Samlexpower PST-300S-12E User manual

DC-AC Power
Inverter
Pure Sine Wave
PST-300S-12E
PST-300S-24E
Please read this
manual BEFORE
installing your
inverter
Owner's
Manual

2 | SAMLEX AMERICA INC.
OWNER'S MANUAL | Index
SECTION 1 Safety Instructions ........................................3
SECTION 2 General Information .....................................6
SECTION 3
EMC (EMI/EMS) Compliance .............................................. 13
SECTION 4
Powering Direct / Embedded Switch Mode
Power Supplies (SMPS) ....................................................... 14
SECTION 5 Principle of Operation ............................... 16
SECTION 6 Layout........................................................ 17
SECTION 7
General Information on Lead-Acid Batteries ....................... 18
SECTION 8 Installation ................................................. 29
SECTION 9 Operation ...................................................42
SECTION 10 Protections ............................................. 44
SECTION 11 Troubleshooting Guide ........................... 48
SECTION 12 Specications ......................................... 50
SECTION 13 Warranty ..................................................52
Disclaimer of Liability
UNLESS SPECIFICALLY AGREED TO IN WRITING, SAMLEX AMERICA, INC.:
1. MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION
PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION.
2. ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES, DAMAGES, COSTS OR EXPENSES, WHETHER SPECIAL, DIRECT, INDI-
RECT, CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION. THE USE OF ANY
SUCH INFORMATION WILL BE ENTIRELY AT THE USERS RISK.
Samlex America reserves the right to revise this document and to periodically make changes to the content
hereof without obligation or organization of such revisions or changes.
Copyright Notice/Notice of Copyright
Copyright © 2016 by Samlex America, Inc. All rights reserved. Permission to copy, distribute and /or modify this
document is prohibited without express written permission by Samlex America, Inc.

2 | SAMLEX AMERICA INC. SAMLEX AMERICA INC. | 3
SECTION 1 | Safety Instructions
1.1 IMPORTANT SAFETY INSTRUCTIONS AND SYMBOLS
SAVE THESE INSTRUCTIONS. This manual contains important instructions for models
PST-300S-12E and PST-300S-24E that shall be followed during installation, operation and
maintenance.
The following safety symbols will be used in this manual to highlight safety
and information:
WARNING!
Indicates possibility of physical harm to the user in case of non-compliance.
!
CAUTION!
Indicates possibility of damage to the equipment in case of non-compliance.
i
INFO
Indicates useful supplemental information.
Please read these instructions before installing or operating the unit to prevent personal
injury or damage to the unit.
1.2 SAFETY INSTRUCTIONS - GENERAL
Installation and wiring compliance
 
must be done by a certied electrician.
Preventing electrical shock
 

-
tion 8.5.1 for details.
 
system.
 
 
with the unit. Turning the  switch on the unit to OFF position may not entirely
remove dangerous voltages.
 -



4 | SAMLEX AMERICA INC.
SECTION 1 | Safety Instructions
Installation environment
 
 
 
openings of the cooling fan.
 
Preventing re and explosion hazards
 

equipment. These areas may include spaces containing gasoline-powered machinery,

Precautions when working with batteries
 

 

the battery manufacturer’s recommendations.
 
 

 
The batteries can produce a short circuit current high enough to weld a ring or the

 


1.3 SAFETY INSTRUCTIONS - INVERTER RELATED
Preventing Paralleling of the AC Output


connection may result in parallel operation of the different power sources and AC power

the output section of the unit and may also pose a re and safety hazard. If an Electrical






4 | SAMLEX AMERICA INC. SAMLEX AMERICA INC. | 5
SECTION 1 | Safety Instructions
!
CAUTION!
To prevent possibility of paralleling and severe damage to the unit, never
use a simple jumper cable with a male plug on both ends to connect the


Preventing DC Input Over Voltage


unit. Please observe the following precautions:
 -


 


controller between the solar panel and the battery.
 -


 



into the diversion load if there are no other loads. The charge controller will discon-
-

loads connected to the battery due to high voltages generated during conditions of

therefore, to be ensured that the diversion load is sized correctly to prevent the above
over voltage conditions.
Preventing Reverse Polarity on the Input Side
-



inverter will blow and may also cause permanent damage to the inverter.
!
CAUTION!
 