Safety Unit (For France Only); Hydraulic Connections; Primary Solar Circuit; Primary Heating Circuit - Baxi UBVT 200 DC Installation, User And Service Manual

UBVT 200...400 SC UBVT 200...500 DC
30
b
a
c
d
e
4.8

Hydraulic connections

12/02/2013 - 300027525-001-02
4.7.6.
29 9 28
2 cm
(54)
C000711-F
4.8.1.
¼See solar station installation and service manual.
n Connecting
4 Use of a hacksaw is prohibited.
4 Pipe connections by compression unions.
4 Hard soldering: Hard soldering: hard soldering filler metal without
4 Pipe unions: can only be used if they are resistant to glycol,
M001756-A
4 Sealing material: Hemp.
4 Press fitting (6 bar, 140 °C).
4.8.2.
¼See diagram : "Hydraulic installation diagram", page 16.

Safety unit (for France only)

Isolating valve
9
Domestic cold water inlet
28
Pressure reducer
29
Safety unit
30
End of the discharge pipe free and visible 2 to 4 cm above
54
the flow funnel
Cold water inlet with an integrated non-return valve
a
Connection to the DHW calorifer cold water inlet
b
Stop cock
c
7 bar safety valve (0.7 MPa)
d
Drain opening
e

Primary solar circuit

CAUTION
Soft soldering are not authorized.
The use of flux promotes corrosion conditions in systems
operating with propylene glycol as heat transfer fluid. In all
cases the inside of the pipes must be flushed.
flux in accordance with DIN EN 1044, e.g. L-Ag2P or L-CuP6.
pressure (6 bar) depending on version) and temperature (-30 °C,
180 °C) (manufacturer's data).

Primary heating circuit

4. Installation
22