Samson TROVIS 5474 Mounting And Operating Instructions page 88

Appendix
Co4: DHW heating
Fb Function
00 DHW demand active ON 1 to 7 Co4 -> Fb00 = ON: DHW set point during DHW demand
01 Reserved
02 DHW forced
charging
03 Storage tank sensor
SF1
04 Storage tank sensor
SF2
05 Reserved
06 DHW priority HK2
07 DHW priority HK3
08 Thermal disinfection
09 Reserved
10 Adopt vacations and
public holidays for
DHW heating
Fb = Function block, WE = Default setting
88
EB 5474 EN
WE Anl Function block parameter / Range of values (default setting)
Co4 -> Fb00 = OFF, only with Co5 -> Fb09 = OFF: External
change in lag/lead sequence
OFF 1 to 7 Co4 -> Fb02 = ON: Monitoring VFg, KF1, KF2 for maximum
limit f. DHW forced charging
Function block parameter:
Maximum limit f. DHW forced charging / 20 to 120 °C (80 °C)
OFF 1 to 3 Co4 -> Fb03 = ON: Storage tank sensor SF1
*
Co4 -> Fb03 = OFF, only with CO4 -> Fb04 = OFF: Storage
tank thermostat
OFF 1 to 3 Co4 -> Fb04 = ON, only with Co4 -> Fb03 = OFF: Storage
* tank sensor SF2
Co4 -> Fb04 = OFF: Only storage tank sensor SF1
OFF 1 to 3 Co4 -> Fb06 = ON: HK2 in reduced operation during
* storage tank charging
OFF 1 to 3 Co4 -> Fb07 = ON: Pump Pu3 switched off during storage
* tank charging
OFF 1 to 3 Co4 -> Fb08 = ON: Only if Co3 -> Fb03 = ON or
* Co4 -> Fb03 = ON and Co4 -> Fb04 = ON
Function block parameters:
Day of week / 0 = daily, 1 = Mon, 2 = Tue, ..., 7 = Sun (3)
Disinfection temperature / 50 to 80 °C (70 °C)
Start time / 0:00 to 23:59 h (0:00 h)
Stop time / 0:00 to 23:59 h (4:00 h)
OFF 1 to 3 Co4 -> Fb10 = ON: Adopt vacations and public holidays
* from Co2