Structural Concepts Oasis B824TM Bedienungsanleitung

Rev E Date: 3.25.2015

PN 54298

READ AND SAVE THESE INSTRUCTIONS

I:\Oper Manuals\Oasis\B424TM_4489_4857_B824TM_54298.pub

Model B424TM……………………………………...…..... 47 1/4”L* x 25”D x 84 3/4”H~

Model B424TM.4489……………...……………….…….. 47 1/4”L* x 25”D x 84 3/4”H~

Model B424TM.4857……………...……………….……...47 1/4”L* x 25”D x 84 3/4”H~

Model B824TM……………………...……………….…….92 1/4”L* x 25”D x 84 3/4”H~

*Includes End Panels

~ Units With Levelers Extended 1 5/8” Below Base Frame To Attain Listed Height

IN AISLE SELF-SERVICE REFRIGERATED CASES WITH TOP MOUNT CONDENSER PACKAGE

888 E. Porter Road · Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 www.structuralconcepts.com

INSTALLATION AND

OPERATING MANUAL

MODEL B824TM Shown

(With Optional Upper Lights)

MODEL B424TM Shown

(With Optional Night Air Curtain)

TABLE OF CONTENTS

OVERVIEW / NSF® TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS ...……….....…...……….

INSTALLERS: FOLLOW THESE INSTRUCTIONS! ………….………………………………………..…..

POSITIONING CASE / SHIMMING SUPPORT RAILS / ADJUSTING LEVELERS ………………..…...

CASE STARTUP & REFRIGERATION PACKAGE ACCESS - MODELS B424TM, B424TM.4489 &

B424TM.4857 ...…………………………………………………………………………………...…...

CASE STARTUP & REFRIGERATION PACKAGE ACCESS - MODEL B824TM ONLY …………..….

CASE STARTUP & REFRIGERATION ASSEMBLY ACCESS - EVAP. COIL FAN / TXV VALVE ...…

HONEYCOMB AIR DIFFUSER ACCESS / REMOVAL / INSTALLATION .……………...…………..….

LIGHT FIXTURES (INCLUDING OPTIONAL LIGHTS IN HEADER) ..………………………………..….

CONDENSATE PUMP AND PAN ACCESS …..………………………………………………………..…..

OPTIONAL NIGHT AIR CURTAIN OPERATING INSTRUCTIONS ……………………………………...

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

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

GENERAL CLEANING (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY) ……....

PREVENTIVE MAINTENANCE (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS

ONLY) …....................................................................................................................................

TROUBLESHOOTING (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY) …..…..

TROUBLESHOOTING - CONDENSING SYSTEM (TO BE PERFORMED BY TRAINED SERVICE

PROVIDERS ONLY) …..……………………………………………………………………………..

TROUBLESHOOTING - EVAPORATOR SYSTEM (TO BE PERFORMED BY TRAINED SERVICE

PROVIDERS ONLY) …..............................................................................................................

SERIAL LABEL LOCATION & INFORMATION LISTED / TECH INFO & SERVICE …..…………...…..

CAREL® CONTROLLER OPERATING INSTRUCTION ………………………………………………......

SCC TECHNICAL SERVICE CONTACT INFORMATION & WARRANTY INFORMATION .................

3-4

18-19

23-25

OVERVIEW / NSF® TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS - PAGE 1 of 2

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

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

Condenser Pan / Hot Gas Loop Condensate System is Hot!

Disconnect and allow to cool

before cleaning or removing from case.

WARNING

ELECTRICAL

HAZARD

WARNING

KEEP

HANDS

CLEAR

WARNING

HOT

SURFACE

OVERVIEW

 These Structural Concepts Oasis® self-service

cases are designed to merchandise packaged

products at 41 °F (5 °C) or less product temperatures

(unless custom cases with wire rack shelving).

 Cases should be installed and operated according to

this operating manual’s instructions to insure 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

 Following are important warnings to prevent injury or

death.

 Please read carefully!

 See next page for PRECAUTIONS.

COMPLIANCE

This equipment MUST be installed in compliance with

all applicable NEC, federal, state and local

electrical and plumbing codes.

