Supplied By www.heating spares.co Tel. 0161 620 6677
6
7
Equithermal mode – cur
ve slope
Press the b
utton – letter E with
the char
acters (-) and (1) through to (9)
attached will appear on the displa
y.
By
pressing the b
uttons
, select the
required equither
mal cur
v
e
.
The cur
v
e’
s
slope g
ro
ws with the g
ro
wing n
umber (E1
< E9) – see Fig.
2.
If y
ou wish to tur
n the equither
mal control
off
, select (E-).
By pressing the b
utton, the selection
is sa
v
ed in the memor
y and the system
s
witches to the ne
xt mode
Note:
Equither
mal control requires an
outdoor sensor to be connected to the
boiler
, which m
ust not be set to the SUM-
MER mode
.
Equithermal mode – parallel cur
ve
shift
Press the b
utton – letter P with
the char
acters (-) and (1) through to (9)
attached will appear on the displa
y.
By
pressing the b
uttons
, select the re-
quired shift as descr
ibed belo
w
, or s
witch
the mode off b
y selecting (P-).
V
alues with a min
us sign are subtr
acted
and v
alues with a plus sign added to the
heating w
ater temper
ature (deter
mined b
y
the equither
mal cur
v
e as a function of the
outdoor temper
ature).
By pressing the
b
utton sa
v
e the setting in the memo-
ry and retur
n bac
k to the star
ting position.
P-
no shift
P5
+3
P1
- 15
P6
+6
P2
- 9
P7
+9
P3
- 6
P8
+15
P4
- 3
P9
+21
Example:
x
Y
ou ha
v
e selected the E6 cur
v
e slope
and the outdoor temper
ature is - 10˚C
.
The corresponding heating w
ater tem-
fig.
2
fig.
3
fig.
4
Sc
hematic dia
gram of boiler contr
ol
P
arallel cur
ve shift
Equithermal cur
ves
per
ature is 73˚C
.
•
Y
ou ha
v
e selected par
allel shift P3 ….
- 6˚C
, the resultant heating w
ater tempe-
rature will be 73 – 6 = 67˚C
.
