Stulz C2020 - Page 10

EN/07.2013/58/10
Analog input
ANALOG INPUT
Name Logic ID Signal type Range Terminals Features - description
T1 +
-
T1 PTC* -35÷90 X29 pin 1 Evaporator Temperature (TE)
X29 pin 2
T2 +
-
T2 PTC* -35÷90 X43 pin 1 Internal Temperature (TI)
X43 pin 2
T3 +
-
T3 PTC* -35÷90 X41 pin 1 Condenser Temperature (TC)
X41 pin 2
T4 +
-
T4 PTC* -35÷90 X44 pin 1 External Air Temperature (TAE)
X44 pin 2
ANIN-DI IC1 mA 4÷20 X5 pin 1 Internal Relative Humidity (IRH)
X5 pin 2
IC2 +
-
IC2 mA 4÷20 X42 pin 1 Condenser Pressure (PC)
X42 pin 2
ANIN-DI IC3 mA 4÷20 X5 pin 3 External Relative Humidity (ERH) /
Evaporator pressure (PE)
X5 pin 4
* PTC sensor KTY-81
Digital input
The 13 digital inputs are free-contact type. All of them have a common reference. The contacts for digital inputs must
be mechanical and non-solid state.
DIGITAL INPUT
Name Logic ID Signal type Terminals Features - description
ANIN-DI A1 Free contact X5 pin 5
X5 pin 6 Fire-smoke presence
DI1 A6 Free contact X13 pin 1
X13 pin 2 Magneto-thermal protection of condenser fan
ANIN-DI A3 Free contact X5 pin 7
X5 pin 8 Door open / Intrusion
ANIN-DI A4 Free contact X5 pin 9
X5 pin 10 External enable (ON-OFF)
DI2 A5 Free contact X15 pin 1
X15 pin 2 Magneto-thermal protection compressor
DI3 A8 Free contact X35 pin 1
X35 pin 2 Thermal protection heating element
DI4 A7 Free contact X12 pin 1
X12 pin 2 Magneto-thermal protection evaporator fan
DI5 A12 Free contact X40 pin 1
X40 pin 2 Air flow
DI6 A11 Free contact X39 pin 1
X39 pin 2 Dirty filter alarm (or blocked condenser)
DI7 A10 Free contact X38 pin 1
X38 pin 2 High pressure
DI8 A9 Free contact X37 pin 1
X37 pin 2 Voltage lack