Minimum Secondary Supply Temperature Protection

This function ensures a minimum system supply temperature during un-occupied periods when there is no heat demand.

If the following conditions are true:

then the SST control will be released. In this case, the setpoint will be the value of the parameter SST-02.

Table 13.   Parameter List

Description

Value Range

Default Value

Unit

SST-02: minimum supply temperature

0...90

10

°C

OAT-01: low limit frost protection

-50...50

2

°C