Samson TROVIS 5474 Mounting And Operating Instructions page 89

Co5: General functions
Fb Function
00 Outdoor sensor
01 Delayed
outdoor tempera-
ture adaptation
02 Return flow sensor
total RüFg
03 Type of character-
istic
04 Configuration and
parameterization
protection
05 Automatic summer
time/winter time
changeover
06 Summer mode
07 Releasing sequence ON 4 to 7 Co5 -> Fb07 = ON: Temperature t
08 –
WE Anl Function block parameter / Range of values (default setting)
ON 1 to 7 Co5 -> Fb00 = ON:
option: FUEHL: Sensor at input AF
Function block parameter:
Frost protection limit / –30 to 20 °C (3 °C)
Co5 -> Fb00 = OFF: Input as BE;
option: Lead OFF (FoAUS)
OFF 1 to 7 Co5 -> Fb01 = ON: Delay active; option:
Ab:
AUFAB: Delay on decreasing and rising temperature
Function block parameter:
Delay / 1 to 6 °C/h (3 °C/h)
ON 1 to 7 Co5 -> Fb02 = ON: Differential temperature control using
variable weighting factors;
Function block parameters:
Intended temperature difference / 0 to 90 °C (10 °C)
Kp factor for differential temperature control / 0 to 1 (0.5)
ON 1 to 7 Co5 -> Fb03 = ON: Weather-compensated control;
option: 1: 4-point characteristic
Co5 -> Fb03 = OFF: Fixed set point control
OFF 1 to 7 Co5 -> Fb04 = ON: Locking the configuration and
parameterization levels, except for Co5 -> Fb 04
Note: Can only be changed after entering the key number.
ON 1 to 7 Co5 -> Fb05 = ON: Automatic summer time/winter time
changeover
ON 1 to 7 Co5 -> Fb06 = ON: Summer mode active
Function block parameters:
START summer mode / 01.01 to 31.12 (01.06)
STOP summer mode / 01.01 to 31.12 (30.09)
Outdoor temperature limit / 0 to 40 °C (18 °C)
Co5 -> Fb07 = OFF: Unrestricted sequence
– For internal purposes only!
0-10: 0 to 10 V outdoor temperature at input AE2
Frost protection BE (FroSt)
Delay on decreasing temperature
2: Gradient characteristic
Appendix
for releasing sequence
A
EB 5474 EN
89