Hussmann MicroSC ISMGG2DA-A Bedienungsanleitung

ISMGG2DA-A

Medium Temperature Self Contained

Horizontal Merchandiser

with R-290 Refrigerant

Installation &

Operation Manual

P/N 3110586_A

February 2020

Spanish 3110587

MANUAL- I/O ISMGG2DAA

WARNINGS:

If the information in these instructions are not followed

exactly, a ﬁre or explosion may result, causing property

damage, personal injury or death.

Installation and service must be performed by a qualiﬁed

installer or service agency.

READ THE ENTIRE MANUAL BEFORE

INSTALLING OR USING THIS EQUIPMENT.

The unit uses R-290 gas as the refrigerant. R-290 is

ﬂammable and heavier than air. It collects ﬁrst in low

areas but can be circulated by the fans. If propane gas

is present or even suspected, do not allow untrained

personnel to attempt to ﬁnd the cause. The propane

gas used in the unit has no odor. The lack of smell does

not indicate a lack of escaped gas. If a leak is detected,

immediately evacuate all persons from the store, and

contact the local ﬁre department to advise them that

a propane leak has occurred. Do not let any persons

back into the store until the qualiﬁed service technician

has arrived and that technician advises that it is safe to

return to the store. No open ﬂames, cigarettes or other

possible sources of ignition should be used inside or in

the vicinity of the units.

FAILURETOABIDE BYTHISWARNING COULD

RESULT INAN EXPLOSION, DEATH, INJURY AND

PROPERTY DAMAGE.

IMPORTANT

Keep in store for future reference!

P/N 3110586_A U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com

BEFORE YOU BEGIN

Read these instructions completely and carefully.

PERSONAL PROTECTION EQUIPMENT (PPE)

Personal Protection Equipment (PPE) is required whenever installing or servicing this

equipment. Always wear safety glasses, gloves, protective boots or shoes, long pants, and a

long-sleeve shirt as required when installing or servicing this equipment.

1. If the information in these instructions are not followed exactly, a ﬁre or explosion may result, causing property damage, personal injury

or death.

2. Installation and service must be performed by a qualiﬁed installer or service agency.

3. This unit is designed only for use with R-290 gas as the designated refrigerant.

THE REFRIGERANT LOOP IS SEALED. ONLY A QUALIFIED TECHNICIAN SHOULD ATTEMPT TO SERVICE!

• Propane is ﬂammable and heavier than air.

• It collects ﬁrst in the low areas but can be circulated by the fans.

• If R-290 is present or even suspected, do not allow untrained personnel to attempt to ﬁnd the cause.

• The propane gas used in the unit has no odor.

• The lack of smell does not indicate a lack of escaped gas.

• If a leak is detected, immediately evacuate all persons from the store, and contact the local ﬁre department to advise them that a

pro pane leak has occurred.

• Do not let any persons back into the store until the qualiﬁed service technician has arrived and that technician advises that it is

safe to return to the store.

• A hand-held propane leak detector (“sniffer”) shall be used before any repair and/or maintenance.

• No open ﬂames, cigarettes or other possible sources of ignition should be used inside the building where the units are located

until the qualiﬁed service technician and/or local ﬁre department determines that all propane has been cleared from the area and

from the refrigeration systems.

• Component parts are designed for propane and non-incendive and non-sparking. Component parts shall only be replaced with

identical repair parts.

FAILURE TO ABIDE BY THIS WARNING COULD RESULT IN AN EXPLOSION, DEATH, INJURY AND PROPERTY DAMAGE.

