Structural Concepts CO43RM, CO53R Operator’s Manual

READ AND SAVE THESE INSTRUCTIONS

INSTALLATION AND

OPERATING MANUAL

SELF-SERVICE REFRIGERATED MERCHANDISER

Model CO43R With

Curved End Panels

Model CO43RM
Under Counter Unit

Model CO33R With

Counter End Panels And

Continuous Top & Front

PN 20-24002

Model CO3436RG.5716

Without Front Panel / With Angled

Riser and Vertical Sneeze Guard

Model CO63R With

Counter End Panels And

Continuous Top & Front

Model CO3436R.5716 and
CO4836RG.5716 (Glycol Unit)
Includes SCC’s Model BDXXXX
Removable Bread Display On
Counter (Next To Sneeze Guard)

Model CO3034RG.5718 &

CO3034RG.5718A

With Product Steps

Models Represented In This Operating Manual

CO33R / CO43R / CO53R / CO63R / CO43RM / CO4324R /

CO63RM / CO3034RG.5718 / CO3034RG.5718A /

CO3436RG.5716 / CO4836R.5716 / CO4836RG.5716

888 E. Porter Road · Muskegon, MI 49441 Phone: [phone] Fax: [phone] www.structuralconcepts.com

Oper Manuals\Oasis\COXXR_COXXRM_COXX34RG_COXX36RG_20-24002.pub

Rev J Date: 2.24.2015

TABLE OF CONTENTS

OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING / PLUGS ……....…..

SHIPPING BRACKET REMOVAL / TOE-KICK REMOVAL / REMOVING CASE FROM SKID ……...
CAULKING / SEALING / BOLTING ADJOINED UNITS …………………………………………………..
SHIMMING FRAME SUPPORT RAILS / ADJUSTING LEVELERS ……………………………………...

START-UP AND OPERATION: T’STAT / MAIN POWER SWITCH / LIGHTS SWITCH / FILTER ......

PRODUCT PLACEMENT / HONEYCOMB AIRFLOW CONSIDERATION / LOAD LINES …………...
MAINTENANCE - TOE-KICKS / LIGHT FIXTURES / NIGHT CURTAIN, HON EYCOMB,

THERMOMETER ……………………………….…………...….....………………….……………..…

MAINTENANCE - REMOVABLE FRONT PANELS (NON-MAGNETIC) .………………………………..
MAINTENANCE - REMOVABLE FRONT PANELS (MAGNETIC) ……………………………………….

MAINTENANCE - LED LIGHT FIXTURE / LOCATION / REPAIR / REPLACEMENT ...…………….....

MAINTENANCE - OPTIONAL NIGHT AIR CURTAIN OPERATING INSTRUCTIONS ….……………..
MAINTENANCE - ELECTRICAL ACCESS AND COMPONENTS ……………………………… ……….
MAINTENANCE - REAR COMPONENT LAYOUT (MODEL CO3436RG.5716 ONLY) …..…………...
MAINTENANCE - OPTIONAL SECURITY COVER (MODEL CO43RM / CO63RM, ETC.) ……………
MAINTENANCE - MODEL CO4836R.5716 & CO4836RG.5716 / REMOVABLE BREAD DISPLAY...

REFRIGERATION - EVAPORATOR AREA: MODELS CO33R / CO43R / CO4324R / CO53R /
CO63R …………………………………………………………………………………………………...
REFRIGERATION - EVAPORATOR AREA: MODELS CO43RM / CO63RM (AND SIMILAR UNITS)
REFRIGERATION - EVAPORATOR AREA: MODELS CO3434RG.5716, CO3436RG.5716,
CO3034RG.5718 & CO3034RG.5718A ..…………………………………………………………...
REFRIGERATION - CONDENSATE PACKAGE ACCESS (SCREW REMOVAL REQUIRED) ………
REFRIGERATION - CONDENSATE PACKAGE ACCESS (NO SCREW REMOVAL REQUIRED) ….
REFRIGERATION - CONDENSATE PACKAGE ILLUSTRATED PARTS BREAKDOWN (CO**R) …
REFRIGERATION - CONDENSATE PACKAGE (CO3436RG.5716 / CO3034RG.5718 /
CO3034RG.5718A) …………………………………………………………………………………….

