Takagi 160X3P Installation Manual And Owner's Manual page 40

INSTALLATION
• Before changing pipes and DIP switch settings, make sure that electrical power and gas service
and water supply to the water heater are turned OFF. Failure to do so may result in bodily
injury, death, or property damage.
• Improperly connected pipes can cause water leaks. Make sure that each o-ring is installed and
WARNING
in good condition. Each of the metal fasteners should snap into place and spin freely around
the joint once seated.
Crossover valve procedure
1. Turn off the power supply to the water heater.
2. Remove the front cover and built-in controller operational panel.
3. Use the image below as reference to locate the pipes and
connections that will be changed
Pump
4. Locate Joints "E" and "B" and remove as indicated in the image
below. Remove Joins "E" and "B" from the water heater as
shown.
Metal
Fastener
Joint "E"
Joint "B"
40 On-Demand Water Heater Installation Manual and Owner's Guide
Step 12:
Joint "D" (Plug)
Joint "E"
Joint "B"
Joint "E"
Joint "B"
Water connections
5. Remove the metal fastener connecting Joint "E" to Joint "B".
Reattach the metal fastener to Joint "E" and store this with your
water heater. It will not be used in this configuration but may
be needed later if piping configurations are changed.
6. Remove the metal fastener on Joint "D" and detach the plug.
Reattach the plug to Joint "F". Attach the metal fastener to
secure the connection at Joint "F". NOTICE: The plug MUST be
installed into Joint "F". DO NOT proceed to the next step until
this is completed.
Plug
Joint "D"
Metal Fastener
Joint "D"
Joint "F"
Metal
Fastener
Joint "F"
Plug