VTS Medical Systems VENTUS COMPACT VVS021c Instructions For Use Manual page 91

Compensation of heater valve operation on return water temperature
A09
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Control - electric heater
OIMM VENTUS COMPACT - ver. 6.0.0 (06.2024)
•
"Heater type" - type of control of the main
electric heater - the start permission for the
PWM controlled part is the signal from the
pressure switch, for
(ON/OFF) the signal from the first relay, for
the second stage (ON/OFF) the signal from
the second relay
•
"Minimum signal"
controller setting from which the main
heater is activated.
•
"Regulated degree" - share of the power
of the PWM-controlled part in the total
power of the main heater
•
"Stage 1" - share of the power of the first
(ON/OFF) stage in the total power of the
main heater
•
"Stage 2" - share of the power of the
second (ON/OFF) stage in the total power
of the main heater
[if any of the heater stages are not present in
the AHU, set 0% for it and distribute 100%
according to the power of the stages
present].
[for AHUs with only liquid heaters, the start
signal is available on the controller, but its
connection is not mandatory - its role is
taken over by the activation signal from the
pressure switch and thermostat].
the first stage
- the minimum
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