7
Check our website frequently for updates: www.ecrinternational.com
Information and specications outlined in this manual in eect at the
time of printing of this manual.ECR International reserves the right to
discontinue, change specications or system design at any time without
notice and without incurring any obligation, whatsoever.
2 - INTRODUCTION
2.5 Designated Use
• DCC-115,DCC-150 and DCC-205 provide both central
heating and domestic hot water.
• DCB-100, DCB-125 and DCB-165 central heating
only.
• Indoor installation.
• Closet or alcove installation. Direct Vent Boiler does not
require air vents when installed in closet or room.
• Direct vent boiler.
•
(LP/propane).
2 - Introduction
2.1 Installation shall conform to requirements of authority
having jurisdiction or in absence of such requirements:
UNITED STATES
• National Fuel Gas Code, ANSI Z223.1/NFPA 54
.
• National Electrical Code, NFPA 70.
2.2 Where required by authority having jurisdiction,
installation shall conform to Standard for Controls and Safety
Devices for Automatically Fired Boilers, ANSI/ASME CSD-1.
2.3 Requirements for Commonwealth of
Massachusetts:
Boiler installation must conform to Commonwealth of
Massachusetts code 248 CMR which includes but is not limited
to:
2.6 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).
• Toxic chemicals, such as those used for boiler
treatment, shall not be introduced into potable water
used for space heating.
• Exceed 43 psig (2.96 bar) maximum system pressure,
or drop below minimum system pressure 7.25 psig (.50
bar)
• Exceed 176°F (80°C) system design temperature.
2.7 Operational Features
• DCB-100 Modulates input to provide CH Turndown
5.6:1
• DCC-115 Modulates input to provide CH Turndown
5.6:1, DHW Turndown 6.9:1
• DCB-125 Modulates input to provide CH Turndown
5.7:1
• DCC-150 Modulates input to provide CH Turndown
5.7:1, DHW Turndown 7:1
• DCB-165 Modulates input to provide CH Turndown
5.5:1
• DCC-205 Modulates input to provide CH Turndown
5.5:1, DHW turndown 7:1
Maximum output available for domestic hot water:
DCC-115 - 105,500 btu/hr (33.8 kW) capable of
providing 2.5 (U.S.) gpm (11.4 liters/min) with a
temperature rise of 70°F/39°C.
DCC-150 - 136,000 btu/h (40 kW), capable of providing
3.5 (U.S.) gpm (13.2 liters/min) with a temperature rise
of 70°F/39°C.
DCC-205 - 180,000 btu/h (53 kW), capable of providing
5.0 (U.S.) gpm (18.9 liters/min) with temperature rise
of 70°F/39°C.
•
• Optional Outdoor Temperature Reset.
• Heat exchanger over heat protection.
• Boiler operating at maximum operating temperature,
providing heat, pressure gauge should not indicate
more than 26.11 psi / 1.80 bar. If reading exceeds this
240013360
REV A [07/01/2021]
2.4 Manufacturer recommends use of Carbon
Monoxide monitor may be requirement of local
jurisdiction.
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