English
5
SysAer
N°
Description
Y1
Economizer damper
Y2
Heating valve
Y3
FRECO control
Y4
Not used
2.1.4. ANALOGUE OUTPUTS
2.2. SYSAER SR160 - SR190 - SR210
2.2.1. DIGITAL INPUTS
(*) Customer input
2.2.1.1. EXPANSION BOARD
N°
Description
ID1
Return blower thermal cut-out
ID2
Clogged filter alarm
ID3
Remote Summer/Winter (*)
ID4
Main blower thermal cut-out
ID5
Remote start/stop (*)
ID6
Circuit 1 electronic pressure reducing valve
ID7
Smoke Detector
ID8
Circuit 1 thermal circuit breaker of the compressor and fan
ID9
Hot water coil anti-freeze security
ID10
Circuit 2 thermal circuit breaker of the compressor and fan
ID11
Electrical Heater 1 and 2 thermal cut-out / Gas burner stage 1
ID12
Circuit 2 electronic pressure reducing valve
ID13
High-pressure switch circuit 1
ID14
High-pressure switch circuit 2
N°
Description
ID1
Alarm feedback of the active recovery (TRECO)
ID2
Not used
ID3
FRECO anti-freeze security
ID4
Not used
2.2.2. ANALOGUE INPUTS
2.2.2.1. EXPANSION BOARD
N°
Description
Code
B1
Low pressure transducer circuit 1
EP1
B2
Low pressure transducer circuit 2
EP2
B3
Defrost temperature circuit 1
OCT1
B4
Suction temperature circuit 1
CST1
B5
Defrost temperature circuit 2
OCT2
B6
Return air temperature
RAT
B7
Supply air temperature
SAT
B8
Suction temperature circuit 2
CST2
N°
Description
Code
B1
Return air relative humidity or quality
RAH or RAQ
B2
Outdoor air temperature (NTC / 4-20mA)
OAT
B3
Circuit 1 condensation pressure transducer
CP1
B4
Circuit 2 condensation pressure transducer OR relative humidity of the outside air
CP2 / OAH
