EVCO c-pro nano CHIL - Manual (Page 88)

C-PRO NANO CHIL AND C-PRO MICRO CHIL – APPLICATION MANUAL
Pag. 88
TWIN-CIRCUIT VERSIONS (PG01=2)
6.2.6 Twin-circuit air-to-air units
PG01 = 2
Twin-circuit PG00 = 1
Air-to-air chiller PG00 = 2
Air-to-air chiller + heat pump
Analogue inputs
AI 1
(NTC)
Ambient air temperature Ambient air temperature
AI 2
(NTC)
Delivery air temperature Delivery air temperature
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)
- -
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 Air-flow differential pressure switch Air-flow differential pressure switch
DI 5 Recirculating fan thermal switch Recirculating fan thermal switch
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 switch compressor # 3 Thermal switch compressor # 3
DI 9 Thermal switch compressor # 4 Thermal 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 Recirculating fan Recirculating fan
DO 2 Compressor # 1 Compressor # 1
DO 3 Compressor # 2 Compressor # 2
DO 4 - Inverter valve Circuit # 1
DO 5 Fluid solenoid valve Circuit # 1 Fluid solenoid valve Circuit # 1
DO 6 General alarm General alarm
DO 7 - -
DO 8 Compressor # 3 Compressor # 3
DO 9 Compressor # 4 Compressor # 4
DO 10 - Inverter valve Circuit # 2
DO 11 Fluid solenoid valve Circuit # 2 Fluid solenoid valve Circuit # 2
DO 12 - Defrosting-support heating coil
Analogue outputs
AO 1
(PWM)
Condensing fan Circuit # 1 Condensing fan Circuit # 1
AO 2
(0..10 V / 4..20 mA)
- -
AO 3
(0..10 V / 4..20 mA)
- -
AO 4
(PWM)
Condensing fan Circuit # 2 Condensing fan Circuit # 2