Rinnai I Series, Installation And Operation Manual

Page: 15 / 136

Rinnai I - Series Condensing Boiler Combi Manual 15
DO NOT install the boiler in an area
where water leakage of the unit or
connections will result in damage to
the area adjacent to the appliance
or to lower floors of the structure.
When such locations cannot be
avoided, it is required that a
suitable drain pan, adequately
drained, be installed under the
boiler. The pan must not restrict
combustion air flow.
DO NOT install the boiler in an area
with negative air pressure.
DO NOT obstruct the flow of
combustion and ventilation air.
DO NOT use substitute parts that
are not authorized for this boiler.
DO NOT install the boiler on
carpeting.
DO NOT
Gather the recommended tools and parts
before starting installation.
Items Needed
•
Pressure relief valve for domestic
hot water (150 PSI / 1,034 kPa)
•
Pressure/Temperature Gauge
Note: When attaching 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 heating
system
•
Isolation valve kit or equivalent
components (for quick isolation of
the boiler for service and/or
maintenance)
•
Air separator
•
Standard tools for central heating,
gas fitting, plumbing and electrical
wiring.
•
Digital manometer capable of
reading both positive and negative
pressure
•
Digital multimeter capable of
reading microamps
•
pH digital meter or test strips
•
For wall mounting bracket
installation:
−
Level
−
Screws (use appropriate screws
for type of wall construction)
Other Items You May Need
•
Combustion analyzer (intended for
use with condensing boilers)
•
Hand truck with fastening belt
•
Ensure the wall is of sufficient
strength to support the weight of the
boiler, piping and any other
components needed for installation;
if it is not, please reinforce the wall as
appropriate.
•
Operating limits of the boiler:
Maximum boiler set
point temperature:
180°F (82 °C)
Maximum operating
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)