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Manual Wolf MGK-250 Gas Boiler

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Manual

73062880_201305

Specication

Type MGK 130 170 210 250 300

Ratedoutputat80/60°C kW 117 156 194 233 275

Ratedoutputat50/30°C kW 126 167 208 250 294

Rated heat input kW 120 160 200 240 280

Lowboileroutput(modul.)at80/60°C kW 23 27 34 39 45

Lowboileroutput(modul.)at50/30°C kW 24 30 37 44 49

Lowheatinput(modulating) kW 23 28 35 41 46

Heatinputmodulationrange % 19-100 17-100 17-100 17-100 17-100

Height A mm 1300 1300 1300 1300 1300

Width B mm 995 1355 1355 1355 1355

Depth C mm 600 600 600 600 600

Fluediameter mm 160 160 160 160 200

Combustionairsupply mm 160 160 160 160 160

Heatingowoutsidediameter G 1½" 2" 2" 2" 2"

Heatingreturnoutsidediameter G 1½" 2" 2" 2" 2"

Gasconnection R 1" 1½" 1½" 1½" 1½"

Balanceduerouting Type

B23,B33

C33,C43

C53,C63

C83

B23,B33

C33,C43

C53,C63

C83

B23,B33

C33,C43

C53,C63

C83

B23,B33

C33,C43

C53,C63

C83

B23,B33

C33,C43

C53,C63

C83

Gascategory II

2H3P

Gassupplydetails:

Naturalgas H(H

=9.5kWh/m³=34.2MJ/m³)

m³/h 13.1 16.8 21 25.2 29.4

LPGP(H

=12.8kWh/kg=46.1MJ/kg)

kg/h 9.7 12.5 15.6 18.7 21.8

Gassupplypressure: NaturalgasE/LL mbar 20 20 20 20 20

 LPGP mbar 50 50 50 50 50

Watercapacity,heatingwaterheatexchanger l 12 15.4 16 20 22

Max.permissibleboilerpressure bar 6 6 6 6 6

Max.permissibleowtemperature °C 90 90 90 90 90

Availablegasfandraught Pa 10-200 10-150 10-150 10-150 10-150

Fluegastemperature80/60-50/30atQ

max

°C 65-45 65-45 65-45 65-45 65-45

Fluegastemperature80/60-50/30atQ

min

°C 55-35 55-35 55-35 55-35 55-35

Fluegasmassowrate

g/s 56.7 72.6 90.8 108.9 127.1

FluegasgroupaccordingtoDVGWG635 G52 G52 G52 G52 G52

Pressuredrop,heatingwater mbar 95 100 115 135 160

Electricalconnection V~/Hz 230/50 230/50 230/50 230/50 230/50

Integralfuse(mediumslow) A 5 5 5 5 5

Powerconsumption W 30-200 45-280 45-280 45-280 45-350

Protection

IP40 IP40 IP40 IP40 IP40

Soundpressurelevelinsidetheinstallation

roomatfullload

dB(A) <54 <54 <54 <54 <54

Totalweight(dry) kg 195 250 271 292 313

Condensatevolumeat40/30°C l/h 12 16 20 24 28

CondensatepHvalue approx.4.0 approx.4.0 approx.4.0 approx.4.0 approx.4.0

CE ID 0085BR0117 0063BQ3805 0063BQ3805 0063BQ3805 0063BQ3805

Thisvalueisdependentonthegeneralsystemconditions,suchas:Type/versionoftheuesystem,sizeandnatureoftheinstallationroom

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Specifications

Brand	Wolf
Model	MGK-250
Category	Gas Boilers
File type	PDF
File size	1.02 MB

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Frequently Asked Questions about Wolf MGK-250 Gas Boiler

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

There is water coming from the pressure relief valve, is that normal? Verified

Yes, a gas boiler is a pressure vessel. When pressure gets too high, the boiler will lower this by releasing water through the pressure relief valve. The installer of the boiler should have attached proper drainage.

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What is the difference between a boiler and a gas boiler? Verified

A boiler heats the water before you want to use it. A gas boiler heats the water at the moment that it is needed. This means that with a regular boiler, you can run out of warm water when the reservoir is empty.

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