Ren And Sen Numbers; Zone Cable Type; Equipment Electrical Rating; Fuses - ADT ACCORD XPC Installation Manual

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:
• Construction: Glass cartridge.
• Dimensions:
• Conformance: BS EN 60127-2 and IEC127-2.
There are three on board fuses:
• F1 Battery:
• F2 Speaker/Bell:
• F3 Keypad/Aux power:

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.
Accord xpC - July, 2001
200 mA anti-surge (T).
20 mm length, 5 mm diameter.
1 A, 20 mm, Anti-surge.
500 mA, 20 mm, Anti-surge.
500 mA, 20 mm, Anti-surge.
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