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Operation Manual
3. PACKAGE CONTENTS
• Uninterruptible power supply – 1 pc
• Operation Manual – 1 pc
• Warranty card – 1 pc
4. TECHNICAL DESCRIPTION
Operating principle
• This device is designed to operate with lead-acid maintenance-free 12 V AGM type batteries and
belong to line-interactive uninterrupted power supply of continuous action with a long backup time.
The principle of operation is based on the conversion of DC current from external batteries into pure
sinewave AC current. The main purpose is to power household and industrial equipment critical to
the form of the input current (boiler equipment, automation systems, etc.).
• The device is equipped with an automatic voltage regulator (AVR), which allows you to ensure the
correct power supply of the load when the mains voltage increases/decreases without switching to
battery operation mode.
• The "autostart" function ensures automatic switching on after power supply. If the input voltage
after the power supply exceeds the limits of 160 V - 265 V, "autostart" is not activated, protection
against low or high voltage is activated.
Recommendations for choosing batteries
• Select the capacity of the battery depending on the power of the connected load and for the
required power reserve time, see tables 1 and 2 below. Based on the selected capacity, select the
specific battery.
• The minimum recommended battery capacity is 50Ah for the 500VA model and 100Ah for the
1000VA model.
• Battery storage conditions must meet the requirements of the battery manufacturer.
Notes:
• When using a battery of two or more units, they must be of the same type and capacity (if the
batteries have different capacities, they will have different internal resistance, as a result of which
the charge level will be different).
Battery
capacity
12 V/50 А · h
12 V/75 А · h
12 V/100 А · h
Battery
Load 100 W
capacity
12 V/100 А · h
12 V/150 А · h
12 V/200 А · h
Load 100 W
3 h
5 h
7 h
Load 200 W
7 h
3 h
12 h
5 h
15 h
7 h
RESERVE-500\ 1000
Table 1. Selection of batteries for the RESERVE-500
Load 200 W
1,5 h
2,3 h
3 h
Table 2. Selection of batteries for the RESERVE-1000
Load 300 W
Load 400 W
2 h
1,5 h
3 h
2 h
4,5 h
3 h
Technical support: www.real-el.com
ENG
Load 300 W
0,7 h
1,5 h
2 h
Load 500 W
Load 600 W
1 h
0,7 h
1,5 h
1 h
2,5 h
2 h
3
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