Randell | RFT Frost Top Drop-In | manual | Randell RFT Frost Top Drop-In Manual

Randell RFT Frost Top Drop-In Manual
PART NUMBER PP MNL1807, REV. C (09/19)
This manual provides information for:
DROP-IN FROST TOP RFT SERIES
OPERATOR MANUAL
IMPORTANT INFORMATION, KEEP FOR OPERATOR
2016 Gees Mill Road, Suite 200, Conyers, GA 30013
888-994-7636, fax 888-864-7636
unifiedbrands.net
THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ,
UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS
CONTAINED IN THIS MANUAL.
FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
WARNING R290 flammable refrigerant in use. Improper installation,
adjustment, alteration, service or maintenance can cause property
damage, injury or death. Read the installation, operating and maintenance
instructions thoroughly before installing or servicing this equipment.
RETAIN THIS MANUAL FOR FUTURE REFERENCE
NOTICE: Due to a continuous program of product improvement, Unified Brands
reserves the right to make changes in design and specifications without prior notice.
NOTICE: Please read the entire manual carefully before installation. If certain
recommended procedures are not followed, warranty claims will be denied.
NOTIFY CARRIER OF DAMAGE AT ONCE It is the responsibility of the
consignee to inspect the container upon receipt of same and to determine
the possibility of any damage, including concealed damage. Unified
Brands suggests that if you are suspicious of damage to make a notation
on the delivery receipt. It will be the responsibility of the consignee to file
a claim with the carrier. We recommend that you do so at once.
MODEL NUMBER _________________________
Manufacture Service/Questions 888-994-7636.
The serial number is located on the underside of the
cold pan near the drain.
SERIAL NUMBER _________________________
INSTALLATION DATE ______________________
EQUIPMENT DESCRIPTION
MODEL
LENGTH
WIDTH
RFT-2
29.25"
RFT-3
CUTOUT DIM
HP
VOLTS
AMPS
NEMA
SHIP WT (LBS)
20.3"
1/4
115/60/1
3.5
5-15P
140
40.7"
20.3"
1/4
115/60/1
3.5
5-15P
175
21.6”
53.7"
20.3"
1/4
115/60/1
3.5
5-15P
210
68.25”
21.6”
66.7"
20.3"
1/4
115/60/1
3.5
5-15P
245
81.25”
21.6”
79.7"
20.3"
1/4
115/60/1
3.5
5-15P
280
L
W
21.6”
27.7"
42.25”
21.6”
RFT-4
55.25”
RFT-5
RFT-6
Information contained in this document is known to be current and accurate at the time of printing/creation. Unified Brands recommends
referencing our product line websites, unifiedbrands.net, for the most updated product information and specifications. © 2019 Unified Brands.
All Rights Reserved. Unified Brands is a wholly-owned subsidiary of Dover Corporation.
IMPORTANT - READ FIRST - IMPORTANT
NEAR EXPOSED REFRIGERANT TUBING
INTERIOR EVAPORATOR COVER
DANGER
RISK OF FIRE OR EXPLOSION.
FLAMMABLE REFRIGERANT USED.
DO NOT USE MECHANICAL DEVICES
TO DEFROST REFRIGERATOR. DO NOT
PUNCTURE REFRIGERANT TUBING.
RISQUE D’INCENDIE OU
D’EXPLOSION.
INFLAMMABLE
RÉFRIGÉRANT UTILISÉ.
NE PAS UTILISER DE
DISPOSITIFS
MÉCANIQUES POUR
DÉGIVRER LE
RÉFRIGÉRATEUR. NE
FAIRE AUCUN TUBE
RÉFRIGÉRANT DE
PONCTION.
SB6.1.2
WARNING
ALERTE
DO NOT REMOVE PANEL - HIGH VOLTAGE QUALIFIED PERSONNEL ONLY
NE PAS RETIRE LE PANNEAU - HAUTE TENSION PERSONNEL QUALIFIÉ SEULEMENT
NO RETIRE EL PANEL - ALTA TENSIÓN CALIFICADO PERSONAL
CAUTION
RIESGO DE INCENDIO O EXPLOSIÓN. REFRIGERANTE INFLAMABLE UTILIZADO. NO
UTILICE DISPOSITIVOS MECÁNICOS PARA DESCONGELAR EL REFRIGERADOR. NO
PERFORE LA TUBERÍA DEL REFRIGERANTE.
