Hussmann micro SC SIM-4AA User manual

SIM-4AA ISLAND
MERCHANDISER
with R-290 Refri
g
erant
DOE 2017
Energy
Efficiency
Compliant
Hussmann refrigerated merchandisers configured for sale for use in the United States
meet or surpass the requirements of the DOE 2017 energy efficiency standards.
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
hasarrivedandthattechnicianadvisesthatitissafeto
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 IN AN EXPLOSION, DEATH, INJURYAND
PROPERTY DAMAGE.
IMPORTANT
Keep in store for future reference!
Installation &
Operation Manual
P/N 3179796999
May 2023

2
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. ThisunitisdesignedonlyforusewithR-290gasasthedesignatedrefrigerant.
THE REFRIGERANT LOOP IS SEALED. ONLY A QUALIFIED TECHNICIAN SHOULD ATTEMPT TO S E R V I C E !
• 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.

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safety
law.Whenusedasdesigned,Hussmannbelievesthat
ourproductsarenotharmful.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.
U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com
* * * * * * * * * * * * * * * * * * * * * * * * * *
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.
ATTENTION
—LOCKOUT/TAGOUT—
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.

Table of Contents
4
CONTENT SUBCONTENT PAGE
NoticeonLoadingandHandling 5
GeneralInformation 6
SectionandPlanViews 7
Specifications/DataSheet 8
Installation
Preparation 9‐10
Lifting&Transporation‐ UsingJ‐Bars&Dollies 11
ForkLiftGuidance 12
MethodforLeveling 13
BodyPanels 14
UserInformation StartupandSetup 15
Checklist 16
Maintenance CleaningExteriorandInterior 17‐20
MaintenanceTips 20
Electrical
GeneralInformation 21
ComponentLocations 22
Self‐ContainedComponentLocations 23
ControllerInformation 24
WiringDiagramSIM4AA 25
Refrigeration
SerialPlateLocation/Piping/LineSizing/OilTraps 26
Serviceand/orRepair 27‐29
WaterOutlet 29
TroubleShooting 30‐31
Service EvaporatorFanReplacement 32
PerimeterPlexReplacement 33
PartsDiagram 34
PartsList 35

Notice
WARNING
IMPORTANT
‐DONOTATTEMPTTOMOVE
THEMERCHANDISERBY
APPLYINGFORCETOTHEUPPER
PLEXAREA(EVENIFWOODEN
BRACESAREPRESENT)
‐APPLYPUSHINGFORCESNEAR
THELINER/TUBAREAINORDER
TOBRINGMERCHANDISERSTO
THEFINALPOSITION
‐DONOTLoadorstandoverthetopofthecase.
Glassbreakagemayoccurifprecautionsaredisregarded
*Brokenglasscancauselacerations,cuts,andpuncturewoundswhichmayresultseveredarteries
ortendons,amputations,eyeinjuries,orexposuretodisease.
5

General Information
CaseDescription:
Description: Island Merchandiser
Shipping Damage: All equipment should be thoroughly examined for shipping damage before and
during unloading. This equipment has been carefully inspected at our factory and the carrier has
assumed responsibility for safe arrival. If damaged, either apparent or concealed, claim must be
made to the carrier Immediately.
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. The carrier
will supply necessary claim forms.
Concealed Loss or Damage: When loss or damage is not apparent until after all equipment is
uncrated, a claim for concealed damage is made. Make request in writing to carrier for inspection
within 15 days and retain all packaging. The carrier will supply inspection report and required claim
forms.
Shortages: Check your shipment for any possible shortages of material. If a shortage should exist
and is found to be the responsibility of Hussmann, notify Hussmann. If such a shortage involves the
carrier, notify the carrier immediately, and request an inspection. Hussmann will acknowledge
shortages within ten days from receipt of equipment.
Hussmann Product Control: The serial number and shipping date of all equipment have been
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, in order to provide the customer with the correct parts.
Location/Store Conditions: The SIM-AA island merchandiser has been designed for use only in air-
conditioned stores where temperature and humidity are maintained at or below 75°F Dry bulb and
55% relative humidity. The case is also rated to operate in Type 2 conditions (80F / 55%RH). See
specification sheets for setting changes. DO NOT allow air conditioning, electric fans, ovens, open
doors or windows (etc.) to create air currents around the merchandiser, as this will impair its correct
operation.
Keep this booklet with the case at all times for future reference.
ATTENTION
INSTALLER
This equipment is to be installed
to comply with the applicable
NEC, Federal, State, and Local
Plumbing and Construction
Code having jurisdiction.
6

Case Sections
SIM-AA
ISLAND
Case Plan Views
SIM4AA
7

Specifications 8
R-290 Charge size of 150 grams

Snapping Chalk Lines
Mark floors with Chalk snap lines where cases
are to be located. Chalk lines are to run along
the base or legs of cases.
Receiving Case and Preparing for Installation
Prepare By:
1. Inspect equipment for damage. Any claim for loss or
damage must be made to the carrier. The carrier will
provide any necessary inspection/claim form. If
there is 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.
2. Read instructions and warnings on handling and
transportation. Ensure the proper transportation
equipment is being used.
3. Survey and mark out the installation area and plan
footprint. Snapping chalk lines is recommended.
IMPORTANT
‐PLASTICWRAPMAYBEREMOVEDTOACCESSPARTS,WARNINGS,ANDINSTRUCTIONS
Installation – Preparation
9

Receiving Case and Preparing for Installation
Installation – Preparation
10
Unpacking:
(Cordless drill or Screwdriver required)
1. Remove top section of crate.
2. Remove all 4 crate sides.
3. Remove all 4 shipping brackets from case & pallet.
4. Lift & slide case off pallet and place on floor or dollies.
J-bar maybe used to lift case (see next page for placement).