2
CONTENTS:
1. Technical description.
1.1. General description
1.2. Block diagram
1.3. Description of elements and connectors of the power supply
1.4. Technical parameters
2. Installation.
2.1. Requirements
2.2. Procedure of installation
3. Signalling the operation of power supply.
3.1. Optical signalling
3.2. Technical output
4. Service and operation.
4.1. Overload and short-circuit
4.2. Maintenance
1. Technical description.
1.1. General description.
AC/AC
PSAC 04244
power supply is using for supplying alarm systems devices requiring AC voltage of
24 V
with overall
efficiency of
4A@24V AC.
Basic features of the power supply:
•
4 outputs
protected independently by fuses or PTC: failure (short-circuit) within the circuit of any of the outputs will
result in burnout of the safety device insert/actuation of the PTC and isolation of the circuit from power supply.
•
regulation of the output voltage
: in case of installation, where significant drops in voltage in effective resistance of
receiver supply cables can occur, it is possible to correct the value of output voltage with the help of U1/U2 jumper,
independently for each AUX output.
•
optical work signalling
informing about the condition of outputs and/or failure.
•
AW technical output
informing about output failure (activity of the SCP), used for remote control of the activity.
•
protection:
short-circuit protection (SCP), overload protection (OLP), overheat protection of the transformer (OHP)
•
metal casing
(colour – RAL 9003) with signalling panel.
Information about additional elements of PSAC 04244 power supply
- module of the AC/AC power supply in ABS casing, MSC 1512 (module of MSC 12V/1.5A or 24V/1A power supply,
exchanged voltage) allowing to create a 24 V AC and 12 V DC/24 V DC supply system.
Information about types:
Model
Description
PSAC 08246
PSU-U-24V/AC-6A/8/FTA/PTC-TR-MC
AC/AC 24 V AC power supply, with overall current efficiency of 6 A@24V
and switched output voltage of 24.0 V/27.0 V. Equipped with AUX outputs
condition signaling panel. IP20 metal casing with signaling panel, equipped
with TAMPER microswitch.
PSACH 01244
PSU-U-24V/AC-4A/1/FTA-TR-HC
AC/AC 24 V AC power supply, with overall current efficiency of 4 A@24V
and switched output voltage of 24.0 V/27.0 V. ABS IP65 casing equipped
with TAMPER microswitch.
PSACH 04244
PSU-U-24V/AC-4A/4/FTA/PTC-TR-HC
AC/AC 24 V AC power supply, with overall current efficiency of 4 A@24V
and switched output voltage of 24.0 V/27.0 V. Equipped with AUX outputs
condition signaling panel. ABS IP65 casing equipped with TAMPER
microswitch.
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