11
x
Technical data
69
FA ROTEX A1 BO - 10/2007
SW1
Main switch
S1
STL faul
t
S2
Burner fault
P
K
Pump P
K
P
Z
Circul
ation pump
3W
-U
V
3 way di
verter valve
P
L
Storage tank cha
rgi
ng pump
P
MI
Mixer circu
it
pump
MI
Mixer mo
to
r
MK
Mixer circu
it
BUS
Con
nection fo
r THETA
room sta
tion
or other THET
A c
ontro
ller or ALPHA
ro
om temp
erature control
RM
Resistance for mo
dem contact
(value dep
ends on desired function
)
t
MI
Mixer
circu
it f
low temperature
se
ns
or
t
AU
Ou
tsid
e tempe
rature sensor
t
WW
Storage temperature sensor
t
ET
Flue ga
s temperature sen
so
r
t
R
Return flow temperature s
ens
or
t
V
Flow
temperature sensor
STL
Safety temperatur
e limiter
Connectio
n cable
co
lo
urs
bl
blue
br
brown
ge
yell
ow
gn
green
gr
gr
ey
rt
re
d
sw
black
ws
w
hi
te
n.
b.
Con
tac
t no
t assign
ed
Fig.
11-6
Circuit di
agram fo
r oi
l conden
sing boi
ler
A1 BO (shown w
ith ROTEX THETA
23R
Control)
gn/ge
gn/ge
gn/ge
bl
bl
br
br
br
sw
bl
gn/ge
gn/ge
bl
sw
ws
gr
br
bl
br
br
bl
bl
bl
bl
br
br
br
bl
br rt
sw
rt
gn
bl
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
bl
br
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
n.b.
ge/gn
br
n.b.
rt
sw
J15
J6
J1
J14
J2
J3
J7
J4
J8
J10
J16
J13.B
J13.A
X1
X2
X3
X4
THET
A
23R
J9
J5
SW1
S1
S2
S1
230V/
50Hz
P
K
P
Z
P
L
P
MI
t
MI
t
AU
t
AG
t
R
t
V
t
WW
3W-UV
S2
MK
MK
COM
BS
SF
AG
BUS
