
2
Rinnai Corporation EX08C, EX11C Conversion Manual
Safety Symbols
Conversion of the appliance for operation at high altitudes (> 2000 ft, 610 m) requires the completion of the
section,
Adjust Gas Pressure Settings
, using the high altitude manifold test pressures above. No parts need to
be replaced for high altitude.
High Altitude Installation
For high altitude installations in Canada, the conversion shall be carried out by a manufacturer’s authorized
representative, in accordance with the requirements of the manufacturer, provincial or territorial authorities
having jurisdiction and in accordance with the requirements of CAN/CGA-B149.1 or CAN/CGA-B149 installation
codes.
The input rate can be verified by following the procedure in the National Fuel Gas Code (NFPA54 / ANSI Z223.1,
2006 or latest edition).
Technical Data
Indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in minor or
moderate injury. It may also be used to alert against unsafe practices.
This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and
others.
DANGER
CAUTION
WARNING
EX08C EX11C
Natural Gas
Propane Gas
Natural Gas
Propane Gas
Minimum supply gas
pressure
4.5 in
(114 mm) W.C.
8.0 in
(203 mm) W.C.
3.5 in
(89 mm) W.C.
8.0 in
(203 mm) W.C.
Maximum supply gas
pressure
10.5 in
(267 mm) W.C.
13.0 in
(330 mm) W.C.
10.5 in
(267 mm) W.C.
13.0 in
(330 mm) W.C.
BTU/hour input
Low 3000 - High 8000
Low 5500 -
High 11000
Low 5700 -
High 11000
BTU/hour output
Low 4400 -
High 8800
Low 4560 -
High 8800
Low 2400 - High 6400