Utica Boilers UB95M-200 Operation and Installation Manual
Contents
1. Secr Technical Bulletin innovative living 2201 Dwyer Ave e P O Box 4729 e Utica NY 13504 4729 e Ph 315 797 1310 e Fax 315 797 3762 e E Mail info ecrinternational com e Web www ecrinternational com BULLETIN NO 090507 DATE 05 07 09 PRODUCT All 95M 200 Boilers FROM Technical Service Department TITLE Line Voltage Monitor MODELS AFFECTED 95M 200 SITUATION There have been reported incidents regarding E 04 lockouts on the 95M 200 boilers due to low voltage or brownout conditions An E 04 error code is intended to indicate that there has been a hard lockout followed by a loss of power For example e Onacall for heat the boiler fails to ignite The boiler will lockout and display the E 02 error code e Then while locked out there is a power loss Upon power being restored E 04 is now displayed and the control remains in a hard lockout This alerts you that a hard lockout error occurred prior to the power loss Low voltage conditions can cause the Honeywell MCBA boiler control to lockout and display an erroneous E 04 code These reports have been limited to certain applications and are not widespread SOLUTION A Line Voltage Monitoring control has been developed to insure that the Honeywell MCBA operates only under full power The operation of this line monitoring device is to insure that proper power is supplied to the Honeywell MCBA control In the event the incoming power approaches unacceptably low2. levels the line monitor will shut down power to the control preventing operation and preventing an E 04 hard lockout Production models Starting with boilers manufactured May 1 2009 the Line Voltage Monitor is installed as standard equipment See photos 1 amp 2 TECHNICAL BULLETIN In Field Product The Line Voltage Monitor is available in kit form Kit no 550001996 for easy installation on any boiler If you have experienced unexplained E 04 error codes please contact our technical service department at 1 800 325 5479 If you have any questions regarding the information contained in this bulletin please contact our technical service department at 1 800 325 5479 LOCATION OF LINE MONITOR SHOWN WITH PROTECTIVE COVER IN PLACE PHOTO 1 FRONT VIEW OF BOILER FROM OVERHEAD WITH FRONT PANEL REMOVED LOCATION OF LINE MONITOR SHOWN WITH PROTECTIVE COVER REMOVED PHOTO 2 RIGHT SIDE VIEW OF BOILER WITH FRONT PANEL REMOVED
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