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M
S
ONITOR
CREENS
During normal operation and stand-by, the "◄" and "►" buttons can be used to show some Water heater information, including measured
temperatures, settings and data. The following explains which values can be shown in the display. When no button is activated for 2 minutes
the display will return to its status display.
Pressing [◄] or [►] while being at the "operating screen" toggles through the screens below.
When pressing [ON/OFF, RESET, ENTER] or [MENU] at any time the display returns to the base menu.
SCREEN:
1
T
1
F
l
o w
T
2
R e
t
SCREEN:
2
T
3
E
x
t
T
4
C a
l
SCREEN:
3
T
5
O u
t
T
6
F
l
u
SCREEN:
4
d T F
l
o w R e
d T F
l
u
e R e
SCREEN:
5
d T E x
t
R e
S
i
g n
a
l
SCREEN:
6
F
a
n
s
p
F
a
n
s
p
Fan maximum RPM: The maximum actual rpm may be lower than the maximum rpm set point. The fan may not be able to reach the
maximum rpm set point, because of the unit's resistance, which is still correct according to the design of that specific unit.
SCREEN:
7
F
l
a m e
s
W a
t
e
r
P
SCREEN:
8
P u m p
1
P u m p
1
SCREEN:
9
P u m p
2
3 -
w a
y V a
SCREEN:
10
P u m p
3
h h
: m m D D
SCREEN: 11
C a s c
D e s
C a s I n f
u
r
n
e
r
n
a
l
o
r
i
f
i
d
o
o
r
e
t
u
r
n
t
u
r
n
t
u
r
n
e
e
d
e
e
d
i
g
n
a
l
r
e
s
s
u
r
H e
a
t
e
r
S
i
g n a
l
C a
l
o
r
i
l
v
e H e
a
S y
s
t
e m
/
M M
/
Y Y Y Y D a
i
g n
0 1 2 3 4 5 6
1
2
3
,
9
° C
1
2
3
,
9
° C
O p
e
n
S h
o
r
t
e
d
1
2
3
,
9
° C
1
2
3
,
9
° C
O p
e
n
S h
o
r
t
e
d
1
2
3
,
9
° C
1
2
3
,
9
° C
O p
e
n
S h
o
r
t
e
d
1
2
3
,
9
° C
1
2
3
,
9
° C
1
2
3
,
9
° C
P o w e
r
S
e
t
p o
i
9
9
9
9
r
p m
1
0
0 %
1
0
0
μ A
1
,
0
b
a
r
O
f
f
1
0
0 %
O
f
f
t
i
n g
O
f
f
y
0
0 = MASTER, 1 ..... 11 = SLAVES
7 8 9 A B
Displays number, priority and state of cascade water heaters.
Measured value by the internal flow sensor.
Measured value by the internal return sensor.
Shown when controller doesn't detect this sensor.
Shown when sensor wires or sensor itself is shorted.
Measured value by the external sensor.
Measured value by the calorifier sensor.
Shown when controller doesn't detect this sensor.
Shown when sensor wires or sensor itself is shorted.
Measured value by the outdoor sensor.
Measured value by the flue gas sensor.
Shown when controller doesn't detect this sensor.
Shown when sensor wires or sensor itself is shorted.
Temp. difference between internal flow & return.
Temp. difference between flue gas & internal return.
Temp. difference between external & internal return (ΔT LLH).
External supplied 0-10 Volt dc signal.
"Power" = power input control or "Setpoi" = set point control.
Actual fan speed in rpm.
Actual fan speed % of maximum allowable fan speed.
Flame signal given in μA.
Shows water pressure when sensor is connected.
Pump 1 (HEATER PUMP) On or Off.
Modulating signal Pump 1 in (%).
Shows when the calorifier pump is "ON" or "OF".
Signal to the 3-way valve: "HEATING" or "HOTWATER".
Shows when the system pump is "ON" or "OF".
hh=hour; mm=minutes; DD=day; MM=month; YYYY=yr; Day of the
week
55
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