3 single-circuit water-to-water units – EVCO c-pro nano CHIL User Manual
Page 85
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C-PRO NANO CHIL AND C-PRO MICRO CHIL – APPLICATION MANUAL
Pag. 85
6.2.3
Single-circuit water-to-water units
PG01 = 1
Single-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
Outlet water temperature
AI 3
(NTC / 4..20 mA)
Condensing pressure/temperature
Condensing pressure/temperature
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)
-
-
AO 2
(0..10 V / 4..20 mA)
Condensing valve control
Condensing valve control
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).