Rinnai E75CRN Installation & Servicing Instructions Manual page 93

Boiler basic piping
Compression fittings.
Parts:
1. Nut
2. Ferrule
3. Fitting
Fitting instructions:
1 2
3
Plumbing Kit installation
P
Low Loss Header
T
V1
Service valve
1
2
3
i
NOTICE
Clean pipe ends tho-
roughly. 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.
pounds (ft lb) / 1327 inch-pounds (in lb). Failure to follow these
instructions may result in leakage causing property damage
3. Use 2 wrenches, one
and would not be covered under warranty.
to hold the fitting on
its place, the other
for tighten the nut
clockwise in 3/4 turn.
sure the gauge is fitted leak free and that the handles are secured
with the supplied nuts.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. expansion tank
11.
V2
Service valve
11
7
6
10
4
2
5
8
3
6
Do not overtighten these fittings when
!
WARNING
connecting flow and return pipe to the
plumbing kit. Max. 150Nm / 100 foot-
* After installation of the plumbing kit to the
i
NOTICE
boiler the pressure gauge and both handles
of the service valves must be mounted. Be
shut off valve
system circulator
check valve
balancing valve
boiler drain valve
dirt trap
air separator
automatic fill valve
back flow preventer
bypass for system cleaning
5
8 9
4
1
1. Plumbing kit
2. Safety valve
3. Drain and Purge connection
4. Bronze adapter fittings
5. Service valves*
6. Flow 1 1/4"
7. Return 1 1/4"
8. Pressure gauge*
7
fig. 5
fig. 6
93