ATTENTION

CONTRACTORS

OVERVIEW / NSF® TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS - 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 I AND TYP II ENVIRONMENTAL CONDITIONS,

COMPLIANCE and WARNINGS.

CAUTION

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.

CAUTION

Fluorescent lamps have been treated to resist breakage

and must be replaced with similarly treated lamps.

CAUTION! ADVERSE CONDITIONS / SPACING ISSUES

 Performance issues caused by adverse conditions are NOT covered

by warranty.

 End panels must be 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

WIRING DIAGRAM FORMAT & LOCATION

 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.

1. Remove Shipping Brackets Attached to Skid

 Remove screws holding Case Shipping Brackets to skid.

 Remove Case Shipping Brackets from Skid.

 See illustration at right. Note: Shipping Brackets will vary

in size, shape, material and location depending upon case

type and model.

2. Remove Unit From Skid

 While supporting case, carefully slide case off from skid at

either left or right side of case (NOT at case rear or front).

 See illustration at mid-right for method.

 Remove Shipping Support Board

 Place into proper position.

3. Attach Condensate Pan to Unit

 Condensate pump pan is shipped separately from case.

 After case is in position, plug cord into electrical box at

underside of case, hook condensate hose to pump nozzle.

 Slide into place (at case underside).

 See illustrations 3A through 3D below.

 Note: Images 3A through 3D are for illustrative purposes

only. Though images may show condensate pan on skid,

case has been removed from skid prior to these steps.

 Caution! Be sure to loop the pump’s electrical cord

through the cord hooks under the case.

Carefully Slide

Case Off Skid

Shipping

Support Board

Condensate

Pump Pan

Pump Nozzle

Electrical cord from pump (to be

looped through the cord hooks

under the case).

Condensate Pump

Pan Support

Bracket (one at

either side)

Condensate

Pump Hose Drain Pipe (to

be positioned

over

condensate

pump pan)

View of Condensate Pump

Pan (Positioned Properly and

Fully Connected)

Sliding Condensate

Pump Pan under case

I:\Oper Manuals\Specialty\CDR4489.B424TM Skid RemovalSheet\4489.B424TM_Skid_Removal_Sheet_54413.pub Rev B Date: 1.22.2011

Case

Shipping

Brackets

INSTALLERS: FOLLOW THESE INSRUCTIONS SCC P/N 54113

POSITIONING CASE / SHIMMING SUPPORT RAILS / ADJUSTING LEVELERS

Note: Units shown may not depict an exact representation of your particular unit being installed.

Pry Bar Base

Frame

Leveler

Adjustable

Wrench

Toe-Kick

1. Position & Align Case Alongside Other

Cases

 Before adjusting levelers (or shimming frame

support rails), make certain that the case is

in proper position and, if required, aligned

with adjoining case(s).

 This may require the repositioning of the

case you are installing or the already

positioned case(s).

2. Cases With Frame Support Rails: Shim

 Illustration at top right shows case with frame

support rails.

 Shims will be provided with all cases that

have frame support rails.

 Use shims to level case.

 Note: After case is in position, it must be

sealed to floor to prevent entry or

leakage of liquid or moisture.

3. Cases With Levelers: Adjust Levelers

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

level and plumb (as shown at right).

 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 as 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.

 See illustration and photos at lower right.

Frame Support

Rails

Frame Support

Rails

CASE STARTUP & REFRIGERATION PKG. ACCESS - MODELS B424TM, B424TM.4489 & B424TM.4857

Main Power

Switch

Electrical and Control Access

 Main power cord and switch are accessible from

the top front right hand side of header assembly.

 Thermostat control settings / refrigeration service

ports / evaporator pan are also accessible from top.

 Illustration below provides layout of components.

Condensate Pan Access

Warning! Disconnect power before providing

maintenance and service to unit.

 Condensate pan is accessible from the top of the

unit.

 Unplug the evaporator pan from its outlet.

 Remove screws holding the condensate pan foot to

the compressor pan (see illustration below).

Thermostat

Controller

Condensate Pan

and Removal

Screws

Condenser

Coil --- Case Front ---

CompressorReceiverReceiverSight Glass

Condenser

Coil Fans

Compressor

Electrical Box

Ballast Box /

Contactor / Terminal

Strip / Thermostat

Controller /

Main Power Switch

 Caution! To avoid injury, check temperature of

pan prior to handling condensate pan.