PP LBL1701 REV B
ATTENTIÓN
MOVING PARTS, DO NOT OPERATE
WITH COVER REMOVED
PIÉCES MOBILES NE PAS FAIRE
FONCTIONNER SANS COUVERCLE
LAS PIEZAS DE MOVIMIENTO NO FUNCIONAN
CON LA CUBIERTA RETIRADA
EXTERIOR OF UNIT
CAUTION
RISK OF FIRE OR EXPLOSION DUE TO
PUNCTURE OF REFRIGERANT TUBING; FOLLOW
HANDLING INSTRUCTIONS CAREFULLY.
FLAMMABLE REFRIGERANT USED.
MISE EN GARDE RISQUE
D’INCENDIE OU
D’EXPLOSION EN RAISON
DE LA PERFORATION DU
TUBE RÉFRIGÉRANT;
SUIVEZ ATTENTIVEMENT
LES INSTRUCTIONS DE
MANIPULATION.
RÉFRIGÉRANT
INFLAMMABLE UTILISÉ.
PRECAUCIÓN RIESGO DE INCENDIO O EXPLOSIÓN DEBIDO A LA PERFORACIÓN DE LA TUBERÍA DE
REFRIGERANTE; SIGA CUIDADOSAMENTE LAS INSTRUCCIONES DE MANEJO. REFRIGERANTE SB6.1.5
PP LBL1705 REV B
INFLAMABLE UTILIZADO.
LABEL DIMENSION: 6.25 in x 2.8 in
NEAR MACHINE COMPARTMENT AND NAMEPLATE
LABEL DIMENSION: 9 in x 3.25 in
RISK OF FIRE OR EXPLOSION.
DISPOSE OF PROPERLY IN
ACCORDANCE WITH FEDERAL OR
LOCAL REGULATIONS.
FLAMMABLE REFRIGERANT USED.
CAUTION
MISE EN GARDE RISQUE
D’INCENDIE OU
D’EXPLOSION. ÉLIMINER
(or DISPOSER)
CORRECTEMENT
CONFORMÉMENT AUX
RÉGLEMENTATIONS
FÉDÉRALES OU LOCALES.
RÉFRIGÉRANT
INFLAMMABLE UTILISÉ.
PP LBL1704 REV B
PRECAUCIÓN RIESGO DE INCENDIO O EXPLOSIÓN. DESÉCHELO ADECUADAMENTE CONFORME
A REGLAMENTOS FEDERALES O LOCALES. REFRIGERANTE INFLAMABLE UTILIZADO. SB6.1.4
LABEL DIMENSION: 6 in x 2.75 in
DANGER
RISK OF FIRE OR EXPLOSION. FLAMMABLE
REFRIGERANT USED. TO BE REPAIRED ONLY
BY TRAINED SERVICE PERSONNEL. DO NOT
PUNCTURE REFRIGERANT TUBING.
DANGER RISQUE
D’INCENDIE OU
D’EXPLOSION.
RÉFRIGÉRANT
INFLAMMABLE UTILISÉ.
POUR ÊTRE RÉPARÉ QUE
PAR UN TECHNICIEN
QUALIFIÉ. NE PAS
PERFORER LE TUBE
RÉFRIGÉRANT.
PELIGRO RIESGO DE INCENDIO O EXPLOSIÓN. REFRIGERANTE INFLAMABLE UTILIZADO. DEBE SER REPARADO
SOLAMENTE POR PERSONAL DE SERVICIO CAPACITADO. NO PERFORE LA TUBERÍA DEL REFRIGERANTE.
CAUTION
RISK OF FIRE OR EXPLOSION. FLAMMABLE
REFRIGERANT USED. CONSULT REPAIR MANUAL
/ OWNER’S GUIDE BEFORE ATTEMPTING TO
INSTALL OR SERVICE THIS PRODUCT. ALL
SAFETY PRECAUTIONS MUST BE FOLLOWED.
SB6.1.3.a
MISE EN GARDE RISQUE
D’INCENDIE OU
D’EXPLOSION. RÉFRIGÉRANT
INFLAMMABLE UTILISÉ.
