ZIEHL-ABEGG CXE/AV, Operating Instructions Manual, Page: 39 / 121

Base setup E2 Function
The second signal input is not activated at the factory for modes with one sensor.
The function is automatically jointly programmed in operating modes using 2 sensors.
The second analog input is thus allocated and additional function allocations are not
possible.
Modes with two sensors
• 3.03
and
3.04
E2 Function at
|
4E
|
preprogrammed = comparison value with
control to higher value (two circuit condensers).
Adjustable
“ E2 Function ”
•
|
1E
|
= external setpoint e.g. by external signal (0 - 10 V) instead of setting
“ Setpoint 1 ”
. 0 - 10 V 0 - 100 % sensor measuring range.
•
|
2E
|
= External manual operation via external signal (0 - 10 V). Switch over
between settings on the device and external manual operation via digital input (see
IO Setup: function
|
7D
|
).
•
|
3E
|
= Sensor average to E1
•
|
5E
|
= Sensor difference to E1
•
|
6E
|
= sensor for outdoor temperature-dependent setpoint adaptation, pre-pro-
grammed sensor type
“ TF.. ”
.
– Menu group
“ Setting ”
additional parameter: T-Band, T-Start SA, Min. Setpoint.
– Menu group
“ Info ”
additional parameter: Setpoint control
– Example see Setting for operation
4.01
...
4.03
/ additional menu items.
•
|
7E
|
= Measurement value = Measurement value e.g. for limit indication, display in
Info menu
“ E2 Actual ”
.
•
|
8E
|
...
|
13E
|
= sensor input for control circuit 2, see base setup / operation
with second control circuit.
OFF
E2 Function
Selection of the refrigerants*:
R12 R13 R13b1 R22 R23 R32 R114 R1234YF R1234ZE
R134a R142B R227 R401 R401A R401B R402 R402A R402B
R404A R407A R407B R407C R410A R448A R449A R455A R500
R502 R503 R507 R717
* Number of refrigerants depending on software version
9.3.2 Setting for operation modes 3.01 ... 3.04
3.01 Pressure control condensers, setting Setpoint in bar
3.02 Pressure control for condensers with input for refrigerant, Setpoint in ° C
3.03 Two sensors for dual circuit condenser. Automatic regulation to the highest pressure (selection
ampli
fi er integrated) operation display: “ Control value ” , Setpoint in bar
3.04 Two sensors for dual circuit condenser with input for refrigerant automatic regulation to the highest
pressure (selection ampli
fi er). Setpoint in ° C , also for different refrigerants suitably there comparison
of the temperatures. Display during operation: “ Control value ”
Settings for controller output with function
|
2A
|
(by analogue signal see IO Setup, by MODBUS see
members menu).
Main menu Setting
Start up
Setting
Protocol
Base setup
Controller Setup
Operating Instructions UNIcon MODBUS Master Programming
L-BAL-E255-GB 1901 Index 001 Part.-No.
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