Shellab SRI21FV-2 - Manual (Page 12)

MAINTENANCE
The design of the chamber is such that periodic maintenance is kept to a minimum. NO lubrication or adjustments of
components is needed. If the incubator is used frequently at temperatures below ambient room temperature or in any
manner that increases moisture build-up within the chamber, a frequent defrosting schedule is recommended.
6.1 Defrosting: Frost can appear inside the unit due to moisture accumulating and condensing on the coldest
surface. The unit should be defrosted and cleaned on a regular basis. The unit can be defrosted either
manually or automatically. The water drains from the chamber into a evaporate pan. Make sure to
completely dry out the interior and evaporate tray in the bottom of the body when defrosting is complete.
A. Manual Defrost: Turn the unit off, open the door and allow the frost to melt. Then clean the
chamber following the directions in 6.2.
B. Automatic Defrost: The automatic defrost switch is located on the back of the unit in the top right
corner. It is an ON/OFF switch. In the ON position, the frost sensor is activated once every twelve
(12) hours. If the sensor detects frost, the compressor is shut down until the frost has melted, and the
compressor is reactivated. The amount of time the compressor is shut down is roughly one-half hour.
During this time, the temperature in the chamber will spike and the Main temperature Controller will
cycle off, shutting down the heating element. When the compressor is reactivated, the temperature
will stabilize at set point.
6.2 Cleaning: Clean the incubator with a mild soap and water solution, rinse clean with water and wipe dry with
a soft cloth.
6.3 Disinfecting: Disinfect the incubator on a regular basis. Remove all of the interior parts and clean
thoroughly, including all corners using a suitable disinfectant that is appropriate for your application. DO
NOT use spray cleaners that might leak through openings and cracks and get on electrical components, or
that may contain solvents that will harm the coatings. DO NOT use abrasives of any kind as they will
damage the interior. Special care should be taken when cleaning around sensing heads to prevent damage
and around the door gasket so as not to impair the positive seal.
WARNING: Never clean the unit with alcohol or flammable cleaners with the unit connected to the electrical
supply. Always disconnect the unit from the electrical service when cleaning and assure all volatile or
flammable cleaners are evaporated and dry before reattaching the unit to the power supply.
6.4 Compressor Compartment: Located at the back and bottom of the unit, the compressor compartment can
collect dust which will inhibit proper airflow. This compartment should be vacuumed out at least once every
six (6) months to ensure maximum efficiency. Note that the unit must be disconnected from the power
supply during this procedure, and removal of the wire safety screen is required if it is equipped with one.
6.5 Electrical Components: There is NO maintenance to electrical components such as Temperature
Controllers and Probes. If the incubator fails to operate properly, read the Troubleshooting guide prior to
contacting Customer Service. If service is required, access to all electrical components is available by
removing the panel cover at the top rear of the unit. Temperature Controllers are accessible from behind the
control panel. Main Temperature Probe is located on the interior chamber back. Thermostat Probe is
located in the element chamber. If the Low Limit Temperature Thermostat needs adjustment, contact the
factory for assistance.
Section
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