CONSULTER LE MANUEL DE
RÉPARATION / GUIDE DE
L’UTILISATEUR AVANT
D’ESSAYER D’INSTALLER OU
DE RÉPARER CE PRODUIT.
TOUTES LES PRÉCAUTIONS
DOIVENT ÊTRE RESPECTÉES.
PP LBL1703 REVB
PRECAUCIÓN RIESGO DE INCENDIO O EXPLOSIÓN. REFRIGERANTE INFLAMABLE UTILIZADO. CONSULTE EL MANUAL DE REPARACIÓN /
MANUAL DEL USUARIO ANTES DE INSTALAR O REPARAR ESTE PRODUCTO. DEBEN SEGUIRSE LAS PRECAUCIONES DE SEGURIDAD. SB6.1.3.b
LABEL DIMENSION: 7.5 in x 5.36 in
INSTALLATION
CAUTION: THIS UNIT CONTAINS R290 FLAMMABLE REFRIGERANT. USE CAUTION WHEN
HANDLING MOVING AND USE OF THE REFRIGERATOR OR FREEZER. AVOID
DAMAGING THE REFRIGERANT TUBING OR INCREASE THE RISK OF A LEAK.
CAUTION: UNIT MUST BE INSTALLED INTO IT’S OWN COMPARTMENT TO PROPERLY
CONTAIN ANY REFRIGERANT LEAK. IT IS REQUIRED THAT NO ARCHING
POTENTIAL COMPONENTS (GFCI) OR ELECTRICAL CONNECTIONS ARE
BELOW 14.5” FROM THE BOTTOM OF THE CABINET.
SELECTING A LOCATION FOR YOUR NEW UNIT
The following conditions should be considered when selecting a location for
your unit:
1. Floor and Countertop Load: The area on which the unit will rest must be
level, free of vibration, and suitably strong enough to support the combined
weights of the unit plus the maximum product load weight.
WARNING: FAILURE
TO
FOLLOW
INSTALLATION
GUIDELINES
AND
RECOMMENDATIONS MAY VOID THE WARRANTY ON YOUR UNIT.
2. Secure and Seal: Once the drop in unit is installed into the counter it can be
secured to the countertop by using the brackets supplied from the factory.
WARNING: IT IS IMPORTANT THAT YOUR UNIT HAS ITS OWN DEDICATED LINE.
CONDENSING UNITS ARE DESIGNED TO OPERATE WITH A VOLTAGE
FLUCTUATION OF PLUS OR MINUS 10% OF THE VOLTAGE INDICATED ON
THE UNIT DATA TAG. BURN OUT OF A CONDENSING UNIT DUE TO EXCEEDING
VOLTAGE LIMITS WILL VOID THE WARRANTY.
a. Locate square openings on exterior body of drop unit. Insert securing
bracket as shown. Tighten screw to anchor the unit tightly to cabinet top.
THE DANFOSS CONTROLLER HAS LOW VOLTAGE PROTECTION AND WILL
NOT OUTPUT VOLTAGE TO THE COMPRESSOR IF VOLTAGE IS LESS THAN
104V.
WARNING: IT IS IMPORTANT THAT A VOLTAGE READING BE MADE AT THE COMPRESSOR
MOTOR ELECTRICAL CONNECTIONS, WHILE THE UNIT IS IN OPERATION
TO VERIFY THE CORRECT VOLTAGE REQUIRED BY THE COMPRESSOR IS
BEING SUPPLIED. LOW OR HIGH VOLTAGE CAN DETRIMENTALLY AFFECT
OPERATION AND THEREBY VOID ITS WARRANTY.
WARNING: THIS UNIT IS INTENDED FOR USE IN LABORATORIES IN COMMERCIAL,
INDUSTRIAL, OR INSTITUTIONAL OCCUPANCIES AS DEFINED IN THE
SAFETY STANDARD FOR REFRIGERATION SYSTEMS, ASHRAE 15.
b. Secure unit to top and seal with “NSF” approved silicone.
c. Install inside duct with thumb screws and adjust outside duct to fit
between condenser coil and counter’s louvered cutout
d. Secure outside duct in place with screws through pre-punched holes.
