Ariston CONTRACT STD 125 User Manual - Page 13
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FIG. 10
For 300 L modles only
a) SINGLE ELEMENT
RECOMMENDED ECONOMY 7 SYSTEMS
THERMAL
CUT-OUT
L1
N
THERMAL
CUT-OUT
L2
N
THE IMMERSION HEATER SHALL BE INSTALLED WITH 85°C
RUBBER INSULATED HOFR-SHEATHED FLEXIBLE CORDS
COMPLYING WITH TABLE 8 OF BS 6141 : 1981
THE FOLLOWING DRAWING MUST BE REFERRED TO BEFORE
THE SIDE MOUNTED IMMERSION HEATER IS REPLACED.
THERMOSTAT MOUNTED
ON THE TOP
DIAG. 4A
THERMOSTAT
DAY ELEMENT
3 KW 240 V ~
THERMOSTAT
NIGHT ELEMENT
3 KW 240 V ~
ECONOMY 7
- 24 -
SCHEME OF ELECTRICAL CONNECTIONS WITH 2 MOTORISED VALVES 2 WAY
1
4
A
3
5
1
B
2
2
5
T6360B
ROOM
CM 41
OR
THERMOSTAT
CM 51
TYPICAL
BROWN
5
JUNCTION BOX
BLUE
2
• 1
GREY
1
ORANGE
10
• 2
GREEN/YELLOW
3
V4043H
HEATING VALVE
• 3
BROWN
8
• 4
BLUE
2
GREY
1
• 5
ORANGE
10
GREEN/YELLOW
3
• 6
V4043H
HOT WATER VALVE
• 7
L
1
N
2
• 8
E
3
• 9
240V
MAINS INPUT (3 AMP)
• 10
Cylinder
thermostat
1
8
1
Thermal
P
cut-out
P
6
1
P
2
Not
2
used
E
L
N
240V
MAINS INPUT (13 AMP)
FIG. 11
Thermal
Thermostat
cut-out
L1
240V~
N
- 25 -
ELEMENT
3 KW 240V~