Fig 1. Gas Valve - Warmworld FFC 30/60 Installation & Service Instructions Manual

Commission Check List (hydraulic)
The key points which must be observed closely, are
shown below.
With radiator valves and vents open fill the
system.
Do not use pump. Do not light gas
Check for and rectify leaks.
Drain to flush system.
Refill system, adding 3/4 of the inhibitor.
Do not light boiler.
Vent all radiator and air release points.
Run pump for 5-10 second bursts and revent.
Condensing Boiler
Do not light boiler.
Run pump for at least 30 minutes.
Stop at 5 minute intervals to vent.
Continue venting until no more air noise can be
heard.
Light boiler and run at max thermostat setting.
Continue for 15 minutes, venting every 5
minutes.
Add remainder of inhibitor.
11
Fig.1
06/06/01