Hussmann IMPACT Elite E1 Manuel utilisateur

Self-Service

Meat, Delicatessen, Dairy and Produce

Merchandisers

Installation &

Operation Manual

Shipped With Case Data Sheets

P/N 0453523

Impact

Elite

Series

December 2005

IIMMPPOORRTTAANNTT

Keep in store for

future reference!

INSTALLATION

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

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

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

Apparent Loss or Damage . . . . . . . . . . . . . 1-1

Concealed Loss or Damage . . . . . . . . . . . . 1-1

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

Merchandisers Shipped

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

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

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

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

Installing Bumpers . . . . . . . . . . . . . . . . . . . . . 1-6

Installing Partitions . . . . . . . . . . . . . . . . . . . . 1-6

REFRIGERATION / ELECTRICAL

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

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

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

Suction Line . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Liquid Line . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Refrigeration Thermostat . . . . . . . . . . . . . . . . 2-3

Defrost Termination Thermostat . . . . . . . . . . 2-3

Defrost Sequences . . . . . . . . . . . . . . . . . . . . . 2-3

Merchandiser Electrical Data . . . . . . . . . . . . 2-4

Electrical Connections . . . . . . . . . . . . . . . . . . 2-4

Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Identification of Wiring . . . . . . . . . . . . . . . . . 2-4

DRIP PIPING and LOWER PANELS

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

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

Installing Lower Front Panels . . . . . . . . . . . . 3-2

START UP / OPERATION

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

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

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

Multi-deck Shelf Alignment . . . . . . . . . . . . . 4-2

Multi-deck Shelf Configuration . . . . . . . . . . 4-2

Installing Lighted Shelves . . . . . . . . . . . . . . 4-2

Installing FDA/NSF Required Thermometer 4-4

MAINTENANCE

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

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

Removing Interior Back Panels . . . . . . . . . . . 5-2

Cleaning Under Merchandisers . . . . . . . . . . 5-3

Cleaning Bumpers . . . . . . . . . . . . . . . . . . . . . 5-3

Cleaning Prep Top . . . . . . . . . . . . . . . . . . . . 5-3

SERVICE

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

Replacing Fluorescent Lamps . . . . . . . . . . . . 6-2

Replacing Lamp Holders and End Caps . . . . 6-2

Replacing Electronic Ballasts . . . . . . . . . . . . 6-3

Replacing Damaged Drain Fitting . . . . . . . . 6-5

Repairing Aluminum Coils . . . . . . . . . . . . . . 6-6

WARRANTY

IMPORTANT

KEEP IN STORE FOR FUTURE REFERENCE

Quality that sets industry standards.

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

TABLE OF CONTENTS

P/N 0453523

Elite

Medium Temperature

P/N 0453523 1-1

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

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 certified.

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

merchandisers will seriously impair their opera-

tion. Do NOT allow air conditioning, electric

fans, open doors or windows, etc. to create air

currents around the merchandisers.

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.

The exterior frames on these cases provide space

for air circulation. However, in high ambient

conditions, sweating may still occur. If this

happens install a method of forced ventilation

such as a fan ventilation kit.

SHIPPING DAMAGE

All equipment should be thoroughly examined for

shipping damage before and during unloading.

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.

EXTERIOR LOADING

Do NOT walk on top of merchandisers or

damage to the merchandisers and serious

personal injury could occur. THEY ARE NOT

STRUCTURALLY DESIGNED TO SUPPORT EXTERNAL

LOADING such as the weight of a person. Do not

place heavy objects on the case.

INSTALLATION

Do not walk or put heavy objects on case.

CAUTION

1-2 INSTALLATION

P/N 0453523

MERCHANDISERS SHIPPED

WITH END INSTALLED

Be careful not to damage the factory installed end

while moving the case. Tools must be 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 big

enough so that you can level adjoining merchan-

disers 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.

Do NOT remove shipping braces until

the merchandisers are positioned

for installation.

WARNING

Level

Shim

NOTE: Do not place levels on

Display Pans or on Shelves.

