Commissioning; Checking The Gas Inlet Pressure - Worcester Greenstar Ri Compact ErP Installation, Commissioning And Servicing Instructions

COMMISSIONING

4.
1.
2.
Fig. 46 Control panel to service position
1. Press the service button for more than five seconds and the boiler will
go into service mode.
2. The red LED will flash when the boiler is in the service mode.
▶ Turn the control knob to "max." or "min." for the desired output, the
red LED will flash a five flash sequence for maximum output and a two
flash sequence for minimum output.
The blue light on the fascia will also flash at the same rate
as the red LED
▶ Press the service button again briefly to switch out of service mode
and the LED will stop flashing.
1
2
Fig. 47 Service mode
▶ When the checks have been completed and the boiler is returned to
normal operation, replace the installer access cover and secure with
the screws.
▶ Return the control panel to normal operating position.
32
3.
5.
7.
6.
≈
5 s 5 s
min
max
6.5 Commissioning
Check the following points, and then continue with the commissioning:
▶ That the boiler has been installed in accordance with the installation
instructions.
▶ The integrity of the flue system and flue seals.
▶ 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
1
Fig. 48 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 6.4.1.
▶ Check the gas supply working pressure at the gas valve conforms to
values shown in Fig. 49 or Fig. 50 .
Greenstar Ri Compact ErP 6720813282 (2015/07)