Connection of the mixing valve motor (QN11)
Connect the mixing valve motor (QN11) to AA5-X9:6
(230 V, open), AA5-X9:5 (N) and AA5-X9:4 (230 V, close).
-X9
1
2
3
4
5
6
7
8
9
Open
Close QN11
N
AA5
Connection of the auxiliary relay for addition-
al heating
Connect the auxiliary relay for switching the addition on
and off to AA5-X9:2 (230 V) and AA5-X9:3 (N).
-X9
1
2
3
4
5
6
7
8
9
L
N
A1 A2
External auxiliary relay
Additional
Heating
External auxiliary relay
Additional
heat:
AA5
DIP switch
The DIP switch on the accessory card must be set as fol-
lows.
ON
12345678
ON
12345678
-X9
-X2
24 20212223 1516171819 1011121314 567891
1
N
L
PE
PE
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
234
-X8
-X4
-X10
-X1
AA5-S2
Program settings
Program setting of AXC 40 can be performed via the start
guide or directly in the menu system.
Start guide
The start guide appears upon first start-up after heat
pump installation, but is also found in menu 5.7.
Menu system
If you do not make all settings via the start guide or need
to change any of the settings, this can be done in the
menu system.
Menu 5.2 - system settings
Activating/deactivating of accessories.
Menu 5.3.2 - shunt controlled add. heat
Setting minimum running time, minimum boiler temper-
ature for the mixing valve to start control and start value
for the addition as well as mixing valve settings.
Caution
Also see the Installer manual for F1145/F1245.
AXC 40Chapter 3 | Mixing valve controlled additional heat (oil/gas boiler/district heating)8
