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5 Flat roof fitting and installation
54 Installation manual auroTHERM exclusive 0020077994_02
26. Remove the carrying strap. ( Page 53)
27. Loosen the sun protection film from the edges of the
collector. ( Page 53)
Completing collector rows
Conditions: Not all collectors in a row have been installed yet.
Install an additional collector. ( Page 53)
Fit the connectors. ( Page 53)
Tighten the clamping ring connection. ( Page 53)
5.2.3 Installing hydraulic connections
Caution.
Lack of tightness due to incorrect ac-
cessories.
Incorrect accessories may result in lack
of tightness of the solar circuit and cause
material damage.
Only work in the solar circuit with hard
soldered connections, flat seals, com-
pression fittings or press fittings which
have been approved by the manufac-
turer for use in solar circuits and at cor-
respondingly high temperatures.
Caution.
Risk of damage to the collectors as a
result of improper installation.
If the hydraulic connections are not in-
stalled properly, the stainless steel tubes
inside the collector may become damaged.
When tightening the clamping ring con-
nection, hold a second spanner against
it.
1. Connect the collector flow and return to the system
with the connection tubes.
2. To do this, connect the clamping ring connection (from
the installation set VTK basic set, article number
0020076776) to the collector.
3. Connect the clamping ring connection with the connec-
tion pipework.
4. Check the connections for tightness.
Conditions: System with collector sensor
Insert the collector sensor into the opening provided on
the collector flow side ("hot side").
Note
In general, the collector sensor can be at-
tached to the right or left side of the col-
lector field because the collectors on both
sides have a corresponding opening.
Insulating hydraulic connections
Conditions: Start-up carried out
13
2
Insulate the hydraulic connections using the insulation
(1) (from installation set VTK extension set, article num-
ber 0020076779).
Cover the insulation with the cover plate (3) (from
installation set VTK extension set, article number
0020076779).
Insulate the hydraulic system connections using the
insulation (2) (from installation set VTK extension set,
article number 0020076779).
54


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