3. Clearance: See installation diagrams for minimum compartment dimension.
Do not place any object that can block the ventilation exhaust from the
machine compartment register. 20 inch clearance at the louvered end of the
unit. Area of equipment must be free of all combustible materials.
4. Ventilation: The air cooled self contained unit requires a sufficient amount of
cool clean air. The mechanical housing on all models can be rotated so that the
condenser intake air can be in direct line with the cabinet fresh air opening.
Orientations to follow. Also see wing nut image above.
a. Loosen wing nuts located under cold pan body and rotate carriage to
desired location.
b. Tighten wing nuts when rotation is complete.
c. Loosen nuts on each side of condenser shroud and extend to fresh air
opening.
d. Tighten nuts on each side of condenser shroud
Avoid surrounding your unit around other heat generating equipment and
out of direct sunlight. Also, avoid locating in an unheated room or where
the room temperature may drop below 70° F (21°C) or above 86°F (32°C).
It is important that drop in be installed with the condenser coil facing a
ventilated opening in the cabinet. If factory supplied louver is not used,
adequate airflow must be provided. See Air Flow guide on next page.
2
OM-DROP-IN FROST TOP SERIES
CUT-OUT DIMENSION
Exhaust side
Exhaust
Total Exhaust Area = 88.7 in2
Exhaust Area slots : 10 x 54 = 540 slots
Perforation size : 0.75 in x .22 in (19 mm x 5.5mm )
Air Intake
Total Air Intake Area = 88.7 in2
Air Intake Area : 10 x 50 & 2 x 20 = 540 slots
Perforation Size : 0.75 in x .22 in (19 mm x 5.6 mm)
MODELS
“A”
“B”
“C”
“D”
“E”
“F” (MIN)
“G” (MIN)
INCH
RFT-2
29.3"
21.6"
27.7"
20.3"
3"-6"
33.7"
26.3"
RFT-3
42.2"
21.6"
40.7"
20.3"
3"-6"
46.7"
26.3"
RFT-4
55.2"
21.6"
53.7"
20.3"
3"-6"
59.7"
26.3"
RFT-5
68.2"
21.6"
66.7"
20.3"
3"-6"
72.7"
26.3"
RFT-6
81.3"
21.6"
79.7"
20.3"
3"-6"
85.7"
26.3"
CUT-OUT DIAGRAM: 2-6 PAN UNIT ONLY
Air Intake side
If •theiflouver
is to
bebechanged/swapped
witha different
a different
the effective
the louver
is to
changed/swapped with
one,one,
the effective
area
and Intake
maintained
all time to ensure
adequate
area on
on Exhaust
the exhaust
and should
intake be
should
be maintained
at all times
to ensure
ventilation.
adequate
ventilation.
INSTALLATION CHECKLIST
After the final location has been determined, refer to the following checklist prior
to start-up:
1. Units must be installed in a minimum compartment size as indicated in the
installation drawing.
2. Provided louver and air funnel must be installed in accordance with the
installation drawings to ensure proper ventilation for system operation or
in the event of a refrigerant leak. Compressor housing can be rotated 90
degree to align with the vented opening in the counter. It is required that
no arching potential components (GFCI) or electrical connections are below
14.5” from the bottom of the cabinet.
3. Check cord and plug of unit to assure no damage has occurred to these
components.
4. Check all exposed refrigeration lines to ensure that they are not kinked,
dented, or rubbing together after being installed into the counter.
COMPRESSOR ROTATION & AIRFLOW: 2-6 PAN ONLY
5. Check that the condenser fans rotate freely without striking any stationary
members.
6. Plug in unit and turn on main on/off power button on the controller.
7. Allow unit 50-60 min to cool down to temperature. If temperature
adjustments are required, the control is located on the front panel. Confirm
that the unit is holding the desired temperature.
8. Refer to the front of this manual for serial number location. Please record
this information in your manual now. It will be necessary when ordering
replacement parts or requesting warranty service.
INSTALLATION INSTRUCTIONS
Minimum 20” clearance required for proper air flow.
