Watts MINIMIXing User manual

MINIMIXing

Thermostatic mixing valve for point of use

Installation and Operation Manual

wattswater.eu

2MM-IM-FR-W-UK-06-18-Rev.0

9,87

71,7

93,8

G 3/8" B ISO228G 3/8" B ISO228

G 3/8" ISO228

FR Ecrou tournant

UK Swivel nut

IT Dado girevole

NL Vrouwelijke moer

DE Überwurfmutter

G 3/8" ISO228

ES Tuerca giratoria

RU Накидная гайка

PL Nakrętka obrotowa

DK Drejemøtrik

Ø15

Raccord compression

Compression fitting

Collegamento a compressione

Knelkoppeling

Klemmkupplung

Conexión de compresión

Компрессионный фитинг

Ø15

Złączka zaciskowa

Kompressionskobling

5,67

93,8

71,7

G 1/2" B ISO228

G 1/2" B ISO228G 1/2" B ISO228

Ø42

71,7

93,8

7,29

Raccord

compression

Ø15

Raccord

compression

Ø15

9,87

71,7

93,8

G 3/8" B ISO228G 3/8" B ISO228

G 3/8" ISO228

FR Ecrou tournant

UK Swivel nut

IT Dado girevole

NL Vrouwelijke moer

DE Überwurfmutter

G 3/8" ISO228

ES Tuerca giratoria

RU Накидная гайка

PL Nakrętka obrotowa

DK Drejemøtrik

Ø15

Raccord compression

Compression fitting

Collegamento a compressione

Knelkoppeling

Klemmkupplung

Conexión de compresión

Компрессионный фитинг

Ø15

Złączka zaciskowa

Kompressionskobling

5,67

93,8

71,7

G 1/2" B ISO228

G 1/2" B ISO228G 1/2" B ISO228

Ø42

71,7

93,8

7,29

Raccord

compression

Ø15

Raccord

compression

Ø15

9,87

71,7

93,8

G 3/8" B ISO228G 3/8" B ISO228

G 3/8" ISO228

FR Ecrou tournant

UK Swivel nut

IT Dado girevole

NL Vrouwelijke moer

DE Überwurfmutter

G 3/8" ISO228

ES Tuerca giratoria

RU Накидная гайка

PL Nakrętka obrotowa

DK Drejemøtrik

Ø15

Raccord compression

Compression fitting

Collegamento a compressione

Knelkoppeling

Klemmkupplung

Conexión de compresión

Компрессионный фитинг

Ø15

Złączka zaciskowa

Kompressionskobling

5,67

93,8

71,7

G 1/2" B ISO228

G 1/2" B ISO228G 1/2" B ISO228

Ø42

71,7

93,8

7,29

Raccord

compression

Ø15

Raccord

compression

Ø15

1 2

M M

- -

G 3/8” ISO228

Swivel nut

Compression tting

Ø15

Compression tting

Ø15

MM-IM-FR-W-UK-06-18-Rev.0

0,5011,52 2,

53,5

Débit (L/min)

Perte de charge (bar)

Flow curve

Flow rate

Head loss ∆P (bar)

L/min

4MM-IM-FR-W-UK-06-18-Rev.0

3 - Operating faults:

Carefully check that any fault really is due to the appliance.

Observed faults Causes and solutions

The water is not running at the right temperature.

Check that the water supply is not cut and that the connec-

tions have been made to the inlets. Was the calibration carried

out properly?

Water runs but slowly. Hot or cold water production is not sufﬁcient.

Blocked or clogged up ﬁlter.

When starting the new appliance, only hot or cold water runs. Water inlets are ﬁtted the wrong way round.

Mixed water runs in ﬁts and starts and very slowly except at

one or other extreme temperature.

Hot or cold ﬂow is restricted.

Check that the cartridge ﬁlters are clean.

1 - Installation:

On a stopcock (chrome plated) with wall plate.

2 installation possibilities:

- parallel to the wall (diagram 1 page 2)

- perpendicular to the wall (diagram 2 page 2).

1-1 Assembly

Connect the hot water inlet (+) directly to the stopcock.

Connect the cold water (-) using a hose or a copper tube.

Connect the outlet (M) to the mechanical mixer inlet.

Provide a stopcock on each inlet.

