Lochinvar 51 - 211 manual WBII-USERRev D 04/12

Models: 51 - 211

1 16

Page 16

Revision Notes: Revision A (ECO C05747) initial release. Reflects the new model numbers for the Knight Wall Mount upgrade.

Revision B (ECO C07072) reflects the change in design of the manual air vent and the update of FIG. 2-3 on page 8.

Revision C (ECO #C09161) reflects updates made to the SMART SYSTEM control (ECR #R04523).

Revision D (ECO #C10143) reflects updates made to the ignition timing information.

04/12

Image 16

Contents

WBII-USERRev D Save this manual for future referenceUser’s Information Manual Models WHAT TO DO IF YOU SMELL GASHazard definitions DANGERCAUTION CAUTION NOTICE ContentsBoiler service and maintenance Please read before proceedingBoiler operation Boiler water1 Prevent combustion air contamination Table 1A Corrosive Contaminants and SourcesProducts to avoid Areas likely to have contaminants2 Maintenance schedule Service technicianOwner maintenance GeneralMaintenance procedures Boiler must be serviced and maintainedCheck pressure/temperature gauge Check vent piping2 Maintenance schedule continued Figure 2-1 Condensate TrapCondensate disposal Figure 2-2 Condensate DisposalTest low water cutoff if installed Reset button low water cutoffCheck air vents Operate relief valve3 Operating instructions User’s Information ManualAccess modes Installer4 SMART SYSTEM control module Knight wall mount control moduleTemperature Units 4 SMART SYSTEM control module continuedNight Setback Override Space heating SH1, SH2, SH3 and tank set pointsIndicators Boiler StatusCall for Heat Status Display Screens4 SMART SYSTEM control module continued InformationOperational Status Display Screens cont’dDial Function key functionNAVIGATION RIGHT SELECTUser’s Information Manual WBII-USERRev D 04/12