Terumo 801763, Operator'S Manual, Page: 149 / 359

Central Control Monitor
4-84
WARNING: When configuring a screen with multiple safety connections, the user
must consider the risks and benefits of the additional complexity introduced to the
operation of the system. It is possible to configure the system to have events that
trigger responses, with the response being events that trigger more responses. The
system response in these situations may be confusing to the user and could lead to
delays in the user response or possibly errors.
Primary pump functionality and safety connections can be reassigned to other
equipment in the event of a primary pump failure. Use the Reassign Module subtab
within the System tab to reassign the primary pump to another pump of the same type.
It is recommended that the user’s fully test the screen configuration to assure that all
responses in all situations are completely understood and proper training has taken
place for users. The user’s institution may find it helpful to establish protocols for
handling specific situations that can occur with the screen configurations used. Refer
to
System Overview
chapter,
Institutional Controls
section for additional guidance
on establishing policies and procedures to control use of screen configurations.
WARNING:
In the event the CCM is lost, only those sensors that have a
safety connection to at least 1 roller pump or centrifugal control unit will be
able to display messages on a local control panel. If no safety connection was
established, no audible tone will sound and no messages will display on any
local control panel. The only indication that an event has occurred will be the
flashing LED on the affected module.
Events
Events that cause pump or occluder responses are communicated by the device
generating the event to a connected roller pump, centrifugal control unit, or occluder.
User actions may also generate some events such as decreasing the speed of a
centrifugal pump to less than or equal to 1550 RPM which will generate a Coast event
and initiate a response in a connected device. The communication may be sent only
once, as in the case of a pump start or a pump stop, or sent multiple times, as is the
case with alarm and alert, pump pause, min flow, and pump Coast events. Events that
are sent multiple times must be cleared in order for the connected device to return to
normal operational mode.
Roller Pump Responses
Roller pump responses to events are Stop, Pause, Reduce Speed, Message Only, and
No Response. In the situation that a pump response clears an event so that the event
and the message are no longer present, check the Messages subtab within the Aux
tab for additional information, if needed. If a safety tab opens, check the Aux tab for
additional information, if needed.
A Stop response causes the pump speed to go to zero and the pump to enter stop
mode. The pump must be restarted manually after the event is cleared or the safety
system is disabled. If a Stop response is executed while the pump is in Servo mode or
Pulse mode, the pump will switch to Manual mode after it is restarted.
Note: If a primary centrifugal pump and a cardioplegia roller pump are safety
connected for the cardioplegia pump to stop when the centrifugal pump goes to Coast,
the cardioplegia pump can be started during, for example, priming when the speed
of the centrifugal pump remains below 1560 RPM. Once the centrifugal pump speed
is increased to 1560 RPM or above, the safety connection between the two pumps
is enabled and active at all centrifugal pump speeds. Thus, the cardioplegia pump
cannot be started even if the centrifugal pump speed is then decreased to 1550 RPM
or less since the safety connection is active. To start the cardioplegia pump at a