User manual

Installation & Servicing Instructions Rinnai Q-Series

6.7 Vent system and air supply system

Provisions for combustion and ventilation air must be made in accordance with section,

Air for Combustion and Ventilation of the National Flue Gas Code, ANSI Z223.1,

or Sections 7.2, 7.3 of 7.4 of CAN/CGA B149.1, Installation Codes, or applicable

provisions of the local building codes.

- Do not store chemicals near the boiler or in rooms where the air is being supplied

to the boiler. See the list on page 10.

- Do not allow the ﬂ ue gases of other appliances to enter the boiler.

- Keep cabinet free of moisture

In the event that the system has actuated to shut off the main burner gas,

do not attempt to place the boiler in operation. Contact a qualiﬁ ed service

agency.

6.7.1 Intake / Exhaust Guidelines

Refer to the speciﬁ c instructions on your vent product for additional installation

requirements.

• For direct vent boilers, proper reassembly and resealing of the vent-air intake

system.

• You must use vent components that are certiﬁ ed and listed with this model.

• Do not combine vent components from different manufacturers.

• Venting should be as direct as possible with a minimum number of pipe ﬁ ttings.

• Avoid dips or sags in horizontal vent runs by installing supports per the vent

manufacturer’s instructions.

• Support horizontal vent runs every four feet and all vertical vent runs every six

feet or in accordance with local codes.

• Vent diameter must not be reduced.

• The boiler is unsuitable to install on a common vent installation, see also chapter 20.

• Do not connect the venting system with an existing vent or chimney.

• Do not common vent with the vent pipe of any other water heater or appliance.

• Vent connections must be ﬁ rmly pressed together so that the gaskets form an air

tight seal.

• Refer to the instructions of the vent system manufacturer for component assembly

instructions.

• If the vent system is to be enclosed, it is suggested that the design of the enclosure

shall permit inspection of the vent system. The design of such enclosure shall be

deemed acceptable by the installer or the local inspector.

If it becomes necessary to access an enclosed vent system for service or

repairs, Rinnai is not responsible for any costs or difﬁ culties in accessing

the vent system. Warranty does not cover obtaining access to an enclosed

vent system.

NOTICE