EVCO c-pro nano CHIL - Manual (Page 90)

C-PRO NANO CHIL AND C-PRO MICRO CHIL – APPLICATION MANUAL
Pag. 90
6.2.7 Twin-circuit air-to-water units
PG01 = 2
Twin-circuit PG00 = 3
Air-to-water chiller PG00 = 4
Air-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 Circuit # 1 Condensing pressure Circuit # 1
AI 4
(NTC / 4.20 mA / DI)
Used as DI6 Used as DI6
AI 5
(NTC)
External air temperature External air temperature
AI 6
(NTC)
Outlet water temperature Circuit # 2 Outlet water temperature Circuit # 2
AI 7
(4..20 mA)
Condensing pressure Circuit # 2 Condensing pressure Circuit # 2
AI 8
(4..20 mA / DI)
Used as DI12 Used as DI12
Digital inputs
DI 1 High-pressure pressure switch Circ. # 1 High-pressure pressure switch Circ. # 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) High-pressure pressure switch Circ. # 1 High-pressure pressure switch Circ. # 1
DI 7 High-pressure pressure switch Circ. # 2 High-pressure pressure switch Circ. # 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) High-pressure pressure switch Circ. # 2 High-pressure pressure switch Circ. # 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 # 2 Fluid solenoid valve Circuit # 2
DO 6 General alarm General alarm
DO 7 Free-cooling solenoid valve Free-cooling 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)
Condensing fan Circuit # 1 Condensing fan Circuit # 1
AO 2
(0..10 V / 4..20 mA)
Free-cooling solenoid valve Free-cooling solenoid valve
AO 3
(0..10 V / 4..20 mA)
- -
AO 4
(PWM)
Condensing fan Circuit # 2 Condensing fan Circuit # 2