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MSRK series
6
Table 4. Operating parameters.
Environmental Class
II
Operating temperature
-10
ºC...+40ºC
Storage temperature
-
20ºC...+60ºC
Relative humidity
20%...90%, without condensation
Vibrations during operation
unacceptable
Impulse waves during operation
unacceptable
Direct insulation
unacceptable
Vibrations and impulse waves during transport
Wg PN-83/T-42106
2. Installation.
2.1. Requirements.
The buffer PSU module is to be mounted by a qualified installer, holding relevant permits and licenses
(applicable and required for a given country) for 230 V and low-voltage installations. The unit should be mounted in
confined spaces, in accordance with the II environmental class, with normal relative humidity (RH=90% maximum,
without condensing) and temperature from -
10°C to 40°C.
The unit should be mounted in a metal enclosure (cabinet) in a vertical position so as to ensure free, convection
air flow through the vents. In order to meet the EU requirements, follow the guidelines on: power supply, enclosures and
shielding: - according to application. The module requires ~ 20-22 V power supply with galvanic. (transformer) isolation.
As the PSU module is designed for a continuous operation and is not equipped with a power-switch, therefore an
appropriate overload protection shall be guaranteed in the power supply circuit. Moreover, the user shall be informed
about the method of unplugging (most frequently through separating and assigning an appropriate fuse in the fuse-box).
The electrical system shall follow valid standards and regulations.
2.2. Installation procedure.
CAUTION!
Before installation, make sure that the voltage in the 230 V power-supply circuit is cut off.
To switch off power use an external switch in which the distance between the contacts of all poles in
the disconnection state is not less than 3mm.
It is required to install an installation switch with a nominal current of min. 3 A in the power supply
circuits outside the power supply unit.
1. Install the enclosure or cabinet and lead the cables through the cable ducts.
2. Install the PSU module on mounting pins (the mounting pins should be installed before the assembly of the
enclosure/cabinet).
3. Deliver the AC voltage to the ~AC~ terminals.
4.
Connect the receivers’ cables to the +AUX, -AUX terminals of the terminal box on the PSU board.
5. If needed, connect the device cables to the technical outputs:
- EPS; technical output indicating AC power failure
- APS; technical output indicating battery failure
- optional installation of the AWZ639 relay module changing technical outputs of the OC type to relay type (page.
8, section. 3.3)
6. Use the I
BAT
jumper to set the battery charging current, taking into account the battery parameters and required
charging time.
7. Mount the battery in the battery compartment of the enclosure. Connect the batteries with the PSU paying
special attention to the correct polarity.
8. Connect the ~ 230 V power to the transformer. The corresponding LEDs on the PCB of the power supply module
should be ON: green AC and AUX and red LB. The yellow LB LED should be ON during battery charging..
Optionally, you can install additional PKAZ168 signaling module (page 7, chapter 3.1).
Output voltage of the PSU, without load U = 13,8 V DC.
During battery charge, voltage can amount to U = 11 - 13,8 V DC.
9. Run the PSU test: check the LED and acoustic indication (Tab. 7), technical output; through:
-
cutting off the 230 V current
: LED AC (Fig. 2 level 5), EPS technical output after time 30s
-
battery disconnection
: optical indication, APS technical output
– after a battery test have been
completed (~5min).
10. After installing and checking proper working, the enclosure/cabinet can be closed.
