Checking The Electrical Connections; Checking The Frost Protection Temperature And The Ph Value Of The Heat Transfer Medium; Starting The Heating System - Viessmann VITOSOL-F Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
High-flow operation, 40 l/(h·m
Number of col- Flow rate in l/min
lectors
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Checking the electrical connections

Check the tightness of the electrical
plug-in connectors and cable grom-
mets; check cables for damage.
Checking the frost protection temperature and the pH value
of the heat transfer medium
Check the frost protection tempera-
ture of the "Tyfocor LS " heat transfer
medium with a Viessmann antifreeze
tester or the manual refractometer in
the solar service case (accessory).

Starting the heating system

Observe operating instructions of
installed components.
10
Low-flow operation, 15 l/(h·m
2
)
Number of col-
lectors
6
3 7
4.5 8
6 9
7.5 10
9.5 11
10.5 12
12.5 13
14 14
15.5 15
17 16
18.5 18
20 20
21.5
23.5
Check the pH value with a pH strip in
the solar service case (accessory)
(see page 14).
Solar service case operating
instructions
(cont.)
2
)
Flow rate in l/min
3.5
4.5
5.5
6.5
7.5
8.5
10.5
11.5
4
5
7
8
9