Viessmann VITODENS 200-W Service Instructions Manual page 27

Further details regarding the individual steps
Function/system components
Operation with LPG
System without low loss header and without DHW cir-
culation pump:
Circulation pump for cylinder heating, connection at
internal extension H1 or H2
System with low loss header and without DHW circu-
lation pump:
Heating circuit pump A1 connection at extension
AM1, terminal A1
Circulation pump for cylinder heating, connection at
extension AM1, terminal A2
System with low loss header and with DHW circula-
tion pump:
Heating circuit pump A1 connection at extension
AM1, terminal A1
Circulation pump for cylinder heating, connection at
extension AM1, terminal A2
DHW circulation pump connection at internal exten-
sion H1 or H2
System with low loss header
Commissioning, inspection, maintenance
Adjust Delivered con-
(cont.)
Code
dition
82:1
53:3
—
34:2
—
34:2
—
04:0
82:0
53:1
33:1
34:0
33:1
34:0
53:1
04:1
27