VTS Medical Systems VENTUS COMPACT VVS021c Instructions For Use Manual page 90

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[PID controller for medium protection is available
for water heaters equipped with a touch-sensor -
in its absence it is replaced by a mechanical
"frost" thermostat].
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OIMM VENTUS COMPACT - ver. 6.0.0 (06.2024)
"Cooling/Heating" - current control of the PID
controller of the reversible unit
"Kp" - gain factor of the PID controller of the main
heater
"Ti" - PID controller doubling time of the main
heater
"Minimum power" - the minimum regulator
control from which the main heater starts.
"Maximum power" - the maximum controller
control with which the main heater can operate
"PID output signal" - current control of the PID
controller of the anti-FROST protection of the
water heater
"Setpoint" - temperature setting of the return
medium from the water heater (sensor B5) for
anti-FROST protection
"Kp" - gain coefficient of the PID controller of the
anti-FROST protection of the water heater
"Ti" - PID controller doubling time of the anti-
FROST protection of the water heater
"Actuator signal" - the control voltage of the
water heater valve actuator, to which the zero
adjustment level corresponds (e.g. for 2-10V
controlled actuators, set 20% so that 0% of the
controller output signal corresponds to 2V control
voltage)
"AntiFROST alarm" - temperature of the return
medium from the water heater below which the
alarm is activated (A249).
"Heater set temperature" - setting of the
temperature range of the return water from the
heater (sensor B5) that we want to maintain
depending on the current outside temperature
"Outdoor temperature" - outdoor temperature
range (sensor B3), depending on which we want
to maintain the selected range of return water
temperature from the heater (after the outdoor
temperature drops below its set lower threshold,
the return water temperature will still be
maintained at its set
analogically, the situation will be similar if the
upper threshold of the outdoor temperature is
exceeded)
upper threshold -
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