Ariston G.C.N: 47-116-51(24kW) Installation And Servicing Instructions page 51

Drain boiler (see 3.3). Disconnect the
discharge pipe
3.14 BY-PASS ASSEMBLY
Tools
1
Drain boiler (see 3.3). Remove the
MAINTENANCE GUIDE: CLAS HE
second clip and pull the assembly
toward you
3.15 TEMPERATURE SENSORS & OVERHEAT THERMOSTAT
TEMPERATURE SENSORS & OVERHEAT THERMOSTAT
Tools
1
OT : White wires
NTC1 : Black wires
NTC2 : Grey wires
IMPORTANT!!!! Do not use conducting paste for the contact sensors because it will alter the resistance value.
TEMPERATURE (°C)
0
10
20
25
30
40
50
60
70
80
Remove the first clip on the left and
pull the safety valve towards you
BY-PASS ASSEMBLY
Push on the by-pass to disengage it
Unplug the electrical
connectors
RESISTANCE (kOmh)
27
17
12
10
8
5
4
3
2
1,5
MAINTENANCE GUIDE
Time 5 min
5 min
Time
Page. 15 of 24
Remove the clip and the
temperature sensor or
overheat thermostat together
51