Z
Z
O
O
N
N
E
E
P
P
L
L
U
U
S
S
F
F
3
3
2
2
8
8
m
m
/
/
F
F
3
3
2
2
8
8
e
e
IIN
N
S
S
T
T
A
A
L
L
L
L
A
A
T
T
IIO
O
N
N
A
A
N
N
D
D
C
C
O
O
M
M
M
M
IIS
S
S
S
IIO
O
N
N
IIN
N
G
G
II
N
N
S
S
T
T
R
R
U
U
C
C
T
T
IIO
O
N
N
S
S
LEAFLET No P82419
ISSUE 1
P
Pa
ag
ge
e 4
4
Email: [email protected]
Website: www.horstmann.co.uk
The F328m / F322e valve with auxiliary switch has been designed
to control the water circulation in fully pumped systems, which
employs a single pump for both Hot water and Central heating
circuits, by allowing the flow to either or both circuits.
Horstmann Controls Limited
Bristol
BS4 1UP
t:0117 9788 773 - f:0117 9788 701
M
Mo
ot
to
or
r s
su
up
pp
plly
y v
vo
ollt
ta
ag
ge
e:: 230V AC, 50Hz
P
Po
ow
we
er
r c
co
on
ns
su
um
mp
pt
tiio
on
n:: <6.5W
L
Le
ea
ad
d s
su
up
pp
plliie
ed
d:: 1 metre 5 core cable. Industry standard colours used
E
Ea
ar
rt
th
h c
co
on
nn
ne
ec
ct
tiio
on
n r
re
eq
qu
uiir
re
ed
d..
O
Olliiv
ve
e S
Siiz
ze
e:: F228m - 28
mm
(Metric)
F228e - 1
1/4
inch (Imperial)
O
Op
pe
er
ra
at
tiin
ng
g f
fllo
ow
w t
te
em
mp
pe
er
ra
at
tu
ur
re
e:: Up to 80
o
C
S
Sw
wiit
tc
ch
h r
ra
at
tiin
ng
g:: 5 Amps
M
Ma
ax
xiim
mu
um
m a
am
mb
biie
en
nt
t t
te
em
mp
pe
er
ra
at
tu
ur
re
e:: 50
o
C
M
Ma
ax
xiim
mu
um
m s
st
ta
at
tiic
c p
pr
re
es
ss
su
ur
re
e:: 21 Bar
M
Ma
ax
xiim
mu
um
m d
diif
ff
fe
er
re
en
nt
tiia
all p
pr
re
es
ss
su
ur
re
e:: 2 Bar
P
Piip
pe
e f
fiit
tt
tiin
ng
g s
siiz
ze
e:: 28
mm
compression
A
Ac
ct
tu
ua
at
to
or
r:: Maximum time to power open - 20 seconds
Maximum time to spring close - 10 seconds
O
Ov
ve
er
rr
riid
de
e lle
ev
ve
er
r::
For manual operating to open valve for system draining or filling.
During normal operation, the lever must be in the auto position.
SPECIFICATION
P
Pa
ag
ge
e 1
1
INSTALLATION AND CONNECTION SHOULD ONLY BE CARRIED OUT BY A SUITABLY QUALIFIED
PERSON AND IN ACCORDANCE WITH THE CURRENT EDITION OF THE I.E.E. WIRING
REGULATIONS. A CLASS ‘A’ SWITCH (HAVING CONTACT SEPARATION OF AT LEAST 3MM IN
ALL POLES) MUST BE INCORPORATED IN THE FIXED WIRING AS A MEANS OF DISCONNECTING
THE SUPPLY, NORMALLY AT THE CONSUMER UNIT. THE SYSTEM MUST BE APPROPRIATELY
FUSED.
W
WA
AR
RN
NIIN
NG
G :: IIS
SO
OL
LA
AT
TE
E M
MA
AIIN
NS
S S
SU
UP
PP
PL
LY
Y B
BE
EF
FO
OR
RE
E C
CO
OM
MM
ME
EN
NC
CIIN
NG
G IIN
NS
ST
TA
AL
LL
LA
AT
TIIO
ON
N
COMMISSIONING
C
CE
EN
NT
TR
RA
AL
L H
HE
EA
AT
TIIN
NG
G O
ON
NL
LY
Y..
Set the cylinder thermostat to minimum or turn the HW off at the programmer.
Set the room thermostat to maximum and turn the CH on at the programmer.
The valve should close Port B. The boiler should fire, pump run and the pipe on the Port A side
should get hot.
H
HO
OT
T W
WA
AT
TE
ER
R A
AN
ND
D C
CE
EN
NT
TR
RA
AL
L H
HE
EA
AT
TIIN
NG
G..
Set the room and cylinder thermostat to maximum and turn the HW and CH on at
the programmer.
The valve should be in the mid-position. The boiler should fire, pump run and the pipes on
both Port A side and Port B should get hot.
Reset both thermostats and the programmer to their normal settings.
P
Plle
ea
as
se
e n
no
ot
te
e the above assumes that both programmer and thermostats are being used. If this
is not the case, ignore the action described for the item not fitted.