Hoval RoofVent CON-9, Design Handbook

Page: 278 / 280

308
3 Dismantling
Caution
Risk of injury if work is not performed appropriately.
Dismantling must be carried out by specialists !
Make sure that the following items are on hand:
■ A crane or helicopter
■ Two slings (sling length approx. 6 m each)
■ Two snap hooks
Access panel
Access panel
Screw connection
Position of snap hooks
Table N2: Dismantling the RoofVent
®
units
Proceed as follows:
■ Drain the heating or cooling circuit.
– On the RoofVent
®
direct cool and RoofVent
®
twin pump:
The refrigerant must be drawn off by a refrigeration
specialist.
– On the RoofVent
®
condens: Collect heat accumulator
fluid.
■ Disconnect all media connections from the unit (wiring,
water connection, condensate drain, where applicable
refrigerant pipe and air duct connections).
■ Release the unit from all roof fittings, lightning protection
systems and frame attachments.
■ Remove the access panels on both sides of the roof unit
(Pos. , ).
■ Release the screw connection between roof unit and
below-roof unit (4 screws, Pos. ).
■ Attach the slings to the roof unit.
■ Carefully lift the roof unit slightly and detach it from the
below-roof unit (note the initial adhesion of the sealing
strips).
Caution
Danger of fatal injury through falling parts. Never lift
the two-part unit (roof unit, below-roof unit) in one
piece!
■ Remove the roof unit.
■ Hook the snap hook onto the frame of the below-roof unit
(Pos. ), lift the below-roof unit out of the roof frame and
transport it away.
4 Waste disposal
Observe the following when disposing of the components of
RoofVent
®
units:
■ Recycle metal components.
■ Recycle plastic parts.
■ Dispose of electric and electronic parts via hazardous
waste.
■ For RoofVent
®
direct cool and RoofVent
®
twin pump:
Recycle refrigerant.
■ For the RoofVent
®
condens: Dispose of heat accumulator
fluid in the prescribed manner.
Operation
Dismantling