QBD Cooling Systems Inc. AC48 Setup guide

QBD
COOLING
SYSTEMS INC.
31 Bramsteele Rd, Brampton, Ontario, Canada L6W 3K6
WWW.QBD.COM
1-800-663-3005
TEL : [phone]
FAX: [phone]
[email protected]
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AC48 OPERATION MANUAL
(SAFETY, INSTALLATION AND INSTRUCTIONS)
KEEP THE MANUAL FOR FUTURE REFERENCE
Use this cooler for its intended p rpose ONLY

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TABLE OF CONTENTS
TITLE
PAGE
1. AC48 RECO ENDED OPERATING CONDITIONS ................................................................................. 1
2. Introduction ........................................................................................................................................... 2
3. INTRODUCTION ...................................................................................................................................... 3
4. UNIT INSPECTION FOR ANY SHIPPING DA AGE ................................................................................... 5
5. SERIAL NU BER ..................................................................................................................................... 6
6. WARNING AND SAFETY LABELS ............................................................................................................. 7
7. SAFETY INSTRUCTIONS DURING INSTALLATION AND USAGE ............................................................... 8
8. ELECTRICAL SAFETY INSTRUCTIONS ...................................................................................................... 9
9. OPERATION INSTRUCTIONS ................................................................................................................. 10
10. SHELVING INSTALLATION & RE OVAL................................................................................................ 11
11. ELECTRONIC COLD CONTROL............................................................................................................... 12
12. AINTENANCE..................................................................................................................................... 15
13. WIRING DIAGRA ............................................................................................................................... 17
14. TROUBLESHOOTING ............................................................................................................................ 19

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1. AC48 RECOMMENDED OPERATING CONDITIONS
Cooler should not be
i
nstalled in
direct sunlight.
Cooler
should not be
installed
near HVAC vents.
Cooler should not be
installed near
fans.
Cooler should not be
inst
alled
near doorways.
Cooler should
be
leveled front
to back and side to side
Check for proper clearance around
the Cooler for air flow
12” (305 mm) from Cooler top
4” (102 mm) from all sides

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2. Introd ction
Read this book carefully. It is intended to help you operate and maintain your new Refrigerated Display
case cooler properly. Always keep it handy.
Notes:
1. QBD does not cover loss or spoilage of products, loss of sales or consequential damages.
2. Always load pre-cooled product.
3. To ensure effective cooler performance, regular maintenance of the following is required:1)
Condenser, 2) Drain line, 3) Cleaning of Evaporator & Condenser Drip Tray.
For support please call:
anager, Customer Service,
QBD Cooling Systems Inc.
31 Bramsteele Road,
Brampton, Ontario,
Canada L6W 3K6
Tel.
Fax.
Web:
Email:
1(905) 459 0709
1(800) 663 3005
1(905) 459 1478
www.qbd.com
[email protected]
[e-mail]
If you received a damaged display case:
Immediately contact the carrier that delivered you8 the cooler for all your claims.
All goods are shipped at the customer’s risk. Return of goods to the factory must have the authorized
approval of QBD. No returns will be accepted after 10 days. Any shortage claims must be made within 5
days of receiving the goods.
How to unpack your cooler:
For maximum protection, it is recommended that none of the packaging materials be removed before
the cooler has reached its final operation locations. First remove all the outer packing material from the
cooler. Now dismantle the skid below the base of the cooler by tilting the cooler to one side (right). Use
a wrench to remove the skid bolts-legs OR use a slot screwdriver and hammer to split and remove the
skid board. Repeat the same operation by tilting the cooler to its opposite (left) side.
Have the wall outlet and circuit checked by a qualified electrician to make sure that the outlet is properly
grounded and circuit breaker is in place as cooler manufacturer recommendation and/ or as per local,
regional or national standard.

