HEATING MAIN MONTAGE INSTRUCTIONS CV4.04
3. CUTTING OF THE PREINSULATED PIPE
If it is required to shorten the length of the preinsulated pipe or is required to have fixed
length pieces, proceed accordingly:
1. On polyethylene casing mark
cutting place and from it on both
ends (distance of 150 to 180 mm)
clean section from insulation.
2. Cut the pipe in the marked place
along pipe circumference. With
sloped
ring
cut
the
casing
removable portion. Remove cut out
casing section.
3. Remove carefully the foam from
the middle section with the knife so
that wires stay untouched. Cut
alarm system wires. Clean all foam
insulation up to pipe casing. It is
unacceptable to have any sort of
damage done to the wires while
cutting, pulling, etc.
Cut main heating pipe. Cutting with gas torch, it is required to protect casing pipe and
polypropylene (PUR) isolation from over heating. Clean ends of the heating pipe from
foam leftovers. Cut pipe at the designated spot.
3.1.
cut line
cut
cleaning section
perpendicular cut
