Hussmann IMPACT LW Bedienungsanleitung

IIMMPPOORRTTAANNTT!!

Keep in store for

future reference.

Low Temperature

Single Deck Wall & Island Merchandisers

Installation &

Operation Manual

Shipped With Case Data Sheets

P/N 0395730F

Impact Series

March 2005

Merchandisers

INSTALLATION

NSF Certification . . . . . . . . . . . . . . . . . . . 1-1

Location . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Shipping Damage . . . . . . . . . . . . . . . . . . . 1-1

Exterior Loading . . . . . . . . . . . . . . . . . . . . 1-2

Merchandisers Shipped

With End Installed . . . . . . . . . . . . . . . . . . 1-2

Shipping Braces . . . . . . . . . . . . . . . . . . . . 1-2

Leveling . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Joining Instructions . . . . . . . . . . . . . . . . . . 1-3

Installing Bumpers . . . . . . . . . . . . . . . . . . 1-3

Top Rails . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Glass Top Rails . . . . . . . . . . . . . . . . . . . . . 1-5

Glass Trim . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Installing Flue Glass . . . . . . . . . . . . . . . . . 1-6

REFRIGERATION / ELECTRICAL

Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Refrigerant Piping . . . . . . . . . . . . . . . . . . . 2-1

Insulation . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Front to Rear and/or End Interconnects . . . 2-2

Refrigeration Thermostat . . . . . . . . . . . . . . 2-2

Defrost Termination Thermostat . . . . . . . . 2-2

CDA Sensor (Optional) . . . . . . . . . . . . . . . 2-2

Merchandiser Electrical Data . . . . . . . . . . . 2-3

Field Wiring . . . . . . . . . . . . . . . . . . . . . . . 2-3

Electrical Connections . . . . . . . . . . . . . . . . 2-3

Identification of Wiring . . . . . . . . . . . . . . . 2-3

DRIP PIPING AND SPLASHGUARDS

Waste Outlet and Water Seal . . . . . . . . . . . 3-1

Installing Drip Piping . . . . . . . . . . . . . . . . 3-1

Installing Splashguards . . . . . . . . . . . . . . . 3-2

Sealing Splashguard to Floor . . . . . . . . . . . 3-3

START UP / OPERATION

Start up . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Stocking . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Load Limits . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Installing FDA/NSF Required Thermometer 4-1

Load Limit Profiles . . . . . . . . . . . . . . . . . . 4-2

MAINTENANCE

Care and Cleaning . . . . . . . . . . . . . . . . . . . 5-1

Cleaning Under Merchandisers . . . . . . . . . 5-2

Removing Scratches from Bumper . . . . . . 5-2

Cleaning Honeycomb . . . . . . . . . . . . . . . . 5-2

Removing Rear Flue Glass / Honeycomb

for Cleaning (LIG & LNG) . . . . . . . . . . . 5-3

Reinstalling Wire Racks, Pans,

and Interior Panels . . . . . . . . . . . . . . . . . 5-4

(Continued on next page)

Table of Contents

IMPORTANT

KEEP IN STORE FOR FUTURE REFERENCE

Quality that sets industry standards

12999 St. Charles Rock Road • Bridgeton, MO 63044-2483 U.S.A. • (314) 291-2000 • FAX (314) 298-4767

P/N 0395730F iii

SERVICE

Replacing Fan Motors and Blades . . . . . . . 6-1

Replacing Modular Electric

Defrost Heater . . . . . . . . . . . . . . . . . . . . . 6-2

Replacing Nosing Anti-sweat Heater . . . . . 6-3

Replacing Drip Pan Heater . . . . . . . . . . . . . 6-5

Replacing Damaged Drain Fitting . . . . . . . 6-6

Removing Thermopane Glass Assembly . . . .6-7

Replacing Glass Perimeter

Anti-sweat Heater . . . . . . . . . . . . . . . . . . . 6-8

Repairing Aluminum Coil . . . . . . . . . . . . . 6-10

WARRANTY

REVISION F

1. Changed starter-bumper information, page 1-3.

2. Added bumper film removal, page 1-4.

3. Added 15 Oct 2003 Warranty.

Table of Contents (Continued)

P/N 0395730F HUSSMANN CORPORATION, BRIDGETON, MO 63044-2483 U.S.A.

P/N 0395730F

Low Temperature

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

1-1

NSF CERTIFICATION

These merchandisers are manufactured to meet

ANSI / National Sanitation Foundation (NSF®)

Standard #7 requirements. Proper installation is

required to maintain certification. Near the serial

plate, each case carries a label identifying the

type of application for which the case was certi-

fied.

ANSI/NSF-7 Type I – Display Refrigerator / Freezer

Intended for 75°F / 55%RH Ambient Application

ANSI/NSF-7 Type II – Display Refrigerator / Freezer

Intended for 80°F / 55%RH Ambient Application

ANSI/NSF-7 – Display Refrigerator

Intended for Bulk Produce

LOCATION

These merchandisers are designed for displaying

products in air conditioned stores where tempera-

ture is maintained at or below the ANSI/NSF-7

specified level and relative humidity is maintained

at or below 55%.

