c.To change the call for heat source that the circulator is activated from (see Figures 8 - 13 for examples), press the “▲” and “▼” keys until the following screen is displayed:
Press “ENTER (RESET)” to toggle the circulator source between ON TT, ON ZR, and ON BOTH.
4.Press “CANCEL (BACK)” to exit.
D.Changing Domestic Hot Water Priority (DHWP) Setting
The Domestic Hot Water Priority function temporarily overrides the HeatManager Dynamic Temperature Reset functionality when there is a call for domestic hot water. This ensures that hot water will be produced when needed. It also temporarily turns off either the C1 or ZC outputs (depending on the DHWP and circulator source settings) to give priority to the DHWP zone when it calls for heat. See Figures
1.In any mode other than an OPTION
2.Press the “▲” and “▼” keys until the following screen is displayed:
3.Press “ENTER (RESET)”. The following screen will be displayed:
4.Press the “▲” and “▼” keys until the following screen is displayed:
5.Press “ENTER (RESET)” to toggle between OFF, ON TT, and ON ZR settings. See wiring diagrams in Figures 11 thru 13 for proper wiring with DHWP on.
6.Press “CANCEL (BACK)” to exit.
E. Selecting Fahrenheit or Celsius Temperature Display
1.In any mode other than an OPTION
2.Press the “▲” and “▼” keys until the following screen is displayed:
3.Press “ENTER (RESET).” The following screen will be displayed:
4.Press the “▲” and “▼” keys until the following screen is displayed:
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5.Press “ENTER (RESET)” to toggle between °F and °C.
6.Press “CANCEL (BACK)” to exit.
F.Changing Low Water Cut-Off (LWCO) Setting
The Low Water
1.In any mode other than an OPTION
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