Twin-Head Pump Behaviour; Settings Menu - Dual Pump Management - Wilo Yonos GIGA2.0-I Installation And Operating Instructions Manual

11.2

Twin-head pump behaviour

11.3 Settings menu - dual pump man-
agement
Installation and operating instructions Wilo-Yonos GIGA2.0-I/-D
Double pump operation
NOTICE
Even after switching the mains voltage off and on again, the remaining time until the
next pump cycling continues to run. The timer does not start again from the begin-
ning!
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SSM/ESM (collective fault signal/individual fault signal):
–
The SSM function must preferably be connected to the main pump. The SSM
contact can be configured as follows:
the contact reacts either only in the event of a fault or in the event of a fault and
a warning.
Factory setting SSM only reacts in the event of a fault.
Alternatively or additionally, the SSM function can also be activated on the
standby pump. Both contacts work in parallel.
–
ESM: The ESM function of the twin-head pump can be configured on each head
of the twin-head pump head as follows: The ESM function on the SSM contact
only signals faults of the respective pump (individual fault signal). In order to
record all faults of the two pumps, both contacts must be assigned.
ƒ
SBM/EBM (collective run signal/individual run signal):
–
The SBM contact can be assigned to any of the two pumps. The following con-
figuration is possible:
The contact is activated when the motor is in operation, power supply is present
or no fault is present.
Factory setting: ready for operation. Both contacts signal the operating status of
the twin-head pump in parallel (collective run signal).
–
EBM: The EBM function of the twin-head pump can be configured as follows:
The SBM contacts only signal run signals of the respective pump (individual run
signal). In order to record run signals of both the pumps, both contacts must be
assigned.
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Communication between pumps:
Communication for a twin-head pump has been set at the factory.
Wilo Net must be installed with cable between the pumps when connecting two
single pumps of the same type to a twin-head pump.
Then set the termination as well as the Wilo Net address in the menu under "Set-
tings/external interfaces/Wilo Net setting". Then, in the "Dual pump management"
submenu of the "Settings" menu, select the settings "Connect twin-head pump".
NOTICE
For the installation of two single pumps to form a twin-head pump, see sections
"Twin-head pump installation/Y-pipe installation" [} 30], "Electrical connection"
[} 31] and "Application and function of the Wilo Net interface" [} 77].
The control of both pumps starts from the main pump to which the differential pressure
sensor is connected.
In case of breakdown/fault/communication interruption, the main pump alone takes
over complete operation. The main pump runs as a single pump according to the set
operating modes of the twin-head pump.
The standby pump, which receives no data from the differential pressure sensor, runs in
the following cases at an adjustable constant emergency operation speed.
ƒ
The main pump to which the differential pressure sensor is connected fails.
ƒ
The communication between the main pump and the standby pump is interrupted.
The standby pump starts immediately after detecting a fault.
In the "Dual Pump Management" menu, a twin-head pump connection can be estab-
lished or disconnected and you can also set the twin-head pump function.
The settings menu "Dual Pump Management" has different submenus depending
on the status of the twin-head pump connection.
The following table gives an overview of possible settings in the dual pump manage-
ment:
en
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