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Thank you for choosing PROJOY products.

Please read carefully before installation.

PROJOY PEFS

FIREFIGHTER SAFETY SWITCH

Instructions for Installation and Operation

General Notice

1. Changes or modifications not explained/approved in this manual voids your authority to 
operate this equipment.
2. PROJOY shall not be held responsible for any damage caused due to incorrect installation 
of the product and/or the misunderstanding of this manual.
3. PROJOY reserves the right to make any 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  may  be  modified  or 
duplicated except for the purpose of personal use.
5. To ensure the recycling of all possible materials and proper disposal treatment of compo-
nents, please return the product to PROJOY at end-of-life.
6. Check the system regularly (once per 3 months) on faults.

Important Safety Precautions

Components  in  the  installations  are  exposed  to  high  voltages  and  currents.  Follow  these 
instructions carefully in order to reduce the risk of fire or electric shock.
The following regulations and standards are considered applicable and mandatory to read 
prior to the installation of electrical equipment:
1.  International  Standards:  IEC  60364-7-712  Electrical  installations  of  buildings-Require-
ments for special installations or locations-Solar Photovoltaic (PV) power supply systems.
2. Local building regulations.
3. Guidelines for lightning and overvoltage protection.
Note!
1. It is essential to uphold the limits for voltage and current in all possible operating conditions. 
Also keep in mind the literature on correct dimensioning and sizing of cabling and compo-
nents.

1

Summary of Contents for PEFS

Page 1: ...erials and proper disposal treatment of compo nents please return the product to PROJOY at end of life 6 Check the system regularly once per 3 months on faults Important Safety Precautions Components in the installations are exposed to high voltages and currents Follow these instructions carefully in order to reduce the risk of fire or electric shock The following regulations and standards are con...

Page 2: ...nd the inverter after the AC power to the PEFS is interrupted for longer than five seconds The PEFS will automatically switch to the on position restoring the DC connection between the solar panels and the inverter once the AC power to the PEFS is restored longer than five seconds Special Operation If the temperature inside the PEFS enclosure exceeds the 70 the PEFS will automatically switch to OF...

Page 3: ...12 2 Strings 2 Kit with cable glands 5 x M12 1 String or 9 x M12 2 Strings 3 Kit with pre wired 4 x BC03D connectors 1 String or 8 x BC03D connectors 2 Strings and 1 x M12 cable gland for AC Note The outer diameter of cable is 3mm 7 5mm WIRING OPTIONS ...

Page 4: ...PEFS read this manual and prepare cross straight screwdriver Remove the 4xM4 screws with cross screwdriver open the lid Remove the lid from the enclosure Mount the switch enclosure on the wall Note The screw is M8 self tapping screw M4 4 INSTALLATION ...

Page 5: ...gland if the remote display function is needed 5 FB1 option AC Cable MAX 0 75 mm CN4 FB2 PE N L FB1 FB2 PE N L M MCU CONTROL DR External power Indicator light AC distribution box PEFS Monitoring room Note External power 5 48V 150mA Resistance metal shell 10W Resistor is selected according to supply voltage to ensure circuit current less than the rated current of the Indicator light and 320mA Resis...

Page 6: ...Wire the string cables to the interface Wire the string cables DC to the switch Note Please follow the marks 1 1 2 2 for PV wiring 6 MAX 1 7Nm Close the switch enclosure with cross screwdriver ...

Page 7: ...mail sales projoy electric com Made in China 7 AC POWER OFF Approx 7 sec AC POWER ON Approx 8 sec Step1 Activate AC power circuit PEFS switches on Test AC POWER ON Approx 35 sec Step 2 Wait one minute UPS is charging Approx 1 min M4 4x Max 1 7Nm Projoy Electric Co Ltd Tiancheng Times Business Plaza Xiangcheng District Suzhou China Tel 86 512 6878 6489 Fax 86 512 6878 6489 Web www projoy electric c...

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