1 Scope and General
2 Important Safety Precautions
This manual is used for PEFS-EL Series of Fire Fighter Safety Switch (FFSS).
Version Date Remark Chapter
V1.0 2021-10-15 First Edition -
www.projoy-electric.com
PEFS-EL Series
1
1. Changes or modifications not explained/approved in this manual avoids your authority to operate this equipment.
2. PROJOY shall not be held responsible for any damage caused by incorrect installation and/or the misunderstanding of this
manual.
3. PROJOY reserves the right to make modification to this manual or the information contained herein at any time without
notice.
4. No design data such as sample pictures provided in this manual should be modified or duplicated except for personal use.
5. Check the system regularly every 3 months
Components in the installations are exposed to high voltages and currents.
Follow these instructions carefully to avoid the risk from fire or electric shock.
The following regulations and standards are applicable and must be read before installation:
1. Wiring should be done by professional and qualified people;
2. Wiring should be done after confirming of complete disconnection of power supply;
3. International Standards: IEC 60364-7-712 Electrical installations requirements of PV system.
4. Local building regulations.
5. Guidelines for lightning and over voltage protection.
Note!
1. It is essential to maintain voltage and current limits under all possible operating conditions. Also keep in mind the literature
on the correct dimensions and dimensions of cables and components.
2. The installation of such equipment should only be carried out by certified technicians.
3. The wiring schematics of the Firefighter Safety Switch can be found at the end of this manual.
4. All installation works shall be tested in accordance with relevant local laws and regulations during installation.
V2.0 2022-04-20 Content Modified 6 Installation
V2.1 2022-05-18 Content Modified 4 Shutdown Ways
V2.2 2022-06-23 Content Modified 6 Installation
V2.3 2022-08-01 Content Addition 7 PID Recovery Function
3.1 Using of the Rapid Shutdown
The Rapid Shutdown was developed as a safety device for disconnecting the DC strings, when emergency case occurs, like
fire.
3.2 Installation of the Rapid Shutdown
The Rapid Shutdown should to be placed as close to the solar array as possible, which is IP65 for outdoor installation.
3 Using of FFSS
