Recirculation Instructions - Bradley EFX 25 Instrucciones Para La Instalacion Y Mantenimiento

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Bradley EFX 25 Thermostatic Mixing Valve with Optional Cabinet
Model S19-2100 Series
Recirculation Diagram

Recirculation Instructions

Note: Recirculating the water in the system provides constant regulation of the water temperature. Flush the
supply lines thoroughly after completing installation. Close off all fixtures and label them as not available
for use during the recirculating process.
1. Turn off the recirculating pump and turn on the water supply (a water flow rate of 10-15 GPM is
required).
2. Let the water run through the system until a consistent temperature is obtained. If you do not obtain the
required temperature, refer to procedure #6 on page 3 for temperature readjustment.
3. As soon as the water reaches the proper temperature, turn on the recirculating pump (make certain the
proper system temperature has been achieved before proceeding).
4. Check the water temperature at the return pump. If the temperature exceeds the appropriate level by
2°F, adjust the temperature high-limit switch (this will turn off the pump). Wait until the return water
temperature is 5°F below the appropriate level and adjust the low-limit switch (this will turn the pump
back on).
5. Turn the balancing valve until it is completely open.
6. Turn off all fixtures and make sure there is no water running through the system (the cold inlet pipe
should feel warm to the touch).
7. Let the system run for thirty minutes or longer without water. If, after thirty minutes, the water temperature
increases, you may readjust the temperature by slowly closing the balancing valve until the appropriate
temperature is reached.
6
4/13/10
Installation and Maintenance Instructions
Bradley Corporation • 215-1290 Rev. L; EN 10-09-001

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Este manual también es adecuado para:

S19-2100

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