Atag A325ECX Installation & Servicing Instructions

Installation & Servicing instructions ATAG A-Series
26
8.2 Electrical diagram Solo boilers
230V AC
SYSTEM
CONTROLS
K01
K01
K01
K1
1. EXTERNAL SAFETY CONTACT*
2. IGNITION
3. GAS VALVE
4. IONISATION
5. EARTH
8. WATER PRESSURE SENSOR P1
10. FAN 230V
11 B. ALTERNATIVE: ROOMTHERMOSTAT
BATTERY POWERED*
11 A. ATAG Z ROOMTHERMOSTAT OPTION
12. OUTSIDE SENSOR T4 OPTION
14. FLOW SENSOR T1
15. RETURN SENSOR T2 16. FLUE GAS SENSOR T5 OPTION
T 3,15 H
T 3,15 H
19. FUSES 250V
20. SERVICE CONNECTOR
N
N
N
L
N
L
L
L
X1
X2
X4
X8
X9
X11
X12
K1
13a. EXT. DHW SENSOR T3 OPTION
X13
X6
X7
X5
230V
FUSE
T3,15AH 250V
SL N L
1 2 3 4 5
8G.44.50.00
L N
INSTALLATION
BOILER
21.
JUNCTION
BOX
DOUBLE POLE
ISOLATOR
FUSE
13b. EXT. DHW STAT. ON/OFF T3 OPTION
X10
brown blue black
18. MOTOR 3 WAY VALVE OPTION
6. PUMP
N
L
Figure 8.2.a
1. External safety contact 2. Ignition 3. Gas valve 4. Ionisation 5. Earth 6. Pump 7. Main power supply 230V 8. Water pressure sensor 10. Fan 230V 11. Room thermostat 12. Outside sensor 13a. Ext. DHW sensor (Option) 13b. Ext. DHW stat. on/off (Option) 14. Flow sensor 15. Return sensor 16. Flue gas sensor 18. External 3 way valve 230V 19. Fuses 20. Service connector 21. External switched live connection

Atag A325ECX Specifications

General

Brand	Atag
Model	A325ECX
Category	Boiler
Language	English