to end compartment 48 1/4 (1226) 96 1/4 (2445)
Maximum O/S dimension of case front to rear (includes bumper) 81 1/2 (2070) 81 1/2 (2070)
(C) 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 rear base rail 69 (1753) 69 (1753)
(D) Rear of case to O/S edge of rear base rail 12 1/2 (318) 12 1/2 (318)
Width of base rail 2 1/2(64) 2 1/2(64)
Stub-up area (gray) between front base rail and
splashguard 7 5/8 (194) 7 5/8 (194)
Electrical Service (Electrical Field Wiring connection point)
Edge of case to center of knockouts 6 3/4(172) 6 3/4(172)
Front O/S edge of case to nearest knockout 9 7/8(251) 9 7/8(251)
Waste Outlets
(E) End of case to the center of rear waste outlet 10 1/8 (257) 58 1/4 (1480)
(F) Center of waste outlet to O/S edge of rear base rail 3 3/4 (95) 3 3/4 (95)
(G) End of case to center of front waste outlet 38 (965) 38 (965)
O/S edge of case to center of waste outlet 8 3/4 (222) 8 3/4 (222)
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
End of case to center of front and rear refrigeration outlets 5 9/16 (141) 5 9/16 (141)
(H) End of case to center of refrigeration outlets at other end 42 5/8 (1083) 88 3/8 (2245)
O/S edges of case to center of refrigeration outlets 11 3/8 (289) 11 3/8 (289)
(I) Center of refrigeration outlet to O/S edge of rear base rail 1 1/4(32) 1 1/4(32)
Single Deck Frozen Food
Wide Island with Unitized End
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) –12 –22
Evaporator (°F) –20 –30
Unit Sizing (°F) –23 –33
Btu/hr/case FF IC
Parallel
90 in. 4570 4685
138 in. 7185 7360
Conventional
90 in. 4720 4835
138 in. 7415 7595
DEFROST DATA
FF IC
Frequency (hr) 24 24
Defrost Water (lb/case/day)
90 in. 12.5 10.0
138 in. 20.0 16.0
(± 15% based on case configuration and
product loading).
ELECTRIC FF IC
Temp Term (°F) 48°48°
Failsafe (minutes) 60 60
GAS
Duration (minutes) 15 18
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)**
90 in. 3.5
138 in. 5.3
**This is an average for all refrigerant types.
Actual refrigerant charge may vary by
approximately half a pound.
Length Added to Lineup by:
Each End/Partition (in.) 1 1/2
Each Contoured End 5
3 of 6
P/N 0395741_J HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
_
_
_
_
D
E
I
G
H
J
A
B
FAN COIL
K
CC
C
G
I
L
C
LWU
902 375 81
9
14
3/4
32
1/4
35
1/2
AB
E
FH
J
KL
(MM)
20701753
214
12
1/2
318
3
3/4
95
127
5
69
32
1
1/4
8
1/2
D
81
1/2
M
7
178
Dimensions
FAN
COIL
M
LWU
762 210
8
1/4
30
NO
(MM)
N
O
Dimensions shown in inches & (mm).
Impact LWU
Frozen Food & Ice Cream
Single Level Wide Island Display, End and Center Unitized
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. LWU Technical Data Sheet4 of 6
Impact LWU
Frozen Food & Ice Cream
Electrical Data
90 in. 138 in.
Number of Fans – 4W 3 5
(Energy Efficient fan motors are not available for End or End-compartment models)
Amperes Watts
90 in. 138 in. 90 in. 138 in.
Evaporator Fans
120V 60Hz Standard 0.93 1.55 72 120
120V 50Hz Standard NA
230V 60Hz Export 0.45 0.75 72 120
230V 50Hz Export 0.74 1.10 111 165
120V 60Hz Energy Efficient 0.42 0.70 30 50
230V 60Hz Energy Efficient NA
Nosing Anti-sweat Heaters (on fan circuit)
120V 50Hz / 60Hz 1.87 2.83 226 338
230V 50Hz / 60Hz 0.98 1.47 226 338
Cycling Anti-sweat Heaters
120V 50Hz / 60Hz NA
230V 50Hz / 60Hz NA
Minimum Circuit Ampacity
120V 60Hz Standard 3.0 4.58
120V 50Hz Standard NA
230V 60Hz Export 2.63 2.42
230V 50Hz Export 1.92 2.77
120V 60Hz Energy Efficient 2.49 3.73
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 Front Compartment 4.00 8.00 835 1670
208V 60Hz Standard Rear Compartment 4.00 8.00 835 1670
208V 60Hz Standard End Compartment 5.50 5.50 1150 1150
230V 50Hz Export Front Compartment 4.40 8.90 1012 2047
230V 50Hz Export Rear Compartment 4.40 8.90 1012 2047
230V 50Hz Export End Compartment 6.10 6.10 1403 1403
Koolgas Drip Pan Heaters
120V 60Hz Standard 3.75 6.25 450 750
230V 50Hz Export NA
Standard Lighting: None
5 of 6P/N 0395741_J HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
BROWN BAND
Fan
BROWN BAND
1
8
Nosing (anti-sweat) Heater
BROWN BAND
Fans
BROWN BAND
Nosing (anti-sweat) Heaters
120V POWER
BROWN BAND
Fans
BROWN BAND
120V NEUTRAL
1
8
1
8
Nosing (anti-sweat) Heaters
208 V Power From Defrost Contactors
L1 L2
Modular Electric Defrost Heaters
Drip Pan Heater
Modular Electric Defrost Heaters
Drip Pan Heater
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers
Grayed components in 138 inch models only.
Drip Pan Heater
Modular Electric Defrost Heater
6
5
6
5
6
5
Defrost
Termination
Thermostat
Refrigeration
Thermostat
Dark Blue To
Condensing Unit
}
Light Blue
32(Field Installed)
Red Red
Red Red
Red Red
Electric Defrost – Standard
Gas Defrost – Optional
LWU Technical Data Sheet6 of 6 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
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
Drip Pan Heater
Ye l l o w
Heater Switch
120V POWER
120V NEUTRAL
Dark BlueDark Blue
Yellow
7
4
Drip Pan Heater
Yellow
Heater Switch
120V POWER
120V NEUTRAL
Dark BlueDark Blue
Ye l l o w
7
4
Drip Pan Heater
Yellow
Heater Switch
120V POWER
120V NEUTRAL
Dark BlueDark Blue
Yellow
7
4
BROWN BAND
Fan
BROWN BAND
1
8
Nosing (anti-sweat) Heater
BROWN BAND
Fans
BROWN BAND
Nosing (anti-sweat) Heaters
120V POWER
BROWN BAND
Fans
BROWN BAND
120V NEUTRAL
1
8
1
8
Nosing (anti-sweat) Heaters
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