5
1.1 Designated Use
• Hot water heating boiler.
• Indoor installation.
• Closet or alcove installation.
• Direct vent boiler.
• For use with natural gas or lique
fi
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 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.
• Integral Low Water Cutoff (with test button).
• Outdoor Temperature Reset.
• Integral Multiple Boiler Control.
Information and specifi cations outlined in this manual in effect at the
time of printing of this manual. Manufacturer reserves the right to
discontinue, change specifi cations or system design at any time without
notice and without incurring any obligation, whatsoever.
1 - INTRODUCTION
Содержание DKVLT-050
Страница 47: ...47 13 TROUBLE SHOOTING ...
Страница 51: ...51 13 TROUBLE SHOOTING ...
Страница 53: ...53 13 TROUBLE SHOOTING ...
Страница 62: ...62 Supply Water Temperature Sensor Resistance Chart 13 TROUBLE SHOOTING ...
Страница 64: ...64 14 WIRING DIAGRAM 14 1 Connection Diagram 050 075 100 150 200 MBH ...
Страница 66: ...66 14 WIRING DIAGRAM 14 3 Connection Diagram 299 MBH EXTERNAL PUMP RELAY LIMIT OF 1 AMP PER PUMP SEE SECTION 8 ...
Страница 83: ...83 NOTES ...
Страница 84: ...ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...