Lochinvar ER402, ER152, ER302, ER202, ER252 manual Operating instructions

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User’s Information Manual

2Operating instructions

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Contents User’s Information Manual Contents Hazard definitionsPlease read before proceeding Spa and hot tub safety CodesMaintenance schedule Service technician Owner maintenanceGeneral If combustion or performance indicate needMaintenance schedule Check vent pipingCheck air inlet piping if applicable Check relief valve if applicableTest low water cutoff if installed Reset button low water cutoffOperate relief valve if applicable Check pool heater piping gas and waterOperating instructions EnergyRite control module 1Control PanelModes of operation Setup menu Off modeService menu Page ERP-USER-Rev a 3/07