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XP17 SERIES
DEMAND
BEGINS
MISMATCHED
RPM
DEFAULT FAN
MOTOR SPEED
USED
LED CONTINUOUS FAST
FLASH
REPLACE FAN MOTOR
CONTROL BOARD
CRC FAILURE
DEFAULT FAN
MOTOR SPEED
USED
LED CONSTANT ON
REPLACE FAN MOTOR
CONTROL BOARD
SINGLE STAGE
OR EDA
OPERATION
ECM1/Y1
ONLY OR
ECM2/Y2
ONLY
STAGE LED INDICATOR: ONE
SLOW FLASH AND ONE
SHORT PAUSE FOR SINGLE
STAGE OR EDA OPERATION
LED RPM INDICATOR:
EXAMPLE: (2−TON
UNIT) – 5 SLOW
FLASHES AND ONE
LONG PAUSE
DEMAND
ENDED
NO
YES
FAN MOTOR
RPM SET PER
JUMPER
SETTINGS
Figure 32. Fan Motor Control One Stage LED Sequence of Operation
TOP GRILLE OR FAN MOTOR MOUNT ADJUSTMENT FOR FAN CLEARANCE
Sometimes during shipping, either the fan motor mounting or top grille may become out of alignment. This may cause the fan
motor blade to not clear the orifice ring. If this situation occurs, simply adjust either or both the fan motor mount or top grille
positions to allow proper clearance. The top grille four fastener insertion points to the plastic top and motor mount locations are
larger than the fasteners used to secure the grille and fan motor mounts. Use the procedures provided in figure 33 to adjust for fan
clearance.
GRILLE MOUNTING
POINTS
GRILLE MOUNTING POINTS
FASTENER
INSERTION POINT
FAN MOTOR MOUNTING POINTS
PUSH
FORWARD
PUSH
FORWARD
The four mounting point holes that secure the top grille to the
plastic top are larger than the fasteners used to secure the grille.
this is also true for the four fasteners securing the fan motor to
the top grille. To provide more clearance, preform either or both
of the following procedures.
TOP GRILLE ADJUSTMENT
loosen the four grille mounting fasteners and push the grille
forward. tighten mounting hardware. if there is still insufficient
clearance proceed to Fan Motor Position Adjustment.
ORIFICE RING
FAN MOTOR POSITION ADJUSTMENT
Loosen the four fan motor grille mounting fasteners and push the
fan motor forward. tighten mounting hardware.
Figure 33. Fan Blade Clearance Adjustment