No. Description
when
done
1
Read carefully the instruction manuals supplied with this boiler.
2
BEFORE INSTALLING THIS BOILER FLUSH OUT THE PIPES UNTIL CLEAN WATER IS
ACHIEVED. IF REPLACING AN OLD BOILER, HUNT HEATING RECOMMENDS A
POWER FLUSH
3
instructions following and connect all services.
4
5
Check that all radiators valves are open, all lock shields remove the thermostatic valve heads,
fully open.
6
Turn ON gas, bleed air out at the isolation valve union. Reseal and check for gas leaks.
7
Turn electricity on at the power point. At the boiler front panel set the temperature setting to
the lowest setting, switch boiler to ON position.
8
Turn the room thermostat to the manual ON position set the temperature to a high level so that
shows an Indicator in the window.
9
In the gas line. A noisy water pump indicates there is air in the water pipes.
10
leaks as the system heats up.
11
Check that heat is circulating to all radiators through the manual or thermostatic radiator valve
12
-
ture to a mid temperature point.
-
se the water temperature to the new setting.
13
Check that all radiators are hot all the way up. If the radiator is cold at the top, then there is
usually air in the radiator Bleed the radiator. Balance the system so that all radiators are hot as
according to the radiator installation manual. Adjust the boiler water temperature.
14
Set the room thermostat to the correct times and temperatures according to the manufacturer’s
instructions.
15
On completion of the commissioning phase, complete the information sheet at the front of this
manual.
Hand over the installation to the owner and demonstrate how the system works plus basic fault
resolution and safety procedures. Make sure that this important document is kept in a safe
accessible place
A suggested method of commissioning the boiler, actual method can vary according to the boiler make type and the
IF IN DOUBT ASK
5
COMMISSIONING BOILER CHECK LIST
29
Summary of Contents for HE COMBI EXTERNAL
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