COMMERCIAL IN CONFIDENCE
MEC-PM-798 MEC Starter Kit ManualMEC-PM-798 MEC Starter Kit ManualMEC-
PM-798 MEC Starter Kit Manual
Page 9
The front panel of the Controls Box has the following indicators and buttons:
1.
User Reset button
2.
Emergency Stop button
3.
Demand on/off switch
4.
LCD
5.
Heat Enable Signal active indicator
6.
Mains On/Off switch/isolator
7.
Engine Running indicator
Figure 5.2 Control Box front panel
On this inside of the Box, the following parts can be seen:
1.
Terminal block connectors
2.
Engine Capacitor
3.
Raspberry Pi and LCD
4.
MEC Engine Control board
5.
Start and Stop resistors
6.
Ambient thermistor
7.
24V/5V PSU (Power supply)
Figure 5.3 Control Box internals
5.1
Controls Box connections shown in fig.5.1 explained
5.1.1
Absorber Over-Travel Switches
Connect the four connectors present on this cable onto the two Absorber Over-Travel
switches that are incorporated into the Engine: when the Engine over-travels this will
be detected immediately, and the Engine will be emergency-stopped.
5.1.2
Coolant in- and outlet thermistors
The coolant temperature sensors are already connected onto the cable, the clips fit
onto a pipe with and outer diameter of 22mm.