Pid Temperature Controller - La Marzocco linea Manual De Instrucciones

5. PID Temperature controller

Description
Front display description:
N.B.
In 1,2,3 group machines the PID Controller is installed on left
side. In 4 group machines on left and right side.
see also fig. 4 - part. 20
1) Coffee boiler element Pilot light
Lights up while controller output 1 stays ON.
i.e. heating element is ON
2) Display
Displays the PV (process value) or SV (setting value). When set-
ting a parameter, its name or its value appears.
3) SEL key
Used to switch the PV display to/from the SV display
and select a parameter block and a parameter, and register a
set value.
4) keys
Used to change the SV, call parameters, and change parameter
values.
15
Coffee boiler element Pilot light
SV lamp Display
1 6 2
Keys
3 SEL 4
5) Auto-tuning/self-tuning lamp
Flickers under an auto-tuning or self-tuning operation.
see detailed info in Manual * (see page 16)
6) SV (setting value) lamp
Displays the PV (process value) in normal conditions
(while the lamp is on). Press the SEL key to light
up the SV lamp and display the SV. Note that the lamp stays off
while parameters and data are displayed.
It flickers while the display shows the PV (process value) in
standby state.
Auto-tuning/self-tuning lamp
5
***
PV: Process Value: measured temp
Keys
SV: Setting Value: set temp