Installation Manual

30 Canadian Air Handler Installation and Operation
Cold Water
Supply Line
Hot Water Outlets
Thermostat
Thermostatic
Mixing Valve
Rinnai Canadian Air
Handler
1. Plumb the water out/supply of the Rinnai
tankless water heater or boiler to the inlet (top
connection) of the air handler.
2. Plumb the air handler water outlet (bottom
connection) to the water inlet/return of the
Rinnai tankless water heater or boiler.
• Refer to section “4.8 Plumbing Requirements” for complete plumbing requirements.
• For standard installations, refer to the piping diagrams in sections 5.7.1 and 5.7.2.
• For more information on the tankless water heater or boiler plumbing connections, refer to
the unit’s Installation and Operation Manual.
• Water connections to the air handler should follow all state and local plumbing codes.
This is not an engineering drawing; it is
intended only as a guide and not as a
replacement for professional engineering
project drawings. This drawing is not intended
to describe a complete system. It is up to the
contractor or engineer to determine the
necessary components and configuration of
the particular system to be installed. The
drawing does not imply compliance with local
building code requirements. It is the
responsibility of the contractor or engineer to
ensure the installation is in accordance with all
local building codes. Confer with local building
officials before installation.
Water Inlet
Cold Water From Air
Handler Returning to
Water Heater/Boiler
Hot Water From
Water Heater/
Boiler into Air
Handler
Water Outlet
IMPORTANT
See page 31 for Legend
Condensation Drain Line as
Appropriate
Recommended Rinnai
Domestic Priority Switch
Gas Supply Line