Maintenance For Long Periods Of Inactivity; Low Voltage Protection - Isotherm BI29 Dual Instructions Pour L'installation Et L'utilisation

3.3 Maintenance for Long Periods of Inactivity

In the winter, the product must be stored inside the vehicle, as it will not work at
temperatures near or below 0°C. When switching off the product for prolonged periods
of time, wait for complete defrosting and remove the condensation that has formed.
To prevent damage to the product, electrical/mechanical components and/or the
formation of mould. The natural defrosting time can vary from a few minutes to several
hours. When the product is shut off, the door should be left in ventilation position and
all power disconnected.

4 Low voltage protection

In order to prevent excessive battery depletion, a protection device shuts off the
compressor in case of insufficient voltage and turns it back on when the voltage in
the system increases after the batteries have been charged.
System Voltage
12V
24V
If the bridge is removed between C and P, the values indicated in the parentheses are
valid.
WARNINGS: Before switching on the product, always make sure that the
batteries are in optimal condition.
18
Shut-down Minimum Operating
Voltage Voltage
9.6 (10.4) V 10.9 (11.7) V
21.3 (22.8) V 22.7 (24.2) V
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