Table of Contents
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Design.
Input
A12
A13
A14
A20
A21
A22
A23
A24
A25
A30
A31
A32
A33
A34
A40
A41
A42
A43
A44
A45
A46
MI
MO
CLK
nSS
GND
OT 1 (2x)
OT 2 (2x)
B1, A1
+12 Volt,
GND
B2/A2
B3/A2
R
Output
Signal
Description
X
Reserve
X
Reserve
X
230V changeover valve, cooling
X
Mixing valve for 1st mixed cycle "open"
X
Mixing valve for 1st mixed cycle "closed"
X
Mixing valve for 2nd mixed cycle "open"
X
Mixing valve for 2nd mixed cycle "closed"
X
Mixing valve for 3rd mixed cycle "open"
X
Mixing valve for 3rd mixed cycle "closed"
X
Reserve
X
Pipe trace heating (anti-freeze protection)
X
Enable 2nd Heat generator (gas/oil boiler)
X
Enable 2nd Heat generator (flow heater)
X
General alarm signal
X
0-10V without PWM signal unmix. cycle pump
X
0-10V without PWM signal 1st mixed cycle pump
X
0-10V without PWM signal 2nd mixed cycle pump
X
0-10V without PWM signal 3rd mixed cycle pump
X
Reserve
X
Reserve
X
Reserve
Non functional
Not connected
Not connected
Operating module
Connection heat pump
Not connected
Coding resistor
77
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