Controller pack
Service Manual
104
General functions
SMGB0066 rev.0 - 12/2009
4.9.3. Pump and Valve Seizure Protection
function
•
The System Controller has an anti-seize protection function for valves and pumps which helps to prevent these
components sticking during long periods of inactivity. Every 24hrs the components which have not been used will be run
for a short period.
4.9.4. Screed function (drying for new floors)
function
•
The screed function is used exclusively for the required drying of newly applied screed on floor heating systems. The
process is based on EN 1264 part 4. When the screed function is activated :
The flow temperature is kept constant at 25°C for 3 days,
1.
Heating is set at the maximum supply setpoint (P6) for 4 days
2.
(water temperature is always limited to 55°C)
On completion of the screed function, the controller returns to normal operation.
To Activate
•
The function is activated by setting parameter P25 to 1. The screed function can be deactivated at any time by setting
the parameter P25 to 0.
diagram
•
[ºC]
eg Maximum temperature setting = 40 ºC
[Days]
Parameter Settings
•
P25 Start Screed-Drying Function (default 0)
note
If there is a power interruption, the screed function will continue when the power is restored.
-
