BEFORE USE ....
Thank you for choosing M-System. Before use, please check
contents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact M-System’s Sales Office or representatives.
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PACKAGE INCLUDES:
Signal conditioner
(body + base CT protector) ...................................(1)
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MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
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INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.
POINTS OF CAUTION
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CONFORMITY WITH EU DIRECTIVES
• This equipment is suitable for Pollution Degree 2 and In-
stallation Category II (transient voltage 2500V). Rein-
forced insulation (signal input to output to power input:
300V) is maintained. Prior to installation, check that the
insulation class of this unit satisfies the system require-
ments.
• Altitude up to 2000 meters.
• The equipment must be mounted inside a panel.
• The equipment must be installed such that appropriate
clearance and creepage distances are maintained to con-
form to CE requirements. Failure to observe these re-
quirements may invalidate the CE conformance.
• The actual installation environments such as panel
configurations, connected devices, connected wires, may
affect the protection level of this unit when it is inte-
grated in a panel system. The user may have to review
the CE requirements in regard to the whole system and
employ additional protective measures* to ensure the
CE conformity.
* For example, installation of noise filters and clamp fil-
ters for the power source, input and output connected
to the unit, etc.
• Install lightning surge protectors for those wires connect-
ed to remote locations.
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POWER INPUT RATING & OPERATIONAL RANGE
• Locate the power input rating marked on the product and
confirm its operational range as indicated below:
AC power
: Rating ±10%, 50/60 ±2 Hz, approx. 2VA
DC power
: Rating ±10%, approx. 2W
or 85 – 150V, approx. 2W for 110V rating
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GENERAL PRECAUTIONS
• Before you remove the unit from its base socket or mount
it, turn off the power supply and input signal for safety.
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CT PROTECTOR
• Temperature of the CT Protector may rise if the signal
conditioner body is left unplugged from the base socket.
Be careful not to get burned when you need to touch it.
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ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the
air, install the unit inside proper housing with sufficient
ventilation.
• Do not install the unit where it is subjected to continuous
vibration. Do not subject the unit to physical impact.
• Environmental temperature must be within -5 to +60°C
(23 to 140°F) with relative humidity within 30 to 90% RH
in order to ensure adequate life span and operation.
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WIRING
• Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).
• Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.
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AND ....
• The unit is designed to function as soon as power is sup-
plied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.
COMPONENT IDENTIFICATION
Body
Base Socket
Connection Diagram
Front Cover
Specifications
CT Protector
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HOW TO OPEN THE FRONT COVER:
Position your finger on the hook at the top of front cover
and pull.
The shape of base socket may be different
for some models.
CT TRANSMITTER
(inverter use)
MODEL
CTH
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
EM-1909 Rev.3 P. 1 / 3
INSTRUCTION MANUAL