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3. INTRODUCTION
Thank you for purchasing a QBD unit. This manual contains important instructions for installing
and servicing AC48. The repair part list and wiring diagram are also included in this manual.
Read all of these documents carefully before installing or servicing your unit.
QBD’s assures a high quality product and if maintained properly, will serve you with trouble free
operation.
DANGER
I
ndicates potentially hazardous situation which, if ignored, could result in
death or serious injury, property damage and / or cooler failure.
WARNING
I
ndicates potentially hazardous situation which, if not avoided, may result
in injury, property damage and / or cooler failure.
!
CAUTION
e
mphasise information which may cause cooler failure or environmental
harm.

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!
CAUTION
:
Read this manual before installing your unit. Keep this manual and refer to it before doing
any service on the equipment. Failure to do so could result in personal injury or damage to
the unit.
!
CAUTION:
Installation and service of the electrical components in the unit must be performed by a
licensed electrician.
WARNING
IMPROPER / UNSAFE use of the cooler other than intended by the manufacturer can result in
death, serious injury, property damage and / or cooler failure!
This manual contains important information about cooler safety and maintenance. READ and
UNDERSTAND this manual before operating the cooler. Please store this manual in secure
location and should be available for all the intended users and service technicians.
INTENDED USE
•QBD`s cooler is designed for storage and / or commercial merchandising of hazardous food
(packed or open food) of which open food is not in direct contact with display surface and are
placed on shelf.
• Storage of pharmaceutical products, scientific material or temperature sensitive product in the
cooler is NOT RECO ENDED. Not intended for outdoor use or to be subjected to direct
sunlight, dampness, extreme heat and / or cold conditions.
• OPERATING A BIENT CONDITION UST NOT EXCEED 75°F (23°C) AND 55% RELATIVE HU IDITY
Improper or faulty hookup of electrical components in the cooler can result in
severe injury or death.
Ensure that everyone who installs, uses, or service cooler is thoroughly familiar
with all safety procedures and information given in this manual.

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4. UNIT INSPECTION FOR ANY SHIPPING DAMAGE
UNIT INSPECTION:
Examine all packages for damage to packaging material. Damage to external packaging may have
resulted in unit damage. Check packages for all accessories and components, including legs, casters (if
applicable), and shelves.
If you received a damaged cooler, refuse the shipment and immediately contact the carrier to report the
incident.

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5. SERIAL NUMBER
Record the model and serial numbers of the cooler for easy reference. Always refer to both model and
serial numbers in your future correspondence regarding the cooler.
Cooler odel __________________________________
Serial number __________________________________
This manual is only a reference document for installation, use and service. For additional information,
call or write us at below
QBD COOLING SYSTE S INC.
31 Bramsteele Rd, Brampton, Ontario, Canada L6W 3K6
TEL: [phone]
FAX: [phone], E AIL: [email protected]

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6. WARNING AND SAFETY LABELS
The warning and safety labels are placed on your cooler. Follow all warning label instructions.
CAUTION HOT!
ATTENTION-CHAUD
WWW.QBD.CO
POWER SOURCE 220V/60Hz
WWW.QBD.CO
CONTACTOR/RELAY
CONNECTION BOX
WWW.QBD.CO
REFRIGERANT
R-404A
WWW.QBD.CO
W A R N I N G
THE THER OSTAT (CONTROL) ONLY CONTROLS REFRIGERATION
CO PRESSOR AND CONDENSER OTORS.
FACTORY CONTROL SETTING WILL GIVE AN AVERAGE APPROXI ATE
PRODUCT/ BEVERAGE TE PERATURE OF 36°F-38°F

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7. SAFETY INSTRUCTIONS DURING INSTALLATION AND USAGE
WARNING

Use cooler for its intended use on
ly as mentioned by manufacture.

This cooler must be properly installed and located in accordance with the installation instruction
before it is used. Improper installation of the cooler, electrical components may cause poor
performance and / or component failure. QBD will not be responsible for equipment or
component failure or the other damages or losses that arise as a result of improper installation.