OPERATION
AMBIENT CONDITIONS
Unit is designed for normal operating temperatures are between 70° F (21°C)
and 86°F (32°C). Operating outside of those temperatures may cause premature
product wear or failure. Unified Brands has attempted to preset the temperature
control to ensure that your unit runs at an optimum temperature, but due to varying
ambient conditions, including elevation, food type and your type of operation,
you may need to alter this temperature using control adjustment until desired
temperature is reached.
It is normal for the refrigerated cold well to develop an even layer of frost during
operation. NOTE: Keeping the hinged cover closed as much as possible will prevent
excessive frost buildup.
MORNING STARTUP
1. Cold pan cleaning may be performed at this time.
2. Turn on power to unit by either a switch or controller power button.
3
OM-DROP-IN FROST TOP SERIES
EVENING SHUT DOWN
1. Remove product from the cold pan at the end of the day’s preparation. The
product may be discarded or stored in any commercial refrigerator.
2. Turn off power to unit by either a switch or controller power button. This will
allow unit to thaw which allows for better operation when starting up unit for
next day operation.
3. Unit cleaning may be performed at this time once the frost has melted off the
surface. NOTE: Water may form small pools and have to be pushed to the drain
for 100% draining.
5. Using the up/down buttons, navigate to the “CFu” level. Press the bottom left
button to OK the selection.
a. “-F” designates Fahrenheit.
b. “-C” designates Celsius.
6. Press the top left button repeatedly to return to exit and return to the home screen.
MAINTENANCE
DANFOSS CONTROLLER OPERATION
LED
FUNCTION
WARNING: DO NOT USE SHARP UTENSILS AND/OR OBJECTS.
Compressor energized & Evaporator fan de-energized
WARNING: DO NOT USE STEEL PADS, WIRE BRUSHES, SCRAPERS, OR CHLORIDE
CLEANERS TO CLEAN YOUR STAINLESS STEEL.
Defrost in progress
CAUTION: DO NOT USE ABRASIVE CLEANING SOLVENTS, AND NEVER USE
HYDROCHLORIC ACID (MURIATIC ACID) ON STAINLESS STEEL.
Fans delay after defrost completion
WARNING: DO NOT PRESSURE WASH EQUIPMENT AS DAMAGE TO ELECTRICAL
COMPONENTS MAY RESULT.
Unified Brands strongly suggests a preventive maintenance program which would
include the following monthly procedures:
Evaporator fan energize
If a failure of the equipment is a direct result of any of the Preventative Maintenance
guidelines being neglected, the repairs and parts replacements will not be covered
under warranty.
An alarm is occurring
ºC / ºF
4. Using the up/down buttons, navigate to the “diS” level. Press the bottom left
button to OK the selection.
Temperature unit
MANUAL DEFROST
It is recommended that the customer contact the local Authorized Service Agent to
provide a quote to perform periodic Preventative Maintenance.
MONTHLY PROCEDURES
1. Cleaning of all condenser coils. Condenser coils are a critical component in the
life of the compressor and must remain clean to assure proper air flow and heat
transfer. Failure to maintain this heat transfer will affect unit performance and
eventually destroy the compressor. Clean the condenser coils with coil cleaner
and/or a vacuum cleaner and brush. NOTE: Brush coil in direction of fins, normally
vertically as to not damage or restrict air from passing through condenser.
2. Clean fan blades on the condensing unit.
3. Clean and disinfect drain lines with a solution of warm water and mild detergent.
POWER ON / OFF
4. Check silicone seal around drop in flange for peeling and cracks. Reapply with
food grade silicone as necessary.
CHANGE SET POINT
POWER ON / OFF: Press and hold the power button until LED display turns On / Off
MANUAL DEFROST: Press and hold “Defrost” Button
CHANGE SET POINT: To raise temperature
1. Press and hold “ ” to access set point.
2. When set point start flashing, Press “ ” to adjust set point.
3. After 30 seconds, the display automatically reverts to showing the current
temperature.
CHANGE SET POINT: To lower temperature
1. Press and hold “v” to access set point.
2. When set point start flashing, Press “v” to adjust set point.
3. After 30 seconds, the display automatically reverts to showing the current
temperature.
