Service manual
Table Of Contents
after each burner start
the boiler is
water flow
p
roblem P boiler does check water flow have at least one
doin
g
a
p
um
p
test. The boiler is
continuous not
p
ass radiator alwa
y
s o
p
en
startin
g
and sto
pp
in
g
the
p
um
p
and
p
um
p
test
measuring both the dynamic and pump test install a differential bypass
static s
y
stem water
p
ressures. re
p
eatin
g
valve between flow and
each return
The two ri
g
ht se
g
ments 15 seconds
show the actual flow tem
p
erature vent the s
y
stem vent the air bleed cocks
(
boiler/radiators
)
one at a time
Press the “+” button for 5-10 seconds, the status 8 comes u
p
(
water
p
ressure
)
Read the
p
ressures. check
p
um
p
function vent
p
um
p
, accelerate
p
um
p
a
)
. if the delta P is under 0,05 bar, the boiler has no water. shaft
b
)
. if the delta P is above 0,54 bar
(
0,64 for t
yp
e 40 and TWIN
)
, the water does not flow.
c
)
. If the delta is between 0,05 and 0,54
(
0,64 for t
yp
e 40 and TWIN
)
, check
p
ressure use view o
p
tion in
the water flow is all ri
g
ht, the
p
um
p
test ends. sensor function menu mode
hi
g
h s
y
stem water, P hi
g
h wate
r
drain water from blockin
g
mode releases after
p
ressure > 3,0 ba
r
continuous
p
ressure the s
y
stem drainin
g
under 2,9 ba
r
with water
p
ressure above
3,0 bar
(
hi
g
h
p
ressure
)
or unde
r
combo-boiler in hot water
o
p
en at least one thermostat
0,2 bar
(
low
p
ressure
)
, a combo-boiler makes valve to create contact, via
the regulation blocks. the flow pipe to the return
The two ri
g
ht se
g
ments
p
i
p
e and ex
p
ansion vessel.
show the actual water
p
ressure
The boiler is o
p
erational with a check the ex
p
ansion
p
re-
p
ressure de
p
ends on the
water
p
ressure between vessel
p
re-
p
ressure installation hei
g
ht above the
0,5 and 3,0 bar. ex
p
ansion vessel
5 meter - 0,5 ba
r
Advised is to fill the system with 10 meter - 1,0 bar
a water
p
ressure between 15 meter - 1,5 bar
1,5 to 2 bar.
low s
y
stem water P low water fill the s
y
stem blockin
g
mode releases
p
ressure < 0,2 ba
r
continuous
p
ressure with wate
r
after fillin
g
above 1,3 bar
Trouble shooting manual EN E000129004