B Do not open the gas supply
valve before filling the system with
water.
Fig. 15
B The shut-off valves (170) open.
B Open the cold water tap (173) and vent the domestic
hot water pipe.
B Slowly fill the heating system until
After commissioning, a commissioning
report must be completed (page 36).
B The preload pressure of the expansion vessel is
correlated with the static height of the heating
system (see 19).
Warning: Do not operate the boiler
without water; otherwise the appliance
may be damaged!
Putting into service
B The radiator valves open.
the pressure reaches 1-2 bar.
B Do not use the boiler without water.
16
5.1 Before commissioning
310 Thermostat for domestic hot water
171
8.1
Manometer
170 Flow and return valves
173 Cold water connection
317 Multifunction display
367 “ECO” key
14
295 Device label
6 720 610 828 RO (02.01)
135 Main switch
Elbow for domestic hot water
364 Voltage control LED
136 Thermostat for heating
172 Gas tap (closed)
365 Mower key
366 Service key
Funnel siphon
363 Burner operation control LED
61 Emergency key
15.1 Exhaust pipe
i
5 Commissioning
Machine Translated by Google
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