Parameters; Setting The Parameters With The Display Menu - Lochinvar CP-M Series Installation, Commissioning & Maintenance Instructions

High efficiency gas fired condensing boilers
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13.0

PARAMETERS

13.1

SETTING THE PARAMETERS WITH THE DISPLAY MENU

The operating parameters of the boiler are embedded in the burner control system electronics. Some of the values
and settings that are used to control the boiler operation can be changed by modifying these parameters in order
to configure the appliance to meet the specific requirements of the installation. Modification should be carried out
by a trained service technician with the help of a computer, the correct software and an interface cable. Certain
parameters can be programmed on the unit itself, without the use of a computer.
The following table gives a list of these parameters that can be programmed through the user interface display. All
parameters that are shown in the display can be changed.
RELATES
TO
SOFTW.
MENU
PARAM
1
P5BE
Step modulation (1=on 0=off)
2
P5AO
Blocking offset flowtemperatur control
P5AP
Proportional range temperature control
3
P5AL
Hysterese CH Flow temperatur control
4
A
5
P2IC
Intergration time temperature control
6
P2MI
Blocking offset System CH temperatur control
P2MJ
Proportional range System CH temperature control
7
8
P2MK
Intergration time CH temperature control
9
P5AB
Timer Contact (1=on)
1
P4AB
DHW Pump Config 0=Pump 1=TWV
2
P5CB
Flow temperature Dhw tank low
P5CK
Flow temperature Dhw tank hi
3
4
P5CL
Low Flowtemperature time Dhw
5
P5CD
Legionella temperature
P5CI
Legionella hyst Dhw tank temperatur
6
P5CJ
Legionella hold time (0=off)
7
8
P2KI
CH interrupt by Legionella (0=yes)(1=no)
B
9
P2LC
Regulation temperatur ofset DHWd
P2LE
Proportional range DHWd modulation
A
B
P2LD
Regulation temperatur hysteres DHWd
C
P2LF
Intergration time DHWd modulation
P2ML
Sys temp blocking ofset DHW tank
D
E
P2MM
Sys temp blocking hysteres DHW tank
F
P5CA
Hysterese Dhw tank temperatur
P2KH
Gradient heatdemand detect Dhw tank temperatur
G
1
P2MA
Max number extra boilers
P5DA
Busdadres boiler
2
P5DC
Dhw on entire cascade(0) only master(1)
3
C
4
P5DE
Extra Boiler output enable(1)
5
P5DF
Cascade detection (0=standalone 1=Leader)
P5BL
Power off total cascade (1)
6
7
P5DB
Number of boilers with common flue 0=None
P5BB
Analog input Config (0=off 1=temp 2=power)
1
2
P5AI
Minimum Temperature 0-10V input
3
P5BI
Altitude (* 100 ft)
D
P2LK
Max cooling time.
4
5
P5BJ
Temperature display 1=on
6
P4AA
DHW 0=off 1=Indirect 2=Direct
The parameter table above shows all of the parameters that can be set on the unit without the use of a
laptop/computer.
In the following section, a description of each parameter is given and the procedure for modifying it (if applicable)
is given.
NOTE:
Some parameters can be set, but are not used when the control is configured to operate as a heating
boiler. Parameters P2CL, P2LD, P2ML, P2MM, P5BI may affect boiler operation and must
therefore not be changed.
DESCRIPTION
UNITS
o
o
o
sec
o
o
sec
o
o
min
o
o
min
o
o
o
sec
o
o
o
o
o
ft/100
min
TABLE 13.1
PARAMETERS
PASSWORD:
1342
XEPK7
DESCR. (display)
Display
-
S t
e p
m o d u
l
C
H E
s
O f
f 1 3
C
H E
s
P r b 1 3
C
H E
s c D i
f 1 3
H E
s
I n t 1 3
C
H E
c O f
f
3
C
H E
c P r b
3
H E
c I n t
3
-
T
i m e r C o n t
-
D H
i p m p
/ t w v
C
D H
i
f
l o w
L O
C
D H
i
f
l o w
H I
D H
i
L O t
i m e
C
L e g i o
t e m p
C
L e g i o
h y s
t
L e g i o
h o l
d
-
L e g i o
i n t
r
C
D H d s c O f
f 2
C
D H d s c P r b 2 3
C
D H d s c D i
f 2
D H d s c I n t 2 3
C
D H d s c O f
f 3
C
D H d s c D i
f 3
C
D H
i
s c D i
f 4
C
D H
i d e t g r a d
-
M a x C a s c U n
t
-
B u s
a d r e s s
-
D H
i
c a s
/ m a s
-
E x
t
r a
u n i
t
-
C a s
S i
/ M a
-
P w r
O f
f T o C a
-
C o
m F l
u N u m
-
A n
I n p
C o n
C
0
- 1 0 M i n T m p
A
l
t
* 1 0 0 f
t
M a
x C o o l T i m
-
T e m p O n D i
s p
-
D H W
1 = i 2 = d
PASSWORD:
4153
LEVEL 1
LEVEL 2
Modify
Display
yes
no
yes
yes
yes
yes
yes
no
yes
yes
yes
yes
yes
no
yes
yes
yes
yes
yes
no
yes
yes
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
yes
yes
no
yes
yes
no
yes
yes
no
yes
yes
yes
yes
yes
no
yes
yes
yes
yes
yes
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
yes
yes
no
yes
yes
no
yes
yes
yes
yes
yes
no
yes
yes
no
yes
yes
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
yes
66
Modify
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes

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