MAXA-MISER VR028A15M/H, Installation Instructions Manual

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Energy Recovery Wheel Maintenance
Eight pie-shaped ERW segments, are seated on stops
between the segment retainer which pivots on the wheel
rim and secured to the hub and rim of wheel. Annual
inspection of the self cleaning wheel is recommended.
With power disconnected, remove UERV access panels
(rear) and unplug [J150 and P150]
(Refer to wiring
diagrams in this instruction manual). Remove segment
and wash with water and/or mild detergent.
To install wheel segments follow steps A through E . See
Figure 14. Reverse procedure for segment removal.
A. Unlock two segment retainers (one on each side of the
selected segment opening.
B. With the embedded stiffener facing the motor side,
insert the nose of the segment between the hub plates.
C. Holding segment by the two outer corners, press the
segment towards the center of the wheel and inwards
against the spoke flanges. If hand pressure does not
fully seat the segment, insert the flat tip of a screw
driver between the wheel rim and outer corners of the
segment and apply downward force while guiding the
segment into place.
D. Close and latch each segment retainer under segment
retaining catch.
E. Slowly ro tate the wheel 180
o
. In stall the sec ond
seg ment op po site the first for coun ter bal ance. Ro tate
the two in stalled seg ment 90
o
to bal ance the wheel
while the third seg ment is in stalled. Ro tate the wheel
180
o
again to in stall the fourth seg ment. Re peat this
se quence with the re main ing four segments.
PAGE 6
B
C
A
D
E
D
HUB
SEGMENT
FIGURE 14
SPOKE
SEGMENT RETAINER CATCH
WHEEL RIM
SEGMENT RETAINER
Figure 13
FUSE BLOCK
MAXA-MI$ER
Ô
UNITARY ENERGY RECOVERY VENTILATOR
MODEL VR028A15M/H & VR028A25H (STATIONARY)
INSTALLATION
INSTRUCTIONS
035-19268-002-A-0709 / R28A-18YDW