Reversing Flow & Return Temperature Sensors; Reversing The Boiler Sensor Kf And Automatic Air Vent - Watts AERCO Modulex EXT Series Technical Application Manual

Modulex EXT Series Piping
CONNECTING SUPPLY & RETURN PIPING
5.4.5. Reversing Flow & Return Temperature Sensors
One sensor is located on top of the lower Return pipe railing, while the other one is located under the
upper Flow pipe railing. Move these two sensors to other end of the Flow/Return pipes.
Figure 11: Reversing Flow and Return Temperature Sensors

5.4.6. Reversing the Boiler Sensor KF and Automatic Air Vent

Reverse the positions of the Boiler Sensor KF and Automatic Air Vent located on the top Flow pipe.
Figure 12: Reversing Boiler Sensor KF with Automatic Air Vent
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10.07.2010
Application Guide
C.H. Flow Sensor is installed the same as
Return Sensor, except under Return pipe.
Sensor Cable Plugged
into Sensor
AERCO International, Inc. • 100 Oritani Dr.
Phone: 800-526-0288
Sensor cable unplugged
showing sensor, sensor
bracket, and screw
onto chassis/pipe.
Blauvelt, NY 10913 TAG-0099