Hussmann IMPACT LWU Instruction Manual

ACG

DEF

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)

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.

Refrig.

Outlet

Waste Outlet

(See Note*)

9/16

(141)

3/4

(222)

Refrig. Outlet

Waste

Outlet

IFD

7/8

(251)

Water Seal

Electrical

3/4

(171)

Refrig.

Outlet

1/4

(565)

1/4 (159)

Base Rail

Access Area

(Gray)

Front of

Case

End of

Case

(R.H.)

(L.H.)

1/2

(978)

3/8 (289)

LWU

(251)

5/8

(778)

(1753)

(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)

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

FAN COIL

LWU

902 375 81

3/4

1/4

1/2

(MM)

20701753

214

1/2

318

3/4

127

1/4

1/2

178

Dimensions

FAN

COIL

LWU

762 210

1/4

(MM)

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

Nosing (anti-sweat) Heater

BROWN BAND

Fans

BROWN BAND

Nosing (anti-sweat) Heaters

120V POWER

BROWN BAND

Fans

BROWN BAND

120V NEUTRAL

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

Defrost

Termination

Thermostat

Refrigeration

Thermostat

Dark Blue To

Condensing Unit

}

Light Blue

32(Field Installed)

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

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)

Drip Pan Heater

Ye l l o w

Heater Switch

120V POWER

120V NEUTRAL

Dark BlueDark Blue

Yellow

Drip Pan Heater

Yellow

Heater Switch

120V POWER

120V NEUTRAL

Dark BlueDark Blue

Ye l l o w

Drip Pan Heater

Yellow

Heater Switch

120V POWER

120V NEUTRAL

Dark BlueDark Blue

Yellow

BROWN BAND

Fan

BROWN BAND

Nosing (anti-sweat) Heater

BROWN BAND

Fans

BROWN BAND

Nosing (anti-sweat) Heaters

120V POWER

BROWN BAND

Fans

BROWN BAND

120V NEUTRAL

Nosing (anti-sweat) Heaters

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