Placing refrigerated merchandisers in direct sun-

light, near hot tables or near other heat sources

could impair their efficiency.

Like other merchandisers, these are sensitive to

air disturbances. Air currents passing around mer-

chandisers will seriously impair their operation.

Do NOT allow air conditioning, electric fans,

open doors or windows, etc. to create air currents

around the merchandisers.

To prevent sweating on the exterior surfaces,

there must be a minimum clearance of 4 in.

(102 mm) between merchandisers, other fixtures

and store walls.

Product should always be maintained at proper

temperature. This means that from the time the

product is received, through storage, preparation

and display, the temperature of the product must

be controlled to maximize the life of the product.

Wide Island Fronts

BE SURE TO POSITION WIDE ISLAND MERCHANDISER

FRONTS PROPERLY. The front of a wide island

merchandiser is readily identified by the location

of the serial plate (see leveling drawing.) Since

all electrical and refrigeration connections will be

made at the front side, the fronts will need to be

positioned according to the store plan layout.

SHIPPING DAMAGE

All equipment should be thoroughly examined

for shipping damage before and during unload-

ing.

This equipment has been carefully inspected at

our factory. Any claim for loss or damage must be

made to the carrier. The carrier will provide any

necessary inspection reports and/or claim forms.

Apparent Loss Or Damage

If there is an obvious loss or damage, it must be

noted on the freight bill or express receipt and

signed by the carrier’s agent; otherwise, carrier

may refuse claim.

Concealed Loss Or Damage

When loss or damage is not apparent until after

equipment is uncrated, retain all packing materials

and submit a written request to the carrier for

inspection, within 15 days.

INSTALLATION

Do not walk or put heavy objects

on merchandiser.

CAUTION

Exercise caution at all times when moving

merchandisers with up-tilt riders.

They are top heavy and should NEVER be

left in the vertical position.

WARNING

P/N 0395730F

1-2 INSTALLATION

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

EXTERIOR LOADING

Do NOT walk on top of merchandisers or dam-

age to the merchandisers and serious personal

injury could occur. THEY ARE NOT STRUCTURALLY

DESIGNED TO SUPPORT EXCESSIVE EXTERNAL LOAD-

ING such as the weight of a person. Do not place

heavy objects on the merchandiser.

MERCHANDISERS SHIPPED WITH END

INSTALLED

If the merchandiser was shipped with the end

installed, two long bolts were used to hold the

shipping brace to the end. If the shipping bolts

are reinserted after removing the brace, they will

extend into the product area. THEREFORE, BE

SURE TO REPLACE THESE BOLTS WITH THE SHORT-

ER BOLTS PROVIDED.

Be careful not to damage the factory-installed

end while moving the merchandiser. Make sure

that tools are positioned past the end and beneath

the merchandiser’s support bar.

SHIPPING BRACES

Move the merchandiser as close as possible to

its permanent location and then remove all

packaging. Check for damage before discarding

packaging. Remove all separately packed

accessories such as kits and shelves.

LEVELING

Merchandisers must be installed level to ensure

proper operation of the refrigeration system and

to ensure proper drainage of defrost water. When

leveling merchandisers, use a carpenter’s level as

shown. Leveling shims are provided with each

merchandiser for use if needed. The shims are

12 in. (305 mm) long and 3 in. (76 mm) wide so

that you can level adjoining merchandisers at the

same time using one shim.

Notes:

•BEGIN LINEUP LEVELING FROM THE HIGHEST POINT OF

THE STORE FLOOR.

•If shimming two corners, check to see if a shim is

needed in the center of the merchandiser. If a gap

exists between the support rail of the merchandiser

and the floor, a shim should be placed in the center.

FAN

COIL FAN

COIL

Levels

Electrical

Raceway

Serial Plate

(Solid Front

Location)

Serial Plate

LWUG

P/N 0395730F

Low Temperature

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

1-3

JOINING INSTRUCTIONS

Sectional construction means that two or more

merchandisers may be joined in line yielding one

long continuous display requiring only one pair

of ends. To join like merchandisers, use the joining

parts and instruction shipped with each merchan-

diser. To join unlike merchandisers, or merchandis-

ers of different temperature applications, an insulat-

ed 11/2in. (38 mm) partition kit is required.

Partition kits are shipped separately; instructions

are included with each kit.

ALL JOINTS MUST BE AIR-TIGHT TO PREVENT

FORMATION OF ICE OR CONDENSATION.

Refer to separate Joining Instruction shipped

with merchandiser.

INSTALLING BUMPERS

Offsetting the bumpers and top rails helps to

disguise the joint locations, giving the lineup a

smoother look.

For the top bumper, begin at the left end of

the line-up. For the lower bumper,

begin at the right end of the line-up.

A starter bumper is factory-

installed with end kits. Insert

the internal joint trim, then

add the full-length

bumper.

Align each bumper sec-

tion with its retainer and

push into place, working

from the end of the line-

up. Install full length

bumpers and internal

joint trims offset across

joints. Make sure that no

gaps exist between sec-

tions. Continue installing

bumpers the length of the

line up.

