Ambirad Vision VSO Series Руководство по сборке и эксплуатации - Страница 6
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Печатать страницу2.2.6 U Bend.
Slide U bend (C) into the open end of the
couplers ensuring the pre-fitted bolts engage in
the precut holes. Tighten all four clamping bolts
to provide a tight grip between tubes & U bend.
To avoid damaging the heater whilst
installing we recommend the heater
chassis be suspended prior to fitting reflectors.
2.2.7 Reflectors
There are three reflector section types used in
the construction on the Vision Optima heater.
1.
Overshield reflector (J): located on the
underside of the inner reflector positioned
above and in parallel to the radiant tubes.
The two ends of the overshields are
different to allow for thermal expansion
and should be fixed in the correct order as
detailed in the assembly drawings.
2.
Inner Reflector (H): aluminised steel
reflectors located over the radiant tubes to
emit the heat downwards.
3.
Outer Canopy (L): pre-coated decorative
reflector positioned to the outside of the
reflector. The outer canopies come in two
halves for ease of assembly and are held
together by closing plates (N).
2.2.7.1 Overshield Reflectors
Remove the protective plastic coating.
Overshields MUST be fitted prior to
the assembly of the reflectors.
Overshields (J1) are fitted to the underside of,
and run in parallel to, the inner reflectors.
One end of the overshield has two holes for
direct fixing to the reflector, the other end has
two larger slots which along with an expansion
fixing plate allows for thermal expansion.
The overshields are supplied in two
lengths and MUST be arranged, in the
correct directions and on the specific
reflector order as indicated in the
detailed drawings.
1. Locate and position correct overshield and
offer to the underside of the reflector so that the
location holes are in line.
2. Using bolts, nuts and washers provided,
fasten through the overshield, reflector and
cross member (J2) which runs across the top.
3. The larger holes located at the other end of
the overshield should line up with the holes in
the reflector. This end is allowed to 'float' with
thermal expansion and as such, an expansion
plate (J3) is added and placed to the underside
of the overshield.
4. Using bolts, nuts and washers provided,
fasten through the expansion plate, overshield,
reflector and cross member which runs across
the top.
5. Continue for other reflectors.
Doc No. 700021 Page 6 of 20