Designation
Input
Output
Signal
Description
A11
X
Changeover valve 2nd WE
A12
X
Changeover valve solar / 2 storage tank pool
A13
X
2nd mixed cycle, pump (230 V) switched
A14
X
Changeover valve / pump cooling
A20
X
1st mixed cycle, mixing valve open (230 V)
A21
X
1st mixed cycle, mixing valve switched to closed
(230 V)
A22
X
Bypass mixer open
A23
X
Bypass mixer closed
A24
X
2nd mixed cycle, mixing valve open (230 V)
A25
X
2nd mixed cycle, mixing valve switched to closed
(230 V)
A30
X
Not connected
A31
X
Not connected
A32
X
Enable 2 WE booster heating or boiler
A33
X
Not connected
A34
X
Alarm codes
A40
X
Speed setting solar pump PWM
A41
X
Speed specification, 1st mixed circuit (0-10V)
A42
X
Speed specification, unmixed circuit (0-10V)
A43
X
Speed setting primary pump indoor unit (PWM)
A44
X
Not connected
A45
X
Non functional
A46
X
Speed specification, 2nd mixed circuit (0-10V)
MI
Non functional
MO
CLK
nSS
GND
OT 1 (2x)
Not connected
OT 2 (2x)
Non functional
B1, A1
+12 Volt,
GND
Operating module
B2 / A2
Communication Com-Kit
B3 / A2
RS 485_3
R
RC coding resistance WKF NEO compact
70/120/180
REMKO series WKF NEO-compact
18
Summary of Contents for WKF Neo-Compact Series
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