Taconova TACOTHERM FRESH PETA 2, Operating Instructions Manual

Page: 50 / 76

3.
To release the heat exchanger, use an adjustable spanner to
release the 4 bolted connections (Fig. 30/1).
4.
The red marking on the heat exchanger indi-
cates how the heat exchanger should be posi-
tioned.
Observe the position of the red marking and remove the old
heat exchanger.
5.
Install the new heat exchanger so that the red marking is in the
same position again.
6.
To bolt the new heat exchanger in place, tighten the 4 bolted
connections (Fig. 30/1).
7.
Using a hexagon socket screw key to tighten all pipe fasteners
that were released.
8.
Restart the fresh hot water station (
Ä
Chapter 7 ‘Commis-
sioning’ on page 39).
9.3.2 Replacing the pump
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. 31) for the supply line to the
pump to ensure no water can flow through the pump.
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 pump using an adjust-
able spanner, and lift the pump off.
4.
Collect the remaining water using a cloth.
5.
Install the new pump.
Fig. 30: Releasing bolted connections
Fig. 31: 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 50