DEVA DLT TSM106 Manuale di istruzioni

DTC INST 145 issue 2 – 16.11.07

Please retain this document for future use and

reference.

DLT TSM106

INSTALLATION AND MAINTENANCE

Guarantee

Your product comes with a 5 year guarantee; this includes

2 years parts and labour, with the following 3 years parts only, proof of

purchase will be required.

This guarantee is invalid if the product is misused, incorrectly installed,

maintained or cleaned.

Installation

Installations should be carried out by a competent installer, who must

after completion, check for leaks, from both the product and pipe work.

All installations must be carried out in compliance with Water Bye Law

Regulations, for further details contact your Local Water Authority.

The product must be installed and used in such a way as not to cause

water damage, therefore water from the product must be suitably

directed and/or retained.

Cleaning

This product should be maintained using a clean damp cloth, do not use

abrasive agents or materials on the product surface.

For technical, installation, servicing advice and/or spare parts please

call:

CUSTOMER CARE LINE

0800 1951602

Deva reserves the right to change or improve the products described in any of its

publications

DTC INST 145 issue 2 – 16.11.07

Operating Conditions of Use

Prior to installation the operating conditions of use must be checked. The table

shown (Table 1) contains details of the necessary conditions of operation.

NOTE: If your water system cannot meet these conditions then the valve cannot

be guaranteed to operate as a Type 2 valve. This valve is suitable for use

with Low Pressure (BSEN1287) operating conditions.

Please note valves must always be operated within the range for BS EN1287.

Operating pressures above 5 bar will require installation of a pressure reducing

valve (not supplied)

TABLE 1

(Valve designation of use for this product: LP Tub BS EN1287)

BS EN1287

MAXIMUM STATIC PRESSURE 10 BAR

FLOW PRESSURE 0.1 – 1 BAR

(Note; Minimum 0.2 bar required for this product to meet LP Tub application)

HOT SUPPLY (°C) 55-65

COLD SUPPLY (°C) MAX 25

MAX MIXED TEMP (°C) MAX 46

Note:

46°C is the maximum mixed water temperature from the bath tap. The

maximum temperature takes account of the allowable temperature

tolerances inherent in thermostatic mixing valves and temperature losses

in metal baths.

It is not a safe bathing temperature for adults or children.

The British Burns Association recommends 37 to 37.5°C as a comfortable

bathing temperature for children. In premises covered by the Care

Standards Act 2000, the maximum mixed water outlet temperature is 43°C

Temperature Adjustment

This should be carried out by a competent person and only when absolutely

necessary.

Turn the handle anti-clockwise to fully hot.

Turn on the tap handles to allow water flow from the spout, let this run for

1 minute.

Check the temperature using a thermometer, this should read 46 °c, if not leave

the temperature handle in the fully hot position and remove the central

temperature control cap, by using a thin blade screwdriver, push this through

the hole to the rear of the central handle and force off the cap, remove the

centre screw in the handle, you do not need to remove the handle,.

This will expose the cartridge adjustment grub screw, insert an allen key into the

hole of the handle and locate into the grub screw and turn anti-clockwise to

increase the temperature or clockwise to decrease.

Ensure that you do not exceed the 46 °c.

Then re-fit the components to the mixer.

DTC INST 145 issue 2 – 16.11.07

Operating Conditions of Use (CONTINUED)

The mixer is designed to allow a maximum pre-set temperature of 46°c in line

with the TMV2 approval.

The mixer works within the parameters set out within the requirements of TMV2

at low pressure and is guaranteed to have the anti-scald facility up to 46°c,

which is the maximum limit stated in the standard.

In cases were the mixer is fitted to high pressure systems or systems with

mixed pressures, it become necessary to fit flow restrictors (supplied) in the

following scheme:

You will receive a kit composed of;

Yellow valve / pink insert x 1 – this is a flow restrictor and check valve

Yellow valve / white insert x 2 – these are flow restrictors and check valves

Brass housings x 2 – these hold the above

White valves x 2 – these are check valves only

SYSTEM COLD INLET HOT INLET

GRAVITY BOTH SIDES CHECK VALVE CHECK VALVE

MAINS COLD/GRAVITY HOT PINK CHECK VALVE

UNVENTED BOTH SIDES WHITE WHITE

PUMPED BOTH SIDES CHECK VALVE CHECK VALVE

GAS INSTANTANEOUS HEATER WHITE WHITE

MAINS COLD/PUMPED HOT WHITE WHITE

GRAVITY COLD/PUMPED HOT CHECK VALVE WHITE

(PINK RATE – 15 L/MIN ------ WHITE RATE - 8 L/MIN)

Commissioning and Testing

It is a requirement that all TMV2 approved valves shall be verified

against the original set temperature results once a year. When

commissioning/testing is due the following performance checks shall

be carried out.