GENERAL CLEANING (TO BE PERFORMED BY STORE PERSONNEL) - EXTERNAL .…………...

GENERAL CLEANING (TO BE PERFORMED BY STORE PERSONNEL) - INTERIOR .......………...

GENERAL CLEANING (BY TRAINED SERVICE PROVIDERS ONLY) ………………………..….….…

TROUBLESHOOTING (TO BE PERFORMED BY STORE PERSONNEL) ...…...……………………....

TROUBLESHOOTING (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY) …...…..
TROUBLESHOOTING (BY TRAINED SERVICE PROVIDERS ONLY) - CONDENSING SYSTEM ….
TROUBLESHOOTING (BY TRAINED SERVICE PROVIDERS ONLY) - EVAPORATOR

SYSTEM .....................................................................................................................................

PREVENTIVE MAINTENANCE (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS
ONLY) …………………………………………………………………………………………………...
PREVENTIVE MAINTENANCE: HONEYCOMB AIR DIFFUSERS (TO BE PERFORMED BY
TRAINED SERVICE PROVIDERS ONLY) …...………...…………………………………………..

SERIAL LABEL & LOCATION / TECHNICAL INFORMATION / ADD’L INFORMATION ...............….

CAREL® CONTROLLER - PROGRAMMING THE INSTRUMENT….………………………….……....

CAREL® CONTROLLER - USER INTERFACE, SUMMARY TABLES OF ALARMS & SIGNALS ….
CAREL® CONTROLLER - Summary Table of Operating Parameters (After Programming Key) ..

SCC TECHNICAL SERVICE CONTACT INFORMATION & LIMITED WARRANTY …………………

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OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING / PLUGS - PAGE 1 of 2

OVERVIEW

 These Structural Concepts merchandisers are

designed to merchandise packaged products at 41 °F
(5 °C) or less product temperatures.

 Product must be pre-chilled to 41 °F (5 °C) or less

prior to being placed in merchandiser.

 Cases should be installed and operated according to

this operating manual’s instructions to ensure proper
performance.

 Improper use will void warranty.

TYPE I vs. TYPE II ENVIRONMENTAL CONDITIONS

This unit is designed for the display of products in ambient
store conditions where temperature and humidity are
maintained within a specific range.

 Type I display refrigerators are intended for use in an

area where environmental conditions are controlled and
maintained so that the ambient temperature does not
exceed 75 °F (24 °C) and 55% maximum humidity.

 Type II display refrigerators are intended for use in an

area where environmental conditions are controlled and
maintained so that the ambient temperature does not
exceed 80 °F (27 °C) and 60% maximum humidity.

 If unsure if your unit is Type I or II, see tag next to serial

label. See SERIAL LABEL LOCATION &
INFORMATION LISTED / TECH INFO & SERVICE
section in this manual for sample serial labels.

COMPLIANCE

 Performance issues when in violation of applicable

NEC, federal, state and local electrical and plumbing
codes are not covered by warranty.

 See below compliance guideline.

WARNINGS

 This sheet contains important warnings to prevent

injury or death.

 Please read carefully!

PRECAUTIONS, CORD/PLUG MAINTENANCE &
WIRING DIAGRAM INFORMATION

 See next page for PRECAUTIONS, CORD/PLUG

MAINTENANCE and WIRING DIAGRAM information.

ATTENTION

CONTRACTORS

WARNING

ELECTRICAL

HAZARD

WARNING

KEEP
HANDS
CLEAR

WARNING

HOT

SURFACE

COMPLIANCE

This equipment MUST be installed in compliance with

all applicable NEC, federal, state and local

electrical and plumbing codes.

WARNING

Risk of electric shock. Disconnect power before servicing unit.

CAUTION! More than one source of electrical supply is

employed with units that have separate circuits.

Disconnect ALL ELECTRICAL SOURCES before servicing.

WARNING

Hazardous moving parts. Do not operate unit with covers removed.

Fan blades may be exposed when deck panel is removed.

Disconnect power before removing deck panel.

WARNING

Condensate pan and overflow condensate pan is hot!

Allow to cool before cleaning or removing from case.

3

OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING / PLUGS - PAGE 2 of 2

PRECAUTIONS

 Following are important precautions to prevent

damage to unit or merchandise.

