Rooftop Installation (Interlocking Tile, Plain Tile) Roof Hooks On Rafters - Wolf CFK-1 Installation, Operating And Maintenance Instructions

Fitting the roof hooks to the rafters
(example for 2 collectors)
Fitted top roof hook
Mounting rail
M8x20
coach bolt
Max. 0.4 m
Rail protrusion
Collector array width
Fixing on rafters with
compensating rails
M8x20
coach bolt
3062815_0110
8. Rooftop installation (interlocking tile,
plain tile) roof hooks on rafters
If required, trim or bend
the roof hook over
Mounting rail
1. Fit the bottom roof hooks as per the diagram and secure them with 6x60
woodscrews to the rafters.
2. Fit the top roof hooks as per the diagram; adjust the distance between both
rails to 2.06 m when installing collectors on end using the slot according to
the diagram; secure with M8x20 coach bolts and with 6x60 woodscrews to
the rafter.
3. Adjust the height of the fixing brackets and secure with coach bolts M8x20,
ensuring that the pressure is evenly distributed over the roof tiles.
4. Thread the coach bolts M8x20 in sufficient numbers into the mounting
rails.
5. Fit the mounting rails onto the roof hooks.
6. Cover the roof hook area with tiles.
- Where the tile valley is not above a rafter, fix compensating rails 3 supplied
above rafter 2. The roof hooks 1 are secured to the compensating rail in
the tile valley.
- Secure compensating rail 3 with 6x60 woodscrews and washers on rafter 2.
- Insert the M8x20 coach bolt from below through the compensating rails.
- Position the roof hook and secure tightly with the hexagon nuts.
Max. 0.4 m
M8x20
Rail protrusion
coach bolt
Min. 3
rows
Option
Snow load
extension set
Fit hooks bottom/top
Fitted bottom roof hook
Mounting rail
Coach bolt
M8x20
Washer nut
M8
11