GREENSTAR 12Ri ErP, Installation, Commissioning And Servicing Instructions

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COMMISSIONING
Greenstar Ri ErP - 6 720 813 283 (2015/07) 30
Switching the appliance ON/OFF:
▶ Turn on mains power, the power ON indicator (2) illuminates BLUE.
▶ Turn on any external controls
▶ Set the thermostatic radiator controls to maximum temperature
▶ Set the clock/programmer to continuously ON and the room
thermostat to maximum temperature
1. Turn Power ON/OFF knob (1) from 0 (OFF position) to I (ON
position), after two seconds the Power ON indicator (2) illuminates.
2. Turn the boiler CH temperature control (3) to maximum. The burner
on indicator (4) illuminates GREEN when the burner has lit.
▶ If the boiler fails to light and the boiler goes to flame lock-out, the
BLUE power indicator (2) will flash.
3. To reset the lockout turn the boiler thermostat control to minimum,
then passed minimum where the control knob will click at reset
position, wait 5 seconds then turn to maximum. The boiler will be
reset.
6.5 COMMISSIONING
Having checked:
▶ That the boiler has been installed in accordance with the installation
instructions.
▶ The integrity of the flue system and flue seals, as described in
section 7.3 of this manual.
▶ The integrity of the boiler combustion circuit and relevant seals.
6.5.1 CHECKING THE GAS INLET PRESSURE
The inlet pressure to the appliance must be checked using the following
procedure:
MEASURING THE INLET PRESSURE
Fig. 42 Inlet pressure test point
▶ Close gas isolation valve.
▶ Slacken the screw in the inlet pressure test point (1) and connect a
manometer.
▶ Open gas isolation valve.
▶ Measure the pressure with the boiler running at maximum.
– Refer to section 7.4 to set the boiler to maximum output.
– The boiler will stay at maximum for 15 minutes.
– Return the boiler to normal after the checks.
▶ Check the gas supply working pressure at the gas valve conforms to
values shown in Fig. 43 or Fig. 44 .
GAS PRESSURE WITHIN THE SYSTEM
Refer to the figures below for natural gas or L.P.G gas pressures.
The pressure at the boiler must not be less than the pressure read at the
meter minus:
• 1mbar for Natural Gas
• 2.5mbar for L.P.G.
The pressure drop from the meter to the gas valve must not be more
than:
• 2.5mbar for Natural Gas
• 4mbar for L.P.G.
If the pressure drops are greater than shown below, then this would
indicate a problem with the pipe work or connections within the system.
Fig. 43 Natural gas pressures
Fig. 44 L.P.G. pressures
1 Power ON/OFF knob
2 Power ON and fault indicator (Blue)
3 Central heating temperature control
4 Burner indicator (Green)
Table 28 Control panel legend
NOTICE: RESET
▶ Do not press the blue power indicator to reset the
boiler.
6720643895-53.1Wo
1

Equal to or less than .....
NOTICE:
Do not continue commissioning until the correct gas
pressure is achieved.
Meter
Boiler inlet
Gas Control
valve
19 - 23 mbar
18 - 22 mbar
16.5 - 20.5 mbar
1 mbar
drop
1.5 mbar
drop
Natural Gas
< 2.5mbar
difference
6720644744-44.2Wo
Gas Control
valve
L.P.G.
< 4.0mbar
difference
Regulator
Boiler inlet
32 - 45 mbar
29.5 - 42.5 mbar
28 - 41 mbar
2.5 mbar
drop
1.5 mbar
drop
6720644744-45.2Wo