14
1.1-3 kVA - Ref.: IOMNETRTXX00-GB 00
5.1 Safety warnings
• Before connecting the battery extension, check that it is fully compatible with the model of UPS in use.
• The use of battery extensions not supplied by the manufacturer is inadvisable.
WARNING!
There is a risk of explosion if battery modules are replaced with others of incorrect type.
• Depleted batteries are considered as toxic waste. When battery replacement becomes necessary, release all depleted batteries
only to certified and licensed waste disposal companies. In accordance with local bylaws, it is absolutely forbidden to dispose of
batteries together with other industrial waste or household refuse.
WARNING!
It is extremely dangerous to touch any part of the battery storage unit.
5.2 Connection of battery extension
WARNING!
Before commencing any operation, make certain that:
• the voltages of the UPS battery and of the battery extension are the same,
• 1.1 kVA 24 VDC (NRT-B1100)
• 1.7 kVA 48 VDC (NRT-B2200)
• 2.2 kVA 48 VDC (NRT-B2200)
• 3.0 kVA 72 VDC (NRT-B3000)
• the UPS has been shut down completely and all isolation switches are OFF;
• switches upstream of the UPS are OFF.
When connecting the UPS to the battery extension, use only the cable provided with the equipment.
Any wiring error that results in the polarity of the battery being inverted can cause permanent damage to the
equipment.
• Set the switch on the back of the battery extension module to the OFF position.
• Connect the battery extension module to the UPS.
• Set the switch on the back of the battery extension module to the ON position.
5. CONNECTION OF BATTERY EXTENSION
