Helmer iPF125 - Preventive Maintenance

Helmer Scientic i.Series
®
and Horizon Series
™
Freezer - Upright Operation Manual
360369/A 24
10 Preventive Maintenance
Notes
• It is important to ensure that all scientic equipment is maintained regularly for optimum performance.
• These are recommended minimum requirements. Regulations for your organization or physical conditions at your
facility may require maintenance items to be performed more frequently, or only be designated service personnel.
Maintenance tasks should be completed according to the following schedule. Refer to the service manual and the i.C³ User Guide
for detailed information on tasks.
Table 8. Preventive Maintenance Schedule
Task
Frequency
Quarterly Annually 2 years As Needed
i.Series: Test the high and low temperature alarms.
Horizon Series: Test the high temperature alarm.

Test the power failure alarm (as required by your organization’s protocols).

Models with Access Control
Test the Access Control battery.
 (Horizon
Series)
Replace Access Control back-up battery.

Test the door alarm (as required by your organization’s protocols).

Check the temperature calibration on the monitor and change it if necessary.

Models with Chart Recorders
Check the backup battery for the chart recorder after an extended power failure
and change it if necessary, or change the battery if it has been in service for one
year. Refer to the Temperature Chart Recorder Operation and Service Manual.

Electrical Compartment
• Inspect electrical components and wiring terminals in the electrical box for
discoloration. Contact Helmer Technical Service if any discoloration is found.
• Inspect all wiring for terminals for secure connection. Tighten wiring terminal
connections as necessary.

Replace the monitoring system back-up battery.
 (Horizon
Series)
 (i.Series)
Check the level of the solution in the probe bottles. Rell or replace solution if
necessary.

Examine the probe bottles and clean or replace if necessary.

Clean the condenser grill.

Clean the door gaskets, interior, and exterior of the freezer.

If applicable, test the ground fault circuit interrupter on the internal outlet.

Inspect ground strap (Units prior to serial number 2022299)
 (i.Series)
NOTICE
Clean the condenser grill on a quarterly basis.
Note
During a power failure, the back-up battery provides power to the monitoring system, power failure alarm, and optional
Access Control. If the back-up battery is not functioning, the power failure alarm will not be activated and the battery
should be replaced.