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INSTALLATION AND OPERATING INSTRUCTIONS

DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160

1.0 INSTALLATION....................................................1-1

1.1 GENERAL ...................................................1-1

1.2 CODE REQUIREMENTS ........................................1-2

1.3 LOCATION ...................................................1-2

1.4 EXHAUST VENTING AND AIR INTAKE.............................1-3

1.5 CONDENSATE REMOVAL......................................1-16

1.6 WATER PIPING - SPACE HEATING ..............................1-20

1.7 DOMESTIC HOT WATER SYSTEM...............................1-28

1.8 GAS PIPING.................................................1-32

1.9 ELECTRICAL CONNECTIONS ..................................1-33

2.0 BOILER / WATER HEATER SYSTEMS AND OPERATION..................2-1

2.1 GENERAL ...................................................2-1

2.2 CONTROL ...................................................2-2

2.3 INSTALLER INTERFACE ........................................2-2

2.4 TANKLESS DOMESTIC HOT WATER MODES.......................2-4

2.5 ADDING DOMESTIC HOT WATER STORAGE.......................2-4

2.6 SPACE HEATING ..............................................2-5

2.7 SEQUENCE OF OPERATION ....................................2-6

3.0 STARTUP AND COMMISSIONING ....................................3-1

3.1 LIGHTING AND SHUTTING DOWN THE BOILER ....................3-1

3.2 PRIOR TO START-UP ..........................................3-2

3.3 COMMISSIONING .............................................3-2

3.4 FUEL CONVERSION ...........................................3-4

4.0 MAINTENANCE ...................................................4-1

4.1 BOILER / WATER HEATER MAINTENANCE ........................4-1

5.0 TROUBLESHOOTING ..............................................5-1

5.1 PRELIMINARY CHECKS ........................................5-1

5.2 ELECTRONIC COMPONENTS ...................................5-2

6.0 DIAGRAMS.......................................................6-1

6.1 PARTS DIAGRAMS ............................................6-2

6.2 WIRING DIAGRAMS ...........................................6-6

CONTENTS

IBC DC Series User Manual

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