Watts TVA Series User manual

Installation Instructions:

1.Check that the valve is suitable for the application.

2. Valve must be tted by a qualied plumber.

3. Installation must comply with local authority requirements.

4. Valve may be installed in any orientation.

5. Flush pipes prior to tting.

6. Connections are H (hot inlet), C (cold inlet) and OUT (mixed temperature outlet).

7. Do NOT apply heat near valve during installation – this may damage the

mechanism.

8. Do NOT install valve directly into outlet of cylinder.

9. At the end of the installation, check thoroughly that it is installed correctly.

10. Adjust temperature by removing cap. Use screwdriver to adjust to desired

temperature.To increase, turn anti-clockwise (H). To decrease, turn clockwise

(C). Replace cap. Maximum delivered hot water temperature at any sanitary

xture used for personal hygiene shall not exceed 50°C.

11. Maintenance is to be carried out to AS 4032.3

12. Commissioning: All valves must be commissioned and the discharge water

temperature set and veried with a thermometer.Valves not installed in

accordance to these instructions may result in unsafe performance.

13. Refer to diagram on other side for installation

Tempering Valve TVA

Distributed by: Hydroow Distributors (Aust) Pty Ltd

Unit 1 No 11 Salmon Street, Port

Melbourne, Victoria 3207

AS4032.2

LIC. WMKA 26118

Notes:

1. Expansion Valve andTemperature Pressure Relief Valve drain line diameter must

be no smaller than the nominal size of the valve outlet.

2. Drain line length must be in accordance with this table:

Maximum Relief Drain

Length (m)

Maximum Numbers of

Changes in Direction (greater

than 45°)

9 3

8 4

7 5

6 6

3. Drain line must discharge into a tundish when the distance to the nal point of

discharge is greater than 9 m.

4. Drain Line must be of copper piping

5. If Expansion Valve andTemperature Pressure Relief Valve drain lines are to be

combined then refer to AS/NZ 3500.4:2015 Clause 5.11.3. Only one of each type to

be combined.

This manual suits for next models

2

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