26
TK 53050-3-OP-EN
Specifications
APPLICATION
Control of HVAC unit
SETUP TEMPERATURE RANGE 17 °C (63 °F) to 27 °C (80 °F)
Display in °C and °F as firmware option
OPERATING VOLTAGE RANGE 10 - 32 VDC
CURRENT CONSUMPTION Max. 100 mA
OPERATING TEMPERATURE RANGE -30 °C (-22 °F) to 80 °C (176 °F)
CONNECTION RS232 serial connection
CAN bus - CAN0, CAN1
DIMENSION (WxHxD) 187 mm x 57 mm x 60 mm
POWER SUPPLY
Ready for 12 VDC and 24 VDC
INPUTS Interior Temperature Sensor
Freeze Temperature Sensor
Ambient Temperature Sensor
Heating Coil Temperature Sensor
Floor Heating Temperature Sensor
0 - 5 V DC Analog Input
Coil Pressure Switch
Pressure Switch (LPCO, HPCO)
OUTPUTS (0.7 A Low Side Output - 1.0 A High Side
Output)
3 for Blower Speed - LSO - or PWM 20 kHz
Alternator Excitation - LSO
Compressor Clutch - LSO
Boost Pump - LSO
2 for Solenoid Heat Valve (PWM 0.1 Hz) -
HSO
2 for Fresh Air Damper (0 - 50 - 100% or
PWM 1 Hz) - HSO
2 LSO free (2-speed floor blower)
DIAGNOSTIC / PROGRAMMING RS-232, CANDiag software
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