Controller Comparison
Note: The Mark IV, MicroTech 2000, Alerton and Micro-
Tech III boards are NOT interchangeable.
Table 14: Control Boards and Features
Features
DC Power
AC Power
Terminal Connection 1/4" Push-on
IDC Connection
Fault Indicators
Thermostatic Controls
Room Sensor
L
M
Capable
on
ark
L
W
Capable
on
orks
1
BACnet Capable
Motorized Valve Capability
Short Cycle Protection & Random Start
Unoccupied Mode
Override Mode
Pump Restart
Loadshed
Brownout Protection
Unit Shutdown
Condensate Overflow Protection
1
Remote Reset
1
Intelligent Reset
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
Notes:
● = Applies
– = Does not apply
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
OM 1149-5
Mark IV
MicroTech 2000
●
–
●
●
●
–
–
●
●
●
●
–
–
●
–
●
–
●
–
–
–
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
–
–
–
●
●
–
●
–
–
–
–
–
●
–
–
–
●
●
–
28
a
ppendIx
Alerton
MicroTech III
–
–
●
●
–
–
●
●
–
●
–
●
●
●
–
●
–
–
●
●
●
●
●
●
●
●
●
●
●
●
●
–
●
●
●
●
●
●
–
●
–
●
●
●
●
●
–
●
–
●
●
●
●
–
–
●
–
●
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