www.regulus.eu
PG 500 Compact
PG 500 Compact
Installation, Wiring and Operation Manual
PG 500 Compact Backup Power Supply
EN
REGULUS - PG 500 Compact - www.regulus.eu
CONTENTS
1 ESSENTIAL INFORMATION .............................................................................................. 3
1.1 General decription ............................................................................................. 3
2 INSTALLATION, OPERATION ........................................................................................... 4
2.1 Description ......................................................................................................... 4
2.2 Position of the unit ............................................................................................. 4
2.3 Recommended wiring ..................................................................................... 5
2.4 Commissioning ................................................................................................... 10
2.5 Turning on PG Compact with no grid power ................................................... 10
2.6 Battery replacement .......................................................................................... 10
3 UNIT CONDITION INDICATION ....................................................................................... 11
4 POSSIBLE FAULTS, TROUBLESHOOTING ........................................................................ 11
5 TECHNICAL DATA ............................................................................................................ 12
6 MAINTENANCE ................................................................................................................ 12
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REGULUS - PG 500 Compact - www.regulus.eu
1 ESSENTIAL INFORMATION
This UPS of PG Compact series is intended preferably to power supply circulation pumps in heating systems.
THE APPLIANCE OPERATES WITH VOLTAGE DANGEROUS TO HUMAN LIFE. PLEASE STICK TO SAFETY
INSTRUCTIONS GIVEN IN THIS GUIDE.
DO NOT DISMANTLE THE UPS COVER! THE COVER MAY BE DISMANTLED BY A QUALIFIED PERSON ONLY.
The load shall not exceed the inverter power output of 600 W.
The appliance is designed for indoor use.
It is not designed for outdoor operation, nor for operation in explosive environment.
Never charge very cold batteries (exposed to freezing temperatures).
The unit shall be placed in a suciently ventilated space. Ventilation openings shall not be covered and air
intake shall not be obstructed.
Plug the power supply cable directly to a local wall socket. Do not use any extension cables.
1.1 General Decription
When the unit is power-supplied from the grid, the electricity runs via its internal bypass directly to its
outlet socket. At the same time, the battery is being charged. In case of a power failure, the inverter turns
on and the load is fed from the integrated batteries. During charging, the temperature of the unit may rise
to circa 45 °C (normal operation state).
NOTE! MORE APPLIANCES MAY BE CONNECTED BUT ONLY WITH RESPECT TO THE POWER OUTPUT OF
THE PUMP. OF COURSE, WITH A HIGHER LOAD CONNECTED, THE BACKUP TIME GETS SHORTER.
The appliance connects to the power supply with a standard power cord with wall plug. The load is power
supplied via the 230 V socket.
WARNING! WHEN TESTING A PUMP BACKUP, NEVER UNPLUG THE PG 500 COMPACT FROM ELECTRICAL
SOCKET. DOING SO WOULD INTERRUPT THE PE LINE. DE-ENERGIZING SHALL BE DONE BY A CIRCUIT
BREAKER OR A FUSE. MAKE SURE THE PUMP IS CONNECTED IN TN-S SYSTEM, i.e. three-wire system (L,
N and PE).
When running from the battery, the LED marked “BACKUP” is lit. If the battery voltage falls to a low level, an
acoustic alarm sounds prior to disconnecting.
WARNING – Whenever handling a battery, the unit shall be turned o and disconnected from the power
supply.
Features of the UPS
Fast automatic line-to-battery switching
Built-in battery charger.
Intelligent charger control with battery overload and overcharge protection.
Protection against overload, battery overcharge and overheating.
LED indications and buzzer alarms.
The backup power supply may be disconnected from the mains only after the batteries are fully
charged. A battery can be considered fully charged when there were no power cuts for two days.
Storing a discharged battery will cause its denite destruction!
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REGULUS - PG 500 Compact - www.regulus.eu
2 INSTALLATION, OPERATION
2.1 Description
Front panel Rear panel
ON/OFF push button
Red - backup,
battery operation
Orange - overload,
the unit is overloaded
Green - normal, grid
power is present
2.2 Position of the unit
Place the unit on a hard, dry surface in a well ventilated room, at
a safe distance from direct heat sources. In order to secure sucient
cooling, leave at least 100 mm of free space around it.
The unit is designed for indoor use only.
Do not leave the unit in direct sunlight.
Do not leave the unit in excessively hot environment.
Do not expose the unit to excessive moisture.
Do not leave the unit in a dusty place.
