PSU24-10 Intelligent PSU
PSU24-10A Intelligent Network PSU
Installation and Operation Manual
Page 1
1 Introduction
PSU24-10 Intelligent Power Supply Unit (PSU) and PSU24-10A Intelligent Network
Power Supply Unit (PSU) can receive mains power ranged 110VAC ～230VAC,
50/60Hz. They are built in with maintenance-free sealed lead acid batteries as standby
power. They are able to output 26.5VDC/10Apower with the following features:
Seamless transfer between main and standby power supply.
Battery re-chargeable with temperature compensation. Charging current is 2A.
Maximum battery capacity is 24Ah sealed lead acid battery.
Battery over-discharge protection.
Indication of output voltage, output current, mains fault, battery fault, output fault
and charger fault.
Sound indication (beep sound) on fault condition, which is silenceable.
Self-test on audible and visual indications.
In addition to the above features, PSU24-10A is also able to remotely connect with fire
alarm control panel. It can be programmedwith an address using handheldprogrammer.
When it’s connected to the loop of the control panel, it will be able to report fault with
mains supply, battery or output to the panel through special protocol.
2 Technical Specifications
Power Supply:
Mains Power: 110VAC～230VAC, 50/60Hz
Battery: 24VDC /24Ah sealed lead battery
Rated Output Capacity at Mains Power: 26.5VDC, 10A
Rated Output Capacity at Battery Power: 21VDC～26.5VDC, 10A
Operating Environment:
Temperature: 0℃～+40℃
Relative humidity≤95%, non condensing
Dimension: 520mm×350mm×156mm
3 Construction, Installation and Wiring
3.1 Appearance
The appearance the PSU is shown in Fig.1.
