EVCO c-pro nano CHIL - Manual (Page 92)

C-PRO NANO CHIL AND C-PRO MICRO CHIL – APPLICATION MANUAL
Pag. 92
6.2.8 Twin-circuit water-to-water units
PG01 = 2
Twin-circuit PG00 = 5
Water-to-water chiller PG00 = 6
Water-to-water chiller + heat pump
Analogue inputs
AI 1
(NTC)
Inlet water temperature Inlet water temperature
AI 2
(NTC)
Outlet water temperature Circuit # 1 Outlet water temperature Circuit # 1
AI 3
(NTC / 4..20 mA)
Condensing pressure/temperature Circuit #
1 Condensing pressure/temperature Circuit #
1
AI 4
(NTC / 4.20 mA / DI)
Used as DI6 Used as DI6
AI 5
(NTC)
Geothermal heat exchanger temperature Geothermal heat exchanger temperature
AI 6
(NTC)
Outlet water temperature Circuit # 2 Outlet water temperature Circuit # 2
AI 7
(4..20 mA)
Condensing pressure/temp. Circuit # 2 Condensing pressure/temp. Circuit # 2
AI 8
(4..20 mA / DI)
Used as DI12 Used as DI12
Digital inputs
DI 1 High-pressure pressure switch Circuit # 1 High-pressure pressure switch Circuit # 1
DI 2 Thermal overload switch compressor # 1 Thermal overload switch compressor # 1
DI 3 Thermal overload switch compressor # 2 Thermal overload switch compressor # 2
DI 4 Flow meter Flow meter
DI 5 Thermal overload switch pump # 1 Thermal overload switch pump # 1
DI 6 (*¹) Low-pressure pressure switch Circuit # 1 Low-pressure pressure switch Circuit # 1
DI 7 High-pressure pressure switch Circuit # 2 High-pressure pressure switch Circuit # 2
DI 8 Thermal overload switch compressor # 3 Thermal overload switch compressor # 3
DI 9 Thermal overload switch compressor # 4 Thermal overload switch compressor # 4
DI 10 Secondary set point Secondary set point
DI 11 - Summer/winter commutation
DI 12 (*²) Low-pressure pressure switch Circuit # 2 Low-pressure pressure switch Circuit # 2
Digital outputs
DO 1 Circulating pump # 1 Circulating pump # 1
DO 2 Compressor # 1 Compressor # 1
DO 3 Compressor # 2 Compressor # 2
DO 4 Anti-frost heating coil # 1 Inverter valve Circuit # 1
DO 5 Fluid solenoid valve Circuit # 1 Fluid solenoid valve Circuit # 1
DO 6 General alarm General alarm
DO 7 Geothermal by-pass solenoid valve Geothermal by-pass solenoid valve
DO 8 Compressor # 3 Compressor # 3
DO 9 Compressor # 4 Compressor # 4
DO 10 Anti-frost heating coil # 2 Inverter valve Circuit # 2
DO 11 Fluid solenoid valve Circuit # 2 Fluid solenoid valve Circuit # 2
DO 12 - -
Analogue outputs
AO 1
(PWM)
- -
AO 2
(0..10 V / 4..20 mA)
Condensing valve # 1 control Condensing valve # 1 control
AO 3
(0..10 V / 4..20 mA)
Condensing valve # 2 control Condensing valve # 2 control
AO 4
(PWM)
- -