Presto 86710 Notice D'installation page 27

Symbol Description
3-way solenoid
valve
NC safety solenoid
valve or draining of
shower control
Regulating valve
The system can be used on 3 types of looping:
EF
REC EC
Prod.
ECS
90634
1 or 2 loopings with mixed return to the hot water boiler
REC
EC EF
Prod.
ECS
Distributed installation: Mandatory flow for thermal shock, no circulation pump control and no discharge valve.
Art. Nr. Symbol
86626
85999
90634
T
85999
TA
86701
86626
90633
20%
80%
85999
TB
86702
86626
80%
20%
Possibility of implementing shower groups:
Possible config.
N°1 A1
N°2 A1
N°3 A1
N°4 A1
N°5 A1
N°6 A1
N°7 A1
N°8 A1
85999
TA
86701
86626
85999
TB
86702
86626
Description Art. Nr.
Centralised See
mixing valve PRESTO
cata.
Circulation pump
Temperature 86701
sensor 86702
90632
90634
A1
90632
90634
A4
90632
90634
B1
Looping A
A2
A2 A3
A2 A3
A2
A2
A2 A3
90632
90634
90632
90634
Symbol Description
Non-return
check valve
Presence
detector (PIR)
Manifold
90632
A2
90632
A3
90632
B2
Looping B
A4
B2
B3
B3 B4
B4
90632
90634
Art. Nr.
85949
90632
Looping A
90634
90634
Looping B
90634