Dunkirk DWB Series User Manual download pdf (Page 4)

1 - INTRODUCTION

1.1 Designated Use

• Hot water heating boiler.

• Indoor installation.

• Closet or alcove installation.

• Catagory I or III Venting.

• Direct vent boiler.

• For use with natural gas or liqueﬁ ed petroleum gases

(LP/propane).

• Directly heat potable water. Indirect heating is

acceptable.

1.2 The unit MUST NOT:

• Heat water with non-hydronic heating system chemicals

present (example, swimming pool water).

• Exceed 185°F (85°C) system design temperature.

• Exceed MWAP 43.5 PSIG

1.3 Operational Features

• Modulating: 3-1 turn down.

• Integral Dual Limit.

Information and speciﬁ cations outlined in this manual in effect at the

time of printing of this manual. ECR International, Inc. reserves the right to

discontinue, change speciﬁ cations or system design at any time without

notice and without incurring any obligation, whatsoever.

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Dunkirk DWB Series User Manual Page 4