user manual

1.2.1
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1.2 Installation Requirements
Only the persons who have been trained by a certified engineer of the manufacturer are allowed
to carry out the installation work described below.
1.2.1 General
The following places or conditions should be avoided for installation of the instrument.:
(1) Room adjacent to a transformer room
(2) Room adjacent to an elevator
(3) Location near large power-consuming equipment (e.g. electric furnace) or its power source
(4) Location near spark discharge source or high-frequency apparatus
(5) Atmosphere containing gas that may corrode metals
(6) Location exposed to direct sunlight or strong draft
(7) A dusty location
(8) Place subjected to strong vibrations
(9) Sharing of ground line with other electrical equipment
(10) Location near radio or sound wave source
(11) Place near railway
1.2.2 Room Temperature, Humidity and Altitude
(1) Room temperature ..........15 to 30°C (without condensation)
Temperature fluctuation should be less than 5 °C during operation of the instrument and
avoid climate control vents directed at the column.
(2) Humidity .......................... 70% or less (without condensation)
The instrument should be operated in an air-conditioned room.
(3) Altitude ............................ Up to 2,000 m
1.2.3 Line Power Requirement
(1) Single-phase AC 100 V (±10%), 50/60 Hz, 2 kVA (for main unit)
When the supplied power line voltage is 100 V, the instrument works by direct connection.
When the supplied power line voltage is other than 100 V (200 V or others), use a step
down transformer to step the power line voltage down to 100 V.
（Installation of the step down transformer is to be carried out by Hitachi installation
engineers only.）