EVCO c-pro nano CHIL - Manual (Page 84)

C-PRO NANO CHIL AND C-PRO MICRO CHIL – APPLICATION MANUAL
Pag. 84
6.2.2 Single-circuit air-to-water units
PG01 = 1
Single-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 Outlet water temperature
AI 3
(NTC / 4..20 mA)
Condensing pressure Condensing pressure
AI 4
(NTC / 4.20 mA / DI)
Used as DI 6 Used as DI 6
Digital inputs
DI 1 High-pressure pressure switch High-pressure pressure switch
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 (*) Low-pressure pressure switch Low-pressure pressure switch
Digital outputs
DO 1 Circulating pump Circulating pump
DO 2 Compressor # 1 Compressor # 1
DO 3 Compressor # 2 Compressor # 2
DO 4 - Circuit inverter valve
DO 5 Anti-frost heating coil Anti-frost heating coil
DO 6 General alarm General alarm
Analogue outputs
AO 1
(PWM)
Condensing fan Condensing fan
AO 2
(0..10 V / 4..20 mA)
- -
AO 3
(0..10 V / 4..20 mA)
- -
By selecting these units, default values for parameters PC11=1 and PH44=1 are automatically set,
while a “0” value is set for all input/output position parameters not specified in this configuration.
(*) Digital input derived from analogue input (parameter PH44).