Rinnai Commercial Hybrid System Installaon and Operaon Manual
INSTALLATION AND OPERATION MANUAL
Demand Duo™
Commercial Hybrid Water Heang System
1-800-621-9419
rinnai.us
If the informaon in these instrucons is not followed exactly, a re or
explosion may result causing property damage, personal injury, or death.
• Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any other
appliance.
• WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in your building.
Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instrucons.
If you cannot reach your gas supplier, call the re department.
• Installaon and service must be performed by a qualied installer, service agency or the gas supplier.
WARNING WARNING
Demand Duo™ Model
CHS199100CU
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