TAB Journal Fall 2020 - 7

every three years. If you have little or
no ongoing maintenance, then consider
doing so every year.
(All testing and reporting should follow
the ANSI/AABC National Standards
for Total System Balance, 7th Edition:
https://www.aabc.com/publications):
1.	 Automatic Dampers

e.	 Verify minimum and maximum
outside airflows.
f.	 Verify relief.

b.	 Verify control sequence for each
boiler and pump.

h.	 Has any system been changed
since the original construction?

c.	 Verify the system isolation
valves are functional.

4.	 Cooling System
a.	 Verify start and stop sequences.

b.	 Verify all seals are intact and
clean.

b.	 Verify control sequence for each
chiller and pump.

c.	 Verify the building automation
system (BAS) controls each
properly.

c.	 Verify the system isolation
valves are functional.

a.	 Inspect all filters for cleanliness
and evaluate frequency of
replacement.
b.	 Verify filters are the same
minimum efficiency reporting
value rating as designed.
c.	 Verify the filter racks do not
allow air to bypass.
3.	 Air Handler Unit (AHU) &
Exhaust Fan systems
a.	 Verify the control sequence for
each AHU and exhaust system.
b.	 Verify start and stop sequences.
c.	 Verify interlocks.
d.	 Verify total airflow with pitot
traverse.

TAB Journal Fall 2020

a.	 Verify start and stop sequences.

g.	 Verify systemic pressure losses.

a.	 Verify all move freely.

2.	Filters

6.	 Heating Systems

d.	 Verify pressure reducing valve
(PRV) and system pressure
control is operational.
e.	 Verify system air control is
operational.
f.	 Verify system automatic air
vents are operational.
g.	 Verify the pressure at the
highest point in the system with
the pumps off.
5.	 Cooling Tower System
a.	 Verify start and stop sequences.
b.	 Verify control sequence for each
condenser and pump.
c.	 Verify the system isolation
valves are functional.
d.	 Verify system fill and pressure
equalization control are
operational.

d.	 Verify PRV and system pressure
control is operational.
e.	 Verify system air control is
operational.
f.	 Verify system automatic air
vents are operational.
g.	 Verify the pressure at the
highest point in the system with
the pumps off.
7.	 With all exhaust and supply
systems operating at both
minimum and maximum setpoints,
verify the building pressurization.
8.	 Verify the calibration of each BAS
sensor (temperature, humidity,
pressure, CO2 and motor sensors).
9.	 Spot-check operation of variable
air volume terminal boxes across
design operating range.
10.	Submit a report of all tests.
AIA
Continuing
Education
Provider

After reading the full
issue, take what you've
learned, visit
www.aabc.com/TABQuiz
and pass the quiz to
earn 1 AIA LU.

7


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TAB Journal Fall 2020

Table of Contents for the Digital Edition of TAB Journal Fall 2020

TAB Journal Fall 2020 - Cover1
TAB Journal Fall 2020 - Cover2
TAB Journal Fall 2020 - 1
TAB Journal Fall 2020 - 2
TAB Journal Fall 2020 - 3
TAB Journal Fall 2020 - 4
TAB Journal Fall 2020 - 5
TAB Journal Fall 2020 - 6
TAB Journal Fall 2020 - 7
TAB Journal Fall 2020 - 8
TAB Journal Fall 2020 - 9
TAB Journal Fall 2020 - 10
TAB Journal Fall 2020 - 11
TAB Journal Fall 2020 - 12
TAB Journal Fall 2020 - 13
TAB Journal Fall 2020 - 14
TAB Journal Fall 2020 - 15
TAB Journal Fall 2020 - 16
TAB Journal Fall 2020 - 17
TAB Journal Fall 2020 - 18
TAB Journal Fall 2020 - 19
TAB Journal Fall 2020 - 20
TAB Journal Fall 2020 - Cover3
TAB Journal Fall 2020 - Cover4
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https://www.nxtbook.com/ygsreprints/AABC/G122399AABC_Fall2020
https://www.nxtbook.com/ygsreprints/AABC/G120138AABC_Summer2020
https://www.nxtbook.com/ygsreprints/AABC/G118248AABC_Spring2020
https://www.nxtbook.com/ygsreprints/AABC/G116302AABC_Winter2020
https://www.nxtbook.com/ygsreprints/AABC/G114573_AABC_Fall2019
https://www.nxtbook.com/ygsreprints/AABC/G111085_tab_summer2019
https://www.nxtbook.com/ygsreprints/AABC/g108931_tab_spring2019
https://www.nxtbook.com/ygsreprints/AABC/g104992_tab_winter2019
https://www.nxtbook.com/ygsreprints/AABC/g100221_tab_fall2018
https://www.nxtbook.com/ygsreprints/AABC/g97743_tab_summer2018
https://www.nxtbook.com/ygsreprints/AABC/g94804_tab_spring2018
https://www.nxtbook.com/ygsreprints/AABC/g91043_tab_winter2018
https://www.nxtbook.com/ygsreprints/AABC/g86727_tab_fall2017
https://www.nxtbook.com/ygsreprints/AABC/g81312_tab_summer17
https://www.nxtbook.com/ygsreprints/AABC/g78003_tab_spring17
https://www.nxtbook.com/ygsreprints/AABC/g73432_tab_winter17
https://www.nxtbook.com/ygsreprints/AABC/g7002_tba_fall2016
https://www.nxtbook.com/ygsreprints/AABC/g65897_tab_summer2016
https://www.nxtbook.com/ygsreprints/AABC/g62758_tab_spring16
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https://www.nxtbook.com/ygsreprints/AABC/tab_summer2015
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https://www.nxtbook.com/ygsreprints/AABC/g48663_aabc_winter2015
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https://www.nxtbook.com/ygsreprints/AABC/g43965_aabc_summer2014
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