Sime GO 18 BF G20, User, Installation And Servicing Instructions

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70
EN
7 COMMISSIONING
7.1 Preliminary operations
a
WARNING
– Should it be necessary to access the areas in the
bottom part of the appliance, make sure that the
system components and pipes are not hot (risk of
burning).
– Before replenishing the heating system, put on
protective gloves.
Before commissioning the appliance, check that:
– the type of gas is correct for the appliance
– the gas isolation valves for the heating system and the water
system are open
– the system pressure as shown on the pressure gauge when
the system is cold , is between
1 and 1.2 bar
– the pump impeller rotates freely.
7.2 Before commissioning
After having carried out the preliminary operations, perform the
following to start the boiler:
– set the main system switch to "ON"
ON
Fig. 46
– the display is backlit and shows:
- the type of gas, “
nG
” (methane G20) or “
LPG
” (LPG)
- the firmware version
- the heat output and the correct representation of the
symbols
– lastly, the display shows the delivery temperature (e.g. 18°C),
if it’s in central heating mode, or the DHW output temperature
(e.g. 38°C) if it’s in DHW mode
– turn the multifunctional heating dial t to select the l
symbol (“SUMMER mode”)
– open one or more than one hot water tap. The boiler will work
at maximum power until the taps are closed. The temperature
of the domestic hot water detected at that moment will appear
on the display.
OFF
RESET
Fig. 47
– if there is a fault, the message
"E"
will appear on the display,
followed by the fault code (e.g.
"01"
- no flame detected)
m
CAUTION
In the event of a lockout, to reset the start conditions,
turn the multifunctional heating dial t to R ; wait
until the “
RES
” message appears on the display,
then turn the dial back to the previous position. This
operation can be carried out no more than 5 times.
– close the taps opened previously and check that the appliance
shuts down
– to select “WINTER mode”, turn the multifunctional heating dial
t to the desired setpoint. This sets the delivery temperature
of the boiler. The value can be set to between 20°C and 80°C
OFF
RESET
Fig. 48
– adjust the air thermostat and check that the boiler starts and
operates correctly
m
CAUTION
To check that the pressures in the network and at the
nozzles are correct, it is necessary to carry out the
procedure described in section "Chimney sweeper
function".