Honeywell LCBS User Manual

APPLICATION MANUAL
31-00118EFS-01
LCBS Connect Solution
TABLE OF CONTENTS
Introduction .................................................................................................................................................................. 2
Background....................................................................................................................................................................................... 3
Automatic Building Schedules ................................................................................................................................ 4
Scheduling a Holiday .................................................................................................................................................................... 5
Heating, Heat Pump Control .................................................................................................................................... 6
Heating Theory and Operation ................................................................................................................................................. 6
Basic Gas and Electric Heating ................................................................................................................................................ 6
Air to Air Heat Pump ...................................................................................................................................................................... 6
Droop, Comfort and Saving Heat Pump Mode................................................................................................................... 7
Discharge Air Temperature High Limit Control.................................................................................................................. 7
Cooling, Dehumidification, Economizer Control ................................................................................................7
Cooling Theory and Operation.................................................................................................................................................. 7
Cooling Operation .......................................................................................................................................................................... 8
Dehumidification Theory and Operation .............................................................................................................................. 8
Method #1: Cooling On, Cycle Heating ................................................................................................................................. 8
Method #2: Simple Humidification......................................................................................................................................... 8
Method #3: Dehumidification extended cooling minimum run time ....................................................................... 9
Fresh Air Economizer Control .................................................................................................................................. 9
Theory and Operation Economizer ......................................................................................................................................... 9
General Economizer Operation ................................................................................................................................................ 9
Honeywell Integrated Economizer Control Described .................................................................................................... 10
Honeywell Integrated Economizer Control, Climate Zones .......................................................................................... 12
Honeywell Integrated Economizer Control - High Limit and Changeover Strategies........................................ 12
Strategy 1: Differential Enthalpy with Fixed Dry Bulb Temperature Limit .............................................................. 12
Strategy 2: Outdoor Air Enthalpy.............................................................................................................................................. 12
Strategy 3: Differential Temperature ...................................................................................................................................... 12
Strategy 4: Outdoor Temperature ............................................................................................................................................ 12
Low Limit Temperature Override Control ............................................................................................................................. 13
Freeze Stat Operation ................................................................................................................................................................... 13
Advanced Temperature Control Fundamentals..................................................................................................13
Proportional Control and the Concept of Differential and Throttling Range......................................................... 13
Proportional Control...................................................................................................................................................................... 13
Set point and Differential Refresher - On Off, Digital Control ...................................................................................... 14
Integral Action Primer and Refresher Course for Some.................................................................................................. 15
Derivative Control........................................................................................................................................................................... 17
Demand Controlled Ventilation............................................................................................................................... 17
Theory and Operation Demand Controlled Ventilation .................................................................................................. 17
DCV Operation ................................................................................................................................................................................. 17
Adaptive Intelligent Recovery..................................................................................................................................18

Honeywell LCBS Specifications

General

Brand	Honeywell
Model	LCBS
Category	Controller
Language	English