Xylem Bell & Gossett ecocirc XL Series, Manual

Page: 6 / 62

Electronic Drive Manual 4
2.5.8 Optional wireless and RS485 module
[(21)]
The drive can be equipped with
• an optional Wireless module or
• an optional RS485 module
Both modules can be plugged inside the drive (see
Figure 8 in the appendix) by the provided clips and with
the cable connected to the connector (21).
2.6 Settings priority
All the I/O signals, described in 2.5, can interact to-
gether changing the behavior of the circulators they are
connected to. If two or more signals are enabled and
active at the same time, the circulator will operate
according to the setting with the highest priority.
Refer to the table below for the settings priority:
Possible settings
Priority User External External Bus
Interface Start/Stop 0-10V Signal
1 Stop
2
Speed
Regulation
3 Stop
4
Speed
Regulation
5 Stop
6
Speed
Regulation
7
Stop
Example 1
In case the external start/stop switch is open or
unconnected (External Start/Stop = Stop), the drive will
not accept any speed regulation.
Example 2
The circulator can be operated through the User
Interface only if no external signals are applied (to the
provided terminals) and no communication bus is con-
nected.
3. Initial Start-up
Before operating the circulator, verify that wires are
correctly and firmly terminated into the terminal blocks.
1. Switch on the power supply to the pump
The drive lights on all the LEDs of the User Interface,
to allow a quick detection of any display malfunction.
2. After few seconds, the drive will display the message
“SING” .
While this message ( “SING” ) is displayed, the drive
allows the possibility to set the dual pump operations’
parameters: if the user does not change this setting,
the device will default to the factory setting (single-
head pump) and proceed to the next step.
For setting up the correct dual pump operations’
parameters in the drive, see sec. 4.3.5.1.
3. After a few seconds, the drive will display the
message “COMM” .
While this message ( “COMM” ) is displayed, the drive
allows the possibility to set the communication
parameters: if the user does not change this
setting, the device will default to the factory settings
(9600baud, address = 1, no optional module, Modbus
RTU protocol) and proceed to the next step.
For setting up the correct communication parameters
in the drive, see sec. 4.3.5.2.
4. If a pressure sensor is connected to terminals P+ and
P-, the drive will display the message “PRES” .*
While this message ( “PRES” ) is displayed, the drive
allows the possibility to set the optional external
differential pressure sensor’s parameter. If the user
does not change this setting, the device will default
to the factory setting (differential pressure sensor 15
PSID (1.0bar) and proceed to the next step.
For setting the correct differential pressure sensor’s
parameter in the drive, see sec. 4.3.5.3.
5. After a few seconds, the drive will display the
message “4DEG” .
While this message ( “4DEG” ) is displayed, the drive
is performing the first (out of 4) cycles of the Air Purge
procedure: if the user does not stop this procedure,
the device will complete the 4 cycles (decrementing
in each sub-phase the countdown “4DEG”- “3DEG”-
“2DEG”-“1DEG”) and then proceed to the next step.
To stop or start the Air Purge procedure, see
sec. 4.3.4.2.
6. At the end of the Air Purge procedure, the pump
starts pumping in Constant Pressure control mode
(factory default)
For more information about Control Modes and
relative default value, see sec. 4.3.3
NOTE:
All 5 steps (1-5) stated under “Initial Start-up” will repeat
in the same manner for any subsequent start-up.
In step 6, the start-up control mode will always be the
last control mode used before the previous power off.
*
Only if an external differential pressure sensor is connected to the provided
terminals (see 2.5.4)
Initial Start-up