Potterton NXR5i, Assembly Instructions Manual, Page: 42 / 60

42
NXR5i 25/09/2012 - 300029104-001-02
46
Fitting the rails
Rear
Front
A: 14 to 17 sections:
` Fix the upper rail with H8 x 30 screws and L8 washers (the first
hole from the front end of the rail must be opposite the first
fastening bracket, and similarly with the other brackets).
` Push the insulating material behind the lower rail and
underneath the boiler.
`
Join the pieces of insulating material to each other with the
clips.
B: 18 to 25 sections:
` Fix the upper rail with H8 x 30 screws and L8 washers (the first
hole from the front end of the rail must be opposite the first
fastening bracket, and similarly with the other brackets).
` Fix the additional upper and lower rails, making sure you
comply with dimension
A (see table below).
` Push the insulating material behind the lower rail and
underneath the boiler.
` Join the pieces of insulating material to each other with the
clips.
..
A
M0001
1
0
1
2
5
5
A B
5
4 5
Boiler
Package Package
NXR5i-14
- FA24
NXR5i-15
- FA25
NXR5i-16
- FA26
NXR5i-17
- FA27
NXR5i-18
FA16 FA17
NXR5i-19
FA16 FA18
NXR5i-20
FA16 FA19
NXR5i-21
FA16 FA20
NXR5i-22
FA16 FA21
NXR5i-23
FA16 FA22
NXR5i-24 FA16 FA23
NXR5i-25 FA16 FA24
Length required while assembling the 2-piece rails (boilers with 18 to 25 sections):
Number of sections
18 19 20 21 22 23 24 25
A (mm) 2500 2615 2765 2875 2965 3075 3165 3275