NOTE: The mixed water temperature at the terminal fitting must never exceed

46°c

After installation the product and the pipe work must be checked for water

tightness, to ensure no leaks are present.

Once this has been carried out a cold water failure test should be completed

to check the shut off is operating correctly.

If the product has been installed in compliance with the operating specification

indicated this should operate correctly.

The product should be tested thereafter at intervals agreed by the

contractor/installer, but should never exceed 12 months.

The testing will only require a standard thermometer with a scale of more than

65°c. The temperature sensitive element of the ther mometer should be fully

inserted into the water flow of the mixer.

Measure the mixed water temperature.

Carry out a cold water failure test by using the isolation valve to shut off the

cold supply.

Wait for 5 seconds if the water is still flowing check the water temperature is

below 46°c. The flow should stop or reduce to a tri ckle.

Open the cold water isolation valve and measure the mixed water

temperature

If there is no significant change from the original settings and the shut off is

functioning correctly, no further action is required.

If the outlet temperature has drifted by more then 2°c, or the shut off does not

work correctly, a full service or re-commissioning is required.

DTC INST 145 issue 2 – 16.11.07

Valve Installation Criteria

The mixer must be installed in accordance with the following installation

guide.

The mixer has been supplied with filters which must be fitted, see section

“Product Installation”

The mixer is supplied with check valves which must be fitted, so that the

product is protected against cross flow due to unbalanced water pressures

as required by the Water Supply Regulations 1999.

Hot supply to be on the left and cold supply to be on the right.

The mixer must be installed in such a position that maintenance of the TMV

and its valves and the commissioning and testing of the TMV can be

undertaken.

The fitting of isolation valves (not included) is required as close as is

practicable to the water supply inlets of the mixer

The mixed water temperature from the terminal fitting should never exceed

46°c

Mixer Installation

Before installation flush the system thoroughly to remove any debris as this

will affect the performance of the product.

Once flushed turn off the water supply either at the stopcock or at the

isolation valves.

Place the gasket washer onto the top surface of the bath in line with the

bath holes.

Then place the mixer onto the bath with the cold feed on the right and hot

feed on the left.

Push the mixer tail through the bath holes.

From the underside, push on back nut washer and push to underside of

bath, then connect the back nuts and screw up to underside of bath and

tighten to secure mixer (do not over tighten as this may damage the bath)

Then connect the water supplies to the mixer tails, ensuring to use an

adequate sealing method.

Check that the mixer is in bath fill mode and turn on water supply and check

for leaks.

Finally secure the wall bracket to the wall using the screw provided,

ensuring that hose is not under tension when fitted to the wall bracket and

mixer.

Connect the hose to the handset using the coned end and fit washer, then

connect opposite end to mixer outlet again fitting washer.

DTC INST 145 issue 2 – 16.11.07

Installation of Check Valves and Restrictors

Before installation you must determine whether or not the flow restrictors

supplied are required.

The white restrictors x 2 will be fitted to the brass housings, the pink

restrictor x 1 will be separate.

Please note that the flow restrictors also include built in check valves and

therefore the large white plastic checks valves would not be required if

flow restrictors are fitted to both sides, if no flow restrictors are fitted

ensure to fit the check valves.

To change the flow restrictors, simply push out the restrictor (1) which is

fitted to the brass housing (2), then push in fully the required restrictor,

ensuring that the restrictor is uppermost with the check valve at the

bottom as shown.(O ring at the bottom)

To install the check valve/flow restrictor or check valve to the mixer, push

the components into the mixer tail as far as it will insert, with ‘o ring to the

bottom.

Then push in the filter disc to the underside of the check valve, followed

by the retaining clip, ensure that this clip sits inside the groove on the

inside of the tail.

Product Operation

To operate the mixer in bath mode ensure that diverter is in the up position,

then open both handles to allow water flow into the bath from the spout, to

control the temperature only turn the central temperature control, to control

the flow turn the outside handles.

To operate the shower mode turn on the mixer by opening the outside

handles allow water to flow, then push down on the diverter located beneath

the hose, this will allow water to flow form the handset, control temperature

and flow as stated above.

Under normal use at 0.2 bar and above, when the mixer is turned off the

diverter will automatically return to bath mode, so the next time the mixer is

used the product will be in bath mode not shower.

At pressure of below 0.2 bar, the manual override may be required, to

operate this, push down on the diverter and turn, this will lock the diverter

into position.

NOTE, WHEN USING THE MANUAL OVERRIDE IT IS RECOMMENDED

TO DIVERT BACK TO BATH MODE AFTER USE TO PREVENT WATER

DISCHARGE ON THE BATHER WHEN NEXT USED.

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