Table Of Contents - Contemporary Controls BASstat BAST-121C-B2 User Manual

Contents
1 Introduction .............................................................................................................................. 4
1.1. Features and Benefits ....................................................................................................... 5
1.2. Product Image and Main Features .................................................................................... 6
BASstat 121C-B2 ..................................................................................................................... 6
2 Specifications ........................................................................................................................... 7
2.1. Inputs ................................................................................................................................. 7
2.2. Outputs .............................................................................................................................. 7
2.3. Communication .................................................................................................................. 7
2.4. Electrical ............................................................................................................................ 7
2.5. Environmental.................................................................................................................... 8
2.6. Electromagnetic Compatibility ........................................................................................... 8
2.7. Mechanical (all dimensions are in mm) ............................................................................. 9
3 Installation .............................................................................................................................. 11
3.1. Terminal Block Pin Assignments ..................................................................................... 11
3.2. Limited Power Source ..................................................................................................... 11
3.3. Power Supply Precautions .............................................................................................. 12
3.4. Wiring Diagram ................................................................................................................ 12
4 Operation ............................................................................................................................... 13
4.1. User Mode ....................................................................................................................... 13
User Mode Thermostat .......................................................................................................... 14
User Mode Flow Chart ........................................................................................................... 15
4.2. Control Type .................................................................................................................... 15
Fan Output in Heat Mode ....................................................................................................... 16
Fan Output in Heat Mode ....................................................................................................... 16
Algorithm ................................................................................................................................ 16
System Mode ......................................................................................................................... 17
Fan Control Output ................................................................................................................ 17
Short Cycle and Maximum Cycles per Hour .......................................................................... 17
Minimum Cooling Setpoint and Maximum Heating Setpoint .................................................. 18
Assigned Current Temperature .............................................................................................. 18
Occupancy Setting ................................................................................................................. 18
4.3. Engineering Mode Menu ................................................................................................. 19
Operation of Engineering Menu ............................................................................................. 19
Engineering Menu Flow Chart ............................................................................................... 19
Engineering Menu Items Table .............................................................................................. 20
Lock Function Setup and Examples ...................................................................................... 24
4.4. BACnet Objects and Network Configuration .................................................................... 25
Transmission type .................................................................................................................. 25
Initial Configuration ................................................................................................................ 25
MS/TP Communication Configuration .................................................................................... 25
BACnet Object Table ............................................................................................................. 27
5 Warranty ................................................................................................................................ 35
6 Returning Products for Repair ................................................................................................ 35
7 Declaration of Conformity ....................................................................................................... 35
UM-15095000-AA0 Page 3