31
3.2
I
NITIAL
S
TART
-
UP
T
HE CHECKS TO BE RUN BEFORE INITIAL START
-
UP ARE AS
FOLLOWS
:
1. Make sure that:
- the screw on the automatic air valve has been loosened
when the system is full;
- If the water pressure in the system is
below 1.5 bar, bring it up to the
appropriate level;
- Ensure that the gas cock is closed
(F
IG
. 3.1);
- Make sure that the electr ical
connection has been made properly and that the earth
wire is connected to an efficient earthing system;
- Supply power to the boiler by turning the On/Off knob
“A” (see F
IG
. 3.2) - on the display will appear “
on
”. Turn
the knob “C” to maximum and switch the time clock to
constant.
After 7 seconds, the boiler will signal a shutdown due to
ignition failure. Leave the boiler as it is until all of the air
has been bled from the system.
- Loosen the cap on the head of the pump to eliminate
any air pockets;
- Repeat the procedure for bleeding the radiators of air;
- Open the hot water taps for a brief period;
- Check the system pressure and, if it has dropped, open
the filling loop again to bring the pressure back up to
1.5 bar.
2. Make sure that all radiator valves are open;
3. Check the flue system for products of
combustion, tightness and stability.
4.
Fill the boiler condensate trap
with water.
N.B. In the event of a prolonged
period of system shutdown, the condensate trap
should be filled before any renewed use . A
shortage of water in the trap could temporarily lead
to fumes leaking into the air.
5. Turn on the gas cock (F
IG
. 3.3) and check the seals on
the connections with an approved soap solution and
eliminate any leaks.
6. Press the reset button
“D” (see F
IG
. 3.4) the boiler will
re-attempt ignition. If the burner does not light the first
time, wait 1 minute, purge the gas and repeat the
procedure.
7. Run the boiler in Hot Water mode and bleed air from the
system
8. Check the minimum and maximum burner pressure
values; adjust if necessary using the values indicated in
the table in S
ECTION
4 (Page 36).
1
2
3
4
5
6
1
2
3
4
5
6
E
C
II
D
1
2
3
4
5
6
1
2
3
4
5
6
E
C
II
A
C
F
IG
. 3.1
Fig. 3.3
F
IG
. 3.2
F
IG
. 3.4
Summary of Contents for microGENUS HE 24 MFFI
Page 68: ...68 10 BENCHMARK COMMISSIONING CHECKLIST...
Page 69: ...69 11 SERVICE INTERVAL RECORD...
Page 70: ...70...
Page 71: ...71...
