Download 02 DUPLEX EC , RD

Service documentation
Sensors
VC
TA sensor power supply
TA
TA sensor
GN
VC
TA sensor ground
Ti2 power supply
TI2
TI2 sensor, manostat PFR
GN
TE
Ground, manostat
TE sensor (+24V)
TE sensor (measurement resistor to
ground)
Controller power supply
Controller communication
Ground (controller)
External board EXP power supply
Communication with EXP
Ground
TE
Controller
External
board
EXP
Atrea s.r.o.
PW
COM1
GN
PW
COM2
GN
D02b
+5 V
Communication with
sensor
Ground
+5 V
Communication with
sensor
Ground
24 V SS
Resistor to ground
12V/SS
Specification HW LIN
Ground
12V/SS
Specification HW LIN
Ground
2.3 Control topology
CP-08
Mc
EC fans
Mv
RD-CTR
RD-IO
Heat pump control
Fan speed control according to the
pressure relations
Circulation ground heat exchanger
Condensing boiler control
RD-COM
Superior contrl system
(ModBUS)
Backup of settings
Internet
4