Troubleshooting Guide -
Tranquility
®
Digital (DXM2) Packaged Units
Rev.: 01/15/14
12
Geothermal Heat Pump Systems
Removing Powerhead on ¾-Inch Modulating Valve
A-C
On 3/4” valve, be sure that dip switch
is moved up or toward center of
valve and valve closes.
For Proper Valve-to-Head Alignment
Before removing power head, go
to manual mode and open valve to
100%. Stay on that screen and with
the valve powered open, remove
power head. Verify or rotate physical
valve to the
position.
Open
Closed
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