55
LP- 205 REV. 9.2.14
Parameter set on 0 = There will be no extra boiler on the Cascade Master.
Parameter greater than 0 = Percentage of the cascade output that will turn on the auxiliary boiler.
Table 13
*Central Heating Curve Function
The central heating demand is detected when the room thermostat closes. When an outside sensor is also connected, the supply
temperature will depend on the factory default central heating curve, which is sufficient for most applications.
To set your custom heat curve, you will have to set the following parameters. Use the graphs in Figure 28 to plot the curve.
1. Minimum outside design temperature: Function 8.
2. Design supply water temperature at the minimum design outside temperature: Function 9.
3. Maximum outside design temperature: Function 10.
4. Design supply water temperature at the maximum outside temperature: Function 11.
NOTE: The user can adjust the heat curve down by adjusting the central heating temperature to a lower setting.
Figure 28
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