Cres Cor R171SUA10E240, R171S1828E, R171S1828E240, R171S1856E, R171S1856E240 Operating And Maintenance Instructions Manual
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Series R-171-E
Refrigerated Cabinets
FL-2400
5925 Heisley Road • Mentor, OH 44060-1833
OPERATING and MAINTENANCE INSTRUCTIONS
for Cres Cor Refrigerated Cabinets,
Model R-171-E Series
Rev. 2 (5/19)
Page 1 of 9
R-171-SUA-10E R-171-SUA-20E
Cabinet model number:
Cabinet serial number:
Authorized Service Agency:
Ph: Fax:
Keep this manual for future reference.
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
Series R-171-E
Refrigerated Cabinets
FL-2400
Rev. 2 (5/19)
Page 2 of 9
5925 Heisley Road • Mentor, OH 44060-1833
TABLE OF CONTENTS
SUBJECT PAGE
INSTALLATION INSTRUCTIONS .............................................3
OPERATING INSTRUCTIONS
First Time Operation ....................................................4
MAINTENANCE INSTRUCTIONS
How to Clean the Unit ..................................................6
Trouble Shooting Guide .................................................7
Replacement Parts .....................................................8
Wiring Diagram .......................................................9
SERVICE POLICY and AGENCY LIST ....................................FL-1400
REGISTERING YOUR EQUIPMENT AT www.crescor.com/service/register
COMPLETING A SURVEY EARNS AN EXTRA 90-DAY LABOR WARRANTY!
If the equipment will not go into service immediately, please indicate
that on the warranty registration. Scan QR code to register your
equipment today! If you need a QR reader, visit your App Store on
your Smartphone or Tablet.
WARNING
RISK OF FIRE OR ELECTRIC SHOCK
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK)
NO USER-SERVICEABLE PARTS INSIDE
REPAIR SHOULD BE DONE BY AUTHORIZED SERVICE
DO NOT OPEN
PERSONNEL ONLY
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
Series R-171-E
Refrigerated Cabinets
FL-2400
Rev. 2 (5/19)
Page 3 of 9
5925 Heisley Road • Mentor, OH 44060-1833
INSTALLATION INSTRUCTIONS
Conguration Base Model # Volts Amps Hertz Phase NEMA
Single Door
Double Door
R171SUA10E
R171S1828E
R171SUA10E240
R171S1828E240
R171SUA20E
R171S1856E
R171SUA20E240
R171S1856E240
120 5.0 60 1 5-15P
240 60 1 6-15P
120 60 1 5-15P
240 60 1 6-15P
CONTROL PANEL
HOW TO INSTALL THE CABINET:
1. Remove all packing material from inside the
cabinet.
2. Clean and sanitize the interior of the cabinet.
See instructions on how to clean on page 4.
3. INSTALL ALL ANGLES BEFORE UNIT IS
TURNED ON
4. Place unit near correct NEMA receptacle. Allow
adequate clearance in front and rear for airow.
Avoid placing unit near heat sources or equipment
which gives o excessive heat.
HOW TO START:
1. Plug power cord into correct wall outlet.
2. Press power switch “ON”. Switch will illuminate
and temperature control will turn on.
3. Control will display internal cabinet temperature.
NOTE: DO NOT PUT HOT FOOD INTO
COLD CABINET.
HOW TO OPERATE:
1. The controller will always display actual internal
cabinet temperature.
2. Temperature setpoint has been pre-set at the
factory for optimal operation of the refrigerated
cabinet. No adjustment should be necessary.
3. If any adjustment of temp setpoint is required:
a. To view the setpoint:
1. Push and release SET button.
2. Display will show the value for 5 seconds.
3. Press SET button again or wait 5 seconds to
return to the normal display.
4. Pre-chill the cabinet for at least 1 hour before
loading food.
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
Series R-171-E
Refrigerated Cabinets
FL-2400
Rev. 2 (5/19)
Page 4 of 9
OPERATING INSTRUCTIONS
HOW TO OPERATE (CONT.):
b. To change the setpoint:
1. Push the SET button for more than 2 seconds.
2. °F will begin blinking.
3. Use the ↑ or ↓ buttons to adjust the value.
4. Press the SET button or wait 10 seconds and
the new value will be stored.
4. The control stores the minimum and maximum
temp values seen.
a. To view the MIN temperature:
1. Press the ↓ button.
2. “Lo” will be displayed, followed by the
minimum recorded temperature.
3. Press the ↓ button again or wait 5 seconds to
get back to the normal display.
b. To view the MAX temperature:
1. Press the ↑ button.
2. “Hi” will be displayed, followed by the
maximum recorded temperature.
3. Press the ↑ button again or wait 5 seconds to
return to the normal display.
c. To reset the MIN and MAX recorded
temperatures:
1. Go through one of the above procedures to
display the MIN or MAX temperature.
