RAM™ 280-F Frozen Fry Dispenser
Copyright © 2011 Automated Equipment LLC All rights reserved.
40
Refrigeration System
General Operation
The RAM 280-F employs a cold wall system.
Through the refrigeration process, heat is
transferred to the condensing unit at the bottom
of the cabinet, where it is expelled to the
surrounding outside air. It is extremely
important to allow unrestricted airflow for the
refrigeration process to function properly.
A minimum of 0.5” (13 mm) clearance on both
sides and 2” (50 mm) behind the dispenser is
recommended.
The temperature control for the RAM 280-F is
capable of detecting conditions that fall outside
of normal operation. In such cases, the
controller will generate and display an error to
warn the operator that an abnormal condition
exists and corrective action may need to be
taken. Some error conditions are easily fixed,
while others may require the attention of a
qualified service technician.
See
pages 20-24
for a complete list of error
codes and a troubleshooting guide.
CAUTION: Only trained and/or qualified
personnel, licensed in refrigeration, should
perform service to the refrigeration systems
of this equipment.
The setpoint temperature is the temperature the
refrigeration system will attempt to maintain
inside the cabinet. The default setpoint
temperature is 0°F (-18°C), and has a range of
-5°F to 20° F(-20°C to -6°C). The setpoint can
be changed using the Manager Menu. (see pg
15). Cabinet temperature is displayed on the
operator panel during normal operation.
Defrost
Because the dispenser employs a cold wall
design, it will be necessary to manually defrost
the cabinet daily. First, remove the product.
Turn the On/Off Switch off. Open the Cabinet
Door and allow 1 hour to defrost.
Caution: Never use a sharp object to remove
frost build-up. Never drill or otherwise
puncture cabinet walls or top.
Wipe the cabinet dry when defrosting is
complete.
Required Maintenance
Daily:
•
Shut off, clean, defrost and inspect cabinet.
(see
page 9
)
Monthly:
•
Clean and inspect the condenser filter.
Replace as necessary.
Every 6 months
, or as needed as determined
by environmental conditions:
•
Inspect the door gasket for proper sealing.
Adjust door hinges and/or replace gasket if
needed.
•
Clean the condenser coils, located behind
the condenser filter. (See below.)
Cleaning the Condenser Filter and Coil
Monthly cleaning of the condensing unit filter will
aid the heat transfer characteristics of the
refrigeration system, increase its efficiency, and
extend the life of the compressor. On dispensers
manufactured after serial number
LONR0912D01204, remove the louvered front
panel by unscrewing the retainer screws and lift
out the condenser filter. For earlier dispensers
with a louvered drawer, slide the front louvered
drawer out and lift out the condenser filter. The
filter can be cleaned in warm soapy water (
HCS
).
Rinse and shake off the excess water. Replace
the filter and close the louvered drawer.
Every 6 months clean the condenser coils. The
coils are located behind the condenser filter. The
condenser coils should be cleaned with a vacuum
or a stiff brush.
Failure to keep the condenser filter and coil
clean and clear of obstructions could result in
temperature loss and damage to the
compressor and may void the warranty.