
Periodic Maintenance
Wipe the outside surface with a wet cloth, then dry the surface. Use a neutral detergent to clean any stains.
If an external condensate neutralizer is installed, periodic replacement of the neutralizing agent will be required.
Refer to the instructions supplied with the neutralizer for suggested replacement intervals.
•
Do not use benzene, oil or fatty detergents to clean the remote controller;
deformation may occur.
•
The remote controller is water resistant but not water proof. Keep it as dry as possible.
Unit
Remote Controller
Wipe the surface with a wet cloth.
69
Summary of Contents for NRC661-DV
Page 17: ...NR501 OD NR662 OD Thermistor Cold Water Thermistor Hot Water Gas Proportioning Valve 17...
Page 19: ...19 5 Operation Flow Chart Water heating Shutdown procedure Ignition operation NR501 OD...
Page 20: ...Water heating Shutdown procedure Ignition operation 20 NR662 OD...
Page 71: ...located 71...