Tarjeta De Expansión - Carel uC2 Manual Del Usuario

µC 2 Description
B1 Control probe (Evaporator inlet/ambient)
B2 Protection probe (evaporator outlet/outlet)
B3 Condenser/outside temperature probe
B4 (universal) Condenser pressure probe
ID1 Flow switch thermal overload circuit 1
cooling/heating end defrost circuit 1 step 1
condensing unit second set point
ID2 Flow switch thermal overload 1 circuit
cooling/heating end defrost circuit 1 step 2
condensing unit second set point
ID3 High pressure circuit 1
ID4 Low pressure circuit 1
ID5 Remote ON/OFF reverse cycle condensing unit
if reversible
Y1 Ramp circuit 1 (condenser)
C1/2-NO1 Compressor 1
C1/2-NO2 Heater or reversing valve in 1st circuit
C3/4-NO3 Fan 1/evaporator pump
C3/4-NO4 Compressor 2 (capacity-control compressor 1)
C5-NO5 Alarm or reversing valve
*= Any of the options for P08 can be selected (see Tab. 5.11)
**= Any of the options for P08 can be selected, except for E/I and E/I delay.
7.2 Tarjeta de expansión
Este dispositivo permite al µC 2 gestionar el segundo circuito refrigeran-
te de las enfriadoras, bombas de calor y unidades de condensación
con hasta 4 compresores herméticos. La figura siguiente muestra el
esquema de conexiones de la tarjeta de expansión del µC
MCH200002*.
I/O Layout
Expansion Description
B5 Sonda uscita in comune ai 2 evaporatori (solo con 2 circuiti)
B6 Sonda di protezione (uscita 2° evaporatore) circuito 2
B7 Sonda di temperatura 2° condensatore
B8 (universal) Sonda pressione 2° condensatore
ID6 Flow switch thermal overload circuit 2
condensing unit second set point
ID7 Flow switch thermal overload circuit 2
- end defrost circuit 2 step 4
condensing unit second set point
ID8 High pressure circuit 2
ID9 Low pressure circuit 2
ID10
Y2 Ramp circuit 2 (condenser)
C6/7-NO6 Compressor 3 (1 in 2nd circuit)
C6/7-NO7 Heater or reversing valve in 2nd circuit
C8/9-NO8 Fan 2/condenser pump/backup
C8/9-NO9 Compressor 4 (capacity-control compressor 2) or reversing
valve circuit 1 or reversing valve circuit 2
C10-N010 Warning or reversing valve circuit 2
7.2 Expansion card
This device allows the µC
chillers, heat pumps and condensing units with up to 4 hermetic
compressors.
2 , código The following figure shows the connection diagram for the µC
expansion card, code MCH200002*.
EV Driver
EV driv er
Tx/Rx GND
Expansion board
Bottom
G0 B5 B6 B7 ID10 ID8 ID6
G GND GND Y GND ID9 ID7
N L
Line
Fig. 7.2.1
71
end defrost circuit 2 step 4
2 to manage the second refrigerant circuit on
No6 C6/7 C6/7 C8/9 x C10
No7 No8 No9 C8/9 x No10
GND Tx/Rx
t-LAN
- cod. +030220420 - rel. 2.1 - 17.01.05
µC 2
Tab. 7.1
2
N
Line
L
Top
GND B8 V+
pressure
probe
P
temperature
probe
digital
input