KJM MANDÍK
–
Detailed operating instructions
M&C KJMPNO 07/2022
MANDÍK, a.s.,
19
sensor for preheat must be configured and the preheat must not have a valid order set,
OrderHeat
=
---
.
PID–
Supply
–
is a cascade control that calculates the required supply temperature based on
the required and actual room temperature or discharge temperature. The factory default
values are:
TI = 900 s, KP = 10, WPD = 0 °C
.
The only apply when
configuration
RequiredTemperature
features no selected
Supply
and
Preheat
temperatures.
If the
RequiredTemperature
configuration features the
Supply
or
Preheat
temperature, then
this PID control is not applied, and the required temperature is equal to the required supply
air temperature. The calculated required temperature of the air supplied by the PID is
between
HighLimitSupply
and
LowLimitSupply
.
HighLimitSupply
(30 °C)
– current upper limit of the required supply air temperature, which is
determined by the
Fixed
or
Shift
upper limit values.
Fixed
(30 °C)
– maximum required static supply air temperature. This value applies as the
current maximum
HighLimitSupply
limit only if the upper limit is subject to
Shift
= 0 °C
.
Shift
(0 °C)
– non-zero value defines the current maximum required supply air temperature
limit
HighLimitSupply
as the sum of the required temperature by regime
(
Comfort
,
Economy
,
Tempering,
)
and
Shift
. The maximum required supply air temperature will
change dynamically as the required temperature changes.
LowLimitSupply
(16 °C)
– current minimum required supply air temperature limit, which is
determined by the
Fixed
or
Shift
low limit values.
Fixed
(16 °C)
– maximum required static required supply air temperature. This value
applies as the current
LowLimitSupply
minimum limit only if
Shift
= 0 °C
.
Shift
(0 °C)
– non-zero value defines the current minimum limit of the required supply air
temperature
LowLimitSupply
as the difference between the required temperature per the
regime
(
Comfort
,
Economy
,
Tempering
, and
Shift
). The minimum required supply air
temperature will change dynamically as the required temperature changes.
CascadeNonSensitive
(6 °C)
– determines when to shut down the heating or cooling
components of the unit when the minimum or maximum supply air temperature limit is
exceeded:
If the supply air temperature exceeds the
HighLimitSupply
+
CascadeNonSensitive
value,
then all the heating components of the unit will immediately shut down or cooling
components of the unit will turn on.