21
25/09/2012 - 300029104-001-02
NXR5i
16
Fitting the upper and lower front flanges
`
Fit the plain flange onto the upper connection of the front section (using 4 H 18 nuts), with the Ø 170x222 gasket in between (first soak
the gasket in warm water).
`
Fit the flange with the sludge removal hole onto the lower connection of the front section (hole in the lower part of the flange) using 4 H
18 nuts, with the gasket in between (soak in warm water first).
17 Hydraulic test
After assembling the boiler body, the installer must carry out a water tightness test at a pressure equal to 1.3 times the operating
pressure (that is 7.8 bar mini) for 10 minutes at least.
The test must be done at room temperature.
1
Fit a square flange with hole facing upwards onto the upper flange with outlet piece.
Fit a blind square flange onto the lower flange with return piece.
M000075
1
2
M000076
Summary of Contents for NXR5i
Page 1: ...NXR5i Fuel oil gas boilers Assembly Instructions C003966 A 300029104 001 02 EN ...
Page 46: ...46 NXR5i 25 09 2012 300029104 001 02 51 L000068 B C003955 B 3 4 2 4 4 1 ...
Page 47: ...47 25 09 2012 300029104 001 02 NXR5i 52 53 C003956 B 1 3 4 2 C003957 ...
Page 57: ...57 25 09 2012 300029104 001 02 NXR5i ...
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