7
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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.
2 - INTRODUCTION
2.5 Designated Use
• MAC-115
,
MAC-150
and
MAC-205
provide both
central heating and domestic hot water.
• MAH-100, MAH-125
and
MAH-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.
•
For use with natural gas or liquefied petroleum gases
(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.
Additional manual reset low water cutoff may be required.
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:
Installation by licensed plumber or gas fitter.
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
• MAH-100
Modulates input to provide CH Turndown
5.6:1
• MAC-115
Modulates input to provide CH Turndown
5.6:1, DHW Turndown 6.9:1
• MAH-125
Modulates input to provide CH Turndown
5.7:1
• MAC-150
Modulates input to provide CH Turndown
5.7:1, DHW Turndown 7:1
• MAH-165
Modulates input to provide CH Turndown
5.5:1
• MAC-205
Modulates input to provide CH Turndown
5.5:1, DHW turndown 7:1
Maximum output available for domestic hot water:
MAC-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.
MAC-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.
MAC-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.
•
Integral Low Water Pressure Cutoff.
• 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
figure larger expansion tank is required.
240013354 REV A [07/01/2021]
2.4 Manufacturer recommends use of Carbon
Monoxide monitor may be requirement of local
jurisdiction.
Содержание Utica Boilers MAC-115
Страница 2: ...MAC 205...
Страница 4: ...MAH 165...
Страница 77: ...73 APPENDIX A WIRING DIAGRAMS A 2 MODEL 125 Heat Only 240013354 REV A 07 01 2021...
Страница 78: ...74 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013354 REV A 07 01 2021...
Страница 79: ...75 APPENDIX A WIRING DIAGRAMS A 1 MODEL 115 Combi 240013354 REV A 07 01 2021...
Страница 80: ...76 APPENDIX A WIRING DIAGRAMS A 4 MODEL 150 Combi 240013354 REV A 07 01 2021...
Страница 81: ...77 APPENDIX A WIRING DIAGRAMS A 5 MODEL 205 Combi 240013354 REV A 07 01 2021...
Страница 115: ...32 CIRCULATOR CONNECTIONS WIRING DIAGRAM Single Zone Circulator Wiring Using ARGO AR822 II PN 240011430 REV O 07 01 2021...
Страница 117: ...34 MODEL 125 Heat Only 125 HEAT ONLY WIRING DIAGRAM PN 240011430 REV O 07 01 2021...
Страница 118: ...35 MODEL 165 Heat Only 165 HEAT ONLY WIRING DIAGRAM PN 240011430 REV O 07 01 2021...
Страница 119: ...36 115 COMBI WIRING DIAGRAM MODEL 115 Combi PN 240011430 REV O 07 01 2021...
Страница 120: ...37 MODEL 150 Combi 150 COMBI WIRING DIAGRAM PN 240011430 REV O 07 01 2021...
Страница 121: ...38 MODEL 205 Combi 205 COMBI WIRING DIAGRAM PN 240011430 REV O 07 01 2021...
Страница 126: ...43 Low Water Cutoff Detail LOW WATER CUTOFF NO NO YES PN 240011430 REV O 07 01 2021...
Страница 131: ...48 3 FAULT SOLUTION SECTIONS PN 240011430 REV O 07 01 2021...
Страница 134: ...51 Parameter ID Changed From Changed To Date Reason PARAMETER CHANGE HISTORY PN 240011430 REV O 07 01 2021...