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Operation
Revision: 1 – Nov 2019 Doc No: OMMB00301
6.1.1 Diverting applications
(controls outlet temp from load source)
In diverting applications temperature is sensed at port A, which
remains open to port B (bypass) until the fluid temperature reaches
a point 3-6°C (5-10°F) below the nominal setting, when the valve
will start to move, progressively closing port B and opening port C
(the cooler connection). If the temperature continues to rise, port B
will be fully closed 4 to 6°C (8-10°F) above the set temperature.
6.1.2 Mixing applications
(controls inlet temp to load source)
In mixing applications the hot supply is connected to port B, the cold
supply to port C, and the mixed flow appears, via the temperature
sensor, at port A. Because of the position of the controlling wax ‘pill’,
in mixing applications the controlled temperature may be 2-3°C
above the nominal.
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