9
Suitable measures (e.g. safety valves) have to be
taken to ensure that the maximum operating pres-
sures and maximum and minimum operating tem-
peratures are not exceeded or undercut.
Fluid:
Non-aggressive fluids (e.g. water and suitable
water and glycol mixtures according to VDI 2035).
Not suitable for steam, oily and aggressive fluids.
DANGER
!
Flow
temperature
V
max
17 x 2
16 x 2
14 x 2
30° C
220 l
1655 m
1945 m
2800 m
35° C
150 l
1130 m
1325 m
1905 m
40° C
115 l
865 m
1015 m
1460 m
45° C
90 l
675 m
795 m
1145 m
50° C
80 l
600 m
705 m
1015 m
55° C
60 l
450 m
530 m
760 m
4.2 Dimensions/Connection sizes
Illustr. 4.1 Dimensions
The installation depth of the control unit inside
the cabinet amounts to approx.
160 mm
from the
leading edge of the pump head to the rear wall of
the cabinet (fixing rails have been taken into ac-
count), see illustr. 4.1.
This installation depth has to be taken into ac-
count when installing the cabinet (pull out frame
accordingly).
NOTICE
5 Construction and function
5.1 Summary and functional description
1.
“Hycocon HTZ”
2.
Temperature controller
3.
Heat exchanger
4.
Draining and venting valve
5.
Pressure gauge
6.
„Expa-Con“ Valve with lead sealable cap
7.
Diaphragm expansion tank
8.
Bracket for diaphragm expansion tank
9.
Diaphragm safety valve
10. Immersion pocket
11. Pump
Illustr. 5.1 Summary “Regufloor HX”
The control unit “Regufloor HX” is used for flow tem-
perature control in surface heating systems. The in-
tegrated heat exchanger allows a separation of the
heating system (primary circuit) from the surface hea-
ting circuit (secondary circuit). This way, even open
vented surface heating circuits which can be found in
old installations can be connected. A penetration of
possible corrosion products from the boiler circuit
into the surface heating circuit is also prevented. Mo-
reover, the surface heating circuits on the secondary
side may be operated with a water and glycol mixture,
for instance in open space heating systems.
The regulating valve on the primary side controls the
set flow temperature. Temperature detection is carried
out by the immersion sensor on the secondary side.
The following types of control as well as a venting
routine can be set with the help of the button at the
pump control module:
– Differential pressure variable (p-v)
– Differential pressure constant (p-c)
4
6
5
G
1
1
2
5
G
1
G
1
303
403
2
0
0
G
1
˜160
145
