Takagi AT-KJr3U-IN Installation Manual And Owner's Manual page 31

3. Crimp the "Fork terminals" to the cable. (Fig. C)
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.
Fig. D-2
Inlet for the remote
controller cable
Connecting 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. Put the remote controller cable through the hole at the bottom of the water heater's casing from
outside.
5. Properly connect the two terminals attached to the end of the remote control wires to the terminals
for the remote controller on or near the computer board with the screws. (No polarity)
* Do NOT jump or short-circuit the wires, or the computer will be damaged.
6. Replace the water heater's front cover securely.
Fig. E-1
110U (AT-KJr3U-IN/OS) and 310U (AT-K5U-IN/OS)
Connect other end to these terminals
Cut out
Wires used for the remote controller connection must be:
• Minimum 20 gauge wire (No polarity)
• Maximum 400 ft. (122 m) long
9009069005
(TM-RE42)
Front of remote Connect other end to these terminals
31
Fig. C
Remote controller cable
Fig. D-1
Remote controller
terminals
Remote controller cable
Fig. E-2
510U (AT-D3U-IN/OS)
Page
Installation Manual
Installation
1-3/8 Inch
(35 mm)
Fork
Terminals
1-5/8 Inch
(41 mm)
Two fork terminals
9009069005
(TM-RE42)
Front of remote