Leveling E1

Merchandisers

Leveling E2,

E3, E4 and E5

Merchandisers

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.

ALL JOINTS MUST BE AIR-TIGHT TO PREVENT

FORMATION OF ICE OR CONDENSATION.

Prep Case

1. Check to be sure that merchandisers are

level and that the factory-installed nut retain-

ers and alignment pins are in place. Locate

Joining Kit and check contents against parts

list.

2. Remove shelves (if installed), display racks,

pans, front shelf supports and front air

grilles from the right end.

3. Remove the rear panel(s) from the right end.

On multi-deck cases remove the lower back

panel first. To remove a panel lift it up from

its bottom edge and out. No tools are

required.

Apply Silicone Gasket Pad

1. Apply a

continuous bead

of silicone

around the front

joining hole.

2. Remove paper

backing from

gasket pad and

position the pad

as shown.

3. Apply another

continuous bead

of silicone on

the gasket pad.

4. Apply foam

gaskets as

shown in detail

and described

on next page.

Elite

Medium Temperature

P/N 0453523 1-3

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

Add

Gasket Pad

Apply silicone

Apply more

silicone

Apply foam

Gaskets

1-4 INSTALLATION

P/N 0453523

Insert Alignment Rod and Pins

1. Insert the alignment rod into the right end of

the left case as indicated in the detail below.

Verify alignment pins are properly seated in

the left case.

Apply Gaskets

1. Apply 1/2in. (13 mm) gasket in the recess

across the bottom and up the front of the

merchandiser as shown. Gasket should cover

slots.

2. Apply the 15/8in. (41 mm) gasket to cover

foam-to-metal gap at rear of case and across

the top as shown. Be sure to lap gaskets as

shown. Check to be sure that there are no

gaps between gasket and merchandiser.

Fasten Cases

1. Move the second merchandiser into position

against the first. Match the alignment rod

and pin with the corresponding holes.

2. Fasten fronts together using cap screws, flat

washers, lock washers and nuts. Tighten

only until front panels touch. Do not tighten

fully.

3. Use the cap screws, flat washers and lock

washers provided in the joint kit to draw

the merchandisers together at rear. Do not

tighten fully.

4. Tighten joints in the order shown (A, B, C,

D, E) until gaskets are compressed, and

cases join smoothly.

1/2x 1/2Inch Gasket

1 5/8x 1/2Inch Gasket

Alignment Pin

1/2x 1/2Inch Gasket

1 5/8x 1/2Inch Gasket

Alignment Pin

Tighten in Order Shown

IMPORTANT

• Do not stretch gasket,

especially around corners.

• Do not butt gaskets;

always lap them as shown.

• Remove paper backing

after gasket has been applied.

Canopy

Alignment

Rod

Elite

Medium Temperature

P/N 0453523 1-5

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

Join Plexiglass

Parts List

• Acrylic Solvent Cement (IPS Weldon #40 or

comparable, mixing instructions on product)

• Masking tape and duct tape (not supplied)

Instructions

1. Prepare front plexiglass for cement applica-

tion by placing masking tape not more than

1/16 in. (6 mm) from the seam, on both sides,

front and back. Tape is to protect plexiglass

from cement spill over. Scarring will occur if

cement touches clear plexiglass.

2. Separate front plexiglass pieces enough to

apply a bead of #40 cement down one edge

inside of seam.

3. Apply cement with applicator to one or both

surfaces. Join immediately.

4. Realign front plexiglass and push together

tightly.

5. Apply just enough pressure to remove any air

bubbles. Do not squeeze joint so hard as to

force cement out of the joint—a dry joint may

result.

6. Apply tape (2 in. duct tape recommended)

across face of seam to secure plexiglass from

shifting while cement dries.

7. Allow approximately 4 hours to dry at 70°F.

Seal Merchandisers

1. Apply butyl tape across the bottom joint. Be

sure to extend the tape up the back and front

of the case.

2. Use field-supplied silicone to fill any gaps

between the front support brackets.

Butyl Tape

INSTALLING BUMPERS

Elite bumpers are shipped as a continuous roll.

