AMPY 5188A Посібник користувача - Сторінка 2
Переглянути онлайн або завантажити pdf Посібник користувача для Вимірювальні прилади AMPY 5188A. AMPY 5188A 8 сторінок. Cardmeter
Cardmeter User Manual ver 008 2016-02-24.doc
1.2.2
Reverse energy flow detection – to prevent attempts to operate the meter in
reverse.
1.2.3
EMC Fraud – the meter is protected against external electrical influences
which may be used to attempt to reset the system controller. If detected the
meter indicates LOCK OUT and will need to be reset using the meterman
card.
1.2.4
Third Party Card Supply – The supply of cards is carefully controlled to
ensure that programmed cards are difficult and uneconomical to obtain
other than for legitimate users. The meter contains a card counter, which
should be checked to ensure the meter is not receiving more credit than the
landlord has supplied to the tenant.
1.2.5
Terminal Seals – all connections upstream of the meter should be
appropriately sealed using wire seals and these should be regularly
inspected for tampering.
1.3
Connection
1.3.1
The CARDmeter is able to support a load of up to 100A from the main
terminals.
PAGE 3 of 16
Cardmeter User Manual ver 008 2016-02-24.doc
2
CONNECTION
2.1
Cable Connection
2.1.1
The meter is designed to be installed into the main supply meter tails,
upstream of the distribution board. If installed on sub-circuits (for instance
for air-conditioning units), then it is recommended that cable with a
sufficient cross-section is used to ensure a secure connection.
2.1.2
The cables to and from the meter must be protected by a suitable protective
device upstream.
2.1.3
Dual-rate meters have a separate terminal (Terminal 1), which when
connected to neutral using a time-switch will select the alternative charging
rate.
2.1.4
The meter has ingress protection to level IP20, that is Protection against
fingers or other object not greater than 80mm in length or less than 12.5mm
in diameter.
PAGE 4 of 16