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Accord xpC - July, 2001
Ren and Sen Numbers
• The Ren of the Accord xpC is one (1).
• The Sen of the Accord xpC is 0.3.
• Nominal series resistance is 90 milli-ohms
• Nominal insertion loss is 0.1 dB.
Note: Difficulties may be experienced when making calls from other apparatus if the
total sen value approaches one or the total series resistance 50 ohms.
Zone Cable Type
Zone and detector cable should be standard alarm cable.
Equipment Electrical Rating
The control equipment is designed to operate on a UK mains supply of 230 Volts a.c.
(230 V ±10%) at a frequency of 50 Hz. It is not suitable for other types of supply. The
maximum current consumption in normal use is 80 mA.
Fuses
The mains fuse within the cabinet is rated at 200 mA.
Example: The mains supply must be disconnected before opening the cabinet and
changing the fuse. Replace the mains fuse with the same type and rating,
that is:
• Rating: 200 mA anti-surge (T).
• Construction: Glass cartridge.
• Dimensions: 20 mm length, 5 mm diameter.
• Conformance: BS EN 60127-2 and IEC127-2.
There are three on board fuses:
• F1 Battery: 1 A, 20 mm, Anti-surge.
• F2 Speaker/Bell: 500 mA, 20 mm, Anti-surge.
• F3 Keypad/Aux power: 500 mA, 20 mm, Anti-surge.
Batteries
The battery used with the control panel must be a 12 V sealed lead-acid rechargeable
battery of up to 7.2 Amp-hour capacity. The battery must be positioned on the battery
shelf. The battery leads must be connected to the battery observing terminal polarity and
not left hanging near the mains terminal block.
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