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48
JOHNSON CONTROLS
FORM 100.50-NOM6 (1207)
Startup
The supply, exhaust and return fans
have tie down bolts are installed at the
factory to prevent movement in the fan
assemblies during shipment. THESE
HOLD DOWN BOLTS MUST BE
REMOVED PRIOR TO OPERATION
OF THE ABOVE FANS. There are
eight bolts per assembly two at each
comer of the fan skids, front and rear.
The bolt locations are shown in Figure
3-1. The bolt heads are red in color
and a label identifies their location in
the unit.
13. Verify proper belt tension of supply fan, exhaust
fan or return fan (refer to Maintenance section of
manual). Belts must be checked after 24 hours of
initial operation.
14. Manually rotate condenser fan blades, supply
exhaust and return blower wheels and motors, to
assure freedom of movement.
15. Verify proper condensate drain trap installation
(refer to Figure 2-6). Fill traps with water prior to
unit start-up.
16. If applicable, verify installation of air filters (refer
to Installation section for size and quantity).
FIG. 3-1 – FAN HOLD DOWN BRACKETS
SUPPLY FAN ASSEMBLY
EXHAUST FAN ASSEMBLY
Fan Hold Down Brackets (4)
Fan Hold Down
Brackets (4)
LD13268