 Please read carefully!
 See previous page for specifics on OVERVIEW,

TYPE, COMPLIANCE and WARNINGS.

CAUTION! LAMP REPLACEMENT GUIDELINES

LED lamps reflect specific size, shape and overall design.

CAUTION

Any replacements must meet factory specifications.

Fluorescent lamps have been treated to resist breakage and

must be replaced with similarly treated lamps.

CAUTION! GFCI BREAKER USE REQUIREMENT

If N.E.C. (National Electric Code) or your local code

requires GFCI (Ground Fault Circuit Interrupter) protection,

you MUST use a GFCI breaker in lieu of a GFCI receptacle.

WIRING DIAGRAM

 Each case has its own wiring diagram folded and in

its own packet.

 Wiring diagram placement may vary; it may be

placed near ballast box, field wiring box, raceway
cover, or other related location.

CAUTION

CAUTION! POWER CORD AND PLUG MAINTENANCE

Risk of electric shock. If cord or plug becomes damaged,

replace only with cord and plug of same type.

CAUTION! ADVERSE CONDITIONS / SPACING ISSUES

 Performance issues caused by adverse conditions are NOT warranted.
 End panels must be tightly joined or kept at least 6-inches away from

any structure to prevent condensation.

 Unit must be kept at least 15-feet from exterior doors, overhead HVAC

vents or any air curtain disruption to maintain proper temperatures.

 Unit must not be exposed to direct sunlight or any heat source (ovens,

fryers, etc.).

 Tile floors, low ceilings or small rooms will increase noise level.

Whisper Cool compressor blanket or remote unit may resolve noise
level issues.

 Keep at least 8-inch clearance above unit for air discharge

(self-contained units only).

CAUTION! CHECK CONDENSATE PAN

Water on flooring can cause extensive damage!

 Condensate pan MUST BE positioned directly under condensate drain.
 Overflow pan plug MUST BE securely plugged into receptacle.

Before powering up unit, check the following:

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SHIPPING BRACKET REMOVAL / TOE-KICK REMOVAL / REMOVING CASE FROM SKID

1. Removing Shipping Brackets Attached
To Skid

 Remove screws holding case shipping brackets

to skid.

 Remove case shipping brackets from skid.
 See illustrations at right. Note: Shipping brackets

Various Types Of
Shipping Brackets
Shown With

will vary in size, shape, material and location
depending upon case type and model.

2. Remove Front / Rear Toe-Kicks Before
Removing From Skid

 Toe-kicks are normally shipped separately.
 If toe-kicks are attached to case, they must be

removed.

 Toe-kicks may be attached to case via slot /

magnet method.

 Remove toe-kick by pulling away from lower

magnet and lifting up and off hooks.

 No screw removal is required.
 See illustrations at mid-right.

3. Remove Case From Skid

 To prevent damage, support case while sliding it

toward edge of skid ).

 IF NO CASTERS ARE ON SKID, tip case slightly

back and slide skid from underside of case.
When case is at edge of skid, carefully lower
to floor (so two levelers rest on floor).

 IF CASTERS ARE ON CASE, it may be rolled

off skid via ramp (as shown in lower-right
illustration).

 Carefully slide skid out from under case.
 After removal of case from skid, place into

position.

 Note: Illustration below-right reflects general

outline of sample case and does not reflect any

Hook
(Typical)

Magnet
(Typical)

Front Panel/Toe-Kick

(For Slot/Hooks and

Magnet System)

particular model or options).

4. Position/Align Case Alongside Other
Cases

 If lineup requires it, be sure to position/align your

case alongside adjoining cases before adjusting
levelers or shimming frame support rails.

 Also, see next page for instructions on caulking,

sealing and bolting to adjoining cases prior to
adjusting levelers or shimming frame support
rails.

 This may require the repositioning of the case

you are installing or

the already positioned cases.

Note: View at Right

Shows Partially

Disassembled Case

For Illustrative

Purposes Only.

5

CAULKING / SEALING / BOLTING ADJOINED UNITS

Caulking, Sealing, Bolting Adjoined Units

Note: Your model’s features or options may vary from
illustration shown below, but general guidelines apply.