P/N 3110586_A iii

ANSI Z535.5 DEFINITIONS ............. vi

INSTALLATION

UL Listing .............................1-1

Federal / State Regulations ................1-1

Hussmann Product Control .............. 1-1

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

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

Self Contained Location ................. 1-2

Model Description ..................... 1-3

Unloading ............................ 1-3

Exterior Loading ....................... 1-3

Shipping Skid ......................... 1-3

Merchandiser Leveling .................. 1-6

Serial Plate Location .................... 1-6

Sealing Merchandiser to Floor ............ 1-6

Condensing Unit Access ................. 1-7

Self-Contained Refrigeration Equipment

Start Up Check List .................... 1-9

ELECTRICAL / REFRIGERATION

Merchandiser Electrical Data ............. 2-1

Field Wiring ........................... 2-1

Electrical Connections . . . . . . . . . . . . . . . . . . . 2-1

Electrical Outlet ........................ 2-1

Refrigeration .......................... 2-1

Before Beginning a Service or Repair ....... 2-2

Replacing Refrigeration System Components 2-3

Steps to Recover Refrigerant ............. 2-3

Charging ............................. 2-3

Waste Outlet and Water Seal ............. 2-4

START UP / OPERATION

Controller Operation .................... 3-1

Key Function .......................... 3-2

Further Information .................... 3-2

Connections ........................... 3-3

LED ................................. 3-4

KDE PLUS Buttons .................... 3-5

Setpoint .............................. 3-6

Sensor to Control Configuration............3-7

Controls Adjustments ................... 3-8

Start Up .............................. 3-9

Load Limits ........................... 3-9

Stocking .............................. 3-9

Thermometer .......................... 3-9

MAINTENANCE

Care and Cleaning ...................... 4-1

Cleaning Discharge Honeycomb .......... 4-2

Cleaning Thermometer .................. 4-2

Cleaning Coils ......................... 4-2

Cleaning Evaporation Pan ............... 4-3

Removing Scratches from Bumper ......... 4-3

Equipment Maintenance Checklist ......... 4-4

SERVICE

Replacing Evaporator Fan Motors and Blades 5-1

Replacing Evaporation Fan Motors ....... 5-2

WARRANTY

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. & Canada 1-800-922-1919 • Mexico 1-800-890-2900

www.hussmann.com

P/N 3110586_A U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com

REVISION HISTORY

ORIGINAL ISSUE — FEBRUARY 2020

* * * * * * * * * * * * * * * * * * * * * * * * * *

ANSI Z535.5 DEFINITIONS

• DANGER – Indicate[s] a hazardous

situation which, if not avoided, will

result in death or serious injury.

• WARNING –Indicate[s] a hazardous

situation which, if not avoided, could

result in death or serious injury.

• CAUTION –Indicate[s] a hazardous

situation which, if not avoided, could

result in minor or moderate injury.

• NOTICE – Not related to personal injury –

Indicates[s] situations, which if not avoided,

could result in damage to equipment.

Merchandiser must operate for 24 hours

before loading product!

Regularly check merchandiser temperatures.

Do not break the cold chain. Keep products

in freezer before loading into merchandiser.

These merchandisers are designed

for only pre-frozen products.

AT TENTION

Merchandiser must operate for 24 hours

before loading product!

Regularly check merchandiser temperatures.

Do not break the cold chain. Keep products in

cooler before loading into merchandiser.

These merchandisers are designed

for only pre-chilled products.

— LOCK OUT / TAG OUT —

To avoid serious injury or death from electrical

shock, always disconnect the electrical power

at the main disconnect when servicing or

replacing any electrical component. This

includes, but is not limited to, such items as

doors, lights, fans, heaters, and thermostats.

Case ventilation openings must be clear of any

obstructions. Do not damage the refrigerant

circuit.

Do not use mechanical devices or other means

to accelerate the defrosting process.

Do not use electrical appliances inside the food

storage compartments of the case.

All installation and operating instructions

concerning the handling, moving, and use of

these merchandisers must be carefully followed

to avoid either damaging the refrigerant tubing,

or increasing the risk of a leak.

P/N 3110586_A 1-1

HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. ISMGG2DAA Merchandisers

UL LISTING

These merchandisers are manufactured to meet

ANSI/ UL 471 standard requirements for safety.

Proper installation is required to maintain the

listing.

FEDERAL / STATE REGULATION

These merchandisers at the time they are man-

ufactured, meet all federal and state/ provincial

regulations. Proper installation is required to

ensure these standards are maintained. Near

the serial plate, each merchandiser carries a

label identifying the environment for which the

merchandiser was designed for use.

ANSI/NSF-7 Type I – Display Refrigerator /

Freezer

Intended for 75°F (24°C) / 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

HUSSMANN PRODUCT CONTROL

The serial number and shipping date of all

equipment is recorded in Hussmann’s files

for warranty and replacement part purposes.

All correspondence pertaining to warranty or

parts ordering must include the serial number

of each piece of equipment involved. This is to

ensure the customer is provided with the cor-

rect parts.

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 response to the

carrier for inspection within 15 days.

LOCATION

These merchandisers are designed for

displaying products in air conditioned stores

where temperature 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

sunlight, near hot tables or near other heat

sources could impair their efficiency. Like

other merchandisers, these merchandisers are

sensitive to air disturbances. Air currents

passing around merchandisers will seriously

impair their operation.

DO NOT allow air conditioning, electric fans,

open doors or windows, etc. to create air cur-

rents around the merchandiser.

INSTALLATION

Recommended operating ambient

temperature is between

65°F (18°C) to 75°F (23.9°C).

Maximum relative humidity is 55%.

1-2 INSTALLATION

P/N 3110586_A U.S. & Canada 1-800-922-1919 • Mexico 01 800-890-2900 • www.hussmann.com

SELF CONTAINED LOCATION

Product should always be maintained at proper

temperature. This means that from the time

the product is received, through storage, prepa-

ration and display, the temperature of the

product must be controlled to maximize the

life of the product.

Self Contained models have vented base panels

to allow air circulation through the condensing

unit.

See illustrations for clearances distances from

walls, merchandisers, and any other large

objects near the merchandiser’s vented base

panels. Blocking or restricting air flow will

adversely affect performance and may damage

the refrigeration system.

These models need clearance a minimum of 1

inch on each side and at the back of the unit.