Backed up sockets
= OUTPUT
Non backed up socket
Integrated power supply
cable
Fuse
100 mm
UPS
100 mm 100 mm
2.3 Recommended wiring
• it is recommended to use solely an installation contactor with a 230 VAC coil, 2x NO + 2x NC
• it must be ensured that the PE lead cannot be disconnected!
• unconditional separation of the circuit fed from PG 500 from the mains shall be respected
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IR12 CTC controller
REGULUS - PG 500 Compact - www.regulus.eu
Backup of circulation pump of a heat pump.
PG 500 COMPACT BACKUP POWER
SUPPLY W. INTEGRATED BATTERIES
MAINS
230 V, 50 Hz
PUMP WITH
BACKUP
IR 12 SMART
CIRCUIT WITHOUT
BACKUP
Do respect the separation between the circuits with and without backup.
Not only for the live wire but also for the neutral one!
CONTROLLER
DETAILED PIC. SHOWING TERMINAL BOARDS MARKING AND WIRING
CIRCUIT WITH
BACKUP
PUMP WITHOUT
BACKUP
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IR12 CTC controller + fireplace module
REGULUS - PG 500 Compact - www.regulus.eu
Backup of circulation pump of a fireplace.
PG 500 COMPACT BACKUP POWER
SUPPLY W. INTEGRATED BATTERIES
MAINS
230 V, 50 Hz
PUMP WITH
BACKUP
IR 12 SMART
CIRCUIT WITHOUT
BACKUP
Do respect the separation between the circuits with and without backup.
Not only for the live wire but also for the neutral one!
CONTROLLER
DETAILED PIC. SHOWING TERMINAL BOARDS MARKING AND WIRING
CIRCUIT WITH
BACKUP
PUMP WITHOUT
BACKUP
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IR12 CTC controller + PWM module
REGULUS - PG 500 Compact - www.regulus.eu
Backup of a PWM-controlled solar pump.
PG 500 COMPACT BACKUP POWER
SUPPLY W. INTEGRATED BATTERIES
MAINS
230 V, 50 Hz
IR 12 SMART
CIRCUIT WITHOUT
BACKUP
CONTROLLER
PUMP WITH
BACKUP
CIRCUIT WITH
BACKUP
PUMP WITHOUT
BACKUP
Do respect the separation between the circuits with and without backup.
Not only for the live wire but also for the neutral one!
DETAILED PIC. SHOWING TERMINAL BOARDS MARKING AND WIRING
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Fireplace
REGULUS - PG 500 Compact - www.regulus.eu
Backup of a fireplace circulation pump with flue thermostat.
MAINS
230 V, 50 Hz
PG 500 COMPACT BACKUP POWER
SUPPLY W. INTEGRATED BATTERIES
PUMP WITH
BACKUP
FLUE
THERMOSTAT
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STDC, TRS etc. controller
REGULUS - PG 500 Compact - www.regulus.eu
Pump backup
PG 500 COMPACT BACKUP POWER
SUPPLY W. INTEGRATED BATTERIES
MAINS
230 V, 50 Hz
PUMP WITH
BACKUP
STDC, TRS etc.
controller
STDC, TRS etc. controller
Backup of a PWM-controlled pump.
PG 500 COMPACT BACKUP POWER
SUPPLY W. INTEGRATED BATTERIES
MAINS
230 V, 50 Hz
PUMP WITH
BACKUP
STDC, TRS etc.
controller
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REGULUS - PG 500 Compact - www.regulus.eu
2.4 Commissioning
1. Make sure the power grid voltage corresponds to the voltage the UPS is designed for.
2. Plug the power supply cord into a wall socket. WARNING - from the moment on the batteries are being
charged.
3. Connect your pump or another load by plugging its cable into the socket of PG 500 Compact. It is
necessary to stick to a TN-S system (three-wire system, i.e. live wire is black, neutral wire is pale blue and
protective earth wire is yellow-green). No terminal of the unit’s outlet socket shall get connected to any
lead of mains or any other electric wiring. The unit is designed for a closed circuit. If the unit’s outlet got
connected with the mains, there would be a danger of destroying the connected appliances, the unit itself,
and even causing harm to health and property. The only lead that may be connected outside TN-S network
is the protective yellow-green lead.
4. Press ON/OFF push button to turn the UPS on. A signal will sound and all the LEDs will ash once. The
green LED will stay lit, indicating that the unit is running (standard mode, ready for backup).
5. Now you can turn on a pump or another load and test power grid operation without the inverter. The
inverter will turn on automatically at a power supply failure.
