enware Aquablend 1500 Manuel utilisateur
Installation Instructions
FOR USE IN AUSTRALIA
15MM THERMOSTATIC MIXING VALVE
Call 1300 369 273
www.enware.com
Enware Australia Pty Limited
9 Endeavour Rd Caringbah NSW 2229 Australia
Ph: +61 2 8556 4000 info@enware.com.au
AQUABLEND 1500
THERMOSTATIC
MIXING VALVE
WITH THERMAL FLUSH
I00103_Jul 18
NEW AQUABLEND 1500
FAQ and technical info available at
www.enware.com.au/1500info
I00105 VC463
IS123
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PRODUCT FEATURES
Complies with the
requirements of AS4032
- Thermostatic Mixing
Valves
Provides high stability
of mixed water
temperature even
under changing inlet
conditions
Ensures rapid shut
down of mixed outlet
ow in the event of hot
or cold water supply
failure
Designed for quick and
simple in-situ servicing
Suitable for installation
into AS3500 compliant
systems with hot water
temperature as low as
55°C
Fitted with a Tamper
Resistant temperature
adjustment mechanism
Built-in Thermal Flush
feature allows controlled
thermal ush to the
TMV and warm water
plumbing system
Enware reserves the right to change any product specification or information
contained in this publication, at any time and without notice. Every care has
been taken to ensure accuracy in the preparation of this publication
which has been issued for guidance only. No liability can be accepted for any
consequences which may arise as a result of its application.
Enware is a trade mark of Enware Australia Pty Limited - A.C.N. 003 988 314
Aquablend TMV’s are exclusively manufactured for Enware Australia Pty Limited
by Reliance Worldwide 27-28 Chapman Place, Eagle Farm, Qld, 4009 Australia.
The ENWARE AQUABLEND
1500 THERMOSTATIC MIXING
VALVE is a high performance
Thermostatic Mixing Valve
suitable for a wide range
of applications. The valve
is designed to comply with
AS4032 - Thermostatic
Mixing Valves.
AQUABLEND 1500 THERMOSTATIC MIXING VALVE
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CONTENTS
SAFETY page 6
PRODUCT DESCRIPTION page 7
RECOMMENDED PRESSURES
AND TEMPERATURES page 10
FLOW SIZING GRAPH page 11
INSTALLATION page 12
COMMISSIONING OF THE VALVE page 15
MAINTENANCE & SERVICING page 18
THERMAL FLUSH page 20
TROUBLE SHOOTING page 22
SPARE PARTS page 24
COMMISSIONING REPORT page 25
SERVICING REPORT page 28
WARRANTY page 30
AQUABLEND 1500 THERMOSTATIC MIXING VALVE
6 Call 1300 369 273 www.enware.com.au
SAFETY
The ENWARE AQUABLEND 1500 Thermostatic Mixing Valve
is a high performance valve designed to give stable and
dependable operation, provided it is installed, commissioned,
operated and maintained as per the recommendations
outlined in this manual. It should be noted however that this
valve should not be considered as an alternative to adequate
supervision and duty of care during its use and operation.
Note: When installed, the mixing valve, inlet controls, pipework
and the surrounding area may become hot, which may cause
burn injuries. Precautions should be taken to ensure that these
surfaces cannot cause such injuries.
www.enware.com.au Call 1300 369 273 7
PRODUCT DESCRIPTION
The ENWARE AQUABLEND 1500 Thermostatic Mixing Valve
is available complete with inlet service ttings. The inlet to
the ttings is ½” BSP male, and the outlet from the valve is
½” BSP male adapter with an optional ¾” BSP male adaptor.
The service ttings consist of isolating ball valves, strainers,
pressure test points and non-return valves. The strainers can
be serviced and cleaned without disturbing the installation
(refer to Maintenance and Servicing section). The inlet service
ttings also incorporate union type ttings enabling the
thermostatic mixing valve to be removed from its installation
without disturbing its pipework.
AQUABLEND 1500
Enware Product Code ATM700
Outlet Size 1” with 1/2" and 3/4" BSP adaptors
Inlet 1/2" BSP male with compression nuts
Dry Weight 2 kg
Finish Nickel Plated
160
80
225
125
1” BSP (½” & ¾” BSP
ADAPTORS SUPPLIED)
1/2" BSP
IMAGE 1
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PRODUCT DESCRIPTION
Method of operation is illustrated in IMAGE 2 below:
Hot and cold water is supplied to each side of the valve
respectively. The hot water enters through a port below the
Piston, the cold water enters above the Piston. Upon entry
the water begins to blend and enters the Mixing Tube. At
this point the mixed water contacts the thermostatic wax
Element. The Element will extend or contract to match the
water temperature it is exposed to causing the Piston to move,
thereby regulating the amounts of hot and cold water entering
the valve. This thermostatic mechanism maintains the mixed
water temperature at a constant temperature.
IMAGE 2 - GENERAL ARRANGEMENT DRAWING
www.enware.com.au Call 1300 369 273 9
PRODUCT DESCRIPTION
If, for example the inlet hot pressure dropped, the ow of
hot water into the valve would be reduced and the valve
would react as per the following sequence of events:
• Element is exposed to mixed water at a reduced
temperature
• Thermostatic Element contracting
• Piston is pushed upwards by the return spring restricting
cold ow, consequently opening more of hot port.
• Valve attempts to restore itself to original temperature
setting.
Similarly if the hot inlet temperature dropped, the element
would again see blended water at a lower temperature and
therefore the Element would again contract reducing the
cold port piston gap and hence supply more hot water and
less cold. Once again the valve attempts to restore itself to
its original setting. This will occur for all changing conditions
including changes to ow rate, inlet temperatures and inlet
pressures.
In the event of a sudden loss of the cold water supply the
Piston will shut off the hot port thus stopping any ow through
the valve. The valve will also shut down the cold supply if there
is a hot water failure.
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RECOMMENDED PRESSURES
& TEMPERATURES
MIXED OUTLET TEMPERATURE
Temperature Adjustment Range 35-48°C
INLET TEMPERATURES
Cold Supply Minimum 5°C
Maximum 30°C
Hot Supply Minimum 55°C
Maximum 90°C
Hot to Mix Temperatures Differential for
Stable Operation Minimum 10°C
Cold to Mix Temperatures Differential
for Stable Operation Minimum 5°C
FLOW RATES - TO ENSURE STABLE CONDITIONS SEE IMAGE 3
Minimum 4 litres/minute as per ow sizing graph
Maximum 39 litres/min @ 300kPA Pressure loss as per ow
sizing graph
DYNAMIC INLET PRESSURES
Hot & Cold Inlet Pressures Minimum 20kPa
Maximum 500kPa
STATIC INLET PRESSURES
Hot & Cold Inlet Pressures Maximum 1600kPa
INLET PRESSURE RATIO
H - PL = H¹
C - PL = C¹
H¹ : C¹ = Max 10:1
C¹ : H¹ = Max 10:1
H = Hot inlet pressure
C = Cold inlet pressure
PL = Pressure Loss
NOTE: For optimum operation it is recommended that the hot
& cold water supply pressures be balanced to within +/- 10%.
Notwithstanding the above, compliance with AS3500 must be
maintained.
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