• BACnet (MS/TP), MODBUS or Stand-Alone Application
  • PID loop control
  • Easy to use graphical interface
  • Staged or modulating heat output
  • High and low limit alarm capable
  • 4 Independent Control Loops
  • Custom Programming Options
  • 8 Universal Inputs, 6 Binary Outputs, 3 Analog Output
  • Remote Display Capable
  • TCI2 serving as an Expansion with additional Inputs and Outputs available
Unit of Measure

Power Requirements

N/A 24 VAC ±10%, 50/60 Hz, 15…34 VDC ±10%
SELV to HD 384, Class II, 48VA max

Power Consumption

N/A Max. 10 VA

Electrical Connections

N/A 0.34…2.5 mm² wire (AWG 24…12) Terminal Connectors

Signal Input

N/A Universal Input Setting for Voltage or Current

Input Signal
0-10 V or 0-20 mA
9.76 mV or 0.019 mA (10 bit)
Voltage: 98kΩ Current: 240Ω

Universal Input configured to remote temperature (RT) or digital input (DI)

Type and Range
NTC (Sxx-Tn10 sensor): -40…100 °C (-40…212 °F)

Signal Output

N/A Analog Output

Output Signal
DC 0-10 V / 0-20 mA
9.76 mV / 0.019 mA (10bit)
Output Load
Voltage: ≥1kΩ Current: ≤250Ω

Relays Outputs

AC Voltage
0…250 VAC, full load current 3A, locked rotor 18A
DC Voltage
0…30 VDC, full load current 3A, locked rotor 18A

Insulation Strength between relays contacts and system electronics:
4000V AC to EN 60 730-1
Between neighboring contacts:
1250V AC to EN 60 730-1


N/A Operation
To IEC 721-3-3
Climatic Conditions
Class 3 K5
0…50 °C (32…122 °F)
<85 % r.H. non-condensing

Transport & Storage
To IEC 721-3-2 and IEC 721-3-1
Climatic Conditions
Class 3 K3 and Class 1 K3
-25…70 °C (-13…158 °F)
<95 % r.H. non-condensing
Mechanical Conditions
Class 2M2


N/A CE Conformity

EMC directive
Low Voltage Directive


Product Standards

Automatic electrical controls for household and similar use
EN 60 730-1
Special requirements on temperature dependent controls
EN 60 730-2-9

Electromagnetic compatibility for industrial and domestic sector
Emissions: EN 60 730-1
Immunity: EN 60 730-1
Degree of Protection
IP00 to EN 60 529
Pollution Class
II (EN 60 730-1)
Safety Class
III (IEC 60536) if SELV is connected to DO
II (IEC 60536) if line voltage is connected to DO
Overvoltage Category
III (EN 60 730-1)

Product Standards
Temperature- indicating and –regulating equipment
UL 873
Mark: c(ETL)us
CSA C22.2 No.24
Certified by Intertek: 4005917

Connection to remote terminal

N/A Hardware Interface
RS485 in accordance with EIA/TIA 485
Twisted pair cable


N/A Hardware Interface
RS485 in accordance with EIA/TIA 485
Max nodes per network
Max nodes per segment
64 (Vector devices only)
Shield Twisted Pair (STP) cable
100 - 130 ohm
Nominal Capacitance
100 pF/m 16 pF/ft or lower
Nominal Velocity
65% or higher
Galvanic Isolation
The communication circuitry is galvanic isolated
Line Termination
A line termination resistance (120 ohm) shall be connected between the terminals (+) and (-) of the furthermost node of the network
Network topology
Daisy chain according EIA/TIA 485 specifications
Recommended maximum length per chain
1200 m (4000 ft)


N/A Communication Standard
Modbus (www.modbus.org)
Default Setting
19200 baud rate, RTU 8 data bits, 1 even parity bit, 1 stop bit
Communication speed
4800, 9600, 19200, 38400
Data bits
RTU – 8 data bits, ASCII – 7 – data bits,
Parity – stop bit
No parity – 2 stops, even or odd parity – 1 stop


N/A Communication Standard
BACnet MS/TP over RS485
Communication speed
9600, 19200, 38400, 57600, 76800, 115200