KMC Controls BAC-4000 series User Manual

Advanced options 60
Section 5: Sequences of operation 65
Room temperature setpoints 66
Types of setpoints 66
Setpoint limits 67
Occupancy, motion sensing, and standby 67
Automatic cooling and heating changeover 68
Scheduling occupancy 68
Dehumidification sequence 68
Fan status 68
Display blanking and backlight 69
Temperature sensing inputs 69
Space temperature sensing 69
Outside air temperature sensing 69
Water temperature sensor 69
Discharge air temperature sensor 70
PID control loops 70
Valve operation for fan coil units 70
On/Off valves 70
Modulating valves 71
Two-pipe water supply temperature evaluation 71
Electric heat for fan coil units 72
Fan operation for fan coil units 72
One, two, and three speed fans 72
Modulating fans 72
Automatic fan control 73
Modulating cooling and heating for Roof Top Units 73
Cooling 73
Heating 73
Valve action 73
Staged heating and cooling for for roof top and heat pump units 74
Staged cooling 74
Staged heating 74
Fan control for roof top and heat pump units 74
Economizer cooling for roof top and heat pump units 75
Heat pump unit specific functions 75
Reversing valve action 75
Auxiliary or emergency heat action 75
Section 6: Application drawings 77
Fan Coil Unit applications 78
Fan Coil Unit—Four-pipe with three-speed fan and on/off valves 78
Fan Coil Unit—Four-pipe with three-speed fan and modulating valves 80
Fan Coil Unit—Four-pipe with modulating fan and on/off valves 82
Fan Coil Unit—Four-pipe with modulating fan and modulating valves 84
Contents KMC Controls, Inc.
4 Revision G

KMC Controls BAC-4000 series Specifications

General

Brand	KMC Controls
Model	BAC-4000 series
Category	Controller
Language	English