Note The refrigerator is shipped fully charged

5925 Heisley Road • Mentor, OH 44060-1833

OPERATING and MAINTENANCE INSTRUCTIONS

for Cres Cor Refrigerated Cabinets,

Model R-171-S Series

MAINTENANCE:

HOW TO CHARGE AND SERVICE THE REFRIGERATION SYSTEM

Note: The refrigerator is shipped fully charged.

The high-side pressure should be approximately 175 PSI;

low pressure should be approximately 18 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.

TROUBLE-SHOOTING GUIDE

Unit is plugged in. 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	3a. Thermostat defective
	light on and Compressor off	3b. Defective start relay (compressor)
4.	Compressor on and cabinet	4a. Low charge
	not cooling	4b. Frost build-up on evaporator coil
		4c. Evaporator fan defective
		4d. Thermostat defective

5.Compressor starts and stops; cabinet not cooling

6.Noisy compressor

NOTES:

5a. Low Charge

5b. Faulty start capacitor (compressor)

5c. Faulty start relay (compressor)

6a. Low charge

6b. Defective

1.Thermostat is pre-set at approximately 38°F (3.8°C). Temperature adjustment can only be made by a Service Agency.

2For 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