Viessmann VITOPEND 200 Installation And Service Instructions Manual page 41

Further details regarding the individual steps
System version 3
One heating circuit without mixer A1, one directly connected underfloor
heating circuit (injection control) with controller without auxiliary power
(three‐way version)
! Outside temperature sensor (only
for weather‐compensated control
units)
sK Heating circuit pump for one heat-
ing circuit without mixer (connec-
tion via internal extension)
Required coding
Operation with LPG
Initial start-up, inspection, maintenance
(cont.)
A Max. thermostat (underfloor heat-
ing)
B Controller without auxiliary energy
(closes with rising temperature)
Three‐way version can be
obtained from
WSC AG
Mess‐ + Regeltechnik
Weismüllerstr. 3
D‐60314 Frankfurt/M.
or
Danfoss
Antriebs‐ und Regeltechnik GmbH
Carl‐Ligien‐Str. 8
D‐63073 Offenbach/M.
1E:1
41