Do NOT install the last bumper sections at this

time. These sections will be installed in the last

step (see next page).

Once all except the last section of upper bumper

and lower bumper have been installed, refrigerate

the merchandiser line-up for at least six (6) hours.

The last sections of bumper should be kept

inside a refrigerated merchandiser or cooler

during this time to allow the bumpers to con-

tract.

Full Length

Bumper

Merchandiser

Joint

Retainer

Starter

Bumper

Internal Joint

Trims

Full Length

Bumpers

Last Section

MUST BE COOLED

Before Cut to Length

P/N 0395730F

1-4 INSTALLATION

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

Before installing the last

full-length sections, measure

each remaining space. Use a

miter box and fine-tooth saw

to cut last bumpers to length.

Install the last sections.

Remove protective film from

bumper and top rail once

installation is complete.

End bumpers are factory-installed.

To remove installed bumpers, it may be necessary

to use a small (dull) tool such as a screwdriver to

help pry up one corner edge while pushing the

bumper toward the color panel. A screwdriver is

needed to remove bumper corners.

TOP RAILS

Top rails are factory-installed. Joint trims are

supplied; refer to the separate Joining instruction.

Ends are factory installed with top rails.

Lower Bumper

Corner

Upper Bumper

Lower Corner Bumper

Upper Corner Bumper

Miter Box

Bumper

Top Rails

Screws

Corner

Top Rail

Corner

Top Rails

Corner

Top Bumpers

Optional Stainless Steel Top Rail

P/N 0395730F

Low Temperature

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

1-5

GLASS TOP RAILS

Glass top rails are factory-installed. Internal color

trims are used under the glass top rail at joints.

Carefully remove glass top rails before joining.

Once line-up is complete, re-install glass top rails

with internal color trims. Ends are factory

installed with glass top rails.

GLASS TRIM

The trim on top of the glass is factory-installed.

Standard plastic trim is friction fit. Optional

stainless steel trim uses a foam sheet between the

glass and trim to prevent trim from slipping.

Screws hold corner trim in place.

Glass

Top Rail

Corner

Glass Top Rail

Corner

Glass

Top Rail

Corner

Glass Trim

Glass Top Rails

Standard

Plastic Trim

Applying

Standard

Trim

OUTSIDE OF CASE

P/N 0395730F

1-6 INSTALLATION

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

INSTALLING FLUE GLASS

(GLASS FRONT MODELS)

The acrylic flue glass must be installed in the

channel to ensure efficient operation. Each sec-

tion of flue glass has tabs to hold it away from

the front glass.

LIG and LNG models only have a honeycomb

retainer attached to the rear flue glass.

Flue Glass Channel

Honeycomb

Retainer

Nut

Retainer

Screw

Acrylic

Guard

Rear Flue Glass / Honeycomb Retainer Assembly

LIG And LNG Models Only

Front Shelf

Support

Grille

Acrylic

Flue Glass

Glass

Trim

Channel

P/N 0395730F

Low Temperature

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

2-1

REFRIGERANT

The correct type of refrigerant will be

stamped on each merchandiser’s serial plate.

The merchandiser refrigeration piping is leak

tested, factory sealed and pressurized. Before

making refrigeration hookups, depress

Schrader valve to ensure that coils have

maintained pressure during shipment.

REFRIGERANT PIPING

Connection Location

The refrigerant line connections are at the right-

hand end of the merchandiser (as viewed from

the front) beneath the display pans. A sticker

marks the location of the connection “pod.” The

installer must saw a hole through the pod to exit

the merchandiser.

After connections have been made, seal this out-

let thoroughly. Seal both the inside and the out-

side. We recommend using an expanding

polyurethane foam insulation.

Multiplexing

Piping of merchandisers operating on the same

refrigeration system may be run from merchan-

diser to merchandiser DO NOT RUN REFRIGER-

ANT LINES THROUGH MERCHANDISERS THAT ARE

NOT ON THE SAME REFRIGERATION SYSTEM or

BRANCH as this may result in poor refrigeration

control and compressor failure.

Interconnecting piping inside the merchandiser

must be positioned to allow room for lifting the

hinged fan plenums and for clearance beneath the

display pans.

Line Sizing

Refrigerant lines should be sized as shown on

the refrigeration legend that is furnished for the

store or according to ASHRAE guidelines.

Note: If Koolgas defrost is used, the liquid line

will need to be increased two sizes larger inside

the merchandiser area. This is necessary to

ensure even liquid drainage from all evaporators

during defrost.

Oil Traps

P-traps (oil traps) must be installed at the base of

all suction line vertical risers.

Pressure Drop

Pressure drop can rob the system of capacity. To

keep the pressure drop to a minimum, keep the

refrigerant line run as short as possible using a

minimum number of elbows. Where elbows are

required, USE LONG RADIUS ELBOWS ONLY.

REFRIGERATION / ELECTRICAL

Refrigeration lines are under pressure and

should be depressurized before attempting

to make any connections.

WARNING

Splashguard brackets MUST be installed

before piping merchandiser.

CAUTION

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