HydroTherm HeatNet KN -6 User Information page 50

WIRING CONNECTIONS HeatNet Control V3 2.x
Figure 30 Heating Methods 2 and 4: AA-High Fire and High/Low, master or member boiler
Heating Mode 4: High Fire
Close this contact to run boiler at Highfire.
T1 T2
Heating Mode 2: Stage Control Inputs.
T1 or T2 Closed: Lowfire
T1 & T2 closed: Highfire
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