Documentation Center
General Warnings and Cautions
⚠
WARNING
Read this entire document before installing or using RAK9155. Failure to do so or to follow any of the
instructions or warnings in this document can result in electrical shock, serious injury, or damage to the
device, potentially rendering it inoperable.
A battery can present a risk of electrical shock, fire, or explosion from vented gases. Observe proper
precautions.
RAK9155's installation must be carried out only by certified well trained professionals.
Use RAK9155 only as directed.
Do not use RAK9155 if it is defective, cracked, broken, damaged, or fails to operate.
Before beginning the installation, ensure that the RAK9155 is switched off. Open any associated circuit
breakers and disconnect switches (if applicable for the installation).
Do not attempt to open, disassemble, repair, tamper with or modify the device. The batteries, BMS
PCBA, bus board, and solar charger in RAK9155 are replaceable. Contact RAKwireless of the certified
installer who installed it for any repairs.
Handle with care to protect RAK9155 and its components from damage when transporting. Do not
impact, pull, drag, or step on RAK9155. Do not subject RAK9155 to any strong force. To prevent
damage, leave RAK9155 in its shipping packaging until it is ready to be installed.
Do not insert foreign objects into any part of RAK9155.
Do not expose RAK9155 or its components to direct flame.
Do not install RAK9155 near heat sources.
If there is a chance for the ambient temperature to reach 55 ℃ or higher, make sure to shield RAK9155
from direct sunlight either by placing the device under the solar panel or other type of shield.
Do not immerse RAK9155 or its components in water or other fluids.
CAUTION
Do not use solvents to clean RAK9155, or expose RAK9155 to flammable or harsh chemicals or
vapors.
Do not use fluids, parts, or accessories other than those specified in this manual including the use of
non-genuine RAKwireless parts or accessories, or parts or accessories not purchased directly from
RAKwireless or a RAKwireless-certified party.
Do not keep RAK9155 in storage conditions for more than one month without performing a charge-
discharge cycle.
Do not connect RAK9155 directly to the utility wiring.
When installing RAK9155 in a garage or near vehicles, keep it out of the driving path. If possible, install
RAK9155 on a sidewall and/or above the height of vehicle bumpers.
Environmental Conditions
⚠
WARNING
Install RAK9155 in a location that prevents damage from flooding.
Operating or storing the RAK9155 in temperatures outside its specified range might cause damage to
the device.
Do not expose RAK9155 to an ambient temperature above 45 ℃ or below -20 ℃.