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Technical data

ManualsBrandsMHS Boilers ManualsHome building and DecorEF500
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L1
Flow Sensor
Return sensor
* HWS Sensor
* Cylinder Stat/HWS
Time Switch
* External Controls
For Heating Circuit
* Outside Air Sensor
2
13579
4 6 10 12
11 13 15 17 19 21
PMW
GND
+24V
14 16 18 20 22 24
23 25 27 29 31 33
26 28 30 32 34
35
36
37
38
PE
N
43521
L
N
PE
L
N
PE
L
N
PE
Alternative External
Control Options
Not Used Additional
Boilers
X2
X1
X2 X4
R2
R3
13 15 17 19 21
16 18 20 22
L1
PE
N
R2
R3
L1
PE
N
R2
R3
Supply
230V
Boiler
No1
Boiler
No2
Boiler
No3
*
HWS Primary
Pump 230V
2A max
*
- If Required
*
Heating Circuit
Pump 230V
2A Max
RE2132
Modulating
Room Unit
QAW44
Optional
Remote Sensor
*
*
4
1 1 1
4 4
Boiler Dip Switch Settings -
repeat on each boiler
NOTE:
No connections,
other than those
shown are to be
made to the boilers.
= Weiland Plugs/Sockets on boilers
= Terminal Rails on KKM2 Kaskade Manager
X1,X2,X4
1 4
Low Pressure Switch
break on Pressure Fall
Relay R1
N
L
Supply
230 V
Supply
230 V
Supply
230 V
R 1/1 R 1/2 R 1/3