Summary of Contents for Amalgen 7021 Series
- Page 1 Amalgen Model 7021-7025 DC Backup UPS Manual Revision 1 7021 and 7025 Model Series Amalgen Technologies Pty. Ltd. 43 Anderson road Mortdale NSW 2223 Australia 18/10/06 7021 and 7025_manual1.doc Page 1 of 7...
- Page 2 The Amalgen 7021 and 7025 series DC backup unit is an un-interruptable power supply, designed for situations where only 12VDC is required. The 7021 and 7025 series is efficient and simple, allowing the equipment to be protected in a cost-effective way, and with high reliability. They provide the following functions: •...
- Page 3 Most equipment uses DC power, even if it is connected to the AC mains. Certain types of equipment used in process control, use only 12VDC, which is usually supplied by the AC main via a transformer. The 7021 and 7025 series allows users of this type of equipment to have “no-break” power no matter what the condition of the AC main.
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Page 4: Technical Description
This is fairly indicative of commercially available sealed lead acid batteries. Figure 3.1 Technical description Model 7021 and 7025 is a 12volt (nominal) DC power-supply with battery backup. An AC rectifier supplies power to the load and doubles as a battery charger. There are 3 modes of operation: •... - Page 5 Lead acid control unit battery (fused) Figure 4 series Block diagram 7021 and 7025 Monitoring Analog monitoring The status of the unit is indicated on the front panel, and remotely, via voltage-free contacts. The following table shows the details. CONDITION...
- Page 6 Do not allow battery terminals to connect in a short circuit.. There is no routine maintenance required on the 7021 and 7025 series DC backup units. However, it is recommended that the battery capacity be verified yearly with a non-critical load, to ensure adequate performance during power outages.
- Page 7 Charger OK (AC on and charger OK) Remote alarm Battery voltage low when battery is 10VDC Stays ON until cut-off (9VDC) is reached (contacts rated 50VDC/1A, 120VAC/0.5A) EMC Compliance Radiated AS1044:1995 (amdts 1,2) C-tick approved 18/10/06 7021 and 7025_manual1.doc Page 7 of 7...
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