Atag XL75W - Hydraulic Circuit Diagram

6
Product description
ATAG XL W hydraulic circuit diagram
Legend:
1 heat exchanger 1 = burner A
2 heat exchanger 2 = burner B
3 ignition
4 ceramic burner
5 gas valve
6 fan
 ÀXHQRQUHWXUQYDOYH
8 venturi
9 automatic air vent
10 circulation pump
11 control unit HMI
12 burner control unit
 ÀXHJDVRXWOHW
14 air inlet
15 water non return valve
7 ÀRZVHQVRU
7DVHFRQGDU\ÀRZVHQVRU
T2 return sensor
P1 water pressure sensor
G gas pipe
$ ÀRZSLSH&+
R return pipe CH
C condensate drain pipe
14 13
12
11
15 15
10
7 7
4 4
3 3
9
5 5
10
1 2
6 6
8 8
P1
RACG
T1a T1a
T2 T2
T1 T1
Burner B
Burner A