 If condensate pan must be removed from unit

(to properly clean), remove carefully by lifting

condensate pan up and off base.

 Empty condensate pan contents into suitable

container.

 See PREVENTIVE MAINTENANCE (TO BE

PERFORMED BY TRAINED SERVICE

PROVIDERS) section in this manual for

cleaning specifics.

 When done servicing or cleaning, return and

reconnect in reverse order it was removed.

 Note: See next page for Model B824TM

refrigeration package layout & access.

CASE STARTUP & REFRIGERATION PACKAGE ACCESS - MODEL B824TM ONLY

Main Power

Switch Thermostat

Controller

Accumulator

Condenser

Coil

--- Case Front ---

Receiver Sight Glass

Condenser

Coil Fans

Electrical Box

For Overflow

Unit

Ballast Box /

Contactor / Terminal

Strip / Thermostat

Controller / Main

Power Switch

Hot Gas

Condensate

Coils and Pan

Scroll

Compressor

Electrical

Box

Drain (From Hot

Gas Condensate

Coils and Pan

Filter Dryer

Electrical and Control Access

 Main power cord and switch are accessible from the

top front right hand side of header assembly.

 Thermostat control settings / refrigeration service

ports / evaporator pan are also accessible from top.

 Illustration below provides layout of components.

Hot Gas Loop Condensate Pan (and Electric Coil

Overflow Pan) Access

Warning! Turn off Main Power Switch Before

Providing Maintenance or Service to Unit.

 Both hot loop condensate pan and electric coil over-

flow pan is accessible from top of unit.

 Caution! Before accessing pans, turn main

power off and allow to cool!

 To avoid injury, check temperature of pans

prior to accessing.

 See PREVENTIVE MAINTENANCE (TO BE

PERFORMED BY TRAINED SERVICE

PROVIDERS) section in this manual for

cleaning specifics.

 When done servicing or cleaning, turn main

power switch back on.

 Note: See previous page for other models’

refrigeration package layout & access

instructions.

CASE STARTUP & REFRIGERATION ASSEMBLY ACCESS - EVAP. COIL FAN / TXV VALVE

1. Evaporator Coil Fan Discharge

When Main Power Switch is turned on, Refrigeration Assembly will energize (see CASE START-UP &

REFRIGERATION ASSEMBLY ACCESS section).

 Evaporator Coil fan should turn on. From inside of the case, check for discharge air from honeycomb

discharge duct (see next page for honeycomb location), to confirm that the fan is functioning properly.

 When the case is in a start up mode or has been idle for a long period of time, the unit will require 75

minutes of run time to pull-down temperature.

2. TXV Valve

 TXV Valve (at Customer Front-Left of Case).

 Decking must be removed for access.

 See illustration below for location.

Evaporator Coil

fan assembly

Decking

View of TXV valve after

customer end panel

removed (for illustrative

purposes only).

HONEYCOMB AIR DIFFUSER ACCESS / REMOVAL / INSTALLATION

1. Honeycomb Air Diffuser Removal

 Honeycomb is located in discharge air duct.

 Use a device of suitable strength and agility such as a ballpoint pen or long nose pliers.

 Wedge instrument in Honeycomb near the Front Honeycomb Retainer Lip (see illustration below).

 Applying pressure toward case rear, so that Honeycomb will scrunch together; then pry downward and

away from the top light and discharge panel.

 Pull honeycomb out fully buy grasping with fingers and pulling downward.

2. Honeycomb Air Diffuser Installation

 Insert honeycomb up into Rear Honeycomb Retainer Lip first.

 Apply pressure toward case rear, so that the Honeycomb will ‘scrunch’ together; then apply pressure to

honeycomb, lifting it up past Front Honeycomb Retainer Lip and ‘un-scrunch’ Honeycomb.

 Note: Depending upon model and features, the illustration below may slightly differ from yours.

 Note: Illustration below reflects general outline of sample case and does not reflect any particular model

or options.

Honeycomb

Front

Honeycomb

Rear

Honeycomb

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