Page 18
23/03/01
ASSEMBLY INSTRUCTIONS FOR: Ca 7s / BCa 7s
Legend:
1.
1
Pow
er Sw
itch
O
N
/O
FF.
1.
2
Summ
er / W
inter
Switch.
1.
3
H
igh
Lim
it
STB Test
S
w
it
ch
.
1.
4
Bo
iler Li
m
it Therm
ost
at.
1.
5
Boiler Therm
ostat Sta
ge 1.
1.
6
Boiler Therm
ostat Sta
ge 2.
1.
8
H
ours
Ru
n Meter
Sta
ge 1
.
1.
8a
Fre
quen
cy of Swit
chin
g
S
ta
ge
1 (o
pt
io
na
l)
.
1.
9
H
ours
Ru
n Meter
Sta
ge 2
.
1.
9a
Fre
quen
cy of Swit
chin
g
S
ta
ge
2 (o
pt
io
na
l)
.
1.
14
Bo
iler Li
m
it Therm
ost
at
(for operati
on at
11
0ºC
(op
tio
nal
extra).
1.
20
Bu
rn
er Lock-ou
t Lam
p
1.
21
H
igh
Lim
it
Lam
p.
1.
23
Fuse 6.
3A.
K2B Instrument C
ontr
ol Panel
-
Inte
rnal
W
iring Diagram
