28
Installation and maintenance instructions ecoTEC plus 937 0020031552_06
Push the union nut (
4
) with the inserted olive (
3
)
onto the copper tail (
5
) included with the combi
boiler. The diameter of this pipe is 15 mm.
Insert the copper tail into the cold water isolating
valve up to the stop. Tighten the union nuts in this
position.
Insert the fibre seal (
7
) and screw the copper tail (
6
)
which is included with the storage tank module, to
the hot water connection on the unit. The diameter of
this pipe is 15 mm.
Fit the handle for the filling loop to the cold water
stop valve (
2
) with a countersunk screw.
i
To operate a circulation pump, we recom-
mend using the accessory set
Item. no. 0020057235.
i
Using a circulation pump negatively affects
hot water comfort, as it causes turbulence
and disrupts the stratification in the tank.
Limit the flow rate of the circulation pump in order to
prevent the hot water supply from being negatively
affected.
i
Using a circulation pump increases energy
consumption.
>
>
>
>
>
5.13
Connecting piping between the stratified
storage tank and the combi-heater
2
1
4
3
Fig 5.8 Piping between shift load storage tank and combina-
tion boiler
Remove the pipe sections (
1
), (
2
), (
3
) and (
4
) with the
associated fibre seals from the box of accessories of
the shift load storage tank.
Fit the formed pipe and straight pipe sections in the
correct sequence.
i
The formed pipes (1) and (2) must be fitted
first.
>
>
5 Sequence of operations during installation
Summary of Contents for ecoTEC plus 937
Page 1: ...For the heating engineer Installation and maintenance instructions GB IE ecoTEC plus 937 VUI...
Page 74: ...74 Installation and maintenance instructions ecoTEC plus 937 0020031552_06...
Page 76: ...76 Installation and maintenance instructions ecoTEC plus 937 0020031552_06...
Page 77: ...Installation and maintenance instructions ecoTEC plus 937 0020031552_06 77...
Page 78: ......
Page 79: ......
Page 80: ...0020031552_06 GBIE 102010 Subject to alterations...
