Service manual

75
30AW
6.3 GMC I/O
Diagnostic
6
PERIPHERAL INPUT DEVICE DESCRIPTION
Reference Type Units Min Max
Water Enter Exchanger
Sensor
J6A Sensor (Analog) Volts 0 5
Refrigerant Sensor J6B Sensor (Analog) Volts 0 5
Water Exit Exchanger
Sensor
J6C Sensor (Analog) Volts 0 5
Outdoor Air Sensor J22 Pin 1-2 Sensor (Analog) Volts 0 5
Flow Switch Input J17 Switch input (Discrete) None 0 1
Mode (Heat/Cool) J18 Pin 1 (pin 2 com-
mon for ECO and On/
0ò
Switch input (Discrete) None 0 1
EOL Test Start Test Analog Voltage 0 5
Remote Control J5 Pin 1 to 4 Discrete Voltage 0 5
Zero Crossing Zero Crossing Discrete Voltage (DC) 0 5
Eco J20 Pin 3 Switch input (Discrete) None 0 1
Communications
Interrupt
Comm Int RS485 Communications Voltage (DC) 0 5
Power Limitation
Switch
J16 Pin 5 - 1 Switch input (Discrete) None 0 1
Inverter Rx HV Rx Discrete Voltage (AC) 0 264
SanWat Dry contact J20 Pin 4 - 7 Switch input (Discrete) None 0 1
0O0ò J16 Pin 4 Switch input (Discrete) None 0 1
Safety Input J11 Pin2 Switch input (Discrete) None 0 1
PERIPHERAL OUTPUT DEVICE DESCRIPTION
Description Reference Type Units 220V min 220V Max # Cycles / Year
Trace Heater / Additio-
nal Water pump
J4, Pin3 Relay Voltage 198 264 15000
Amps 0.3 2
Power Factor 1 1
Freq 48 52
Water Pump Speed 1 J7 Pin 1 Relay Voltage 198 264 15000
Amps 0.3 2
Power Factor 0.85 0.98
Freq 48 52
Alarms /TFC Contact J7 Pin 2 Relay Voltage 198 264 15000
Amps 0.3 2
Power Factor 0.85 0.98
Freq 48 52
NOTE: Unit status OFF means that unit immediately stops.
SM_30AW.indd 75 14-03-2011 14:45:26