Steca TR 0704 - Page 54

54
Since with this diagram, speed controls are only useful when the objective is "absolute
temperature", this control objective has been saved both in the settings "Absolute temp." and
also "Differential temp.". The control devices are therefore dependent on this setting.
Connecting diagram:
Menu navigation: (here for the scheme 'Basic' )
OK
Measuring values collector: °C
Operating status storage bottom: °C
+Settings charging temp. °C
OK OK
storage top: °C
Parameter storage max. 70°C storage middle: °C
Date / Time Diff. temp. solar ON 8K heating return flow: °C
+Clocks Diff. temp. solar OFF 4K
char
g
e-
p
um
p
Δ:
h
+Service charging temp. max. 115°
char
g
e-
p
um
p
Σ:
h
OK OK + Menu (2 sec.)
charging setpoint 65°C
sola
r
-
p
um
p
Δ:
h
System selection -supplementary heating return flow incr. ON 4K
sola
r
-
p
um
p
Σ:
h
Functions
OK
return flow incr. OFF 2K
reversin
g
valve Δ:
h
Links -1combi storage tank speed control
reversin
g
valve Σ:
h
Extras
OK
Manual operation -plate heat exchanger
OK
~Basic
choose with OK (2sec.)
{Basic-AH
{Basic-R
T2
S7
T3 T4
T1
T5
R4
M
T6