Page 16
Page 17
INSTALLATION
INSTALLATION
INSTALLATION
INSTALLATION
Cold feed / open vent
pipework
(as supplied)
Interconnecting
Pipework
(By Installer)
Figure 1.7
BoilerMate
CP
Feed And Open Vent Pipe
I
t is normally envisaged that the top up cistern will be located in the same cupboard
as the BoilerMate CP appliance itself to maintain a dry roof space.
The cold feed/open vent pipework assembly (as supplied) should be used to install
the top up cistern directly on top of the appliance.
If it is necessary to locate the cistern in the roof space (or on a higher floor) the cold
feed/open vent pipework assembly (as supplied) should be used to connect to the
top up cistern and pipework site run by the installler to connect this to the appliance.
Obviously, any pipework in the roof space and the feed and expansion cistern will
need to be adequately insulated to protect against frost damage.
Combined Feed And Open Pipe Arrangements Must Not Be Used.
No valves should be fitted in the safety open vent which must be a minimum of 22mm
copper pipe or equivalent throughout its length.
The mains cold water supply to the ballvalve (if provided) shall be provided with a
suitable servicing valve.
The overflow/warning pipe (if provided) shall have a continuous fall, be fitted to
discharge clear of the building and be sited so that any overflow can be easily observed.
It shall also be installed in a size and material suitable for use with heating feed and
expansion cisterns in accordance with BS 5449 (e.g 22mm copper) and should not
have any other connections to it.
Note: If a warning/overflow pipe is NOT provided the top up cistern should be
filled from a temporary hose connection supplied from any cold water tap or
from a permanent cold branch provided adjacent to the top up cistern. The
temporary hose must be fitted with a double check valve and removed once
the appliance is filled.
The store may fill more slowly than the feed tank. It is important to check the
water level again in the cistern after commissioning.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
1
2
1
2
3
4
5
6
7
8
9
1
10
2
3
4
5
6
J18
J20
J19
J3
J7
J8
J1
TS
sen
sor
GN
D
GND
IN
O
UT
T1
T2
1
2
CW
sen
sor
1
2
Com
bi
ne
d
flo
w
and
HW
te
m
pe
ratu
re
sen
sor
L
- Br
ow
n
PR6
1
E
–
G/
Y
N
- Bl
ue
PW
M -
PW
M +
SPA
RE
Fu
se
Dip
Switch
1 2 3 4
To
DH
W
pi
pe
Al
l the
these
senso
r i
np
uts
carry
a
Vo
ltag
e o
f 5
V.
The m
ax
cab
le l
en
gth
is
1
m
et
er.
The senso
rs
co
nn
ect
ed
to
the co
ntro
l
Sh
ou
ld
b
e
free
fro
m
the ap
pl
ian
ce
earth
Connec
tor 2x3-poles with t
emper
atur
e output
fr
om flo
w sensor perspec
tiv
e
