Supply Fan (Blower) Section; Supply Fan (Direct-Drive) - Bryant 582K 08 Series Service And Maintenance Instructions

To remove the filters:
1. Grasp the bottom flange of the upper panel.
2. Lift up and swing the bottom out until the panel disen-
gages and pulls out.
3. Reach inside and extract the filters from the filter rack.
4. Replace these filters as required with similar replacement
filters of same size.
To re-install the access panel:
1. Slide the top of the panel up under the unit top panel.
2. Slide the bottom into the side channels.
3. Push the bottom flange down until it contacts the top of
the lower panel (or economizer top).
OUTSIDE AIR HOOD
Outside air hood inlet screens are permanent aluminum-mesh
type filters. Check these for cleanliness. Remove the screens
when cleaning is required. Clean by washing with hot low-pres-
sure water and soft detergent and replace all screens before re-
starting the unit. Observe the flow direction arrows on the side of
each filter frame.
ECONOMIZER INLET AIR SCREEN
This air screen is retained by filter clips under the top edge of the
hood. (See Fig. 5.)
Divider
Cleanable
Aluminum
Filter
Barometric
Relief
Fig. 5 — Filter Installation
To remove the filter, open the filter clips. Re-install the filter by
placing the frame in its track, then closing the filter clips.
MANUAL OUTSIDE AIR HOOD SCREEN
This inlet screen is secured by a retainer angle across the top edge
of the hood. (See Fig. 6.)
Screws
Fig. 6 — Screens Installed on Outdoor-Air Hood
Outside
Air
Hood
Filter
Filter Clip
To remove the screen, loosen the screws in the top retainer and
slip the retainer up until the filter can be removed. Re-install by
placing the frame in its track, rotating the retainer back down,
and tightening all screws.

SUPPLY FAN (BLOWER) SECTION

ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Before performing service or maintenance operations on
unit, LOCKOUT/TAG-OUT the main power switch to unit.
Electrical shock and rotating equipment could cause severe
injury.

Supply Fan (Direct-Drive)

All 582K units have the Axion™ Fan Technology direct drive
vane axial fan system. The fan is driven by an ECM motor with
speed that is user set through the Unit Control Board (UCB).
Speeds are fully configurable from 40% to 100% of motor's max-
imum speed. (See Fig. 7 and 8.)
Motor
Plug
Fan
Motor
ECM Motor
Fig. 7 — Direct-Drive Supply Fan Assembly
Serial (R/T)
PINK
10 vdc Source ORANGE
0-10 vdc signal GRAY
RED
Safety Relay
Fig. 8 — ECM Motor Plug Connectors
4
WARNING
WHITE CTL Signal Common
1 2 3
BLACK
Power L1
4 5 6
YELLOW Power L2
7 8 9
Power L3
BLUE
10 11 12
YEL/GRN
Earth Ground
RED
Safety Relay
VIOLET
PWM signal