MA-033 Rev. 14.0, 12-Nov-18
Hydran* 201i Instruction Manual
Location #C: Main Tank
Some transformers are equipped with a valve that is mounted towards the
middle portion of the transformer main tank. This location offers good oil
circulation and is easily accessible for installation and taking oil samples directly
from the Hydran 201Ti.
Location #D: Upper Filling Valve
Most transformers are equipped with an upper filling valve. This location
offers an excellent circulation of oil; but is not easily accessible and may require
an outage to install the Hydran 201Ti.
Location #E: Top of Cooling System
Some transformers may have a valve that is mounted on the pipe that joins
the top tank of the transformer to the top of the cooling system. This location
offers an excellent circulation of oil, but is not easily accessible and may require
an outage to install the Hydran 201Ti.
If these five recommended locations cannot be used, contact
the General Electric Customer Service (contact information can
be found at the bottom of page 2) to help you determine an
acceptable alternative location.
6.2.3 Mounting Location of Hydran 201Ci Controllers
The following points pertain to all H201Ci Controllers (Hydran 201Ci-C and Hydran
201Ci-1):
1. All H201Ci Controllers are equipped with Type NEMA 4X enclosures and can thus
be installed outdoor.
2. The H201Ci Controllers must be mounted on a vibration-free structure. If
vibrations are present, use vibration-absorbing rubber pads (see Figure 2-5),
which can be purchased from General Electric.
3. The enclosure must be placed at eye level.
4. Allow enough space to open the door completely.
5. Allow enough space to access easily the cable fittings under the enclosure.
6. Good grounding of the enclosure and its supporting structure is essential to
protect the equipment against electromagnetic and radiofrequency interference.
7. Install the enclosure as far as possible from circuit breakers or any other strong
source of radiofrequency noises. The enclosure can be installed up to 1,200m
(4,000ft) from the Hydran 201Ti. The total length of supervisory links
(communication cable between the H201Ci Controller and its H201Ti’s) must not
exceed 1,200m (4,000ft) per H201Ci Controller.
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