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1.1 Designated Use
• Hot water heating boiler.
• Indoor installation.
• Closet or alcove installation.
• Direct vent or single vent pipe boiler.
• For use with natural gas or liquefied petroleum gases
(LP/propane).
1.2 The unit MUST NOT:
• Directly heat potable water. Indirect heating is acceptable.
• Heat water with non-hydronic heating system chemicals
present (example, swimming pool water).
• Exceed 150 psig (1.03 MPa) maximum allowable working
pressure.
• Exceed 195°F (90.5°C) system design temperature.
1.3 Operational Features
• Modulating: 20-100%.
• Integral Dual Limit.
• Connection provided for required field sourced low water
cutoff (LWCO).
• Outdoor Temperature Reset.
• Integral Multiple Boiler Control.
• Heat exchanger over heat protection.
• Alternate mounting of User Interface
Check our website frequently for updates: www.ecrinternational.com
1 - INTRODUCTION
Information and specifications outlined in this manual in effect at the
time of printing of this manual. ECR International reserves the right to
discontinue, change specifications or system design at any time without
notice and without incurring any obligation, whatsoever.
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Troubleshooting
