Wolf MUS 85 - Page 10

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MKS MUS
Type 85 100 140 190 250 340 420 500 85 100
Output range kW 70-100 85-120 110-160 160-230 200-300 280-380 360-460 420-550 70-85 85-100
Min. boiler output
burner stage 1
kW 51 60 84 114 150 204 252 300 51 60
Fill water / burner connection
Fill water Water guidelines for heating systems in accordance with VDI 2035 at operating
temperatures up to 100 °C:
Burner connection
Observe the TRD 411 (oil combustion) and TRD 412 (gas combustion) guidelines.
The gas installation and operation of heating systems must comply with the DVGW
Code of Practice "Gas" and the technical connection conditions of your gas supply
company and/all local regulations.
Burner size MKS-85-140 Acc. to EN 226 adjustable to burner size
connection
MKS-190 - Burner plate in acc. with blast tube dia.
MKS-500 cut-out and tap thread.
Match the door insulation to the blast tube diameter of the burner.
The blast tube must protrude into the combustion chamber at least 25 mm beyond the
door installation.
Use fixing screws for the burner flange, which cannot the inserted into the boiler
door more than 15 mm.
Connect the ventilation fitting at the sight glass with the burner fitting.
After the control unit installation, plug the burner cable into the burner.
Ensure that the combustion output matches the rated boiler output.
Observe the details provided by the burner supplier.
To prevent the system falling below the dewpoint, the following minimum boiler output
for two-stage burners are required for the first stage:
Minimum boiler output
*) for exceptions see VDI 2035
(+) may be required, see VDI 2035
Water guidelines for heating systems in accordance with VdTÜV guidelines at
operating temperatures above 100 °C:
Filling and
top-up water
Circulating water
Residual hardness
mval/kg
pH value
Diamide Na
2
SO
3
p value
mval/kg
<0.03 0.5-1.5 8.5-10.0 0.5-25 10-40
Group
Total of rated
boiler output Q
Filling and top-up
water
Heating water
Total alkaline
earths in mol/m³
pH value Diamide Na
2
SO
3
Excess in mg/kg
0Q ≤ 100 -*) - - -
1 100 < Q ≤ 350 1 to 3 8 to 9.5 - -
2 350 < Q ≤1000 1 to 2 8 to 9.5 2 to 5(+) 5 to 20(+)
kW
Excess in mg/kg