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1
Safety Guidelines
1.
Follow the installation instructions.
2.
Use the appliance
• according to its intended use
• in good condition
• with due regard to safety and risk of danger.
3.
Note that the appliance is exclusively for use in the
applications detailed in these installation instructions
(see 2 Technical Data). Any other use will not be
considered to comply with requirements and would
invalidate the warranty.
4.
Please take note that any assembly, commissioning,
servicing and adjustment work may only be carried
out by authorized persons.
5.
Immediately rectify any malfunctions which may
influence safety.
2
Technical Data
Media
Medium:
Connections/Sizes
Connection size:
Pressure values
Max. operating pressure:
Low pressure systems:
High pressure systems:
Maximum pressure
difference between hot and
cold inlet supplies:
Low pressure systems:
High pressure systems:
Operating temperatures
Max. hot water inlet
temperature:
Setting range:
Control accuracy:
Specifications
Flow rate at 1.0 bar pressure
differential across valve
approx.:
Installation position:
3
Options
For Options visit homecomfort.resideo.com/europe
MU1H-1381GE23 R0420
Drinking water
22/28 mm
max. 10 bar
0.1 - 1 bar
0.5 - 5 bar
0.4 bar
2.0 bar
90 °C
38 - 46 °C
<±4 K
43 litres/min
As required
GB
4
Assembly
4.1 Installation Guidelines
•
Before installing a TM300, check water flow rates,
supply temperatures and dynamic pressures at all
locations where the valve is to be installed to ensure
that expectations can be met
•
The installer should ensure that the installation
complies with the requirements of the "Water Supply
(Water Fittings) Regulations 1999"
•
It is strongly recommended that the pipework is
flushed before installing the mixing valve, grit, flux and
other debris will adversely affect the performance of
the mixing valve. No claim for malfunction will be
considered if adequate protection against dirt ingress
is not provided. If there is any doubt then a strainer
such as the Resideo FY32 should be fitted upstream
of the valve on both hot and cold water inlets
•
The TM300 may be installed in any orientation
including horizontal or vertical pipe work, ensure that
the valve is not strained or twisted
•
To comply with health regulations it is recommended
that no tap should be more than two metres from the
mixing valve
•
The TM300 should be connected in the water supply
pipe with the flow in the direction of the arrows
stamped on the body "+"=HOT and "-"= COLD and
MIX to the hot tap
•
The integral check valves supplied within the
tailpieces of the TM300-3/4H must be fitted to the hot
and cold water inlet ports. This is to prevent cross
circulation between hot and cold supplies and they
should not be moved under any circumstance
•
The optional 4 in 1 tailpieces supplied with the TM300-
3/4ZD provide the additional facilities of:
– Isolation
– Check valves
– Strainer
– Pressure Test Point
3
Note:
The TM300-
valves fitted.
4.2 Assembly instructions
4.2.1 As a mixing valve
The flow direction arrows must be observed when connecting
the hot and cold water inlets.
4.2.2 As a diverter valve
CAUTION!
For this application flow is in the reverse direction
and therefore is in the opposite direction to the
arrows on the housing.
3
/
ZH and ZT versions do not have check
4
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