Rinnai I-Series Condensing Boiler Combi Manual 15
DO NOT install the boiler in an area
where water leakage of the unit or
connecons will result in damage to
the area adjacent to the appliance
or to lower oors of the structure.
When such locaons cannot be
avoided, it is required that a
suitable drain pan, adequately
drained, be installed under the
boiler. The pan must not restrict
combuson air ow.
DO NOT install the boiler in an area
with negave air pressure.
DO NOT obstruct the ow of
combuson and venlaon air.
DO NOT use substute parts that
are not authorized for this boiler.
DO NOT install the boiler on
carpeng.
DO NOT
Gather the recommended tools and parts
before starng installaon.
Items Needed
• Pressure relief valve for domesc
hot water (150 PSI / 1,034 kPa)
• Pressure/Temperature Gauge
Note: When aaching the pressure/
temperature gauge, please comply
with applicable codes and the ASME
standard.
• Low loss header or closely spaced
tee
• Expansion tank for a closed heang
system
• Isolaon valve kit or equivalent
components (for quick isolaon of
the boiler for service and/or
maintenance)
• Air separator
• Standard tools for central heang,
gas ng, plumbing and electrical
wiring.
• Digital manometer capable of
reading both posive and negave
pressure
• Digital mulmeter capable of
reading microamps
• pH digital meter or test strips
• For wall mounng bracket
installaon:
− Level
− Screws (use appropriate screws
for type of wall construcon)
Other Items You May Need
• Combuson analyzer (intended for
use with condensing boilers)
• Hand truck with fastening belt
• Ensure the wall is of sucient
strength to support the weight of the
boiler, piping and any other
components needed for installaon;
if it is not, please reinforce the wall as
appropriate.
• Operang limits of the boiler:
Maximum boiler set
point temperature:
180°F (82 °C)
Maximum operang
pressure:
45 psi (3.1 bar)
Maximum allowable
working
temperature ASME:
210°F (99°C)
Maximum allowable
working pressure
ASME:
45 psi (3.1 bar)