Operating instructions, Care and maintenance – Metro R-Series Mobile Refrigerators User Manual
Page 6

6
OPERATING INSTRUCTIONS
Start up Operation (ON/OFF)
ON/OFF switch for the cabinet is located at the bottom of
the unit, mounted to the front panel. When first energized,
the cabinet will enter an automatic defrost cycle, which
could last up to 6 minutes . After this, the Pre-cooling time
to 40°F (4°C) is approximately 30 minutes.
Analog Thermometer
Analog thermometer is mounted on the door at eye level to
indicate internal cabinet temperature.
Automatic Defrost
Refrigerated cabinets are controlled by electronic
temperature control with automatic defrost, for precise
and consistent temperatures. Defrost cycle occurs every
4 hours or when cabinet power is disrupted.
Temperature Controller
Temperature controller is located in the refrigerated
cassette assembly, mounted in the orientation shown
below.
Operating Temperature
NOTE
: 120V cabinets are preset in
°F
.
220-240V cabinets are preset in
°C
.
1. The cabinet has been shipped from the factory
preset at 33°F (1°C) which yields an average internal
temperature of 35°F (2°C).
It is recommended that
you keep the set point of the digital controller at
33°F
. Should the setting require adjustment, please
follow the steps below:
a. Press and hold the ‘Set’ button for 3 seconds, the
set value starts flashing in few moments.
b. Press UP or DOWN arrow until desired temperature
is reached.
c. Press ‘Set’ button again to confirm the changes.
2. Only product that has been pre-chilled should be
placed into the cabinet. Placing warm product will
elevate the cabinet air temperature above 40°F (4°C).
CARE AND MAINTENANCE
Before proceeding with any
maintenance activity strictly follow
“Safety Information” on page 2 of
this manual.
Regularly inspect the casters.
Tighten loose fasteners and replace
worn or damaged parts with
new InterMetro approved parts.
Replace worn or damaged casters
immediately; lubricate casters
regularly (if applicable).
Cleaning The Cabinet
Unplug the cabinet before cleaning
or servicing. Do not wash the
cabinet with a water jet or high
pressure water.
Use only mild soap or cleaning
agents approved for stainless steel.
Do not use cleaners with chlorides
or phosphates as they may cause
damage to stainless steel.
1. With power cord unplugged, allow cabinet to stabilize
before cleaning. Use a damp cloth or sponge, mild
soap suitable for stainless steel is acceptable. Dry
with a clean towel. Wipe up spills as soon as possible
and regularly clean the cabinet to avoid staining and
difficult to clean conditions.
2. Adjustable slides are easily removed without tools for
cleaning.
Cleaning The Refrigeration Unit
Unplug the cabinet before cleaning
or servicing.
1. Remove side louver from the cabinet to clean dust from
the condenser fins as shown below.
2. In order for the refrigeration system to operate
efficiently, it is recommended that the condenser and
evaporator are kept clean. Recommended minimum
cleaning interval is once a month.
3. All vanes and tubing should be clean and clear of
obstruction; this allows free passage of air. Clean with
a brush, a vacuum cleaner or compressed air, using
extreme caution not to bend the condenser fins.
Condenser fin edges can be sharp,
so exercise caution when brushing
or wiping fins
.
Condenser
Fins
Side Access
Panel/Side
Louver
Temperature
Controller