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Appliance location
Installation in environments free from corrosive compounds
Air surrounding the water heater, venting and vent termination(s) is used for combustion and
must be free from compounds that cause corrosion of internal components. These include
corrosive compounds that are found in aerosol sprays, detergents, bleaches, cleaning solvents,
oil based paints/varnishes, and refrigerants. Therefore Rinnai recommends outdoor models
be used for these locations where possible. The water heater, venting and vent termination(s)
should not be installed in any areas where the air may contain these corrosive compounds.
If it is necessary for a water heater to be located in areas which may contain corrosive
compounds, Rinnai strongly recommends the following:
Indoor/internal water heaters:
•
DO NOT install in areas where contaminated air is present
•
Consider before installation where air has the ability to travel within the building
•
Chemicals that are corrosive in nature should not be stored or used near the water heater
•
Where possible, install the water heater in a sealed closet so that it is free of contaminated
indoor air
Outdoor/external water heaters and vent terminations of indoor/internal water heaters:
•
Install as far away as possible from exhaust vent hoods
•
Install as far away as possible from air inlet vents—corrosive fumes may be released
through these vents when air is not being brought in through them
•
Chemicals that are corrosive in nature should not be stored or used near the water heater
or vent termination
Damage and repair due to corrosive compounds in the air is not covered by warranty.
Internal models
Internal models are designed for indoor installations only. They may be installed
in an enclosure if the requirements of NZS 5261 are satisfied. An enclosure is
defined as a compartment, enclosed area or partitioned off space primarily used
for the installation of the appliance. If installed in an enclosure either internally or
externally, the location should be ventilated to allow gas to dissipate.
They must be mounted on a vertical structure with the water and gas connections
on the underside pointing downwards. For appliances installed in roof spaces or elevated
structures, specific requirements apply. Refer to NZS 5261 section 1.6 for details.
This appliance MUST be used with an approved Rinnai flueing system. The use of a non-Rinnai
flueing system may result in a dangerous situation and violates regulations.
This appliance must be located so that the flue terminal exits the building at a suitable point,
refer 'Minimum Clearances Required for Flue Terminals', NZS 5261:2003.
Manufacturer's instructions for model REU-KM3237FFUD (EFi250); for reference j, gas
appliances over 200 MJ/h input, use ≥ 300 mm.
Rinnai New Zealand Ltd.
Continuous Flow Water Heater Installation Manual:
4
03-11
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