Note
The flow rate in the DHW cylinder may be no more than 7 m
3
/h.
KW
A
DHW
M
B
eT
eZ
eU
eI
rT
eP
rE
rW
eR
rZ
rW
KW Cold water
WW DHW
A
Heat pump interface
B
DHW inlet from the heat exchanger
Equipment required
Pos.
Designation
Quantity
Part no.
eP
Vitocell 100-L (500, 750 or 1000 l capacity)
or
Vitocell 100-V, type CVAA (300 l) or type CVA (500 l)
1
See Viessmann pricelist.
eR
Top cylinder temperature sensor
1
7438702
eT
2-way motorised ball valve (N/C)
1
7180573
eZ
Flow limiter (TacoSetter)
1
On site
eU
Vitotrans 100 plate heat exchanger
1
See Viessmann pricelist.
eI
Heating lance
1
ZK00037
rW
Spring-loaded check valve
1
On site
rE
Cylinder loading pump
1
7820403
or
7820404
rT
Cylinder temperature sensor, bottom (optional)
1
7438702
DHW cylinder with external heat exchanger and solar backup
tP
eI
rE rW
eZ
rO
A
eR
eT
rZ
rU
rW
C
B
eU
HR
WW
WW
KW
M
HV
KW
rT
A
Heat pump connection
B
Use the DHW circulation connection.
C
Solar circuit connection
HR Solar circuit flow
HV Solar circuit return
KW Cold water
WW DHW
Design information
(cont.)
126
VIESMANN
VITOCAL
7
5831388
