50
MAINTENANCE GUIDE
MAINTENANCE GUIDE: CLAS HE
3.11 SECONDARY HEAT EXCHANGER
SECONDARY HEAT EXCHANGER
Tools
Time
10 min
1
Drain primary and domestic hot water circuits. Remove the two
screws and remove the heat exchanger
3.12 CONDENSE TRAP
CONDENSE TRAP
Tools
Time
5 min
1
Unscrew the condense trap from the condense
body
Page. 14 of 24
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
Summary of Contents for 47-116-51
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