UPPER ISLAND

LOWER ISLAND

AIR INTAKE AIR EXHAUST

1.3

This warning does not mean that Hussmann products

will cause cancer or reproductive harm, or is in

violation of any product-safety standards or

requirements. As clarified by the California State

government, Proposition 65 can be considered more of

a‘right to know’ law than a pure product safetylaw.

When used as designed, Hussmann believes that our

products are notharmful. We provide the Proposition

65 warning to stay in compliance with California State

law. It is your responsibility to provide accurate

Proposition 65 warning labels to your customers when

necessary. For more information on Proposition 65,

please visit the California State government website.

August 31, 2018

Top View

Side View

Air intake

through

bottom grille

Air intake

through

side grille

FRONT VIEW

Keep discharge and intake areas free

from air currents.

Air exhaust near

bottom grille

4-inch Clearance

Air

intake

Air

exhaust

Lower Island

Upper Island

P/N 3110586_A 1-3

HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. ISMGG2DAA Merchandisers

MODEL DESCRIPTION

ISMGG2DAA merchandisers offer versatility

for the display of food items such as: fresh

fruit, vegetables, cheeses and other delicatessen

items. Carefully read and follow the instruc-

tions prior to operating the merchandiser.

UNLOADING

Unloading from Trailer:

Lever Bar (also known as a Mule, Johnson

Bar, J-bar, Lever Dolly, or Pry Lever)

Move the merchandiser as close as possible to

its permanent location and remove all packaging.

Check for damage before discarding packaging.

Remove all separately packed accessories such

as kits and shelves.

Improper handling may cause damage to the

merchandiser when unloading. To avoid damage:

1. Do not drag the merchandiser out of the

trailer. Use a Johnson bar (mule).

2. Use a forklift or dolly to remove the

merchandiser from the trailer.

EXTERIOR LOADING

Do NOT walk on top of merchandisers or

damage to the merchandisers and serious

personal injury could occur. Do not stand

inside of merchandiser

SHIPPING SKID / CRATE

Each merchandiser is shipped on a skid to

protect the merchandiser’s base, and to make

positioning the case easier.

Do not remove the shipping skid until the

merchandiser is near its final location. The

skid provides protection for both the merchan-

diser and the floor.

DO NOT TILT MERCHANDISER ON ITS

SIDE OR END WHEN REMOVING SKID.

Once the skid is removed, the merchandiser

must be lifted —NOT PUSHED— to reposition.

Check floor where merchandisers are to be set

to see if it is a level area. Determine the highest

part of the floor.

To remove the shipping crate do the following:

Do NOT remove shipping crate until the

merchandiser is positioned for installation.

Do NOT stand or walk on top of

merchandiser. Do not store items or

ammable materials atop the unit.

1-4 INSTALLATION

P/N 3110586_A U.S. & Canada 1-800-922-1919 • Mexico 01 800-890-2900 • www.hussmann.com

2. Use a cordless screwdriver to remove the

screws attached at the sides, front and rear of

the crate.

3. Remove the protector plastic bag, which

is covering the case. Carefully remove the

strapping wrapped around the case. Remove

white protectors around the case (10 pieces).

4. Remove the frontal screws from the skid-

crate brackets. (4 brackets total).

5. Identify the taller case. Remove the case

from the skid with a fork lift. Set the forks

below the taller case base, between rail base

and wood skid. Maximum fork opening is

29 ½ inches in order to avoid damaging the

casters.

Taller

Case

Forklift

Direction

Frontal

Screws

Brackets

P/N 3110586_A 1-5

HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. ISMGG2DAA Merchandisers

The power cord is located below the frontal

baffle, taller case, attached with cable ties.

6. Lift case with forklift, and remove the

screws from the shipping braces (both sides

of the case) in order to set the case to its final

location.

Power

Cord

Maximum Forklift Opening is 29 ½ inches

Shipping

Braces

1-6 INSTALLATION

P/N 3110586_A U.S. & Canada 1-800-922-1919 • Mexico 01 800-890-2900 • www.hussmann.com

MERCHANDISER LEVELING

Besure to position merchandisers

properly. Level the merchandiser by all four

corners. Merchandiser(s) must be installed

level to ensure proper operation of the

refrigeration system, and to ensure proper

drainage of defrost water.

SERIAL PLATE LOCATION

The serial plate is located on the inside of the

merchandiser’s display area near the return air.

NOTE:

Impacts from shopping carts can cause wood to wear,

cracks, chipping or peeling. To avoid these impacts, it

is required to install a floor bumper (or alike) around

the case or other type of protection to prevent damage

to the wood.

SEALING MERCHANDISER TO FLOOR

If required by local sanitary codes, or if the

customer desires, merchandisers may be sealed

to the floor using a vinyl cove base trim.

The size needed will depend on how much

variation there is in the floor, from one end of

the merchandiser to the other. Sealing of the

lower front and rear panels on self contained

models may hamper their removal for servicing

or maintenance of the condensing unit.

NOTE:

Do not allow trim to cover any intake or discharge

grilles located in the lower front panel.

Serial Plate

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