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Installation advice:
Valve has to be installed in the direction of flow (observe
arrow on the valve body).
Setting of nominal temperature:
– Pull of lockshield cap.
– Turn the handwheel of the temperature control unit until
the desired temperature value on the scale is in line with
the mark on the valve body.
Recommended temperature range: 55°C up to 60°C
(DVGW W551)
Factory setting: 57°C
– Replace lockshield cap by pushing the slit of the lockshield
cap over the marking ridge at the body. This allows an easy
reading of the set temperature even with the lockshield
cap being mounted.
– The set temperature can be protected against unautho-
rised tampering. To do so, the lockshield cap is secured by
leading the sealing wire through the hole at the body.
Modification of limitation of the set maximum volume of
flow:
Setting is carried out at the throttling valve installed behind
the control unit. The throttling valve may also be used for iso-
lation. The required presetting values can be obtained from
chart 3. All intermediate values are infinitely adjustable.
Factory setting:
DN 15: 2.0
DN 20: 3.0
DN 25: 4.0
The chosen presetting can be read off two scales (basic set-
ting = longitudinal scale, fine setting = peripheral scale, see il-
lustration). The limit stop is even kept if the throttling valve is
closed for maintenance work.
Presetting:
1. Set value of presetting at the throttling valve by turning the
handwheel.
a. The display of the basic setting is shown by the longitu-
dinal scale together with the sliding indicator.
b. The display of fine setting is shown by the peripheral
scale on the handwheel together with the marking.
The subdivisions of the peripheral scale correspond to
th
1/10
of a half turn of the handwheel.
2. Limitation of the set value of presetting by turning the inner
adjustment stem clockwise until it seats. This can be done
by using a screwdriver with a cutting edge width of 3 to
4 mm.
3. The value of presetting may be locked with the help of a
locking pin (accessory).
Information regarding installation of accessories:
The regulating valve "Aquastrom T plus" may be integrated
into an existing centralised building control system with the
help of the sensor element PT1000 which may be installed
subsequently. To do so, the thermometer is removed and is
replaced by the sensor element PT1000 (accessory).
Accessories:
4205591
Thermometer 20°C – 100°C as replacement
420 5592 Sensor element PT1000 for
centralised building control systems
4205593
Drain valve as replacement
4205581
Insulation shell for DN 15/DN 20 as replacement
4205583
Insulation shell for DN 25 as replacement
1061792
Locking pin with sealing wire
for limitation of volume of flow
1089091
Lead sealing set
6 6 6 6 6
Setting of nominal temperature
Setting of volume of flow
Marking
Sliding
Fine setting scale
indicator
(peripheral scale)
Basic setting scale
(longitudinal scale)
Handwheel
Handwheel
Locking pin
Hole for
sealing wire
Hole for
sealing wire
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