Viessmann VITOPEND 200 Installation And Service Instructions Manual page 7

Preparing the installation
A Heating flow R
¾"
p
B Hot water R
½"
p
C Gas connection
D Cold water R
½"
p
1. Prepare the water connections.
Flush the heating system.
2. Prepare the gas connection
according to TRGI or TRF [or local
regulations].
(cont.)
E Heating return R
F Fill & drain valve
G Cable arrangement area
Preparing the installation
¾"
p
7