20
Connection diagram
Rail mount
1.
Insert mounting feet into rail
mount opening.
2.
Lock hook in place by pushing
down.
8. Connection diagram
Hazard!
Connection must be performed by an authorised professional
electrician! Ensure that unit is de-energised before opening it!
230V connections
Low voltage connections
L=
Ph
as
e
230V
ma
ins
1=L1 [230V)
Connecti
on Delta T1 pump
2=L1
[23
0V) Co
nn
ec
tio
n D
elta
T2
pu
mp
Co
nne
cti
on
w
ith
ou
t fun
cti
on
N=Neutral
230
V ma
in
s, pumps
Co
nnection burner
blo
ck
[isola
ted)
=Earthing
Bu
s c
on
ne
ctio
ns
fo
r n
etw
ork
ing
[
see p
ara
m
ete
r
03
:0
3)
Co
nne
cti
on
s w
ith
ou
t func
tion
Co
nne
cti
on
s w
ith
ou
t func
tion
F1=S
en
so
r h
eat
st
orag
e tank
D
elta-
T1
[KV
T20)
F2=Se
nso
r he
at sto
rag
e tank De
lta T2/
re
turn flo
w
De
lta T1 [KVT
20), [o
ptio
n)
F3=Sens
or h
ea
t sup
plier
D
elta
-T1
[
PT10
00
)
F4=S
en
so
r h
eat
supp
lier D
elt
a-T2 [P
T1
000)
