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6.1.1
i
NOTICE
Compression fittings.
Parts:
1. Nut
2. Ferrule
3. Fitting
Fitting instructions:
1
2
3
Plumbing Kit installation
20
Plumbing Kit installation
Rinnai supplies specific Plumbing Kits with each boiler type, which must be fitted
directly underneath the boiler on the supply and return pipe. Find in chapter 5.3 the
dimensions. Use of the Rinnai boiler without the plumbing kit will void the warranty.
To protect the entire heating system we recommend installing a dirt particle trap
in the return circuit. When the boiler is installed to an existing heating system
this trap is required. Use of a Y strainer is not permitted as a substitute for a
dirt trap.
- Install shut-off valves immediately before and after the dirt particle filter to allow
the trap to be cleaned.
- Position 3 (figure 8) is a garden hose thread boiler drain that can be used to drain
the boiler or add water treatment additives to the system such as inhibitors or
glycol.
- Position 4 (figure 8) is the supply connection for an indirect tank when used with
the optional 3-way valve kit.
- For information on locating the expansion tank and system fill, please see the
Rinnai Boiler Applications Manual.
i
NOTICE
Clean pipe ends thor-
oughly. The outside
sur face has to be
smooth before fitting.
1. Push the complete
fitting over the pipe as
far as possible. Ferrule
should be over the
pipe completely.
2. Turn the nut handtight
clockwise.
3. Use 2 wrenches, one
to hold the fitting in
place, the other for
tighten the nut clock-
wise in 3/4 turn.
Do not overtighten these fittings when
!
WARNING
connecting flow and return pipe to the
plumbing kit. Max. 150Nm / 100 foot-
pounds (ft lb) / 1327 inch-pounds (in
lb). Failure to follow these instructions
may result in leakage causing property
damage and would not be covered
under warranty.
figure 8
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