Troubleshooting Guide -
Tranquility
®
Digital (DXM2) Packaged Units
Rev.: 01/15/14
58
Geothermal Heat Pump Systems
MODULATING VALVE
CONFIGURATION
DEG
HEATING DELTA T 8
COOLING DELTA T 15
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3.5 VALVE CONFIGURATION
Confi gure temperature differentials at the thermostat for
vFlow™ units with a motorized modulating valve.
Adjust the Valve Confi guration settings using the up/down
arrow buttons. Press the center button to select each item.
• Heating Delta T (default stored in control) –
valid range: 4 to 12ºF (in 1ºF increments)
• Cooling Delta T (default stored in control) –
valid range: 9 to 20ºF (in 1ºF increments)
NOTE 1: Minimum and Maximum degree values are shown
only when the control is confi gured with the appropriate values.
NOTE 2: Refer to section 3.6.3 for multi-unit confi guration
instructions.
VARIABLE SPD INTERNAL
PUMP CONFIGURATION
PUMP CONTROL FIXED
HEATING STAGE 1 60%
COOLING STAGE 2 75%
COOLING STAGE 1 50%
COOLING STAGE 2 70%
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ATC32U01 Thermostat Screens and Set Up
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