Hussmann LWU Technical Data Sheet

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P/N 0395741_J

®

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)

H

EATERS

E. Modular Electric Defrost Heaters, 208V (5)

0395709 Parent (HE.4850409)
0406444 End Compartment (HE.4850478)

Item Part # Description Wiring Item #

H

EATERS (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.

Merchandisers

LWU Technical Data Sheet2 of 6

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.

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

9

7

/8

(251)

Electrical

LWU

6

(171)

3/4

9

C

L

7/8

(251)

Waste
Outlet

30

(778)

6

Refrig. Outlet

38

1/2

(978)

5/8

1/4 (159)

Front of

Base Rail

Waste Outlet

Access Area

(Gray)

A

Case

(L.H.)

(R.H.)

B

H

E

G

8

3/4

(222)

22

1/4

(565)

Water Seal

(See Note*)

Refrig.
Outlet

5

(141)

Refrig.
Outlet

9/16

11

3/8 (289)

End of

Case

I

F

(1753)

C

69

D

81

(2070)

1

/2

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

O

FFTIME 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

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.

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J

FAN

C

COIL

I

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G

L

C

COIL

C

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Dimensions

E

D

C

FAN

D

B

E

G

H

K

AB

O

N

A

_

_

7

5

1/2

81

69

1/2

12

1/2

8

3/4

3

1/4

1

1/4

32

3/4

14

1/2

35

LWU

178

_

127

20701753

318

214

_

95

32

9

902 375 81

(MM)

1/4

8

NO

762 210

30

(MM)

LWU

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

3

2

(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.

120V POWER

BROWN BAND

Fans

1

8

Nosing (anti-sweat) Heaters

120V NEUTRAL

BROWN BAND

Yellow

Dark BlueDark Blue

Heater Switch

4

Drip Pan Heater

7

Yellow

BROWN BAND

BROWN BAND

Fans

Ye l l o w

Dark BlueDark Blue

Heater Switch

4

1

8

Nosing (anti-sweat) Heaters

Fan

1

8

Nosing (anti-sweat) Heater

Drip Pan Heater

Yellow

7

BROWN BAND

BROWN BAND

Dark BlueDark Blue

Heater Switch

Yellow

4

Drip Pan Heater

Ye l l o w

7

120V POWER

120V NEUTRAL

120V POWER

120V NEUTRAL

120V POWER

Refrigeration

Thermostat

2

(Field Installed)

Light Blue

To

}

Condensing Unit

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.

120V NEUTRAL