Rinnai
2
HW Demand Duo Systems OIM
Congratulations on the purchase of your Rinnai Demand Duo System. We trust you will have many years of
comfort and enjoyment from your appliance.
IMPORTANT
BEFORE USING THIS APPLIANCE
Before proceeding with the operation or installation read this manual thoroughly and gain a full
understanding of the appliance, to ensure safe and correct use.
IMPORTANT NOTICE FOR INSTALLERS
Please leave these instructions with the end user after commissioning of the system and alert the
end user of the content sections "Warnings and "Periodic Inspection" and "Maintenance".
Not suitable as a pool or spa heater.
This manual must be read and understood before
installation, commissioning and operation of water heaters
and flue systems are attempted. The information
contained in other Operating / Installation instructions
supplied with water heaters applies in full, unless
otherwise dictated in this manual.
This appliance must be installed in accordance with:
• Manufacturer’s Installation Instructions
• Current AS/NZS 3000, AS/NZS 3500, AS/NZS 5601
• Plumbing Code of Australia (PCA)
• Local Regulations and Municipal Building Codes
including local OH&S requirements
This appliance must be installed, maintained and removed
ONLY by an Authorised Person.
For continued safety of this appliance it must be installed
and maintained in accordance with the manufacturer’s
instructions.
W169
SAI Global
W208
SAI Global
All Rinnai gas products
sold in Australia
are A.G.A. certified.