Copyright © 2012 Thermann
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Solar Ready Tank Installation Guide
TH-SRT-Installation-Guide-V1
2.2 Pipe Work Connections
2.2.1 Inlet (Mains)
The mains line should consist of the following brass
components when installing:
• Duo valve
• Expansion control valve
• Pressure limiting valve
The ‘Quickie Kit’ can be purchased separately and
provides the above components with insulating jackets
to streamline the installation process.
2.2.2 Solar Flow
When installing the SRT without a solar collector, this
port is simply plugged using the supplied 3/4” brass plug.
When installing SRT with a solar collector, this port is
used for the water line directed up to the solar collectors
to be heated, and consists of the following components:
• Solar collector
• Circulation pump with unions
• Solar differential controller
• Check valve
• Flow meter
The Thermann retro-fit kit provides the above
components to complete the plumbing of the solar flow
line.
2.2.3 Solar Return
When installing the SRT without a solar collector, this
port is simply plugged using the supplied 3/4” brass plug.
When installing SRT with a solar collector, this port
is used for the water line returning from the solar
collectors after being heated. This line does not require
any additional components, but should be run as short
as possible and have continuous fall back to the solar
return port.
2.2.4 Outlet
The outlet is where the hot water from the SRT is
extracted to be supplied to the household. This line must
consist of the following component:
• Solar rated tempering valve
The Thermann pump station kit is provided with the
above component to complete the plumbing of the
outlet line of the system.
2.2.5 Sensor Ports
When installing the SRT without a solar collector, the
sensor ports remain unused, as all heating is controlled
by the thermostat and element inside the electrical
cover.
When installing the SRT with a solar collector, the
sensors must be coated with heat transfer paste inserted
through the cable gland into the appropriate port and
tightened. For more information on sensors, refer to
manual supplied with controller.
2.2.6 PTRV Port
The PTRV port is where the SRT ‘pressure and
temperature relief valve’ is to be installed. All PTRV’s
must be fitted with a copper drain pipe to carry any
discharge to an appropriate drain.
IMPORTANT
All SRT’s include a PTRV, which is located in the vertical
column of the SRT packaging.
PTRV handle must be operated every six months to
ensure valve still works and is free from sediment and
clarion/lime deposits.
Figure 2. PTRV Location in packaging
Figure 3. SRT Installed
