Troubleshooting guide

Page 26 of 28 / OM 931-3
Controller Comparison
Note: The Mark IV, MicroTech 2000, Alerton and MicroTech III boards are NOT interchangeable.
Table 12: Control Boards and Features
Mark IV MicroTech 2000 Alerton MicroTech III
Features
DC Power ● – – –
AC Power ● ● ● ●
Terminal Connection 1/4″ Push-on ● – – –
IDC Connection – ● ● ●
Fault Indicators ● ● – ●
Thermostatic Controls ● – – ●
Room Sensor – ● ● ●
LONmark Capable – ● – ●
LonWorks Capable – ● – –
BACnet Capable
(1)
– – ● ●
Motorized Valve Capability – ● ● ●
Short Cycle Protection & Random Start ● ● ● ●
Unoccupied Mode ● ● ● ●
Override Mode ● ● ● ●
Pump Restart ● ● ● ●
Loadshed ● ● ● –
Brownout Protection ● ● ● ●
Unit Shutdown ● ● ● ●
Condensate Overow Protection ● ● ● ●
Remote Reset
(1)
● – – ●
Intelligent Reset
(1)
– – – ●
Dual Circuit Capability ● ● ● ●
Adjustable Set Points Through Software – ● ● ●
Adjustable Fan Speed – – – ●
Electric Heat Availability – – – ●
Service Tools Needed at Start up – ● ● ●
Dipswitch Settings – – ● –
Programmable Front-end Settings – ● – ●
Switching Line Voltage ● – – ●
● = Applies – = Does not apply
Note:
(1) Alerton BACnet requires Alerton service tools for commissioning
(1) Alerton dipswitch settings must be configured during commissioning
(1) See Remote Reset and Intelligent Reset information under section: Additional Operating Modes