12 Heating curve
The heating curve test is used to display the DHW temperature for the current
operating status at external temperatures 50°F (+10°C), 32°F (±0°C) and 14°F
(-10°C).
The heating curve displayed here (Fig. 11) is calculated by the controls on the
basis of the values set for design temperature, offset and setpoint room
temperature, and corresponds to the currently active characteristic. To ensure
that there is no shift during commissioning, ensure during commissioning that:
the heating circuit is in "day mode"
(press the "Day" key),
the heating circuit is in "automatic mode"
("WWSD" key).
The heating curve changes when room temperature hook-up is activated.
Displaying the heating curve
Fig. 11 Heating curve test
167 (75)
144 (62)
113 (45)
50 (+10) 32 (0) 14 (-10)
Outdoor temperature in °F (°C)
DHW temperature in °F (°C)
Heating curve
+
Press the "Display" key and "Install" key at the same time to call up the service
level. "AMERICAN" appears as the first main menu.
Turn the dial until "HTG CURVE 01" for heating circuit 1 or "HTG CURVE 2" for
heating circuit 2 (mixed circuit) is displayed.
+
Hold down "Display" and turn the dial. The first display contains the DHW
temperature at 50°F (+10°C), the second at 32°F (±0°C) and the third
at 14°F (-10°C).
Release the "Display" key to return to the next higher level.
Logamatic 2107 controls - We reserve the right to make any changes due to technical modifications.
49
12
Heating curve
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