2. While the MIN or MAX temp is displayed,
press and hold the SET button for more than 3
seconds
3. “rSt” will be blinking
4. The control will go back to the normal display
5. Under normal conditions, the controller is
programmed to run a defrost cycle at optimal time
intervals.
5925 Heisley Road • Mentor, OH 44060-1833
6. If an additional defrost cycle is required, one can be
forced.
a. Press the DEF key for more than 2 seconds.
(This key looks like a melting snowake.)
7. This unit is equipped with 2 dierent light xtures
for convenience and health. They are both
triggered by a door opening event.
a. The LED light is set to illuminate the interior
of the cabinet while the door is in the open
position.
b. The UV light is set to sanitize the air at certain
intervals while the door is closed.
c. Ensure the door gasket is aligned properly so
that the door switch operates correctly.
d. If the door is open for an extended period of
time, display will show door alarm “dA”
CAUTION: Ensure the door switch is operating
properly. The sanitizing bulb is designed to work
ONLY at certain times when door is CLOSED - if
the door switch has failed, it may be on when the
door is open.
WARNING Although the system is completely
enclosed within the shroud in the evaporator
assembly, it DOES still emit low energy ultraviolet
waves. If the evaporator has been disassembled,
take care NOT to look directly at the bulb or have
your skin exposed for an extended period of time.
For greatest germicidal eect, it is recommended to
change the UV bulb every 6 months. Only replace
with genuine Cres Cor part.
8. Locking out the control panel – to have the control
locked out so that only the setpoint/min/max be
viewable:
a. Press and hold the ↑ and ↓ buttons together for
more than 3 seconds
b.“POF” will be displayed.
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
Series R-171-E
Refrigerated Cabinets
FL-2400
5925 Heisley Road • Mentor, OH 44060-1833
OPERATING INSTRUCTIONS (continued)
9. To unlock:
a. Press and hold the ↑ and ↓ buttons together for
more than 3 seconds
b.“Pon” will be displayed.
10. It is not recommended to ever put any hot, warm,
or room temperature product into the refrigerator.
If something needs to be cooled down at a faster
rate than normal (e.g. a large load of cool product
is placed into the refrigerator and needs to become
cold), press and hold the ↑ button for 3 seconds
and the refrigerator will run to below the normal
setpoint for about 40 minutes to aid in pulldown.
a. Yellow snowake will illuminate.
b.NOTE: this process will not initiate if the
cabinet is in a defrost cycle.
Rev. 2 (5/19)
HOW TO CLEAN THE CABINET:
BEFORE cleaning
WARNING
1. Unplug cord from wall.
2. Do NOT hose cabinet with water.
3. Do NOT get water into bottom compartment.
4. Do NOT use abrasives or harsh chemicals.
■ Wipe up spills as soon as possible.
■ Clean regularly to avoid heavy dirt build-up.
Cleaning Hints:
1. Use the mildest cleaning procedure that will do the
job.
the cabinet:
Page 5 of 9
TO SHUT UNIT OFF:
1. Press power switch “OFF”
HOW TO REVERSE DOOR SWING FOR
OPPOSITE HAND:
(Single Door Cabinet ONLY)
1. Remove hinge covers with a screwdriver.
2. Open door and lift up to remove door from
cabinet.
3. Unscrew and re-mount the hinges and latch strike
to the opposite sides of the cabinet.
4. Remove the door hinges and the door latch. Turn
hinges and handle over and remount in the same
holes
5. Remove plastic cam from each hinge, rotate cam
180° with “V” groove on cam toward inside of
cabinet. Reseat cam into hinge.
2. Always run in the direction of polish lines to avoid
scratching the surface.
3. Use only a soft cloth, sponge, brous brushes,
plastic or stainless steel pads for cleaning and
scouring.
4. Rinse thoroughly with fresh water after every
cleaning operation.
5. Always wipe dry to avoid water marks.
6. Plug all the extra holes with screws.
7. Put door onto cabinet and adjust as necessary.
8. Snap on hinge covers..
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
Series R-171-E
Refrigerated Cabinets
FL-2400
Rev. 2 (5/19)
Page 6 of 9
MAINTENANCE INSTRUCTIONS
HOW TO CLEAN THE CABINET (CONT.):
Soil Cleaner Method
Soap, Ammonia, or mild
*detergent and water.
Mild abrasive made for
stainless steel.
Chemical oven cleaner for
stainless steel.
Vinegar
CABINET
Inside
and
Outside
(Stainless Steel)
ROUTINE CLEANING
STUBBORN SPOTS
AND STAINS
GREASE, OIL
HARD WATER
SPOTS & SCALE
*Mild detergents include soaps and non-abrasive cleaners.