Once installed the continuous bumper helps to

disguise the joint locations, giving the lineup a

smoother look.

1. Unroll the bumper and allow it to rest at room

temperature for 24 hours prior to installa-

tion to minimize bumper shrinkage after

installation.

2. Slide end caps onto retainer at right and left

ends of lineup. Align with slot in retainer,

then fasten with screws provided.

3. Measure the distance between inside end of

caps and add 1/8inch (3 mm) for each 4 ft

(1220 mm). Adding the additional material

will compensate for stretching which occurs

during installation.

4. Cut the bumper to length with a miter saw for

a precise, right-angle cut.

5. Lubricate the inside of the vinyl with soapy

water or silicone spray.

6. Starting at the left end of the line up, butt end

of the vinyl bumper against end cap. While

applying pressure, bend back vinyl top so that

vinyl legs are positioned within the base

grooves. Roll vinyl bumper over full length of

retainer, then tap with rubber mallet to ensure

vinyl is securely locked into retainer.

7. If necessary wipe clean with any household

cleaning product.

INSTALLING PARTITIONS

To join same temperature fixtures on different

defrost cycles, an acrylic partition kit is

required.

To join unlike fixtures, or like fixtures operating

at different temperatures, a 1 in. (26 mm)

insulated connecting partition kit is required.

Instructions for installing these partitions are

included with the kits.

1-6 INSTALLATION

P/N 0453523

Miter Box

Bumper

Retainer

End Cap

Screw

Elite

Medium Temperature

P/N 0453523 2-1

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

REFRIGERANT

The correct type of refrigerant will be stamped on

each merchandiser’s serial plate. The case refrig-

eration piping is leak tested, factory sealed and

pressurized. Before making refrigeration hookups,

depress the universal line 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 case.

After connections have been made, seal this outlet

thoroughly. Seal both the inside and the outside.

We recommend using an expanding polyurethane

foam insulation.

Multiplexing

Piping of merchandisers operating on the same

refrigeration system may be run from merchandis-

er to merchandiser. DO NOT RUN REFRIGERANT

LINES THROUGH MERCHANDISERS THAT ARE NOT

ON THE SAME REFRIGERATION SYSTEM BRANCH as

this may result in poor refrigeration control and

compressor failure.

Interconnecting piping inside the merchandiser

must be located as shown below to allow room

for lifting the hinged fan plenums and for

clearance beneath the display pans. Or the inter-

connecting piping may be run outside the case in

the raceway area shown.

Line Sizing

Refrigerant lines should be sized as shown on

the refrigeration legend that is furnished for the

store or according to ASHRAE guidelines.

Refer to the information on the next page for

branch line piping of Hussmann Equipment.

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

Pan

Piping

Locations

Pod

Fan Plenum

When brazing pipes, be sure to use the

insulation blanket shipped with the

merchandiser to prevent damage to the

plastic case bottom.

CAUTION

2-2 REFRIGERATION / ELECTRICAL

P/N 0453523

INSULATION

The suction and liquid lines should be clamped or

taped together and insulated for a minimum of

30 ft (9144 mm) from the merchandiser.

Additional insulation for the balance of the liquid

and suction lines is recommended wherever con-

densation

drippage is objectionable or lines are exposed to

ambient conditions.

SUCTION LINE

• Pitch in direction of flow.

• May be reduced by one size at one third of

case run load and again after the second third.

Do not reduce below the case suction line

size.

• Case suction lines should enter at the top of

the branch line.

LIQUID LINE

• May be reduced by one size after one half the

case run load. Do not reduce below the case

liquid line connection size.

• Take-offs to case liquid lines should exit the

bottom of the branch liquid line. Provide an

expansion loop for each evaporator take-off

(minimum 3 in. [76 mm] loop).

Suction Line Return

Offtime Defrost

Liquid Line

Suction Line

8 Ft Case

(2438 mm)

12 Ft Case

(3658 mm)

8 Ft Case

(2438 mm)

12 Ft Case

(3658 mm)

Minimum Loop

3-in. (76 mm)

Liquid Line Take Off

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