American Water Heater 240HX3 Installation Manual And Owner's Manual page 38

4. Tighten the two Fork terminals beneath the two Remote
controller terminal screws on the back of the main body. (Fig. D-1)
5. Cut out the inlet for the remote controller cable from the bottom
of the main body. (Fig. D-2)
6. Place the Main body back on the Back plate, with the Remote
controller cable running out of the bottom inlet.
<How to connect the remote controller to the water heater>
1. Disconnect power supply from the water heater.
2. Take off the water heater's front cover.
3. Locate the two terminals for the remote controller in the water heater. (Refer to the Fig. E-1 and E-2.)
4. Take off the back plate from the remote controller, and then attach the two fork terminals to the
connector base on the back side of the remote controller with two screws. Make sure the terminals are
firmly fixed. (See the above instructions for installation of the remote controller.)
5. Pull the remote controller cable through the hole at the bottom of the water heater's casing.
6. Secure both controller cable terminals to the terminals on the computer board as shown below. (Secure
them underneath the screw terminals. No polarity.)
* Do NOT jump or short-circuit the cables, or computer will be damaged.
7. Replace the front cover securely.
Fig. E-1
240HX3
340HX3
Connect other end
to these terminals
Fig. D-2
Inlet for the remote
controller cable
Cut out
100209924
Fig. E-2
540HX3
Connect other end
to these terminals
38
Page
Fig. D-1
Remote controller
terminals
(TM-RE42)
Installation Manual
Installation
Two fork terminals
Remote controller cable
100209924
(TM-RE42)