Titus HAB Horizontal Air Handler Belt Drive - Manual (Page 9)

HAB Installation Manual
IOM-HAB-00 06-30-04
Operation and Maintenance
Read and heed warning and danger notices before
operation and maintenance
DANGER
DISCONNECT ELECTRICAL POWER TO ALL
CIRCUITS BEFORE SERVICING UNIT. FAILURE TO DO
SO MAY RESULT IN PERSONAL INJURY FROM
ELECTRICAL SHOCK OR MOVING PARTS.
Return Air Filters
Inspect return air filters on a regular basis (at least
monthly). Clean or replace filter(s). Filter can be accessed
from either side of unit.
Caution: Always operate unit with a filter and/or
filter access door closed to avoid blower motor
damage.
Coil
The coil is easily cleaned when dry. To check or clean,
remove unit access panel, filter access door and filter(s).
Use accepted industry methods for cleaning. Remove all
foreign matter from pan and condensate drain line. Check
for rust and holes.
Belt and Pulley
The following list highlights items to consider for belt and
pulley maintenance and adjustment.
•
Proper pulley alignment and belt tension must be
maintained at all times.
• Reduce speed by adjusting pulley faces so the faces
are further apart.
• Increase speed by moving the faces closer together.
• Check pulley setscrews and bolts.
Motor
Proper lubrication is essential to long motor life. Use
electric motor oil or SAE20 non-detergent oil. Tighten
motor mount bracket and base bolts.
Note: Avoid over oiling the motor. If a motor is over-
oiled, the oil may run down the motor shaft and
splatter.
Blower
Periodically check bearing for wear. Replace as required.
Check wheel for dirt accumulation and clean as required.
Abbreviations
The following table lists the abbreviations used within this
document.
Abbrev. Term
ANSI American National Standard Institute
ASHRAE American Society of Heating Refrigeration
Air-Conditioning Engineers
ASTM American Society for Testing and
Materials
CFM cubic feet per minute
CW cold water
ETL Environmental Testing Laboratory
fpi fins per inch
fpm feet per minute
FPT female pipe thread
HW hot water
IAQ Indoor Air Quality
OD outside diameter
ODP open-drip proof
PSI pounds per square inch
rpm revolutions per minute
SP static pressure
SWT sweat
UL Underwriters Laboratory
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