Operating instructions

11
Heating system designs
System version 5 (cont.)
A Boiler with control unit
B Domestic hot water cylinder
C Mixer circuit M2
D Extension kit for mixer circuit M2
E Mixer circuit M3
F Extension kit for mixer circuit M3
G KM BUS distributor
H Mains power distributor
K Heating circuit without mixer A1
Plug
! Outside temperature
sensor
? Flow temperature sensor
§ Boiler temperature sensor
% DHW cylinder temperature
sensor
aJ Return temp. sensor
*2
sÖĂA1 Heating circuit pump
sÖĂM2/M3Heating circuit pump
sA Circulation pump for DHW
cylinder loading
sK DHW circulation pump
fÖ Mains power connection
(230 V~ 50 Hz)
fA Burner 1
st
stage
*3
lÖ Burner 2
nd
stage/
modulating
*3
aVG KM BUS distributor
aBH Mains connection for
mains distributor
a:A Two-stage/modulating
burner extension
Required coding
Automatic changeover
ĈĈĈĈĈ 00:10 with DHW cylinder
*1
Check valve; only required if joined to a connector.
*2
e.g. for underfloor heating control via flow and return temperature sensor.
*3
Standard delivery ć boiler.
5862Ă297ĂGB