58
Aluminum Series
High Ef
fi
ciency Gas-Fired Boiler
DIELECTRIC ISOLATION & ANTIFREEZE PROTECTION
APPENDIX A - WATER QUALITY, WATER TREATMENT AND FREEZE PROTECTION
WARNING
Follow these instructions to prevent damage to
boiler’s heat exchanger caused by inadequate
dielectric isolation, incorrect water treatment or
antifreeze application. Failure to comply could result
in death or serious injury.
!
• Install boiler so gas ignition system components are
protected from water (dripping, spraying, rain, etc)
during appliance operation and service (circulator
replacement, etc).
• DIELECTRIC ISOLATION
Two (2) 1-1/4” X 1-1/4” Female to female dielectric
isolation unions are shipped loose in boiler parts bag.
Install Dielectric Isolation unions at boiler supply line
and return line. Install isolation
fi
ttings nearest boiler
prior to system piping connections.
• WATER TREATMENT and ANTIFREEZE
PROTECTION
MUST be applied for ALL aluminum series high
ef
fi
ciency gas-
fi
red boilers using antifreeze
protection.
Содержание Dunkirk 4 Series
Страница 12: ...12 NEAR BOILER PIPING Figure 2 Single Zone Boiler Piping SAFETY RELIEF VALVE SEE PAGE 18 FOR REQUIREMENTS ...
Страница 15: ...15 NEAR BOILER PIPING Figure 5 Primary Secondary Piping With Circulators And Domestic Hot Water ...
Страница 31: ...31 Figure 20 Field Wiring Connections ELECTRICAL WIRING SAFETY RELIEF VALVE SEE PAGE 18 FOR REQUIREMENTS ...
Страница 33: ...33 Figure 22 Ladder Diagram for Figure 22 ELECTRICAL WIRING ...
Страница 52: ...52 Troubleshooting Chart 1 TROUBLESHOOTING ...
Страница 53: ...53 Troubleshooting Chart 2 TROUBLESHOOTING ...
Страница 63: ...NOTES ...
Страница 64: ...DUNKIRK BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...