15
F
Safety connection (safety valve), see chapter
"Making the safety connection and checking tight-
ness"
G
Boiler return
700 and 900 kW:
DN 100
1100 and 1300 kW: DN 125
1600 and 1950 kW: DN 150
H
Female connection for fitting assembly, R
½
Making the safety connection and testing for tightness
Install the safety lines.
Safety connection
700 and 900 kW
DN 50 PN 16
1100 to 1950 kW
DN 65 PN 16
Permiss. operating pressure
6 bar (0.6 MPa)
Test pressure
9 bar (0.9 MPa)
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).
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
Parts from thermal insulation pack 3
■
Rail, back left
■
Rail, back right
■
Spring hooks
■
Wing screws
■
Rail, front right
■
Rail, front left
■
Centre rails
Connections on the heating water side
(cont.)
5457380
