Cres Cor R-171-B Series Manual

5925 Heisley Road
•
Mentor, OH 44060-1833
877/CRES COR (273-7267)
•
440/350-1100
Fax: [phone] •www.crescor.com
Series R-171-B
Refrigerated Cabinets
FL-0305-C
Rev. 6 (7/13) Page 1 of 4
ELECTRICAL CONNECTIONS:
120 Volt
240 Volt
Current Draw:
9.8 Amps
4.9Amps
Cycles:
60 Hz.
60 Hz
Phase:
Single
Single
NEMA
5-15P
6-15P
HOW TO INSTALL THE CABINET:
1. Remove all packing material from inside
the cabinet.
2. INSTALL ALL ANGLES BEFORE UNIT IS
TURNED ON
a. Check the height of the pans or carriers that
are going to be used so you can figure how
much space you will need between angles.
b. Set angle pins in slots in the cabinet;
push down.
3. Allow enough clearance around cabinet for air
flow.
HOW TO OPERATE:
To Start (See Fig. 1):
1. Turn Switch to OFF
2. Plug cord into lower rear of cabinet.
Turn cord connector to the right to lock it.
3. Plug other end of cord into wall outlet.
4. Turn thermostat so arrow points UP (midscale).
5. Turn Power Switch to ON. Light will
come on and compressor will start.
Hints:
1. Listen closely for the compressor. It will be
slightly loud at first, then quiet down.
2. If you do not hear compressor running, turn
Power Switch to OFF right away.
See "Trouble-shooting" (page 3).
HOW TO OPERATE (continued):
To Run the Unit:
Adjust the thermostat to midscale. The tem-
perature will be 38° F (3° C) to 41° F (5° C).
NOTE: Turn thermostat to the right
(clockwise) for colder cabinet
temperature; or to the left (counter-
clockwise) for a warmer
temperature.
The thermostat has an OFF position.
The compressor will not run when
turned OFF; but the evaporator fan
will continue to circulate the air in
the cabinet.
To Shut Unit Off:
Turn Power Switch to OFF
OPERATING and MAINTENANCE INSTRUCTIONS
for Cres Cor Refrigerated Cabinet, Model R-171-UA9B
FIGURE 1
1. Pilot Light
2. Thermostat
3. Power Switch

5925 Heisley Road
•
Mentor, OH 44060-1833
877/CRES COR (273-7267)
•
440/350-1100
Fax: [phone] •www.crescor.com
Series R-171-B
Refrigerated Cabinets
FL-0305-C
Rev. 6 (7/13) Page 2 of 4
MAINTENANCE:
HOW TO CHARGE AND SERVICE THE REFRIGERATION SYSTEM
The high-side pressure should be approximately 120 PSI;
low pressure should be approximately 18 PSI at 70° F (21° C) room temperature.
The charge should be 9.5 ounces of R134A.
Service valves are located on the condenser assembly.
HOW TO CLEAN THE CABINET:
WARNING!
1. REMOVE POWER CORD FROM
CABINET BEFORE CLEANING.
2. DO NOT HOSE CABINET WITH WATER.
3. DO NOT GET WATER IN COMPRESSOR
COMPARTMENT.
4. DO NOT USE ABRASIVES OR HARSH
CHEMICALS.
Cleaning Hints:
1. Wipe up spills as soon as possible.
2. Clean the cabinet regularly to avoid
heavy dirt build-up.
3. Clean a test spot with cleaner.
4. Follow manufacturer's directions on
the cleaner.
5. Do not mix cleaners.
6. Avoid drips and splashes.
Soil
Cleaner
Method
CABINET
(Aluminum)
Dirt
Mild Detergent* and hot water, or
mild abrasive cleaner.
1. Wipe with soft, damp cloth.
2. Rinse with hot water.
3. Wipe Dry.
Steam (no strong alkaline
additive)
1. Rinse after steam cleaning.
2. Wipe Dry
Fingerprints,
grease, oil
Mild Detergent* and hot water
1. Wipe with soft, damp cloth.
2. Rinse with hot water.
3. Wipe Dry.
Chemical oven cleaner for
aluminum
Follow oven cleaner manufacturer’s
instructions
Water Spots
Mild abrasive cleaner.
Oily or waxy cleaner.
Apply with soft, clean cloth.
Wipe with damp cloth.
*Mild detergents include soaps and non-etching cleaners.
OPERATING and MAINTENANCE INSTRUCTIONS
for Cres Cor Refrigerated Cabinet, Model R-171-UA9B

5925 Heisley Road
•
Mentor, OH 44060-1833
877/CRES COR (273-7267)
•
440/350-1100
Fax: [phone] •www.crescor.com
Series R-171-B
Refrigerated Cabinets
FL-0305-C
Rev. 6 (7/13) Page 3 of 4
HOW TO REVERSE DOOR
HARDWARE FOR OPPOSITE HAND:
1. Pop off 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 handle;
remount in the same hole patterns on the opposite sides of the door.
5. Plug all the extra holes with screws.
6. Put door onto cabinet and snap on the hinge covers.
TROUBLE-SHOOTING GUIDE
Thermostat is a constant cut-in type. It is designed to not turn on (cut-in) until evaporator coil reaches
38-41°F (3-5° C).
Unit Condition:
Unit is plugged in. Switch and Thermostat are ON.
Failure
Probable Cause
Failure
Probable Cause
Power light off
Power Cord
Compressor starts and
stops; cabinet not
cooling
Blocked capillary tube
Compressor off
Power supply down
Low Charge
Evaporator fan on,
Power light on and
Compressor off
Thermostat defective
Faulty start capacitor
Defective Start Relay
Faulty start relay
Defective high-limit
thermostat
Shorted compressor
winding
Compressor on and
cabinet not cooling
Low charge
Noisy compressor
Low charge
Frost build-up on
evaporator coil
Defective
Evaporator fan defective
Thermostat defective
Blocked capillary tube
OPERATING and MAINTENANCE INSTRUCTIONS
for Cres Cor Refrigerated Cabinet, Model R-171-UA9B
NOTES:
1. For replacement of the electrical parts, refer to our
list of authorized service centers (Fl-1400).
2. Instructions for replacing parts are included with
the replacement part.

5925 Heisley Road
•
Mentor, OH 44060-1833
877/CRES COR (273-7267)
•
440/350-1100
Fax: [phone] •www.crescor.com
Series R-171-B
Refrigerated Cabinets
FL-0305-C
Rev. 6 (7/13) Page 4 of 4
REPLACEMENT PARTS:
Description
Part Number
Description
Part Number
Condenser/Compressor Ass’y
0854-037-K
Fuse Holder (240 Volt)
0807-048
Cord Set (120 Volt)
0810-031-1
Thermostat Kit
0848-061-K
Cord Set (240 Volt)
0810-032-01
Thermometer Kit
5238-009-K
Evaporator Ass’y
1416-067
Transformer, step down
(230/120 Volt)
0769-175
Fan Motor
0769-041
Fan Motor Blade
0769-023
Universal Angle, Wire
0621-292
Hinge Kit
0519-087-K
Flanged Inlet (120 Volt)
0713-011
Pilot Light “Power ON”
0766-048
Flanged Inlet (240 Volt)
0713-012
Switch, ON/OFF (120 Volt)
0808-011
Terminal Block
0852-091
Fuse (240 Volt)
0807-133
Gasket, Magnetic
0861-202
Universal Angle
0692-095-K
OPERATING and MAINTENANCE INSTRUCTIONS
for Cres Cor Refrigerated Cabinet, Model R-171-UA9B