1.1 Designated Use
•
Hot water heating boiler.
•
Indoor installation.
•
Closet or alcove installation.
•
Direct vent boiler.
•
For use with natural gas or liquefi ed 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 50 psig (344 kPa) system pressure.
•
Exceed 195°F (90.5°C) system design temperature.
1.3 Operational Features
•
Modulating: 20-100%.
•
Integral Dual Limit.
•
Integral Low Water Cutoff (with test button).
•
Outdoor Temperature Reset.
•
Integral Multiple Boiler Control.
1 - INTRODUCTION
4