Building Technologies 74 319 0617 0 a 17.04.2008 36/180
en
99 Operating mode
pump M1
1
(0 / 1)
.........................
0 = circulating pump without
shutdown in the case of
protective boiler startup
1 = circulating pump with shut-
down in the case of protec-
tive boiler startup
Block "Setpoint of return temperature limitation"
101 Limitation of return
temperature
Constant value
--- °C
(--- / 0…140)
...................°C
Setting --- = function disabled
Plant types 1, 4, 5: Minimum
limitation
Plant types 3, 6: Maximum limi-
tation
Settings for plant type 3
112 Maximum limitation
of return tempera-
ture, slope
0.7
(0.0…4.0)
.........................
113 Maximum limitation
of return tempera-
ture, start of shifting
limitation
10 °C
(−50…+50)
...................°C
TRt
-TO
2541D01
OpL 101
OpL 112
OpL 113
OpL = Operating line
TO = Outside temperature
TRt = Returntemperature
114 Maximum limitation
of return tempera-
ture, integral action
time
30 min
(0…60)
................
min
For maximum limitation of return
temperature and for DRT limita-
tion
115 Maximum limitation
of differential return
temperature
--.- °C
(--.- / 0.5…50)
...................°C
Differential temperature (DRT):
Difference between primary
return and secondary return
temperature.
Setting --.- = function disabled
116 Minimum limitation
of stroke
(Y
min
-function)
6 min
(-- / 1…20)
................
min
Stroke limitation of regulating
unit in the primary return
Setting -- = function disabled
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