Auto test on start
After the unit is switched on, all LED indicators will blink twice. The unit is then ready for operation.
Silent mode
During battery operation, short pressing the ON/OFF button will turn on/o the buzzer alarms.
The Weak battery alarm cannot be switched o.
Auto start
If batteries went discharged and the unit switched o, it will turn on as soon as the power supply is
restored.
Overload
The unit will recognize overload and disconnect the outlet after a while in order to avoid its own
destruction.
Auto switch o
Under low battery voltage, the unit will disconnect the load and switch itself o in order to protect the
battery.
Turning o
By pressing and holding the ON/OFF button for 3 sec. the unit will be switched o.
2.5 Turning on PG Compact with no grid power
The UPS can be turned on without grid power, just from the battery.
Never disconnect 230 V power supply when the UPS is in operation, the earth protection of both PG 500
Compact and the connected load would get interrupted.
Verify that the total earth leakage current does not exceed 2.7 mA when all loads are connected (following
the EN 62040-1 standard)..
2.6 Battery replacement
The unit is equipped with two integrated 12V batteries. They shall be replaced only with batteries of the
same type. Replacement may be performed only by a qualied person. Before starting the replacement,
take o your wrist watch, rings or other metal items. Use tools with insulated handles. Do not throw the
batteries into a re, do not open/damage them. The acid inside is toxic, dangerous to skin and eyes.
Batteries shall be disposed of as dangerous waste.
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3 UNIT CONDITION INDICATION
Power grid operation - NORMAL green LED is lit
Visual indication
Battery operation – BACKUP red LED is lit
Overload – OVERLOAD orange LED is lit
Low battery voltage - signal every second
Audio indication
Battery operation - signal every 8 sec.
Defect / overload - uninterrupted tone
4 POSSIBLE FAULTS, TROUBLESHOOTING
Situation Possible cause Solution
The unit cannot be turned
on
Red LED is lit and the signal
sounds every 8 sec.
Red LED is lit and the signal
sounds every second
The backup time is
significantly reduced.
● The unit is disconnected from
grid and overloaded
● The inlet fuse is blown
● Low voltage in power grid
● The unit is defect
● The unit is powerless ● Depending on the battery charge
● Low battery voltage, the unit
will disconnect soon
● Overload
● Batteries have not been fully
charged
● Charging circuit does not work
● Battery lifetime overi
● Connect to power grid and reduce
the load.
● Replace the fuse and reduce the
load. Some of the connected
devices may be short-circuited.
● Check if the power grid voltage
corresponds to the values required.
● Contact service staff.
level and the connected load, the unit
will supply energy.
● Connect grid power supply
and let the batteries fully charge.
Take appropriate measures on the
connected system if necessary.
● Disconnect excess load.
● Leave the unit connected to power
grid for at least 24 hours, preferably 48.
● Contact service staff.
● Contact service staff.
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5 TECHNICAL DATA
PG Compact Backup Power Supply
Model PG 500 Compact
Voltage/frequency 230 V
Input
Output
Others
Voltage/frequency 170 - 260 V / 50 Hz
Fuse 250 V / 6 A
Inverter power output 600 W
Nominal voltage 230 V
Voltage tolerance (backup mode) 195 - 255 V
Frequency 50 Hz
Frequency tolerance (backup mode) ± 1 Hz
Waveform (backup mode) modied sine-wave
Dimensions (LxWxH) 335 x 125 x 195 mm
Weight 11 kg incl. batteries
Ambient working temperature 0 - 40 °C
Ambient relative humidity 0 - 90 %, non condensing
Noise level quiet operation (no fan)
Battery
Type lead battery for UPS
battery nominal voltage 12 V
Technical
data
number 2
battery capacity 18 Ah (2 x 9 Ah)
max. discharge current 3 A
Backup period with recommended battery
Model PG500 Compact
Small
load
Higher
load
output load power consump. (230 V) 20 W
backup period 5 h
output load power consump. (230 V) 45 W
backup period 3 h 30 min
6 MAINTENANCE
PG 500 Compact does not require any special maintenance. Disconnect it from the mains before
cleaning. If needed, wipe its surface with a wet cloth without detergent. Do not use a spray for cleaning.
After cleaning re-connect the unit to the mains.
Cleaning inside the unit may be performed by a qualied person only.
©2018 We reserve the right to errors, changes and improvements without prior notice.
REGULUS spol. s r.o.
E-mail: sales@regulus.eu
Web: www.regulus.eu
v1.2-12/2018
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