Baxi PRIME 1.24 Manual De Uso Destinado Al Usuario Y Al Instalador página 30

6.6.9 Connecting an external D.H.W. tank - PRIME 1.24
The PRIME 1.24 boiler can be connected to an external tank. The following figure shows the hydraulic connection of the external
tank TU. Connect the DHW priority sensor TS to the X7-B terminal of the CONNECTION CARD under the control panel. The
sensitive element of the NTC sensor must be inserted in the special well located on the tank. Make sure that the exchange
capacity of the tank coil is appropriate for the power of the boiler. Adjust DHW temperature (+35°C...+60°C) by operating the
knob accordingly.
X7-B: Terminal block for connection to the external tank
TS: tank probe
TU: Storage boiler
HS: Heating system
DCW: DHW inlet
Hf: Heating flow
Hr: Heating return
Tf: Tank flow
Tr: Tank return
7696306 (01-12/17)
X7-B
HS
TS
Hf
Tf
TU
30
PRIME 1.24
M
DCW
Tr
Hr
BO-0000147