Temperature Control - Daikin R-32 rooftop Series Operation Manual

5.3 Temperature control

Cooling and heating devices are controlled according to the temperature value measured by a reference probe.
The proportional band identifies the control range of the air conditioner system and it can be set up with independent
values for heating and cooling mode.
The dead zone identifies the range around the setpoint within which the devices are not enabled (it is used to prevent
oscillations in the setup value).
The diagram below shows the behaviour of heating and cooling devices.
STH4
Parameter Min
ST1 ST2
ST4 0.0
ST5 0.0
ST6 0.0
ST9 0
ST11 0
PID70 0
PID71 0
PID72 0
PID76 0.0
PID78 0
STH1 10.0
STH4 0.0
STH5 0.0
STH6 0.0
We reserve the right to make changes without any prior notice.
UATYA
4P645203-1
STH6 STH5
STH1
Fig. 3 Graphical representation of temperature control devices
Max UM Description
ST3 °C Mechanical cooling - Temperature setpoint
25.0 °C Proportional control - Cooling - Activation differential
25.0 °C Proportional control - Cooling - Neutral activation area
25.0 °C Proportional control - Cooling - Offset
7 - Control probe
2 - Type of temperature control
10000 - Mechanical cooling - Kp
10000 - Mechanical cooling - Ki
10000 - Mechanical cooling - Kd
25.0 °C Mechanical cooling - Dead band
2 - Mechanical cooling - Dead band position
Mechanical heating / Auxiliary heating in winter mode - Temperature
35.0 °C
setpoint
25.0 °C Mechanical heating - Proportional - Activation differential
25.0 °C Mechanical heating - Proportional - Activation neutral zone
25.0 °C Mechanical heating - Proportional - Offset
%
100
0
ST5 ST6
ST1
SdR °C
ST4
Translation from original instructions
Packaged Rooftop
21