31
Fig. 28
1.
Press red cap
A
of the thermally activated safety
valve against the valve.
Water must flow from the valve.
2.
If the flow rate is low, clean the valve or replace if
necessary.
Checking the installation room ventilation air aperture
Test run
1.
Start the boiler.
Operating instructions
2.
Check the settings and function of the boiler con-
trol unit.
Instructing the system user
Operating and service documents
File all parts lists, operating and service instructions in
the folder and hand this over to the system user.
Instructing the system user
The system installer should hand the operating instruc-
tions to the system user and instruct the user in oper-
ating the system.
This includes all components installed as accessories,
e.g. remote control units. In addition, the system instal-
ler must make the user aware of the required mainte-
nance work.
Maintenance and cleaning intervals
Safety instructions regarding maintenance and cleaning
Danger
Touching live components can result in life
threatening injuries. After turning off the
ON/OFF switch on the control unit, there are still
live components inside the control unit enclo-
sure.
■
Isolate the system from the power supply, e.g.
by removing the separate fuse or by means of
a mains isolator, and check that it is no longer
live.
■
Safeguard the system against reconnection.
Danger
Hot surfaces and fluids can result in burns or
scalding.
■
Before maintenance and cleaning work, switch
off the system and let it cool down.
■
Never touch hot surfaces on the boiler, flue
system or pipework.
■
Wear suitable personal protective equipment.
Commissioning, inspection, maintenance
Checking the function of the thermally activated safety valve
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