REFU 801 Series - 1 Basic Safety Information; Safety Instructions

REFUone 3K-2T …7K-2T
5
1 Basic safety information
If you have any question or problem when you read the following information,
please contact REFU Elektronik GmbH.
Note
Outlines of this chapter
Safety instruction
It mainly introduce the safety instruction when install and operate the equipment.
Symbols and signs
It mainly introduce the safety symbols on the inverter.
1.1 Safety instructions
 Read and understand the instructions of this manual, and be familiar with relevant safety
symbols in this chapter, then start to install and troubleshoot the equipment.
 According to the national and state requirements, before connecting to the electrical grid, you
must get permission from the local electrical grid operator, and the operation can only be
performed by qualified electrical engineer.
 Please contact the nearest authorized service center if any maintenance or repair is needed.
Contact your distributor for the information of the nearest authorized service center. Do NOT
repair it by yourself, it may cause injury or property damage.
 Before installing and maintaining the equipment, you should turn the DC switch OFF to cut off
the high voltage DC of the PV array. You can also turn the switch in the PV combiner box OFF to
cut off the high voltage DC. Otherwise, serious injury may be caused.
1.1.1 Qualified persons
The customer must make sure the operator has the necessary skill and training to do his/her
job. Staff in charge of using and maintaining the equipment must be skilled, aware and mature
for the described tasks and must have the reliability to correctly interpret what is described in
the manual. For safety reason only a qualified electrician, who has received training and / or
has demonstrated skills and knowledge in construction and in operation of this unit, can install
this inverter. REFU Elektronik GmbH does not take any responsibility for the property
destruction and personal injury because of any incorrect use.
1.1.2 Installation requirements
Please install inverter according to the following section. Fix the inverter on an appropriate
objects with enough load bearing capacity (such as walls, PV racks etc.), and ensure that
inverter is vertical placed. Choose a place suitable for installing electrical devices. Assure there
is enough fire exit space, convenient for maintenance. Maintain proper ventilation to ensure
enough air cycle to cool the inverter.