Warranty will be voided if improper sealant is used. Lay a generous
bead of caulk/sealant as specified below.

 Use Industrial grade butyl caulk on non-visible areas.
 Use industrial grade silicone sealant on visible areas.
 Form Two (2) Caulk/Sealant Lines: Sanitation and Refrigeration

(see illustrations below).

 Caulking/sealing tub prevents air from escaping thru seams

between cases (which may cause condensation problems and
reduced refrigeration efficiency).

 Caulking/sealing also prevents water from seeping between

cases to the floor.

 Note: Place thicker bead of caulk around drain.
 Bolt Holes are locations shown below.
 Use 1/4-20 x 1.00” bolts and accompanying nuts.
 Remove deck pan assembly to access holes 3, 4 & 5.

Note

Butyl is to be used

on non-visible

areas.

Refrigeration

Bead

Sanitation

Bead

Silicone is to be

used on

1

2

3/4

5

Sanitation

Bead

Refrigeration
Bead

Sanitation
Bead

visible areas.

Note: Illustrations Shown May

Not Exactly Reflect Every
Feature or Option of Your

Particular Case.

Refrigeration

Bead

6

SHIMMING FRAME SUPPORT RAILS / ADJUSTING LEVELERS

1. Cases With Frame Support Rails: Shim

 Illustration at top-left shows case with frame

support rails.

 Shims will be provided on cases with frame

support rails.

 Use shims to level case.

2. Cases With Levelers: Adjust

 After case is in position, adjust case so it is level

and plumb.

 You may need to remove front and/or rear toe-

kick to access levelers.

 Use adjustable wrench (and possibly a pry bar)

to adjust leveler.

 Do not use pry bar on toe-kick (it may buckle).
 Do not use pry bar on end panel (it may chip).
 Use pry bar ONLY on base frame to avoid

damaging case.

 Use a block to reach base frames with pry bar.
 See below-right illustrations.

Frame

Support Rails

Pry Bar

Block

Leveler

Adjustable

Wrench

Base

Frame

Toe-Kick

7

START-UP AND OPERATION: THERMOSTAT / MAIN POWER SWITCH / LIGHTS SWITCH / FILTER

Thermometer is also at case rear (as shown

1. Merchandiser Start-Up

 Do not use an extension cord with this appliance.
 Do not operate this equipment with a damaged

cord, plug or outlet.

 Insure that the main power switch is off.
 Plug cord into a certified 110V electrical outlet with

ground.

 Turn main power switch on (see location at rear of

case in illustration below)
Coil fans should turn on.



From inside of the case, check for discharge



air from front baffle, to confirm that the fans
are functioning properly.

When the case is in a start-up mode or has been



idle for a long period of time, unit may require 75
minutes running time to pull-down temperature.
Turn lights on.



Light switch is next to main power switch.



The lights should come on at the same time.



Always maintain front and rear airflow clearance of



twelve inches.

 Obstruction or restriction of air can void warranty.



below), and controls internal case temperature.
Interior case temperature is to be 35 °F to 41 °F.



Note: Case temperature is determined by



case size. Temperature is controlled by a
thermostat. If a temperature setting change
is required, refer to instructions in
Temperature Controller Programming
sections of this manual.

 Note: Set point should be 40 °F. This will

maintain product temperature range. Settings
lower than 40 °F can cause food items to freeze

2. Removable, Condenser Coil Filter

 A removable filter prevents impurities (dust, dirt

and debris) from entering condenser coil.

 Filter must be removed weekly and cleaned.
 See GENERAL CLEANING (TO BE

PERFORMED BY STORE PERSONNEL) -
EXTERIOR in this operating manual for cleaning

instructions.

.

Removable, Magnetized Condenser
Coil Filter (Optional). Note
Placed over Condenser Coil Grille

: Filter is

8

START-UP AND OPERATION, CONTINUED: LOAD LIMITS

PRODUCT PLACEMENT / HONEYCOMB AIRFLOW CONSIDERATION / LOAD LINES

1. Product Placement

 Product can be placed on decking or steps

(risers) within self-service display area.

 A wide range of product may be displayed.

2. Honeycomb Airflow Consideration

 Airflow from honeycomb air diffuser is designed

to flow over (and around) product to return air
grille at case front.

