
Installation and User Manual. Version V03.B03_EN (23/09/2015)
ecoGEO
111
ECOFOREST Geotermia
Connection terminal
No.
Description
Nomenclature
Power supply
Connector J1
G
Micro-controller power supply (Phase)
L
G0
Micro-controller power supply (Neutral)
N
Probe power supply
Connector J2
GND
Ground for analogue and digital inputs/outputs
--
+5 Vref Power supply for active probes, +5 Vdc
--
Analogue inputs
– group 1
Connector J3
B1
Brine outlet temperature probe
TICap
B2
Brine inlet temperature probe
TRCap
B3
Heating-cooling outlet temperature probe
TICl
B4
Heating-cooling inlet temperature probe
TRCl
B5
Compressor suction temperature probe
TAC
B6
Compressor suction pressure transducer
PAC
B7
Compressor discharge pressure transducer
PDC
Analogue inputs
– group 2
Connector J18
B8
DHW tank temperature probe
Tdep1
B9
Buffer tank temperature probe or
Heating-cooling outlet temperature, Zone 2
Tdep2/
Timp2
B10
Outdoor temperature
Text
B11
Brine circuit pressure transducer
PCCap
B12
Heating-cooling circuit pressure transducer
PCCl
Digital inputs
– group 1
Connector J4
DI1
Relay thermostat input for heating, Zone1
ECZ1
DI2
Heat pump external activation input
EBC
DI3
Relay thermostat input for cooling, Zone 1
ERZ1
DI4
Relay thermostat input for heating, Zone 2
ECZ2
DI5
Relay thermostat input for cooling, Zone 2
ERZ2
DI6
Pool activation input
EPisc
DIC1
Common pole for digital inputs
--
Analogue outputs (0-10 Vdc)
Connector J5
Y1
Control signal for brine punmp
RBCap
Y2
Control signal for heating-cooling pump
RBCl
Y3
Control signal for external shunt group, Zone 2
RGIZ2
Relay digital outputs
– group 1
Connector J12
NO1
2-way valve On/Off, Zone 1
VZ1
NO3
3-way valve for pool (position B)
Pisc_b
Relay digital outputs
– group 2
Connector J13
NO4
3-way valve for pool (position A)
Pisc_a
NO5
External shunt group activation, Zone 2
GIZ2
NO6
4-way reversing cycle valve
VIC
Relay digital outputs
– group 3
Connector J14
NO7
Solenoid valve for DHW production
BACS
–VS2
NC7
Solenoid valve for heating-cooling only
VS1
Relay digital outputs
– group 4
Connector J15
NO8
Brine circulation pump
BCap
NO9
Heating-cooling circulation pump
BCl
NO10
Inverter/compressor
INV/COMP
NO11
Legionella protection electric heater
RA
NO12
Alarm signal
ALARM
Pressure switches
Low pressure switch
PRB
High pressure switch
PRA
Data ports
Connector J6
th-Tune indoor terminals (RS485)
TAI
Connector J7
Front panel connector/Application update
PF
Connector J10
Inverter/compressor (RS485)
INV/COMP
Connector J11
Electronic expansion valve
VEXP
Table 12.12. Legend of ecoGEO B3 and C3 heat pumps' wiring diagrams.