Coolers must be powered at proper operating voltages at all times.
The supply voltage should be
within 10% of the nameplate voltage rating. QBD is not responsible for the repair or replacement
of failed or damaged components resulting from electrical power failure, incorrect supply
voltage, low voltage or unstable supply voltage.

Don’t
install
cooler whe
re storage, handling and / or dispensing of flammable and / or explosive
material may occur.

Keep all the packing material away from children and animals and dispose them safely and
securely as per local, regional or national disposal standard.

Always di
sconnect the power to cooler and electrical condensate pan (if applicable) before
cleaning or performing ant service.

Use best practices when removing shipping platform and brackets, leveling the cooler while
moving the cooler from one place to another.

Use best practices while handling or cleaning metal parts in cooler.

Improper shelf clip installation may cause shelf and / or product to fall which could result
in
personal injury or damage to cooler.

Overloading the shelves could result in personal inj
ury damage to cooler.

Don’t push the cooler against the
side glasses
when removing from the skid or relocating the
cooler. Doing so might result in personal injury or damage to cooler.

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8. ELECTRICAL SAFETY INSTRUCTIONS
WARNING
•Have the wall outlet and circuit checked by a qualified electrician to make sure that the outlet is
properly grounded and circuit breaker is in place as cooler manufacturer recommendation and/
or as per local, regional or national standard.
•Plug the cooler into a dedicated, 3prong electrical receptacle only.
•Don’t cut or remove the ground prong from the power cord.
•Don’t cut or remove the ground prong from the power cord. For electrical safety the cooler must
be properly grounded.
•Always connect to a dedicated electrical circuit and ensure the voltage rating of the circuit is
same as mentioned by manufacturer.
•Don’t use a power cord having cracks or abrasion mark.
•All coolers are supplied with an appropriate power cord based on amperage requirements. If
power cord need to be relocated for desired application the electrical work must be performed
by a certified electrician and as per the or as per local, regional or national standard.
CAUTION
•Don’t use extension cord, power bars and/or adapter to power the cooler.
•Periodic inspection of all electrical components is recommended and never use any damaged
electrical component.
•Always disconnect power to cooler before cleaning or performing any service.
•QBD recommends NEMA PLUG & RECEPTCLE to be used with coolers.
•ALWAYS USE OEM PARTS FOR REPLACEMENT

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9. OPERATION INSTRUCTIONS
AC48, COOLER CO ES WITH ONE POWER CORD.
CONNECT THE COOLER AIN POWER CORD TO 220V/60Hz DEDICATED CIRCUIT
DANGER
•UNPLUG THE POWER CORDS BEFORE CLEANING OR PERFOR ING ANY SERVICE.
WARNING
•Cold controller is set to maintain the average cooler temperature at 3.3°C (38°F). Any change in
setting could result in poor performance and / or component (s) failure.
•Operating ambient condition must not exceed 75°f (23°c) and 50% relative humidity
•Always use OE parts for replacement
Always maintain following EXTERIOR clearances
for ease of installation and proper air circulation:
12” (305 mm) from Cooler top
4” (102 mm) from all sides

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10.SHELVING INSTALLATION & REMOVAL
Follow the instruction in the illustration bellow.
INSTALLATION:
1. Place shelf bracket top hook into
desired shelf standard slots
(make sure the right and left
brackets are in the same height)
2. lift shelf bracket top hook to
allow shelf bracket bottom tab to
clear shelf standard slot
3. Swing shelf bracket bottom tab
into shelf standard slot.
4. Place shelf panel on two brackets
REMOVAL:
1. Take the shelf panel off the
brackets
2. Lift shelf bracket up to allow shelf
bracket notch to clear the bottom
of shelf standard slot
3. Swing shelf bracket bottom tab
out of shelf standard slot
4. Drop shelf bracket down to allow
shelf bracket top hook to clear
top of shelf standard
5. Remove shelf bracket top from
shelf standard slot

