Viessmann C3HA, Installation And Service Instructions For Contractors

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18
VTS M1 42
M1
43
BSB
230 V/50 Hz 40
1 2
on
off
20
2
41 HK M1
17
L
N
N
L
1
2
1
2
1
2
230 V/50 Hz
Low voltage
VTS M3 62
M3
63
BSB
230 V/50 Hz 40
1 2
on
off
20
2
61 HK M3
17
L
N
N
L
1
2
1
2
1
2
230 V/50 Hz
Low voltage
M3
63
VTS M2
52
M2 53
BSB
230 V/50 Hz 40
1 2
on
off
20
2
51 HK M2
17
L
N
N
L
1
2
1
2
1
2
230 V/50 Hz
Low voltage
BSB 2 B
M
1~
M
1~
M
1~
M
1~
Required codes
Group Code Function
"System scheme" "5700:2" System scheme 2 as standard
function
"HC1" "5710:On" Heating circuit 1 installed
"HC2" "5715:On" Heating circuit 2 installed
"HC3" "5721:On" Heating circuit 3 installed
"Sensor input BX6" "5935:Buffer sensor
B42" Buffer cylinder sensor B42 fitted
Preparing for installation
Preparing for installation
(cont.)
5618 294 GB