7 Operation
7.1 Heat meter distance piece
Note
The heat meter to be installed must have following
specifications:
Qn = 1.5
1.5-2 seconds. Construction
length of
110 mm
and
¾"
external threaded connection.
Note
The heat meter distance piece is not suitable for
continuous operation.
CD0000313
The heat meter distance piece is intended to be replaced with a heat
meter to record energy consumption. This is recorded by adding a
heat meter with a fast scanning frequency that fully measures the
volume flow rate every 3-4 secs, including kWh calculation.
7.2 Cold water meter distance
piece
Note
Operating pressure:
PN 10
CD0000314
The cold water meter distance piece (
110 mm x ¾"
) is intended to be
replaced with a water meter that count the units overall cold water
consumption. The outflow supplies cold water and heating once this
has been counted by the cold water meter.
7.3 Strainer
Caution!
Lock the unit and relieve the pressure before any work
with the strainer.
Note
To open the cold water/primary flow strainer, use internal
hexagon (
6 mm
).
CD0000315
The strainer collects dirt and its filter can be removed for inspection
and cleaning.
7.4 Thermostatic lead module
(TTV) (optional)
CD0000319
The thermostatic temperature lead module (TTV) serves the heat
retention function of the supply line. It is used on the last unit on a
line or at greater distances from the main line and prevents the risers
from cooling down when not dispensing.
The valve is adjustable and the setting range is printed on the cap.
The temperature is measured by a sensor inside the valve.
Note
The valve flow can also change by connecting to the
capillary pipe Ø 6 mm.
Note
A too high value can cause the heating water return
temperature to rise.
Note
A too low maintenance temperature setting can lead to
longer waiting times when preparing domestic hot water.
1.
Set the TTV line temperature to approximately
15 K
below the
network flow temperature.
Combi Port Base
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Installation and operation manual
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17
