Making The Safety Connection And Testing For Tightness; Fitting The Thermal Insulation - Viessmann Vitoplex 200 SX2A Series Installation Instructions Manual

Connections on the heating water side
Safety connection (safety valve), see chapter
F
"Making the safety connection and checking tight-
ness"
Boiler return
G
700 and 900 kW:
1100 and 1300 kW: DN 125
1600 and 1950 kW: DN 150
Female connection for fitting assembly, R
H

Making the safety connection and testing for tightness

Install the safety lines.
Safety connection
700 and 900 kW
1100 to 1950 kW
Permiss. operating pressure
Test pressure

Fitting the thermal insulation

Note
Small parts and burner cables are supplied in separate bags inside thermal insulation pack 3.
Required parts
Parts from thermal insulation pack 1
Thermal insulation jackets
■
■ Side panels
Parts from thermal insulation pack 2
■ Thermal insulation jacket, centre
DN 100
½
DN 50 PN 16
DN 65 PN 16
6 bar (0.6 MPa)
9 bar (0.9 MPa)
(cont.)
Note
Equip the boiler with a safety valve that is correctly
sized and suitable for heating systems.
!
Please note
Unsuitable water quality can damage the boiler
body.
Only fill the boiler with water that complies with
the "Water quality requirements" (see service
instructions).
Parts from thermal insulation pack 3
■ Rail, back left
Rail, back right
■
Spring hooks
■
■ Wing screws
■ Rail, front right
■ Rail, front left
■ Centre rails
15