CTU4500 series
A simple to operate, easy to install and troubleshoot, communicating HVAC controller with Modbus protocol.
The factory pre-programming makes these controllers the best solution in the market for communicating
FAN COIL and A/C applications.
24 VAC DIN-Rail mounted controller,
for Air-Condition, WSHP and
Fan-Coil applications.
With various configurations to meet the different HVAC needs.
Works with different options of wall panel:
ETN/X500 FMH/X500 IRP/X500 MTS/X500
Technical Specifications
- Main input – 24VAC
- F/C, A/C and WSHP applications
- On/Off or proportional outputs for Cool & Heat
- T1 sensor – Return Air Sensor
- T2 sensor – Auto-change over sensor or freeze protection
- T3 sensor – Indoor coil sensor for Heat (soft-start)
- Fault (1) input, dry contact, Normally Closed, when open all outputs turn off
- Fault (2) input dry contact, for Occupancy Sensor
- 3 Speeds output- 24VAC, 3Amp each – with Auto Speed function
- Fan Only – selectable
- Occupancy Sensor (12VDC supply)
- Fan On/Auto-Fan in Cool or Heat
- Condensing Pump output -24VAC, 1A
- Wall & flush mount panels, or IR panel – option
- Dimensions: 8.1 x 3.77 x 2.36 inches (205 x 96 x 60mm)