User Instructions
www.pulsar.pl Seria AWZG2
2
Features:
compliance with norm EN50131-6:2017 in grade 1,2
and II enviroment class
compliance with norm EN60839-11:2013 in grade
1,2 and II enviroment class
supply voltage ~230 V
DC 13,8 V or 27,6 V uninterruptible power supply
available versions with space for 7 Ah – 40 Ah
batteries
available versions with current efficiencies:
o 13,8 V: 2A/3A/5A
o 27,6 V: 2A/3A
microprocessor-based automation system
dynamic battery test
battery circuit continuity control
battery voltage control
battery fuse status control
battery charging and maintenance control
deep discharge battery protection (UVP)
battery output protection against short circuit and
reverse connection
battery charging current jumper selectable
START function of manual switch to battery power
LED optical indication
START facility for manual battery connection
APS technical output indicating battery failure
– OC type
optional module AWZ639 changing OC outputs into
relay outputs
protections:
o SCP short-circuit protection
o OLP overload protection
o against sabotage: unwanted enclosure
opening
warranty – 5 years from the production date
Table of contents:
1. Technical description.
1.1. General description
1.2. Block diagram
1.3. Description of components and connectors
1.4. Specifications
2. Installation.
2.1. Requirements
2.2. Installation procedure
3. Operating status indication.
3.1. Optical indication
3.2. Technical outputs
3.3. Technical outputs – relay.
3.4. Standby time
3.5. Battery charging time
3.6. Running PSU on battery backup
4. Operation and use.
4.1. Overload or short circuit of the PSU output (SCP on)
4.2. Dynamic battery test
4.3. Maintenance.
1. Technical description.
1.1. General description.
The buffer power supply is designed in accordance with the requirements of the (I&HAS) EN50131-6:2017
and (KD) EN60839-11:2013 standard, grade 1÷2 and II environmental class. The power supplies unitsare
intended for for an uninterrupted supply of I&HAS i KD devices requiring stabilized voltage of 12 V or 24 V DC
(±15%).
Displaying parameters of the power supply:
PSU’s name
Output voltage
Output current max.
Output current (in standby
mode for grade 2 EN50131-6,
EN60839-11)
AWZG2-12V2A-B
13,8 V
2 A
0,58A
AWZG2-12V3A-C
13,8 V
3 A
1,41A
AWZG2-12V5A-C
13,8 V
5 A
1,41A
AWZG2-12V5A-D
13,8 V
5 A
3,33A
AWZG2-24V2A-B
27,6 V
2 A
0,58A
AWZG2-24V3A-C
27,6 V
3 A
1,41A
Total current of the receivers + battery charging current mustn’t cross maximum current of power supply.