2. Installing the Device
This section provides information required to install the ComfortAir
controller in an NPE-180A/240A water heater.
WARNING
Ensure that you have turned off the power to the water heater before installing
the device.
2.1 Basic Principles
The following diagram shows the basic operation of an NPE-180A/240A water heater
system with the ComfortAir
System Diagram
8
Installing the Device
+
add-on controller.
+
add-on