1-2 Rinsing

[recommended step] (diagram B3 page 3)

Unscrew the screw and remove the cap (W), unscrew the nut

(X), remove the cartridge (Z).

Fit the rinsing kit (V) instead of the cartridge and re-tighten the

nut (X).

Supply hot and cold water, rinse the piping by letting the water

ﬂow abundantly.

Turn off the hot and cold water, then unscrew the nut (X) and

remove the rinsing kit (V), reﬁt the cartridge (Z) and re-tighten

the nut (X).

1-3 Adjusting the temperature

[factory set to 38°C] (diagram B2 page 3)

Turn on the water supply to the appliance.

Calibrate the temperature:

- Run the water at the required temperature by turning the ad-

justment ring (Y) in the direction shown by the arrow and using

the temperature marks.

- Note the temperature obtained using a thermometer.

- Remove the adjustment ring (Y) to position the temperature

indicated on it opposite mark (U) on the nut (X) corresponding

to the temperature obtained.

1-4 Reﬁtting the casing

Once the temperature has been set, reﬁt the cap (W) and reﬁt

the safety screw.

2 - Features:

2-1 Flow rate at 3 bar

28 Liters / min

2-2 Supply

The thermostatic mixing valve may be fed by any hot water

heating system, even an instant household heater, provided

that the boiler remains capable of producing very low hot water

ﬂows (3l / min).

- Maximum working pressure: 10 bar

- Minimum working pressure: 1 bar

- Recommended working pressure: 2 to 4 bar

- Maximum hot water temperature: 85°C

- Minimum difference between input temperatures: 10°C

- Maximum pressure difference between hot and cold water:

1,5 bar

- Temperature setting range: 30 to 70°C

- Hot, cold and mixed water connections in ﬂat-sealing

construction only for Art.No. 2297320M2 / 2297321M2.

MM-IM-FR-W-UK-06-18-Rev.0

WATTS INDUSTRIES France

1590 avenue d’Orange • SORGUES 84275 VEDENE • FRANCE

Tél. +33 (0)4 90 33 28 28 • Fax +33 (0)4 90 33 28 29/39

[email protected] • www.wattswater.fr

« The descriptions and photographs contained in this product specication sheet are supplied by way of information only and are not binding. Watts Industries reserves the right to carry out any

technical and design improvements to its products without prior notice. Warranty: All sales and contracts for sale are expressly conditioned on the buyer’s assent to Watts terms and conditions

found on its website at www.wattswater.eu - Watts hereby objects to any term, different from or additional to Watts terms, contained in any buyer communication in any form, unless agreed to

in a writing signed by an ofcer of Watts. »

4 - Maintenance:

4-1 Maintenance

4-1-1 Checking the element:

If the ﬂow is reduced or if the temperature ﬂuctuates, check the

condition of the element. If necessary, clean and descale the

element with weak diluted acid.

Clean the ﬁlters. If this does not work, replace it (4-2).

4-1-2 Draining in the event of freezing:

When the appliance is exposed to frost, it is essential to empty

it and remove the element, taking off the element. Once the ins-

tallation is emptied, put the element back place after lubricating

it with a silicon grease.

4-2 Replacing the mechanism

Close the hot and cold water inlet stopcocks, then turn the taps

on and off to lower the pressure inside the appliance.

Proceed as indicated in the INSTALLATION part starting from

1-2 Rinsing.

Make sure the mechanism is correctly ﬁtted in the box.

Disinfecting procedure for ﬁghting against legionnaire’s

disease,

2 possible methods:

- Thermal ash:

Run hot water through the mixer tap (bacteria is eliminated from

60°C).

Remove the cap (W) after having removed the screw, then turn

the adjustment ring (Y), to the full hot position, the mixer will

deliver very hot water.

- Using the rinsing kit:

Flush using a disinfectant solution or with very hot water (hotter

than 90°C) without risking damage to the appliance.

- Unscrew the screw and remove the cap (W), unscrew the nut

(X), remove the cartridge (Z) then insert the rinsing kit (V) and

re-tighten the nut (X)

- Re-open the hot water stopcock.

- Turn on the tap(s) to circulate the hot water and carry out a

proper thermal disinfection.

Warning: always comply with local regulations concerning

disinfecting procedures, such as wearing suitable

masks and gloves, etc.

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