Samson TROVIS 5500 - Page 139

EB 5573-1 EN 139
Appendix
F Function WE System
Comments
Function block parameters: value range (default setting)
14 Thermal
disinfection
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)
15 SLP depending
on return ow
temperature
0
1.5, 1.6,
2.0, 2.1,
2.3, 4.1,
11.1, 11.2
CO4 > F15 - 1: storage tank charging pump not ON unless
return ow hot (only with CO1 > F03 - 1 for systems Anl 1.5,
1.6, 2.0, 2.1, 2.3, 4.1; only with CO4 > F03 - 1 for systems
Anl 11.1 and 11.2)
16 Priority for
external
demand
0
1.5, 1.6,
2.x, 4.1
CO4 > F16 - 1: Priority for external demand
Note: a high external demand causes excessive charging tem-
peratures in DHW circuits without control valve
19 Switchover 0
1.1–1.3,
1.5, 1.6,
2.x, 4.1,
4.5, 11.1,
11.2
CO4 > F19 - 1: Switchover SF1, SF2 according to a time
schedule. SF1 applies for day mode and SF2 for night mode
(only with CO4 > F02 - 1)
20 Return ow
control
0
11.1
CO4 > F20 - 1: DHW circuit additionally controlled by a
globe valve
21 Speed
reduction of
charging pump
based on
charging
progress
0
1.1–1.3,
1.5, 1.6,
2.x, 4.1,
11.1, 11.2
CO4 > F21 - 1: Activation of speed reduction and storage
tank sensor SF2
Function block parameters:
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)
F Function block number, WE Default setting, Anl System code number