Honeywell MTA06, MTA06H Installation instructions
MTA06 / MTA06H
Installation instructions
EB-MTA06 Rev. C
Pressure Reducing Valve Combination
7.2
9.2.1
8.1
9.
5.
8.
7.
1.
6.
4.
10.
3.
1.
9.3
4.
5.
9.
5.
6.
1.
7.
3.
6.
4.
10.
7.
8.
10.
13.
9.
12.
9.4
8.
1.
3.
6.
8.
4.
5.
11.
11.
9.
3.
MU1H-1037GE23 R1208 Honeywell GmbH
GB
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. 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. Functional description
The pressure reducing combination combines a shutoff valve,
a pressure reducing valve and a check valve in one appliance.
Spring loaded pressure reducing valves operate by means of
a force equalising system. The force of a diaphragm operates
against the force of an adjustment spring. If the outlet pressure and therefore diaphragm force fall because water is
drawn, the then greater force of the spring causes the valve
to open. The outlet pressure then increases until the forces
between the diaphragm and the spring are equal again.
The inlet pressure has no influence in either opening or
closing of the valve. Because of this, inlet pressure fluctuation
does not influence the outlet pressure, thus providing inlet
pressure balancing.
Check valves have a moving seal disc which is lifted off the
seat by a greater or lesser amount depending on the flow rate
through the valve. If the flow falls towards zero, then the
spring pushes the disc back onto the seat and seals the
waterway.
3. Application
Medium Water, compressed air* and nitrogen* in
consideration of valid standards (e.g. DIN
EN 12502)
Inlet pressure max. 16 bar (MTA06-B)
max. 25 bar (MTA06-H)
Outlet pressure 1.5-6 bar (preset 3bar) (MTA06-B)
*
As part of an installation being approved according to PED require-
ments, this product must also be certified.
1.5-12 bar (preset 5bar) (MTA06-H)
5. Scope of delivery
The pressure reducing valve combination comprises:
• Housing with pressure gauge connections on both sides
• Shutoff valve on inlet
• Double check valve on outlet
• Valve insert complete with diaphragm and valve seat
• Fine filter with 0.16 mm mesh
• Spring bonnet with adjustment knob and setting scale
(setting scale with MTA06-B only)
•Filter bowl
• Adjustment spring
• Pressure gauge not included (see accessories)
6. Options
MTA06-... B = With threaded connections (inlet male,
outlet female thread)
MTA06-... H = With threaded connections (inlet male,
outlet female thread, brass filter bowl up to
70°C)
7. Assembly
7.1 Installations Guidelines
Ensure that both connections to the PRV are tightened prior
to filling and pressurization
• Install in horizontal pipework with filter bowl downwards.
• The installation location should be protected against frost
and be easily accessible
o Pressure gauge can be read off easily
o Simplified maintenance and cleaning
• For residential applications where maximum protection
against dirt is required, install a fine filter upstream of the
pressure reducing valve
• Provide a straight section of pipework of at least five times
the nominal valve si ze after the pressure reducing valve (in
accordance with DIN 1988, Part 5)
7.2 Assembly instructions
1. Thoroughly flush pipework
2. Install pressure reducing valve combination
o Note flow direction
o Install without tension or bending stresses
4. Technical data
Operating temperature max. 40°C (MTA06-B)
Minimum pressure drop 1 bar
Connection size
Honeywell GmbH 3 MU1H-1037GE23 R1208
max. 70°C (MTA06-H)
(WRAS for cold water use only)
3
/4" and 1"
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