Taconova TACOTHERM FRESH PETA 2, Руководство по эксплуатации

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6.
Ensure that O-ring seals are available.
7.
Tighten the bolted connections using an adjustable spanner.
8.
Set the pump in accordance with the controller instructions for
the station ( Ä
Chapter 1.2 ‘Other applicable documents’
on page 8).
9.3.3 Replacing the backflow preventer
Personnel:
n
Heating and sanitary technician
Protective equipment:
n
Protective gloves
Tool:
n
Adjustable spanner
Material:
n
Spare parts
n
Cloth
1.
Observe the flow chart (
Ä
Chapter 3.1 ‘Circuits
and connection points in the fresh water sta-
tion’ on page 23).
Close the main shut off valve (Fig. 32) for the supply line to the
backflow preventer to ensure no water can flow through the
backflow preventer.
2.
WARNING!
Risk of burns due to hot pipes!
If the pipe section is one through which hot water flows, wait
until the pipe section has cooled down.
3.
Release the bolted connection for the backflow preventer using
an adjustable spanner, and place the backflow preventer to
one side.
4. Collect the remaining water using a cloth.
5. Install a new backflow preventer.
6. Ensure that O-ring seals are available.
7. Tighten the new backflow preventer using an adjustable
spanner.
Fig. 32: Main shut off valve closed
TACOTHERM FRESH PETA 2 / PETA 2 X Faults
V02.2020 11/2020 Item no. 215747 EA no. 1329 Operating instructions 51