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What are the electrical specifications for the CRES COR R171S1856 refrigerated cabinet?

The electrical specifications for the CRES COR R171S1856 and related models in the R-171-S Series are as follows:

Model No. Volts Amps Hertz Phase NEMA
R171SUA10
R171S1828
120 7.3 60 1 5-15P
R171SUA10240
R171S1828240
240 3.7 60 1 6-15P
R171SUA20
R171S1856
120 8.0 60 1 5-15P
R171SUA20240
R171S1856240
240 4.2 60 1 6-15P

Note: The model numbers listed are basic models. They may be followed by letters: M, L, D or ending with S, Z and/or CAN.


How do I install the CRES COR R171S1856 cabinet?

1. Remove all packing material from inside the cabinet.

2. INSTALL ALL ANGLES BEFORE UNIT IS TURNED ON.

3. Allow enough clearance around the cabinet for air flow.


How do I operate the CRES COR R171S1856 cabinet?

1. Plug cord into proper wall outlet.

2. Turn the power switch to “ON”. The light will come on and the compressor will start. Listen closely for the compressor. It will be slightly loud at first, then quiet down. If you do not hear the compressor running, turn the power switch to “OFF” right away and see the “Troubleshooting” section.

3. Pre-chill the cabinet for approximately 40 minutes or until the temperature reaches approximately 38°F. Load the food.

DO NOT PUT HOT FOOD INTO COLD CABINET!


How do I shut off the CRES COR R171S1856 unit?

To shut the unit off, turn the power switch to “OFF”.


How do I reverse the door hardware for the CRES COR R171S1856 single door cabinet?

To reverse the door hardware for an opposite hand opening on a single door cabinet:

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.

6. Plug all the extra holes with screws.

7. Put door onto cabinet and adjust as necessary.

8. Snap on hinge covers.


What are the cleaning instructions for the CRES COR R171S1856 cabinet?

WARNING: BEFORE cleaning the cabinet:

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.

Also, please wipe up spills as soon as possible and clean regularly to avoid heavy dirt build-up.

Cleaning Hints:

1. Use the mildest cleaning procedure that will do the job.

2. Always run in the direction of polish lines to avoid scratching the surface.

3. Use only a soft cloth, sponge, fibrous 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.


What are the recommended cleaning methods for the CRES COR R171S1856?

Soil Cleaner Method
ROUTINE CLEANING Soap, Ammonia, or mild *detergent and water. 1. Sponge on with cloth.
2. Rinse with water.
3. Wipe dry.
STUBBORN SPOTS AND STAINS Mild abrasive made for stainless steel. 1. Apply with damp sponge or cloth.
2. Rub lightly.
GREASE, OIL Chemical oven cleaner for stainless steel. Follow oven cleaner manufacturer’s directions.
HARD WATER SPOTS & SCALE Vinegar 1. Swab or wipe with cloth.
2. Rinse and dry.

*Mild detergents include soaps and non-abrasive cleaners.


How do I charge and service the refrigeration system on the CRES COR R171S1856?

Note: The refrigerator is shipped fully charged.

The high-side pressure should be approximately 440 PSI.

Low pressure should be approximately 162 PSI at 75° F (24° C) room temperature.

The charge should be 18 ounces of R134a.

Service valves are located on the condenser/compressor assembly.


What is the troubleshooting guide for the CRES COR R171S1856?

This guide applies when the unit is plugged in and the switch is ON.

Failure Probable Cause
1. Power light off 1. Power Cord
2. Compressor off 2. Power supply down
3. Evaporator fan on, Power light on and Compressor off 3a. Thermostat defective
3b. Defective start relay (compressor)
4. Compressor on and cabinet not cooling 4a. Low charge
4b. Frost build-up on evaporator coil
4c. Evaporator fan defective
4d. Thermostat defective
5. Compressor starts and stops; cabinet not cooling 5a. Low Charge
5b. Faulty start capacitor (compressor)
5c. Faulty start relay (compressor)
6. Noisy compressor 6a. Low charge
6b. Defective

What are some important notes regarding the thermostat and electrical parts for the CRES COR R171S1856?

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).


What are the replacement part numbers for the CRES COR R171S1856 series?

Description 120V 240V
Condenser/Compressor Assembly 0854-040 0854-041
Cord Set 0810-029-05 0810-039-06
Door Assembly 1221-553-K 1221-553-K
Evaporator Assembly for R171SUA10, 1828 1416-068-K 1416-070-K
Evaporator Assembly for R171SUA20, 1856 1416-069-K 1416-071-K
Gasket Kit 0861-261 0861-261
Hinge Kit 0519-087-K 0519-087-K
Pilot Light “Power ON” 0766-094 0766-095
Post 0696-237 0696-237
Rack Insert (1828, 1856) 1103-106 1103-106
Receptacle 0713-057 0713-058
Switch, ON/OFF 0808-116 0808-116
Terminal Block 0852-091 0852-091
Thermometer Kit 5238-035-K 5238-035-K
Thermostat (cold control) 0854-043-K 0854-043-K
Universal Angles (R171SUA10, R171SUA20) 0621-281-K 0621-281-K
Valve, Thermal Exp. (R171SUA10, 1828) 0854-042-K1 0854-042-K1
Valve, Thermal Exp. (R171SUA20, 1856) 0854-042-K2 0854-042-K2
Vent Fan (R171SUA20, 1856 ONLY) 0769-045-K 0769-029-K

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