CHANGE FROM ºF /ºC :
1. Press the up/down buttons simultaneously for 5 seconds to access the menu.
2. Password is requested. Password is 000.
3. Press the bottom left button to OK the password.
4
OM-DROP-IN FROST TOP SERIES
RECOMMENDED CLEANERS FOR YOUR STAINLESS STEEL INCLUDE THE
FOLLOWING:
JOB
CLEANING AGENT
COMMENTS
Routine cleaning
Soap, ammonia,
detergent Medallion
Apply with a sponge or
cloth
Fingerprints and smears
Arcal 20, Lac-O-Nu,
Ecoshine
Provides a barrier film
Stubborn stains and
discoloration
Cameo, Talc, Zud,
First Impression
Rub in the direction of
the polish lines
Greasy and fatty acids, blood,
burnt-on foods
Easy-Off, Degrease It,
Oven Aid
Excellent removal on all
finishes
Grease and Oil
Any good commercial
detergent
Apply with a sponge or
cloth
Restoration/Preservation
Benefit, Super Sheen
Good idea monthly
Reference: Nickel Development Institute, Diversey Lever, Savin, Ecolab, NAFEM
Proper maintenance of equipment is the ultimate necessity in preventing costly
repairs. By evaluating each unit on a regular schedule, you can often catch
and repair minor problems before they completely disable the unit and become
burdensome on your entire operation.
For more information on preventive maintenance, consult your local service
company or CFESA member. Most repair companies offer this service at very
reasonable rates to allow you the time you need to run your business along with
the peace of mind that all your equipment will last throughout its expected life.
These services often offer guarantees as well as the flexibility in scheduling or
maintenance for your convenience. For a complete listing of current Unified Brands
ASA please visit www.unifiedbrands.net.
Unified Brands believes strongly in the products it manufactures and backs those
products with one of the best warranties in the industry. We believe with the
proper maintenance and use, you will realize a profitable return on your investment
and years of satisfied service.
E01
S1 Sensor Failure
Contact service
E02
S2 Sensor Failure
Contact service
E03
S3 Sensor Failure
Contact service
E04
S4 Sensor Failure
Contact service
SERVICE
CAUTION: COMPONENT PARTS SHALL BE REPLACED WITH FACTORY OEM PARTS.
SERVICE WORK SHALL BE DONE BY FACTORY AUTHORIZED SERVICE
PERSONNEL, SO AS TO MINIMIZE THE RISK OF POSSIBLE IGNITION DUE TO
INCORRECT PARTS OR IMPROPER SERVICE.
REPLACEMENT PARTS
To order parts, contact your Authorized Service Agent. Supply the model
designation, serial number, part description, part number, quantity, and when
applicable, voltage and phase.
CONTACT US
If you have questions pertaining to the content in this manual, contact Unified
Brands at 888-994-7636 or tsrandell@unifiedbrands.net.
This piece of equipment uses a R290 Refrigeration system. This equipment has
been clearly marked on the serial tag the type of refrigerant that is being used.
There is also a warning labels stating that the unit contains R290 refrigerant. R290
is safe to use as long as you follow these warning labels.
No smoking or open flames when servicing this equipment. If needed, use a CO2
or dry-powder type fire extinguisher.
TROUBLESHOOTING
This unit is designed to operate smoothly and efficiently if properly maintained.
However, the following is a list of checks to make in the event of a problem.
Wiring diagrams are found at the end of this manual. When in doubt, turn unit off
and contact service at 888-994-7636 or tsrandell@unifiedbrands.net.
SYMPTOM
CAUTION: BEFORE MAKING ANY REPAIRS, ENSURE THE UNIT IS DISCONNECTED
FROM ITS POWER SOURCE.
POSSIBLE CAUSE
PROCEDURE
Replacement parts used on any R290 Refrigeration system cabinet must have
specific UL certification for non-sparking components.
Only authorized service technician, certified in R290 system should service this
equipment.
MANIFOLD SET
A R134A manifold set can be used for servicing this equipment.
No power to unit
Plug in unit
Control in OFF position
Turn controller on
Faulty control
Call for service at
888-994-7636
Unit too cold
Incorrect set point
Adjust control set point
Unit too warm
Incorrect set point
Adjust control set point
Leak check an R-290 system the same way you would an R-134a or R-404A
system with the following exceptions.
