Safety Assembly To Din 1988 And En 806 - Viessmann VITODENS 222-F Installation And Service Instructions Manual

Preparing for installation
Preparing for boiler installation

Safety assembly to DIN 1988 and EN 806

A
B
D E F GH D
C
O
Fig. 4
Safety assembly to DIN 1988 and EN 806 (acces-
A
sories for connection sets for flush mounting)
Safety valve
B
Visible discharge pipe outlet point
C
Shut-off valve
D
Flow regulating valve (installation recommended)
E
Pressure gauge connector
F
Non-return valve
G
12
(cont.)
4. Prepare gas connection to TRGI [or local regula-
tions].
5. Prepare the electrical connections.
■ The appliance is delivered fitted with a power
cable (approx. 1.5 m long).
Power supply: 230 V, 50 Hz, fuse rating
■
max. 16 A
Note
Connect the power cable to the electricity supply
using a fixed connection.
■
Accessory cables: 0.75 mm
with required number of cores for external con-
nections.
Note
Route external pipes through guide
D H L M
K
Drain outlet
H
Cold water
K
Drinking water filter
L
Pressure reducer to DIN 1988-2, Dec. 1988 issue
M
N Non-return valve/pipe separator
Cold water connection at connection set (accesso-
O
ries)
2
D N K
flexible PVC cable
.
N