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11.ELECTRONIC COLD CONTROL
AC48 is installed with a customized Danfoss electronic cold control ERC112C with the following features
1. Precise temperature control
2. Adaptive defrost
3. Fan Control
4. Voltage protection
CAUTION
OPTIONAL

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Don’t spray water over the controll
er.
Controller can fail beca se of excessive
moist re.
ELECTRONIC COLD CONTROL SET POINT ADJUSTMENT

The display shows the current temperature.
Press “up (3) /down(4) ” to access set point
Press “up(3) /down(4)” to adjust set point, Press UP (3) for warmer setting or DOWN (4) for
colder setting
After 30 seconds, the display automatically reverts to show the current temperature and SET
POINT change is accomplished.
ELECTRONIC COLD CONTROL MANUAL DEFROST

The display shows the current temperature.
Press and hold “DEF (2)” for 10 seconds to activate manual defrost cycle
Press and hold “DEF (2)” for 10 seconds and anual defrost cycle will terminate

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ELECTRONIC COLD CONTROL PROBE ERROR

The display shows the current temperature but if the probe of the controller is damaged or
faulty
Display will show “S1” for cabinet temperature control probe fault
Display will show “S2” for defrost control probe fault
CONTROLLER INFORMATION ATTACHED WITH COOLER
Controller parameter adjustment guide and diagnostic instructions are attached with coolers for
quick reference. For additional information contact QBD’s service department.

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12.MAINTENANCE
•PERIODIC AINTENANCE
CLEANING CONDENSER COIL
It is very important that the condenser coil is cleaned on a periodic basis to insure proper refrigeration
performance and to prevent compressor failure.
1.
Disconnect power to the unit
2. In order to access the condenser coil;
remove the front grill by lifting up and
pulling out the bottom side (as shown on
the left)
3. Carefully vacuum or brush the front
surface of condenser coil parallel to the
fins.
IMPORTANT: Take care not to bent coil fins
with vacuum cleaner nozzle.
4. Put back the front grill by sliding in the
top side first
CAUTION:
ALWAYS DISCONNECT THE POWER SUPPLY TO COOLER FOR MAINTENANCE AND/OR SERVICING
•CLEANING INSTRUCTIONS
1
2

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WEEKLY
CLEANING
The unit should be cleaned thoroughly before it is used for the first time.
CAUTION:
Avoid splashing or soaking any electrical components with water to prevent
electrical damage to the unit.
CAUTION:
Shut off lights and power switches and remove all products from unit. Allow
sufficient time for the unit to reach room temperature before proceeding
with cleaning.
CAUTION:
Remove all products from unit before proceeding with cleaning.
CAUTION:
For major spills or foreign material buildup perform weekly cleaning
instruction as follow:
Wipe complete interior of unit using a damp cloth
Clean all glasses using any common window cleaner. I PORTANT: don’t
allow glass cleaner to contact ¾” Acrylic plastics.

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13.WIRING DIAGRAM
•CONNECT THE COOLER AIN POWER CORD TO 220V/60Hz DEDICATED CIRCUIT
•PERIODIC CLEANING OF CONDENSATING UNIT IS ADATORY AND AVOIDING SO AY RESULT IN
INJURY, PROPERTY DA AGE AND / OR COOLER FAILURE.
•Danfoss controller is used to control the compressor and defrost cycle under controlled ambient
conditions.
•The controller is programmed for a defrost cycle of 30 minutes for every 6 hours.
•The main switch is to disconnect the power supply to compressor, fans and lights but not to
condensate pan.
•The light switch is to disconnect the power supply to cooler lighting.
CAUTION:
ALWAYS DISCONNECT THE POWER SUPPLY TO COOLER FOR MAINTENANCE AND/OR SERVICING

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CONDENSING UNIT WIRING DIAGRAM