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16.17
SETTING THE PARAMETERS BY THE DISPLAY MENU
The functions of the controller are embedded in the electronics. The values and settings of these controlling functions are called parameters.
They can be changed by a skilled and trained service engineer with the help of a computer, the correct software and an interface cable. A
selection of these parameters can be programmed on the unit itself, without the use of a computer. Setting is easily done at the control panel
of the water heater. The following table gives a list of parameters that can be programmed at the control panel. All parameters that are shown
in the display, can be changed. NOTICE: Only the password for level 1 is issued in this manual. When other "more advanced" parameters need
to be programmed, it can only be done by a skilled and trained service engineer, who has access to level 2.
SOFTW.
MENU
PARAM
1
P5BE
2
P5AO
3
P5AP
4
P5AL
5
P2IC
A
6
P2MI
7
P2MJ
8
P2MK
9
P5AB
1
P4AB
2
P5CB
3
P5CK
4
P5CL
5
P5CD
6
P5CI
7
P5CJ
8
P2KI
B
9
P2LC
A
P2LE
B
P2LD
C
P2LF
D
P2ML
E
P2MM
F
P5CA
G
P2KH
1
P2MA
2
P5DA
3
P5DC
4
P5DE
C
5
P5DF
6
P5BL
7
P5DB
1
P5BB
2
P5AI
3
P5BI
4
P2LK
5
P5BJ
D
6
P4AA
7
P4AD
8
P4BD
9
P4BE
A
P5BN
In the parameter table shown above one can see all the parameters that can be set on the unit without the use of a laptop/computer. In the
following chapter "Controlling options and settings" the controlling options for heating, indirect hot water and cascading are explained. In the
explanation of these options there is a reference of all relevant parameters which are shown in the table above and can be set on the unit
DO NOT CHANGE the parameters P2LC, P2LD, P2ML, P2MM and P5BI; they are present in the controller for other purposes
than DHW control. Changing these parameters may affect water heater operation negatively.
Parameter screens + explanation see next pages
DESCRIPTION
Step modulation (1=on 0=off)
Blocking offset flow temperature control
Proportional range temperature control
Hysteresis CH Flow temperature control
Integration time temperature control
Blocking offset System CH temperature
control
Proportional range System CH temperature
control
Integration time CH temperature control
Timer Contact (1=on)
DHW Pump Config 0=Pump 1=TWV
Flow temperature DHW tank low
Flow temperature DHW tank hi
Low Flow temperature time DHW
Legionella temperature
Legionella hyst DHW tank temperature
Legionella hold time (0=off)
CH interrupt by Legionella (0=yes)(1=no)
Regulation temperature offset DHWd
Proportional range DHWd modulation
Regulation temperature hysteresis DHWd
integration time DHWd modulation
Sys temp blocking offset DHW tank
Sys temp blocking hysteresis DHW tank
Hysteresis DHW tank temperature
Gradient heat demand detect DHW tank
temperature
Max number extra water heaters
Bus address water heater
DHW on entire cascade(0) only master(1)
Extra Water heater output enable(1)
Cascade detection (0=standalone 1=Leader)
Power off total cascade (1)
Number of water heaters with common flue
0=None
Analogue input Config (0=off 1=temp
2=power)
Minimum Temperature 0-10V input
Altitude (in amounts of 100 ft.)
Max cooling time
Temperature display 1=on
DHW 0=off 1=Indirect 2=Direct
pressure 0=off 1=sensor and 2=switch
Gas type values 0-2
Soft start type values 0-2
Pump modes 0-4
UNITS
TEX T DISPLAY
-
S
t
e
p
m o
°C
H
E
s
O
°C
H
E
s
P
°C
H
E
s
c
D
s
H
E
s
I
°C
H
E
c
O
°C
H
E
c
P
s
H
E
c
I
-
T
i
m
e
r
C
-
D
H
i
p m
p
°C
D
H
i
f
l
o
°C
D
H
i
f
l
o
min
D
H
i
L
O
°C
L
e
g
i
o
°C
L
e
g
i
o
min
L
e
g
i
o
-
L
e
g
i
o
°C
D
H
d
s
c
O
°C
D
H
d
s
c
P
°C
D
H
d
s
c
D
s
D
H
d
s
c
I
°C
D
H
d
s
c
O
°C
D
H
d
s
c
D
°C
D
H
i
s
c
D
°C
D
H
i
d
e
t
-
M
a
x
C
a
s
-
B
u
s
a
d
-
D
H
i
c
a
s
-
E
x
t
r
a
-
C
a
s
S
i
-
P
w
r
O
f
f
-
C
o
m F
l
u
-
A
n
I
n
p
°C
0
-
1
0
M
i
ft*100
A
l
t
*
1
min
M
a
x
C
o
o
-
T
e
m p
O
n
-
D
H W
1
=
-
c
o
n
f
i
g
-
g
a
s
t
y
p
-
c
o
n
f
i
g
-
c
o
n
f
i
g
PASSWORD: 1342
LEVEL 1
Display
Modify
d
u
l
yes
no
f
f
1
3
yes
yes
r
b
1
3
yes
no
i
f
1
3
yes
yes
n
t
1
3
yes
no
f
f
3
yes
yes
r
b
3
yes
no
n
t
3
yes
no
o
n
t
yes
yes
/
t
w
v
yes
yes
w
L
O
yes
yes
w
H
I
yes
yes
t
i
m
e
yes
yes
t
e
m
p
yes
no
h
y
s
t
yes
no
h
o
l
d
yes
no
i
n
t
r
yes
no
f
f
2
yes
yes
r
b
2
3
yes
no
i
f
2
yes
yes
n
t
2
3
yes
no
f
f
3
yes
yes
i
f
3
yes
yes
i
f
4
yes
yes
g
r
a
d
yes
yes
c
U
n
t
yes
no
r
e
s
s
yes
no
/
m
a
s
yes
no
u
n
i
t
yes
yes
/
M
a
yes
no
T
o
C
a
yes
no
N
u
m
yes
no
C
o
n
yes
yes
n
T
m
p
yes
yes
0
0
f
t
yes
yes
l
T
i
m
yes
yes
D
i
s
p
yes
yes
i
2
=
d
yes
no
yes
no
e
yes
no
yes
no
yes
no
68
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