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8 Installation and commissioning
!
DANGER
Electrical energy!
Risk of death from electric shock.
• Work on parts carrying live voltage must be carried out by
qualified electricians only.
• Disconnect the power supply of the system and secure it
to prevent it from being switched on again before carrying
out any installation, maintenance, cleaning or repair work.
NOTICE
The installation and commissioning of
the FRG3015-F RV must be carried out only by
trained personnel who have been authorized by the
manufacturer.
!
!
When repairing the unit or replacing
CAUTION
parts, be sure to observe the specified installation posi-
tions and flow directions of the parts being replaced!
!
!
Material damage!
CAUTION
Pressure shocks may occur if the stop valve is opened
or closed quickly.
• Always open and close the stop valves slowly and in a
controlled way.
8.1 Installation
All screw fittings must be checked and tightened if
necessary prior to installation and commissioning!
For the torques of the fitting see „5 Technical data" on
page 4�
!
!
Hot water!
WARNING
Risk of severe scalding.
Do not reach into the hot water when emptying the
FRG3015-F RV. Ensure that the FRG3015-F RV has
cooled down before carrying out maintenance, cleaning
and repair work.
During installation it must be ensured that:
• the cables from the pump and temperature limiter
are not damaged or kinked
• the sensor capillary tube is not damaged or kinked
• The cables must not be under tension�
1. Fit the control station to the manifold with the 1" nuts and
associated seals.
The control station can be fitted on the right or left of
the manifold by turning the eccentric screw fitting (5,
Fig� 8-1), also upside down�
2. Fit the temperature limiter to the supply collector pipe on
the manifold.
3. Connect the control station to the power supply.
Further information about electrical connection of the
control station can be found in the separate documen-
tation for the assemblies�
4. Set the temperature on the (optional) temperature limiter
to approx. 55 °C.
6
NOTICE
To ensure that the pump runs only when
heat is required, the manufacturer recommends con-
necting the pump to a pump relay (e.g. the pump logic
of an electrical control distributor that also controls the
actuators). Alternatively, the pump can be operated with
a timer switch.
8.2 Temperature limiter
In the event of a fault, the temperature limiter switch-
es off the circulation pump and so avoids overheating
of the surface heating system�
• The temperature limiter must be fitted to the supply of the
heating circuit manifold.
• Set the temperature on the (optional) temperature limiter to
approx. 55 °C.
8.3 Initial commissioning
All screw fittings must be checked and tightened if
necessary prior to installation and commissioning!
Torques of the fittings:
¾" fittings: 35 Nm
1" fittings: 55 Nm
1. Connect the control station to the pipe network.
2. Fill, flush and vent the heating system.
The non-return valves (4 and 8, Fig� 3-1) in the mixer
bypass prevents any short circuit when flushing�
NOTICE
Flushing is permitted only in the direction
of flow of the heating circuits, i.e. the water must enter
through the flow manifold and come out of the return!
The drain must always be open, as otherwise the high
water pressure could damage the heating system.
The instructions on flushing in the operating manual for
the heating circuit manifold must also be observed.
FRG3015-F-RV-IM-DE-W-UK-02-2022-Rev.0.1 | Part no. 10019421
ENGLISH
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