 Caution! You must keep the honeycomb air

diffuser unblocked by product for airflow to reach
return air grille.

 Caution! You must ALSO keep product OFF

return air grill at case front.

 See illustration below.

3. Load Lines

 Load lines represent the maximum height that

product can be place and/or stacked in case.

 Keep product at or under load lines to assure

that refrigerated airflow is properly cycled
from honeycomb air diffuser through the
return air grille.

 Proper product placement will maintain

acceptable product temperature.

 See illustration below.

Note: Perspective View of Model

CO4836RG.5716 Is Shown At

Right And May Not Exactly Reflect

Every Feature or Option of Your

Particular Case.

Return Air Grille

Sample Product

Honeycomb Air

Diffuser

L

e

in

L

d

a

o

9

9

MAINTENANCE - TOE-KICKS / LIGHT FIXTURES / NIGHT CURTAIN, HON EYCOMB, THERMOMETER

1. Adjustable Front Toe-Kick (Models
CO33R, CO43R, CO53R, CO63R, Etc.)

 Front toe-kick is adjustable.
 Loosen screws holding front toe-kick in place.
 Lower front toe-kick to floor.
 After case is in desired position, use silicone

sealant to seal toe-kick to floor.

 See next page for removable front panel (without

screws) for models CO3434RG.5716,
CO3034RG.5718 and CO3034RG.5718A

2. Light Fixture

LED light fixture is at upper section of case as
shown in illustration below.

Note: Illustrations Shown May Not

Exactly Reflect Every Feature or

Option of Your Particular Case.

Optional Product

Step (Not on All

Cases) Shown For

Illustrative

Purposes Only

Thermometer

 LEDs rarely require change-out.
 See next page in this manual for more specifics.

3. Night Curtain

Optional night air curtain is near honeycomb.

 See OPTIONAL NIGHT AIR CURTAIN

OPERATING INSTRUCTIONS section in this

manual for more specific illustrations.

4. Honeycomb Air Diffuser

See PREVENTIVE MAINTENANCE - HONEYCOMB
(BY TRAINED SERVICE PROVIDERS ONLY)

section in this manual for complete information.

5. Thermometer

 Thermometers provide internal air temperature

only (not actual food temperature).

 Use probe thermometers to determine actual

product temperatures.

LED Light

Night Curtain

Honeycomb

Air Diffuser

10

Screw Location

(Typical)

Adjustable

Toe-Kick

MAINTENANCE - REMOVABLE TOE-KICKS (NON-MAGNETIC) / REMOVABLE RISERS (STEPS)

1. Removable Toe-Kicks

 Front toe-kick is removable.
 Simply lift up and off.
 After case is in desired position, use silicone

sealant to seal toe-kick to floor.

 See previous page for adjustable front toe-kicks

(with screws) on models CO33R, CO43R,
CO53R, CO63R, etc.

 See next page for magnetic removable front

panels.

Rear Plenum

2. Product Risers (aka “Steps”)

 Risers (“steps”) allow product to be more

prominently displayed.

 Risers are to rest on decks and be placed as far

back as possible (up against rear plenum) as
shown in illustration below.

 See GENERAL CLEANING (TO BE

PERFORMED BY STORE PERSONNEL) -
INTERIOR in manual for instructions on cleaning

risers/steps.

Product Risers
(aka “Steps”)

Hooks (Typical)

Front Panel

(With Slots For Hooks)

11

MAINTENANCE - REMOVABLE FRONT TOE-KICKS (MAGNETIC SYSTEM)

Removable Magnetized Front Panels

 These panels are found on models

CO3434RG.5716, CO3436RG.5716,
CO3034RG.5718 and CO3034RG.5718A

 Toe-kicks are shipped separately.
 Toe-kicks are to be placed on case via slot/

magnet attachment method.

Note: Illustrations Shown May Not

Exactly Reflect Every Feature or

Option of Your Particular Case.

 Remove toe-kick by pulling away from lower

magnet and lifting up and off hooks.

 No screw removal is required.
 See illustrations below
 See previous page for slot/hook removable front

panels.

Hook
(Typical)

Magnet
(Typical)

Front Panel

(For Slot/Hooks and Magnet System)

12