2.1
Disconnect main power cord.
2.2
Disconnect LN2 supply.
2.3
Before installing the battery backup on the freezer, measure the voltage at the end connector for
approximately 24VDC to 27VDC. Please reference Figure 6.
2.3.1
If no voltage is present, the included fuse must be installed before connecting the battery
to the main wire harness.
2.3.2
Open the battery enclosure and unscrew the fuse harness.
2.3.3
Install the fuse
2.3.4
Close the fuse harness and the battery enclosure.
2.4
With the fuse installed and the battery backup reading approximately 24-27VDC, locate the
battery backup mounting location.
2.4.1
For Cabinet Series and MVE (Open Top) Series, this will be on the back of the Freezer.
Remove the rear panel of the cabinet. Remove screws securing purge coil clamps at the
upper battery backup mount inside the rear enclosure. See Figure 7.
Figure 7 - Purge Coil Screws
2.4.2
For HEco Series Freezers, the battery backup is located under the work platform. If
needed, please see Section 3 for detailed instructions.
2.4.3
For Variō Series, Stock Series, and High Efficiency Series, the battery will be mounted to
the bracket installed in Section 1.
2.5
For all freezers (excluding HEco Series), fasten the battery backup to the mounting location using
the screws included with the battery backup.
2.6
Verify that the TEC 3000 Controller will power on using the AC Power Supply only.
NOTE: Do not connect the battery backup to the main wire harness until the AC Power
Supply has been verified to power up the controller.
2.7
Connect the battery backup to the proper connector on the TEC 3000 Wiring Harness. See
Figure 8.
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