Salda AMBERAIR COMPACT S-CX H Operation, Installation & Maintenance Instructions page 47

WIRING TERMINALS TYPE
X20: 1,2,3
Power
X20: 4,5,6
Power
X21: 1
Digital input (NO/NC)
X21: 3
Digital input (NO/NC)
X21: 5
Digital input (NO/NC)
X21: 7
Digital input (NO/NC)
X21: 2,4,6,8
Reference voltage
X22: 1
Digital input (NO/NC)
X22: 3
Digital input (NO/NC)
X22: 5 Digital input (NO/NC)
X22: 7 Digital input (NO/NC)
X22: 2,4,6,8 Reference voltage
X23: 1 Digital input (NO/NC)
X23: 3 Digital input (NO/NC)
X23: 5 Digital input (NO/NC)
X23: 2,4,6 Reference voltage
X24: 2 Analog output (0-10V)
X24: 4 Analog output (0-10V)
X24: 6 Analog output (0-10V)
X24: 1,3,5 Ground
X25: 1,2,3 Analog output (0-10V) and ref.
X25: 5 Analog output (0-10V)
X25: 4 Ground
X26: 1,2,3,4,5,6 Stepper output
X27: 1 Digital ground output
X27: 3 Digital ground output
X27: 2,4 Reference voltage
X28: 2 Analog input (0-10V)
X28: 4 Analog input (0-10V)
X28: 6 Analog input (0-10V)
X28: 1,3,5 Ground
X29: 2 Analog input (NTC)
X29: 4 Analog input (NTC)
X29: 1,3 Ground
X30: 1,2,3 Power
X30: 4,5,6 Power
XH1: 1,2,3,4,5,6 Power
U3 Pressure sensor
U4 Pressure sensor
AMBERAIR COMPACT S-CX v2023.3
FUNCTION
24VDC power supply for water preheater actuator
24VDC power supply for water cooler actuator
Electrical preheater aut. protection
Electrical preheater man. protection
System mode switch
Fans speed switch
12VDC output for digital input ref.
DX cooler protection
Supply air filter pressure switch
Extract air filter pressure switch
Fireplace protection
12VDC output for digital input ref.
Fire damper opened
Fire damper closed
12VDC output for digital input ref.
Preheater control
DX cooler control
Combined heating/cooling coil control
Common ground for analog output ref.
By-pass position control
Common ground for analog output ref.
Working indication
Alarm indication
24VDC (max 50mA, 1,2W) output for digital ground output ref.
Air quality sensor transmitter 1
Air quality sensor transmitter 2
Common ground for analog input ref.
Combined heating/cooling coil temp. sensor (WTO)
Water preheater temp. sensor (WTO)
Common ground for analog input ref.
24VDC power supply for air quality sensor 1
24VDC power supply for air quality sensor 2
Supply air pressure sensor
Extract/Exhaust air pressure sensor
EN | 47