FCU Thermostat MFC0250

Three Fan Speed Control
Support either 1, 2 or 3 fan speed control, relay-type output. Auto Fan mode is available for 2 & 3 fan speed.

Hot and Cold Valve Control
Separate hot and cold valve control, relay output. Support 2 and 4 circuits system.

Sleep Function
Sleep function for energy saving.

Swing Function
For asynchronous motor control. Use unoccupied relay output (either from fan, heat or cool control).

7 Days Programmable Timer
Built in 7 days programmable timers. Each timer consists of 2 On/Off time.

Alarm Clock
Built in battery backup real time clock and alarm clock.

Temperature Sensor
Built in return air sensor.

External Sensor
Two external sensors for anti-freeze protection, external return air sensor with user configurable temperature table. Can be used as general purpose digital input.

Temperature offset control
Temperature offset setting for all sensors for compensation.

Firmware Upgrade/Configuration
The controller firmware can be upgraded through RS485 connection.

Electrical
Power Supply: 90 – 260VAC, 50/60Hz
Consumption: 25mA max @ 240VAC
Operating Temperature: 32° to 150° F (0° to 65° C)
Storage Temperature: -4° to 150° F (-20° to 65° C)
Operating Humidity: 10% to 95% relative humidity non-condensing

Communication
Physical Interface:
• EIA-485 (BUS A,B) Two-wire
• Half Duplex
• Baud Rate Speed: 9.6K, 19.2k, 38.4K, 115.2K bit/s
• Data Bit: 8 bits
• Parity: None, Even, Odd
• Stop Bit: 1 bit
• Application Protocol: BACnet MSTP / Modbus RTU
• Multi-drop Capability: Yes, Slave (Software ID Setting)

Input/Output Configuration
Fan Output:
• 3 Channels
• Type: Relay Contacts, SPST NO, 1A at 240VAC, Pilot Duty
Heat Output:
• 1 Channel
• Type: Relay Contacts, SPST NO, 1A at 240VAC, Pilot Duty
Cool Output:
• 1 Channel
• Type: Relay Contacts, SPST NO, 1A at 240VAC, Pilot Duty
Sensor Input:
• 2 Channels
• 10K or 10K shunt 11K type Thermistor

Mechanical:
• Dimension: 110mm(W) x 100mm(H) x 48mm(D)
• Material: UL94 ABS
• Weight: 200g