Lochinvar 150 - 800 manual

NOTES

Image 35

Contents

Models 150 Contents Niosh stated First Aid Please read before proceedingHandling ceramic fiber materials Troubleshooting What is in this manual?Service Maintenance Armor water heater display Service Control inputs Control outputs Saving parameters General OperationHow the water heater operates Sequence of operation Sequence of operation Use this procedure to access menus from the display panel Display panel menu access Button Operation Display Comments Display panel parameter access WHR Parameter table Not used Data logging Viewable and changeable control parameters Not used Control modes WHR settingsFunctions Circulation pumps Service Notification Owner maintenance Maintenance Maintenance and annual startupService technician Maintenance Check water heater relief valve Flue vent system and air pipingCheck water system Check expansion tank Perform start-up and checks Check ignition ground wiringCheck all water heater wiring Check control settings Oiled bearing circulators Check flame signalCleaning heat exchanger Review with owner Check the following TroubleshootingBefore troubleshooting Check control module fuses Unit Does Not No DisplayNo Burner Operation Temperature F Resistance Ω Checking temperature sensors Opening NoisyNo Pump Relief Valve GV/Relay Flow SwitchFlame Sequence No Flame Ign Running No Flame Fan Speed Low Manual ResetHigh Limit Fan Low Sensor Shorted Fan HighFan Speed High Sensor Open Progr Rem Ctrl FltParameters Low 24 VAC Service BlkWatch Dog Error No Error Stored Gas Supply Pressure Combustion Analysis ProcedureGas Valve Adjustment Or Obstruction Model Gas valve adjustment procedureModels 150 Models 600 4Gas Valve Adjustment Model

Lochinvar 150 - 800 service manual

Models: 150 - 800