Dunkirk DWB Series - Manual (Page 4)

1 - INTRODUCTION
1.1 Designated Use
• Hot water heating boiler.
• Indoor installation.
• Closet or alcove installation.
• Catagory I or III Venting.
• For use with natural gas or liquefi ed petroleum gases
(LP/propane). LP kit available.
• Indirect heating is acceptable.
• Boiler is arranged for connection to an external
storage tank for hot water production (optional).
All functions relevant to domestic hot water
production are only active with the optional water
tank sensor connected.
1.2 The unit MUST NOT:
• Directly heat potable water.
• Heat water with non-hydronic heating system chemicals
present (example, swimming pool water).
• Exceed 185°F (85°C) system design temperature.
• Exceed 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.
4