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Solar In-Roof Mounting Instructions
The Gasokol in-roof panel array is made up of 2 or more panels.
There is always a "lead panel" supplied. This is the panel with the built in sensor port.
The lead panel must always be mounted on the right hand side of the roof. The output of this
panel should be connected to the top of the solar coil.
Step 1. Remove the tiles from the chosen area, the upper part of the panel should be
at least two rows down from the ridge tile.
Step 2. Carry the lead panel up to the roof using the straps supplied. There are wooden
laths at the back which sit onto the roof batons. The lead panel with the sensor connection
must be the installed to the right of any other panels.
Step 3. Carry up the remaining panels to the roof and slide from the left until the
joining edges interlink.
Step 4. Connect the pipework at the top of the panel. The seal is
already present and does not require any sealing compound. Connect the roof pipes.
Step 5. At this stage it is worth pressure testing the panels,
to check fittings are tight, as it is very difficult to correct any
leaks when the panels are flashed in place. Use the filling station to
fill and flush with the water/antifreeze mix and pressurised to just 4.5
bar for testing. Normal operating pressure will be 3-3.5 bar Take care that
there is an expansion vessel and safety valve on the line, so that if the
sun heats the panel there is expansion path available. The pressure vessel
must be sized not only to absorb the increased expansion but also the increased
volume as steam forms in the collectors.
Note: it is not possible to empty the panel so the antifreeze mix should
be used at this stage.
Step 6. Screw down the panels using the 150mm long screws and black spacers.
Attach the L-Brackets to the side of the panel.
Step 7. Fit moulded fittings to bottom of the panels
Step 8. The middle aluminium strip covers can now be fitted.
A rubber mallet should be used for this. The screw hole must be at the top.
Screw into place.
Fitting the Flashing
When ordering flashing it is necessary to specify whether the roof is tiled or slated.
The tiled flashing has a skirt at the bottom which adjusts to the tile profile. It is
sometimes also necessary to add an extra baton thickness on the bottom row to bring the
tile out to meet the flashing.
When ordering flashing, it is necessary to specify whether the roof is tiled or slated.
The tiled flashing has a skirt at the bottom which adjusts to the tile profile. It is
sometimes also necessary to add an extra baton thickness on the bottom row to bring the
tile out to meet the flashing.
Step 1. The lowest left part of the flashing is fitted first. Screw home.
Step 2. Fit the bottom flashing on the left and middle next. There is a joining
piece must be flush with the panel. This is to cover the expansion gaps of 2 panels.
Step 3. The side flashing is made up of two sections, push the bottom section up
until it is level with the bottom of the panel. Engage the lip of the flashing
with the edge of the panel. Push the top section over the bottom until it is
level with the marker line. Screw to side of panel. Fix other side of the
flashing with small clips supplied.
Note: Do not deform the flashing when screwing down the clips as it may allow
water to penetrate.
Step 4. Fit the top left hand side flashing next, push the flashing up under the
tile, engaging the profiles as you do. Fix with 2 clips, leaving at least an inch
from the top and bottom.
Step 5. Slide the flashing on the right into the groove on the left, continue for each
panel working from the left.
Step 6. Fix the foam to the top and sides of the panel. Replace the tiles to leave
about ½" around the panel.
Step 7. Adjust the skirting at the bottom to match the tile profile.
Leave 350 mm at the edge.
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