Viessmann VITODENS 200-W Installation And Service Instructions Manual page 8

Preparing for installation
Preparing for installation
!
Please note
To prevent appliance damage,
connect all pipework free of load and torque
stress.
480
H
200
E
A
160 160
B C D F
Fig. 1
Expansion vessel G 1
A
Safety valve
B
Heating flow G 1
C ½
Cylinder flow G 1
D
½
Gas connection R
E ¾
Cylinder return G 1
F ½
Heating return G 1
G
½
Note
This boiler (IP rating: IP X4) is approved for installation
in wet rooms inside safety zone 1, to DIN VDE 0100,
providing hosed water is prevented.
Observe the requirements of DIN VDE 0100.
1. Prepare the water connections. Thoroughly flush
the heating system.
8
P
K
G
160
100
380
Cable entry area at the back
H
Accessories (connection sets)
K
Without connection sets (accessories)
L
With connection sets (accessories)
M
Recommended dimension (single boiler system)
N
Recommended dimension (multi boiler system)
O
Condensate drain
P
2. Prepare the gas connection according to TRGI or
TRF [or local regulations].