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2. INSTallaTION aND TESTINg
2.
Installation and testing
2.1 Installing the units in a casing
The TM3 mixing unit can be installed directly on the wall by securing its
bracket with suitable plugs and screws (depending on the kind of wall).
These need to be inserted into the designated holes or in a Metalbox casing
for 120 mm partitions.
To choose the right Metalbox, check the overall dimensions of the mixing
unit with the collectors.
No. of ways
2
3
4
5
L mm
160 210 260 310 360 410 460 510 560 610 660
In both cases, place the unit at least 300 mm from the floor slab to be able
to easily bend the pipes correctly.
183 mm
– Secure the hydraulic unit inside the box.
– Adjust the casing's feet with the 2 locking screws, so that there is at
least 30 cm between the lower collectors and the floor slab.
6
7
8
9
10
11
12
L
– Secure the casing to the wall with cement after applying the mor-
tar-covering cardboard surface.
– Connect the delivery and return pipes (columns), bearing in mind that
along with the collectors in the casing, there will also be valves with
a red and blue throttle handle (not supplied).
– Connect the delivery and return pipes associated with the circuits of
the floor-mounted system.
2.2 Installation of the thermostatic head with
immersion probe for thermostatic regulation
To make it easier to assemble, set the maximum value on the thermostatic
head. Bear in mind you need to set it back to the temperature envisioned
in the project for the floor-mounted system.
Then insert the probe in the well (ref. Fig. A).
2.3 Installation of the servomotor and supply
temperature probe (not supplied) for the cli-
mate adjustment
To mount the servomotor, screw it onto the mixing valve after disconnecting
the power cable.
To make it easier to mount, use a 3mm hex key to turn the indicator on the
servomotor's head from 0 to 1.
Re-connect the power cable when you have completed the step.
To install the delivery temperature probe to the floor-mounted system,
insert the probe in the probe-holder well (ref. Fig. A).
2.4 Installation of the electric box with safety
thermostat or 6T standard control unit
The power supply of a circulator of a low-temperature circuit/system must
always be controlled by a safety thermostat to provide protection from
delivery temperature values above 45/50°C.
On the TM3 mixing unit install the electric box with the safety thermostat
for the circulator's cabling or the 6T standard control unit for electro-
thermal heads. Fix them onto the wall with plugs and screws using the
designated pre-drilled profile located at the back of both of them (Fig. B).
Fig. B
GB
GB
Pre-drilled profile
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