HVAC and BAS Fundamentals - Building Automation Monthly

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Part 2
A Building Automation Monthly Course, Can be freely distributed as long as original authorship is acknowledged.
1
Overview
Course is based off Honeywell Grey
Manual available here.
 Course will last roughly 32 weeks
covering all 16 chapters.
 Questions will follow the presentation.

A Building Automation Monthly Course, Can be freely distributed as long as original authorship is acknowledged.
2
Chapter 1 Part 2 Agenda

Control System Characteristics
 Controlled Variables
 Control Loops
 Control Methods
○ Analog/Digital
 Control Modes
○ Two-Position
○ Step (or Sequenced)
○ Floating
○ PI/PID
A Building Automation Monthly Course, Can be freely distributed as long as original authorship is acknowledged.
3
Controlled Variables
A Building Automation Monthly Course, Can be
freely distributed as long as original authorship is
acknowledged.
4
Control Loops
A Building Automation Monthly Course, Can be
freely distributed as long as original authorship is
acknowledged.
5
Two Position
A Building Automation Monthly Course, Can be
freely distributed as long as original authorship is
acknowledged.
6
Floating and Step
A Building Automation Monthly Course, Can be
freely distributed as long as original authorship is
acknowledged.
7
P + I (and sometimes D)
A Building Automation Monthly Course, Can be
freely distributed as long as original authorship is
acknowledged.
8
Questions
If my sensor is 1 foot from my control
valve what kind of control should I use?
 If I am 5 degrees off setpoint and I have
been for 10 minutes what is my
output?(assume stup of 50, I of 5/min, I
max =20, P=1deg/1.)

A Building Automation Monthly Course, Can be freely distributed as long as original authorship is acknowledged.
9
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