Potable Water Expansion Vessel; Commissioning; System Manufacturer Information; Putting Into Operation - Panasonic PAW-TEXXE3 Manuel D'installation Et D'entretien

4.5.4 Potable Water Expansion Vessel

Fit the expansion vessel on the cold water pipe between the heater and the safety
group. Each time water is drawn, potable water must flow through the expansion
vessel.
The table below serves as a guide for measuring an expansion vessel. The different
cubic capacities of the individual vessel brands can result in different sizes. The
specifications refer to a heater temperature of 60 °C or 70 °C
Safety Valve
Response Pressure
Heater temperature
60°C
Heater type Brand
100
reflex DD 8
130
reflex DD 12
160
reflex DD 12
200
reflex DD 18
300
reflex DD 25
400
reflex DD 33
500
reflex DT5 60
750
reflex DT5 60
800
reflex DT5 60
1000
reflex DT5 80
31
Aquarea Tank
GB
6 bar 8 bar 10 bar
70°C 60°C 70°C 60°C
Type Type Type
DD 12 DD 8 DD 8 DD 8
DD 18 DD 8 DD 8 DD 8
DD 18 DD 8 DD 12 DD 8
DD 25 DD 8 DD 12 DD 8
DD 33 DD 12 DD 18 DD 12
DT5 60 DD 18 DD 25 DD 18
DT5 60 DD 25 DD 33 DD 18
DT5 80 DD 33 DT5 60 DD 25
DT5 80 DD 33 DT5 60 DD 33
DT5 100 DT5 60 DT5 60 DD 33
5.

Commissioning

5.1 System Manufacturer Information

The responsible fitter shall explain to the user how the hot water heater functions and
how to operate it.
He shall explain how important regular servicing is, and that the lifespan and
functionality are dependent on this.
If there is a risk of frost or it is being decommissioned, the heater must be drained.
Water seeps from the safety valve during the heat-up phase; this is completely
normal.
DO NOT CLOSE THE SAFETY VALVE!
The user receives all of the accompanying documentation.

5.2 Putting Into Operation

70°C

5.2.1 General Information

Commissioning must be carried out by the device manufacturer or an assigned expert.
DD 8
The heater must be commissioned in accordance with the corresponding installation
DD 8 instructions.
DD 8

5.2.2 Filling the Heater

DD 12
Before filling for the first time, the piping network must be rinsed out while the heater
DD 18 is connected. With the hot water tap open, the heater must be filled until water
escapes. Check the screw connections are all properly sealed and tighten if necessary.
DD 18
DD 25

5.3 Decommissioning

DD 33 The heater must be decommissioned according to the heating device operating
instructions. The heater should be drained if there is a risk of frost damage and when
DT5 60
decommissioning.
DT5 60
GB
Aquarea Tank
32