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6.7.3
i
NOTICE
i
NOTICE
i
NOTICE
i
NOTICE
A
boiler conversion from concentric to parallel
A. 1. Push the 2 clips slightly outwards
B. 2. Pull the concentric adaptor out of the boiler
3. Press the cover in the connection at the back from inside out
C. 4. Push the 3" adapter into the connection at the back of the boiler (= air intake)
5. Pull the rubber seal around the bottom of the exhaust connector
6. Push the exhaust connector in the boiler, in the boiler exhaust pipe until 'CLICK'
7. Push the 5" cover over the exhaust connector in the 5" opening until 'CLICK'
8. Push the rubber plug in open position in the O
9. Push the gasket around the top of the exhaust connector
10. Push the 3" exhaust adaptor in the exhaust connector.
D. Connect the parallel vent system.
32
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Installation of the vent system
Consult local and state codes pertaining to special building code and fire
department requirements. Adhere to national code requirements.
Follow the listed maximum length of vent systems, which are boiler output
dependent. The maximum permissible lengths are listed in table 9, chapter 6.7.6.
Decide how to install the exhaust and air intake system. You can choose among:
- Concentric system
The concentric connection is provided standard initially.
The boiler concentric connection diameter is 3"/5" (80/125 mm), to which the venting and air
supply system can be fitted, with or without elbow pieces. The maximum permissible pipe
length is displayed in table 9, chapter 6.7.6.
- Parallel system
The boiler can be converted to a parallel system with supplied adapters.
It is possible to use a parallel pipe connection of 2x 3". In this case a separate supplied
kit, with 2 vent adapters 3" (ø80mm), cover 5" (ø125mm), vent exhaust pipe and gaskets
should be fitted instead of the concentric vent adapter on top of the boiler. See figure 15
for installation. The maximum permissible pipe length is set out in table 9, chapter 6.7.6.
- Room Air System (indoor combustion air)
The boiler can use room air for combustion. If this option is selected the boiler must first be
converted to the Parallel system. A single exhaust pipe can then be fitted. It is required to
use a room air filter when using indoor air for combustion. The maximum permissible pipe
length is set out in table 9, chapter 6.7.6.
When the boiler is installed in any of the areas listed in chapter 5.1, "Areas likely to
have contaminants" or any area exposed to the contaminants listed in chapter 5.1,
then sealed combustion is required.
We advise to install a vent system out of the venting system program supplied by
Rinnai (See chapter 19 Parts list Vent system). For further information about the
available components of the venting and air supply system we recommend you
consult Rinnai and the Installation instructions and parts list documentation.
B
2
3
1
C
10
9
7
4
6
8
5
measuring opening and close the stop.
2
D
figure 15
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