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WARNING: If working at a height greater than 4 feet (1.2 metres) or at a
height greater than that stipulated by national or site regulatory
requirements, it is the responsibility of the installer to ensure that planned
work complies with those requirements.
WARNING: The user shall ensure that any third-party equipment, such as
an approved platform, scaffold or lift is suitable and safe before
commencing work. Ladders or improvised platforms do not meet GE service
engineer requirements.
Hot surfaces present on oil pipes and risk of contact with mineral oil. Use
suitable PPE.
WARNING: Once installed, this product may have more than one source of
electrical supply. Disconnect all supplies at their source before accessing
the cabinet for servicing. Follow the site lockout-tagout (LOTO) procedure.
WARNING: Disconnection from the supply is achieved through the
external circuit breaker or switch.
WARNING: Ensure all power sources, including relays, are de-energised as
stipulated by lockout-tagout (LOTO) requirements before performing any
maintenance work inside the product.
WARNING: The product is operated with the door shut under normal use.
The door shall be kept locked and should only be opened for service access
by suitably qualified and authorised service personnel. During service
access, hazardous voltages are accessible.
Only GE-trained and certified personnel may commission GE Kelman
products. Commissioning tasks include making any connections and/or
performing any work within the enclosure, or performing tasks such as
purging the oil circuit between the transformer and the product, and/or all
first start-up procedures relating to equipment or firmware/software.
The product provides IP55 water spray protection. It is possible for a water
deluge system to exceed IP55 thresholds depending on the location,
pressure and direction of the water jets. Should customers require testing a
water deluge system in the area in which the product is installed, GE
recommends powering down the product and draping it with a suitable
waterproof covering.
MA-005 - Minitrans Installation Manual - Rev 4.5
13-Aug-20
Page 9 of 86
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