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KJM MANDÍK
–
Detailed operating instructions
M&C KJMPNO 07/2022
MANDÍK, a.s.,
21
cool. It is the insensitivity band around the required climate temperature in which the
temperature control will not change from
Heat
to
Cool
and vice versa.
The unit will switch to heating if the selected
ClimaTemp
<
RequiredTemperature
+
ClimaShift
–
ClimaNonSensitive
.
The unit switches to Cool if the selected
ClimaTemp
>
RequiredTemperature
+
ClimaShift
+
ClimaNonSensitive
.
Switching from cooling to heating, with the supply air temperature within the calculated
temperature control limits, will only occur if all the cooling components are switched off. The
switchover from heating to cooling, at a supply air temperature within the calculated
temperature control limits, will only occur if all heating components are switched off. These
conditions may not apply in the case of active humidity control.
DeadBandStpt
(0 °C) –
applies when controlling heating or cooling components with step
power control. If the current temperature falls into the insensitivity range around the required
temperature, then the PID control of the component is interrupted and the component's
output is not further changed, although the exact required temperature is not reached. At
insensitivity values close to 0 °C, this function is almost inapplicable.
TemperatureSeason
(
Summer
/
Winter
, 18 °C, 60 min)
– displays the condition that the
controller has diagnosed by comparing the outdoor temperature with the setpoint
temperature for the specified period of time. The values of the decision temperature and time
are shown on the next line. If the outdoor temperature is less for the specified time, then the
Winter
temperature period occurs and if it is greater for the specified time, then the
Summer
.
The temperature period controls, for example, the function of the recuperator, the
condensing unit or the water heating at the start of the AC unit. If the outdoor temperature
sensor is not configured, the preset temperature period is
Winter
.
DelayHC
(60 s)
– minimum time interval between switching from heating to cooling or vice
versa. During this time the temperature control is in the
Ventilate
state. This is to prevent
abrupt changes in supply temperature.
DelayOrder
(90 s)
–
only relevant for a unit that contains heating or cooling components with
non-zero starting power (gas heating, condensing unit or heat pump). After the component
starts, PID control is not applied during the delay period, the component runs at minimum
output and waits for the supply air temperature to respond to this condition.