5925 Heisley Road • Mentor, OH 44060-1833
1. Sponge on with cloth.
2. Rinse with water.
3. Wipe dry.
1. Apply with damp sponge or cloth.
2. Rub lightly.
Follow oven cleaner manufacturer’s
directions.
1. Swab or wipe with cloth.
2. Rinse and dry.
MAINTENANCE:
HOW TO CHARGE AND SERVICE THE REFRIGERATION SYSTEM
Note: The refrigerator is shipped fully charged. No changes to the refrigerant system are necessary.
Inspect condenser for dust buildup on an annual basis. If necessary, gently remove blockages with a light
brush or dusting tool.
TECHNICAL SPECIFICATIONS
Design
Pressure
(High Side)
Conguration
Single Door
Refrigerant
Type
Charge
Size (oz)
16 440 180
R134A
Double Door 440 180
Design
Pressure
(Low Side)
Operating
Pressure
(High Side)
Operating
Pressure
(Low Side)
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
Series R-171-E
Refrigerated Cabinets
FL-2400
5925 Heisley Road • Mentor, OH 44060-1833
MAINTENANCE INSTRUCTIONS
TROUBLE-SHOOTING GUIDE
TROUBLE-SHOOTING GUIDE
Unit Condition:
Unit is plugged in. Switch is ON.
Failure Probable Cause
1. Power light o, cabinet does
nothing
2. Power light on, evap fan on,
compressor o
3. Power light on, evap fan o
4. Evap fan on, compressor on,
cabinet not cooling
5. Noisy compressor
1a. Power supply/circuit breaker
1b. Power Cord
1c. Power Switch
2a. Cycling is normal condition
2b. Control/sensor
2c. Compressor/capacitor
2d. Wiring
3a. Defective evap fan
3b. Wiring
4a. Low charge
4b. Frost buildup in evap coil - activate
manual defrost
4c. Condenser fan
4d. Compressor
5a. High or low charge
5b. Refrigerant contaminated
5c. Defective compressor
Rev. 2 (5/19)
Page 7 of 9
Symbol/Code Function
Green snowake Compressor on
Melting snowake Defrost enabled
Yellow snowake Below setpoint on
°F Measurement unit
dA Door open alarm
P1 Probe failure
HA Maximum temp alarm
LA Minimum temp alarm
NOTES:
1. Thermostat is pre-set at approximately 38°F (3.8°C). Temperature adjustment can only be made by a Service Agency.
2 For replacement of the electrical parts, refer to our list of authorized service centers (FL-1400).
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
Series R-171-E
Refrigerated Cabinets
FL-2400
Rev. 2 (5/19)
Page 8 of 9
5925 Heisley Road • Mentor, OH 44060-1833
REPLACEMENT PARTS
Include all information on nameplate when ordering parts
REPLACEMENT PARTS:
Description -10E 120V -20E 120V -10E 240V -20E 240V
Condensor Assembly 0854-053 0854-054 0854-053-240 0854-054-240
Control, Probe 0848-087 0848-087 0848-087 0848-087
Control, Temp 0848-117-01-K 0848-117-02-K 0848-117-01-K 0848-117-02-K
Cord Set 0810-029-06 0810-039-07 0810-029-06 0810-039-07
Door assembly 1221-672 1221-672 1221-672 1221-672
Evaporator Assembly 1416-072 1416-073 1416-072-240 1416-073-240
Evaporator Fan Assy 1416-072-01 1416-072-01 1416-072-240-01 1416-072-240-01
Expansion Valve (tev) 0854-042 0854-042 0854-042 0854-042
Door Heater 0811-332 0811-332 0811-322-240 0811-322-240
Hinge Kit 0519-087-K 0519-087-K 0519-087-K 0519-087-K
Cabinet Light 0820-061 0820-061 0820-061 0820-061
Strain Relief 0818-057 0818-057 0818-057 0818-057
Switch, Power 0808-125 0808-125 0808-125 0808-125
Switch, Door 0808-128 0808-128 0808-128 0808-128
Transformer / / 0769-198 0769-198
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
Series R-171-E
Refrigerated Cabinets
FL-2400
5925 Heisley Road • Mentor, OH 44060-1833
WIRING DIAGRAM
LED LIGHT
0812-906 CORD #14/3 SJO
WAGO
12
WAGO
CABLE FROM CONTROL COMPARTMENT TO BOTTOM
13
Rev. 2 (5/19)
Page 9 of 9
RECEPTACLE
CONDENSOR UNIT
WAGO
WAGO
15
UV LIGHT
14
WAGO
WAGO
XFMR
WAGO
16
WAGO
WAGO
13
11
11
EVAPORATOR
EVAPORATOR FAN
8
WAGO
7
10
6
5
TB2
3
4
2
POWER SWITCH
DOOR PERMIMETER HEATER
1
9
9
TEMPERATURE CONTROL
12
DOOR SWITCH
CHASSIS GROUND
TB1
POWER CORD
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
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