Unit noisy
Vibration in the cabinet
Inspect for loose parts
1. Do not use a Halid leak detector on a R290 system.
Unit does not run
ALARM
Hi
High Temperature Alarm
Lo
Low Temperature Alarm
ACTION
Inspect door/drawer sealing
Contact service
Contact service
Clean condenser coil
CON
Condenser Temperature
High Limit
Inspect coil for any objects
obstruction hindering airflow
Contact service
uHi
Line Voltage Too High
Verify voltage of power source,
to be performed by qualified
technician
Contact service
uLi
LEA
Line Voltage Too Low
Continuous Compressor
Runtime
OM-DROP-IN FROST TOP SERIES
LEAKING CHECKING AND REPAIR
Use of a bubble solution or an ultrasonic leak detector are acceptable.
When repairing a leak, it is recommended using oxygen free dry nitrogen with a
trace gas not exceeding 200PSI.
When accessing an R290 system, piercing valves are not to remain on the
equipment in a permanent manner. After charge is recovered, Schrader valves
are to be installed on the process stubs. Proper charge is to be weighed into the
system and the system is to be leak checked afterwards.
The R290 equipment must have red process tubes and other devices through
which the refrigerant is serviced, such as any service port. This color marking
must remain on the equipment. If marking is removed, it must be replace and
extend at least 2.5 centimeters (1”) from the compressor.
CHARGING
Follow the charge amount specified on the data tag. It is recommended to use the
shortest hoses possible to prevent undercharging.
Verify voltage of power source,
to be performed by qualified
technician
•
Ensure the system is sealed and leak checked
•
Evacuate system to a minimum 500 micron
Contact service
•
Weigh in correct charge
Inspect door/drawer sealing
•
Leak check the system again
Inspect condenser coil, clean if
necessary
•
Bleed the refrigerant from the high side hose to the low side hose
•
Disconnect the hoses
•
Remove line taps
Contact service
5
Follow all national and local regulations for R-290 refrigerant recovery.
2. Electronic leak detector must be designated specifically for combustible gas.
DANFOSS CONTROLLER CODES
DISPLAYED
ALARM CODE
REFRIGERANT RECOVERY
6
MOUNT, COMPRESSOR BASE SKID, (T28-0041)
FAN SHROUD, SINGLE FAN SHROUD BRACKET, 123 MM DIA (T28-0043E)
SHROUD, CONDENSER COIL, (T28-0042)
ACCUMULATOR
FILTER DRYER
FAN GUARD
FAN, AXIAL, CONDENSER
CONDENSER COIL
CAP TUBE WRAP W/ HEAT EXCHANGE
COMPRESSOR, 1/4HP, R290, EMBRACO EM2X3125U
DRAIN SCREEN
DRAIN, BRASS, NICKEL PLATED, 1" NPS X 3.25" LONG W/NUT & WASHER
POWER CORD, 9' 16/3 W/90*
CONTROL, DANFOSS ERC112C
THERMISTOR, QTI, AIR SENSOR, BLACK, 10'
LOUVER, FLAT (T28-00045)
FUNNEL, CONDENSING UNIT, ( T28-0044)
SIDE, PANEL, LEFT (T28-0047A)
SIDE, PANEL, RIGHT (T28-0048A)
OM-DROP-IN FROST TOP SERIES
RFT-6
RP MNT1801
RP HSG1803
RP SHD1802
RF ACM1801
RF FLT9902
RF FAN0703
RF FAN1407
RF COI1603
RP WRP1802
RF CMP1604
RP DSN001
HD DRN1701
EL WIR1703
RF CNT1601
RF CNT1603
RP LVR1802
RP FNL1801
RP PNL1806
RP PNL1807
RFT-5
1
2
3
4
5
6
7
8
9
10
11
12
13
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DESCRIPTION
RFT-4
SERVICE PART
RFT-3
ITEM
RFT-2
Parts List
CALL FACTORY FOR REPLACEMENT PARTS:
888-994-7636
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Wiring Diagram
7
OM-DROP-IN FROST TOP SERIES
Service Log
Model No:
Purchased From:
Serial No:
Location:
Date Purchased:
Date Installed:
Purchase Order No:
For Service Call:
Date
8
OM-DROP-IN FROST TOP SERIES
Maintenance Performed
Performed By
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