Dantherm Flexibox 810 indoor Service Manual page 19

Controller overall
Main PCB The Flexibox 420 / 810 has a built in Dantherm CC4 telecom cooling controller, which
can be setup to cover almost every cooling needs.
Key figures:
Digital outpuuts are NO/NC jumper changeble, and digital input are NO/NC changeble
in parameters setting
Please be aware that the controllers boot sequence last for approx. 120 seconds at each
power on
Overall control The control board selects automatically operation mode, between four operation
functionality modes, depending on the inside as well as the outside temperature
Operation
Heating
Free cooling
Active cooling
Power save
mode
External connections:
•
power supply
o
room temperature sensor
o
digital input to force a specific operation (shut down in case of fire)
o
digital output for external heater and AC unit
o
2 pce. digital alarm output
o
2 pce. RS485 / MODBUS protokol
o
damper open/close
o
TTL interface for "on the fly" survailence and override parameters
o
(factory)
Flexibox Internal connections on PCB rear edge
•
Two LED for visual operation feedback
•
SD card interface for logging and programming operation parameters(on the
•
fly, no need to reboot). The interface supports FAT formatted SD cards up to
32GB
Fan
Off
On
Off
Off
Damper External heat
Closed On
Open Off
Closed OFF
Closed Off
External AC
Off
Off
On
Off
Continued overleaf
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