Toshiba Carrier MMDMMD-AP0120VHG2UL Installation, Operation And Maintenance Manual page 23

Vertical air handling unit
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DANGER
NEVER enter an enclosed fan cabinet or reach
into a unit while the fan is running.
LOCK OPEN AND TAG the fan motor power dis-
connect switch before working on a fan. Take fus-
es with you and note removal on tag. Electric
shock can cause personal injury or death.
LOCK OPEN AND TAG the electric heat coil pow-
er disconnect switch before working on or near
heaters.
Failure to follow these warnings could lead to per-
sonal injury or death.
Fan System Periodic Maintenance
1. Use of a Preventive Maintenance program is
strongly recommended to insure that the unit oper-
ates safely and efficiently.
2. Motor bearings are permanently sealed and do not
require lubrication.
3. Clean the fan's flow area - maintenance interval in
accordance with the degree of contamination.
4. The fan wheel can be cleaned with a moist cloth.
5. Do not use any aggressive, paint solvent cleaning
agents when cleaning.
6. Never use a high-pressure cleaner or water-spray
for cleaning - particularly when the fan is running.
Coil Cleaning
DETERGENT — Spray mild detergent solution on
coils with garden-type sprayer. Rinse with fresh water.
Check to ensure condensate line is free. Excess water
from cleaning may flood unit if condensate line is
plugged.
035-000051-001
Page 23 of 60
MOTOR/
BLOWER
SLIDES OUT
Figure 18
Figure 19
Figure 20
MMD IOM 1.2 11-10-2020

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