Technical information

51
MAINTENANCE GUIDE
MAINTENANCE GUIDE: CLAS HE
3.13 SAFETY VALVE
SAFETY VALVE
Tools
Time
3.14 BY-PASS ASSEMBLY
5 min
1
Drain boiler (see 3.3). Disconnect the
discharge pipe
Remove the first clip on the left and
pull the safety valve towards you
BY-PASS ASSEMBLY
Tools
Time
5 min
1
Drain boiler (see 3.3). Remove the
second clip and pull the assembly
toward you
Push on the by-pass to disengage it
Page. 15 of 24
MAINTENANCE GUIDE: CLAS HE
3.15 TEMPERATURE SENSORS & OVERHEAT THERMOSTAT
TEMPERATURE SENSORS & OVERHEAT THERMOSTAT
Tools
Time
5 min
1
OT : White wires Remove the clip and the
temperature sensor or
overheat thermostat together
NTC1 : Black wires
NTC2 : Grey wires
Unplug the electrical
connectors
IMPORTANT!!!! Do not use conducting paste for the contact sensors because it will alter the resistance value.
TEMPERATURE (°C) RESISTANCE (kOmh)
0 27
10 17
20 12
25 10
30 8
40 5
50 4
60 3
70 2
80 1,5
3.16 MANUAL AIR VENT
MANUAL AIR VENT
Tools
5 min
Time
1
Drain boiler (see 3.3)
Remove the clip and lift the manual air vent from the exchanger
Page. 16 of 24