4.2
Commissioing
-
Ignition
Warning
Do
not
proceed
with
commissioning
unless
all
the
criteria
detailed
within
sections 4.0
and
4.1
have
been
satisfied.
(a)
Ensure that the electrical
supply
is
turned
off.
(b) Ensure
that
the oil
supply
is
turned
off.
(c)
Select the following switch settings
on
the heater
oo/oH
off
heat
I ventila tion
heat
manual!
automatic automatic
(d) Turn
on
main
electrical
supply
.
(e)
Select
'on'
position for heater
onloff
switch.
(f)
Check for the following
burner
sequence
I
Interval
Operand
1 <5s
Combustion
air
damper
actuated,
burner
fan
motor
initiates
purge
cycle
...
2
Solenoid valve opens, ignition transformer
provides
spark
for pilot ignition
...
<ISs
E
IT
HER
I
I
,
3
>15s
Ignition failure caused
by
oil starvation
I I
resulting in
burner
lock-outl
shut-down
...
(g) Set heater
onloff
switch to 'off' position
(h) Attach oil manifold (bleed screw
and
pressure gauge)
(i)
Open
oil
supply
valves
and
bleed
air
from
pipework
and
adjust
burner
oil pressure as datailed
in
burner
manual
(section
B)
(j) Repea t steps
4.1
q
and
4.2
c,
e,
f.
3
4
>15s
<20s
OR
Burner ignition.
..
flame detection
...
Burner ignition cycle complete.
Note
It
is
strongly
recommended
that the separate
manual
concerning the operational details of the
burner
supplied with the heater as
part
of the information package
is
studied prior to commissioning.
Time intervals
within
the ignition sequence will
vary
slightly from
one
model to another.
Warning
If
burner
ignition is
not
satisfactorily accomplished, commissioning
must
not
proceed until
the
25
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