Viessmann VITODENS 100 Installation And Service Instructions Manual page 46

Installation sequence
Commissioning and testing
Danger
Open all doors and windows; extinguish naked lights and do not smoke
whilst purging the gas line.
Before commencing the commissioning procedure, ensure that the gas service
cock is turned on, the electricity supply is isolated and that the DHW and CH
pipework is complete.
Fill the system with cold water. It may be convenient to carry out this procedure
before fitting the boiler to the piping frame. Vent the system via the radiator
valves and system air vents in accordance with normal practice, close all air
vents and check for system soundness. Drain the entire system to flush out any
debris.
Additives from the approved list below may be used. The use of non
approved additives will invalidate the warranty on this product.
Anti-scaling: Sentinel X200
Anti-bacterial:
System Cleaner (Fernox)
Sentinel X300...
Antifreeze:
Glycol (30% max.)
Antifreeze (Fernox)
Sentinel X500...
Anti-corrosion:
Inhibitor (Fernox)
Sentinel X100...
Cleaner:
Cleanser (Fernox)
Sentinel X300...
Do not usenon approved additives or any chemicals from the following list
Boiler noise silencer
Leak sealer
Fuel, Oil, Grease, Washing powder/liquid
pipe jointing compound (like boss white and boss green, Sentinel)
Anti-blockage
Note
Additive combinations are permitted only if approved additive suppliers recom-
mend it and always according to supplier´s dosage recommendation.
It is essential that the procedure below is followed to ensure that all the air in the
boiler heat exchanger and the system is completely vented prior to firing the
appliance.
46
(cont.)