Samson TROVIS 5500 Mounting And Operating Instructions page 139

F Function
14 Thermal
disinfection
15 SLP depending
on return flow
temperature
16 Priority for
external
demand
19 Switchover
20 Return flow
control
21 Speed
reduction of
charging pump
based on
charging
progress
F Function block number, WE Default setting, Anl System code number
EB 5573-1 EN
Comments
WE System Function block parameters: value range (default setting)
0 All* CO4 > F14 - 1: Thermal disinfection
(only with CO4 > F01 - 1)
Function block parameters >
Day of week: Monday, Tuesday, ..., daily (Wednesday)
Time: Adjustable as required (00:00 – 04:00)
Disinfection temperature: 60.0 to 90.0 °C (70.0 °C)
Duration: 0 to 255 min (0 min)
Active when BI = ON, OFF (ON)
0 CO4 > F15 - 1: storage tank charging pump not ON unless
1.5, 1.6,
2.0, 2.1,
return flow hot (only with CO1 > F03 - 1 for systems Anl 1.5,
2.3, 4.1,
1.6, 2.0, 2.1, 2.3, 4.1; only with CO4 > F03 - 1 for systems
11.1, 11.2
Anl 11.1 and 11.2)
0 1.5, 1.6, CO4 > F16 - 1: Priority for external demand
2.x, 4.1
Note: a high external demand causes excessive charging tem-
peratures in DHW circuits without control valve
0 CO4 > F19 - 1: Switchover SF1, SF2 according to a time
1.1–1.3,
1.5, 1.6,
schedule. SF1 applies for day mode and SF2 for night mode
2.x, 4.1,
(only with CO4 > F02 - 1)
4.5, 11.1,
11.2
0 11.1 CO4 > F20 - 1: DHW circuit additionally controlled by a
globe valve
0 1.1–1.3, CO4 > F21 - 1: Activation of speed reduction and storage
1.5, 1.6,
tank sensor SF2
2.x, 4.1,
Function block parameters:
11.1, 11.2
Start speed reduction: 5.0 to 90.0 °C (40.0 °C)
Stop speed reduction: 5.0 to 90.0 °C (50.0 °C)
Min. speed signal: 0 to 10 V (2 V)
Appendix
139