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12
Commissioning
GB
27
Commissioning of the boiler should
be carried out by authorized person-
nel only. Failure to respect this condi-
on makes the guarantee void.
A protocol of the commissioning
should be lled out (see end of this
chapter for example of commission-
ing protocol).
This chapter explains the commis-
sioning of the boiler with the stand-
ard boiler controller. When an addi-
onal system controller is installed,
please refer to its manual for com-
missioning the controller.
Hydraulic system
Boiler output Max. sum of alkaline earths Max. total hardness
[kW] [mol/m3] [°dH] [°f]
60 - 200 2.0 11.2 20
200 - 600 1.5 8.4 15
Concentrate
Ca(HCO3)2
Capacity of installa on Q (kW)
150 200 250 300 400 500 600
mol/m
3
°dH °f Maximum water (re) ll volume V
max
[m
3
]
0.5
2.8 5-------
1.0
5.610-------
1.5
8.415345681012
2.0
11.2 20 3 4 5 6 6.3 7.8 9.4
2.5
14.0 25 1.9 2.5 3.1 3.8 5.0 6.3 7.5
3.0
16.8 30 1.6 2.1 2.6 3.1 4.2 5.2 6.3
Water pressure
Open the valves to the system. Check
the water pressure in the system.
If the water pressure is too low (see
table), increase the pressure up to at
least the minimum required water
pressure in the table.
Filling can eventually be done via
the (op onal) ll and drain valve (2)
on the return connec on (1) of the
boiler.
Minimum
opera ng
pressure
[bar]
Flow
temperature
[°C]
> 1.0 90
Hydraulic system
Check if the boiler is hydraulically
connected to the system in such way,
that water ow can be secured at all
mes during burner opera on.
The water ow is supervised by ΔT-
protec on in the boiler and a lack of
ow will lead to a direct burner stop
and lockout of the boiler.
Water quality
The system should be lled with wa-
ter with a PH value between 7,0 and
9,5.
The chloride value of the water
should not exceed 50 mg/l. Entry of
oxygene by di usion should be pre-
vented at all mes. Damage to the
heat exchanger because of oxygene
di usion will not be taken under
warranty.
In installa ons with higher water
volumes, it’s necessary to respect
the maximum lling and addi onal
volumes with corresponding hard-
ness values as stated in the german
VDI2035 standard. In the table you
can nd the nominal values for lling
and addi onal water for the THISION
L EVO according to the the VDI2035.
The table at the right gives an indica-
on of the rela on between the wa-
ter quality and the maximum water
lling volume during the life me of
the boiler.
Consult the original text of the
VDI2035 for more detailed informa-
on.
25


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