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GAS-FIRED, DIRECT VENT,
CONDENSING,
HOT WATER BOILER
INSTALLATION, OPERATION &
MAINTENANCE MANUAL
An ISO 9001-2008 Certified Company
P/N# 240010121, Rev. C [05/2013]
Manufactured by:
ECR International, Inc.
2201 Dwyer Avenue, Utica NY 13501
web site: www.ecrinternational.com
Models
Q90-50
Q90-75
Q90-100
Q90-50/75/100 Series 4
Summary of Contents for Dunkirk 4 Series
Page 33: ...33 Figure 22 Ladder Diagram for Figure 22 ELECTRICAL WIRING ...
Page 52: ...52 Troubleshooting Chart 1 TROUBLESHOOTING ...
Page 53: ...53 Troubleshooting Chart 2 TROUBLESHOOTING ...
Page 63: ...NOTES ...
Page 64: ...DUNKIRK BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...