9.2
Back pressure regulation
3.10
...
3.11
and
3.20
...
3.21
9.2.1
Base setup
3.10
...
3.11
and
3.20
...
3.21
Base setup
Base setup
Mode
Mode
Mode selection e.g.
3.10
E1 Analog In
E1 Analog In
For all Modes in Group 3 (
3.10
...
3.11
and
3.20
...
3.21
)
“
E1 Analog In
”
factory setting to
“
MBG-7I
”
.
(measuring range -1..7 bar) proportional output 4 - 20 mA
Selection sensor: MBG-7I, MBG-30I, MBG-50I, DSF2-25
Alternative selection signal: 0 - 10 V, 4 - 20 mA, (
jumper for input signal) accordingly
inserted. The sensor measurement-range must be entered in order to correctly display
the actual value.
Example 0 - 10 V sensor and measuring range 0 - 20 bar:
E1 Analog In = 0 - 10 V, E1 Min. = 0.0 bar, E1 Max. = 20.0 bar, E1 Decimals = 1, E1
Unit = bar
E1 Offset
E1 Offset
Sensor calibration with calibrated comparison device
E1 Refrigerant
E1 Refrigerant
With
3.20
and
3.21
operating modes with input of the refrigerant, the device automati-
cally calculates the corresponding temperature for the measured pressure. The set-
tings for offset, target value and the controlling range are then carried out in
°
C or K.
Calculation for relative pressure (differential measurement of pressure relative to am-
bient pressure). No further settings are necessary for pressure sensors model e.g.
“
MBG-7I
”
(measurement range -1...7 bar). In the case of sensors with other measure-
ment ranges, the
“
E1 Min. value
”
and the
“
E1 Max. Value
”
. Setting in
“
bar
”
although
unit display is in
“°
C
”
!
E2 Function
E2 Function
•
Factory setting preprogrammed for external Manual mode via external signal (0 -
10 V) = function
|
2E
|
. Switch over between settings on the device and external
manual operation via digital input(
IO Setup).
•
External setpoint = Function
|
1E
|
by external signal (0 - 10 V) instead of
“
Setpoint 1
”
. 0 - 10 V
0 - 100 % sensor measuring range.
•
Measurement value = function
|
7E
|
e.g. for limit indication, display in Info menu
“
E2 Actual
”
.
Selection of the refrigerants:
R12
R13
R13b1
R22
R23
R32
R114
R134a
R142B
R227
R401
R401A
R401B
R402
R402A
R402B
R404A*
R407A
R407B
R407C*
R410A
R500
R502
R503
R507
R717
* Here, the calculation of the temperature from the refrigerant pressure is based not on the dew point but on the
boiling point.
Operating Instructions
Fcontrol
–
model series FKDM..-C
Programming
L-BAL-E057-GB 1304 Index 009
Part.-No. 00163327-GB
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