Code Requirements; Location - Rheem 199,000 Btu/hr User Manual

High efficiency condensing tankless water heater
Hide thumbs Also See for 199,000 Btu/hr:
Table of Contents

Advertisement

WARNING
- Keep the unit area free
and clear of combustible
materials, gasoline, and other
flammable vapors and liquids.
- Combustion air must not be
drawn from areas containing
corrosive air from swimming
pools or spas, including air
directly next to outdoor pools
and spas.
- The unit must not be
exposed to water leaks from
piping or components located
overhead. This includes
condensation dropping from
un-insulated cold water lines
overhead.
- Ensure the gas ignition
system components are
protected from water (dripping,
spraying, rain, etc.) during
appliance operation and when
servicing (pump replacement,
condensate trap servicing,
control replacement, etc.)
-California Proposition 65
This product contains
chemicals known to the
state of California to cause
cancer, birth defects, or other
reproductive harm.
INSTALLATION
TANKLESS WATER HEATER 199

1.2 CODE REQUIREMENTS

he Tankless Water Heater is is certified under CSA 4.3 / ANSI Z21.10.3.
T T he Tankless Water Heater
The installation must conform to the requirements of the authority having
jurisdiction or, in the absence of such requirements, to the National Fuel Gas
Code, ANSI Z223.1/NFPA 54, and/or Natural Gas and Propane Installation Code,
CAN/CSA B149.1. The installation must also conform to the Canadian Electrical
Code Part 1 CSA C22.2 No.1 and/or the National Electrical Code ANSI/NFPA 70.

1.3 LOCATION

The unit is designed and approved for indoor installation. Its venting options
The
provide flexibility of location; for example, placement in an alcove, basement,
utility room or closet. The unit is approved for installation in a closet (see Table 2
for clearances to combustibles).
Conditions for safe installations
Ensure that the surrounding conditions are between 32°F [0°C] and 122°F [50°C]
and less than 90% relative humidity.
Install the unit in areas where the combustion air source is free of
contamination.
Exposure to corrosive chemical fumes such as chlorinated and/or
fluorinated hydrocarbons can reduce the life of a water heater. Cleaners,
bleaches, air fresheners, refrigerants, aerosol propellants, dry-cleaning fluids,
de-greasers and paint-removers contain vapors that can form corrosive acid
compounds when burned in a gas flame. Also avoid airborne chlorides such as
those released with the use of laundry detergents.
This unit must not be installed in an area where water leakage will result in
damage to the areas adjacent or below the unit. When such areas cannot be
avoided, a suitable drain pan with adequate drain must be installed under the
unit.
Water heater fastening
Approximate weight for the empty water heater is 68 lbs / 31 kg. For support
fasteners, use at least two of the four supplied ¼" x 1¾" long lag screws. Installers
must supply 1/4" bolts if metal mounting systems are used. Attach the wall
mounting bracket to a structurally sound wall that is capable of supporting the
combined weight of the unit and piping components which can exceed 150 lbs.
(68kg).
Water heater clearance
Other factors affecting potential mounting sites:
Ensure minimum clearance requirements for combustible materials (see
Table 2) are satisfied.
For ease of access, we recommend a minimum 24" clearance at the front and
24" above. Check local codes for additional access and service clearance
requirements.
At a new construction site, or during renovations, protect the unit from
drywall dust or other construction related contaminants. Combustion air
must be drawn from a CLEAN source (e.g. outdoors) and the unit must be
isolated from interior dust sources.
1-3

Advertisement

Table of Contents
loading

Table of Contents