22 Installation Guide
—
Table 1 Sensor head locations
Location Benefits Issues
A
(Radiator return)
Good oil flow
Low operating temperature
Easily accessible
Connection flange rarely present
B
(Drain valve)
Low operating temperature
Easily accessible
Always available
Low oil flow may increase reaction time
Sludge could accumulate at this location
C
(Top tank [fill
valve])
Good oil flow from thermal
convection
Temperature may exceed 100 °C (212 °F)
Difficult to access
Installation requires working at height
Power down of transformer during installation mandatory
NOT TO BE USED FOR INSTALLATION ON ENERGIZED
TRANSFORMERS
D
(Top of radiator)
Good oil flow Temperature may exceed 100 °C (212 °F)
Difficult to access
Installation requires working at height
Connection flange rarely present
Power down of transformer during installation mandatory
NOT TO BE USED FOR INSTALLATION ON ENERGIZED
TRANSFORMERS
Clearance requirements
First, you need to make sure that you have enough room to install the head. Below are the clearance
requirements for the unit.
—
Figure 14 CoreSense M10 sensor head dimensions (in millimeters)
(392.9)
ThrEADED
1 1/2″ NPT
(158.1)
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