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OPERATION & MAINTENANCE
MANUAL
AIRXCHANGE ENERGY RECOVERY WHEELS
SERIES ERC-19 THROUGH ERC-125
Страница 1: ...1 OPERATION MAINTENANCE MANUAL AIRXCHANGE ENERGY RECOVERY WHEELS SERIES ERC 19 THROUGH ERC 125 ...
Страница 2: ...ENTATIVE MAINTENANCE INSPECTION CHECKLIST CLEANING AIRXCHANGE SEGMENTS SEGMENT REMOVAL INSTALLATION 19 TO 25 INCH MONOLITHIC WHEEL 25 TO 30 INCH SEGMENTED WHEEL 36 TO 86 INCH SEGMENTED WHEEL 92 TO 125 INCH SEGMENTED WHEEL RECORD PRODUCT INFORMATION FOR REFERENCE SAFETY ELECTRICAL SAFETY SAFETY AROUND METAL AND MOVING PARTS 2 3 3 5 6 6 8 9 9 10 12 13 14 16 18 20 ...
Страница 3: ...steel wheel which then rotates within a galvanized met al cassette frame The segmentation allows the transfer media to be easily removed for cleaning or replacement Figure 2 Airxchange structural metal wheel and frame assembly with removable polymer segments MOISTURE TRANSFER Depending on the application the energy recovery media may include a desiccant Desiccants trans fer water molecules between...
Страница 4: ...ver Plate Diameter Seals are behind Bearing Beam on both sides 7 Adjustable Purge 8 Motor IDENTIFY CASSETTES WITH SERIAL NUMBER All Airxchange wheels are labeled with Model Serial and Part numbers The label can be found on the sheet metal adjacent to the drive pulley Figure 5 You should always have a serial number when contacting Airxchange for product support or when ordering replacement parts Se...
Страница 5: ... Airxchange cassettes Supporting Documents View our library of support and maintenance documents Contact information for the Airxchange Service De partment IDENTIFY REPLACEMENT PARTS To identify the exact replacement part for any wheel contact Airxchange with the wheel serial number or en ter the serial number into the Airxchange Parts Lookup tool on the Product Support Website Airxchange offers r...
Страница 6: ...a at multiple locations on bothsidesofthebearingasyourotatethewheelslowlyby hand clockwisewhenviewedfromthepulleyside Verify thatthemediaslightlygrabsthepaperduringtherotation If necessary loosen adjusting screws along the bearing beam and reset seal to a slight in terference fit with the wheel media Figure 7 Figure 7 Setting diameter seals SET PURGE ANGLE IF NECESSARY The purge sector is an optio...
Страница 7: ...tance from the media surface Tighten the screws and re test the seal Figure 10 Check purge seal and adjust if necessary INSPECTION Before starting the system confirm the following Wheel spins freely by hand in a clockwise direction with no interference noise Wheel is not racked wheel rotates parallel to bear ing beams Belt tracks near middle of rim not against rim sup port Belt is not flipped on a...
Страница 8: ...near the center of the rim No excessive noise scraping brushing banging etc Running amps do not exceed nameplate Full Load Amperes FLA CONFIGURING WHEEL CONTROLS Airxchange does not offer any direct speed controls for the wheel To confirm that wheel speed is responding to the field supplied speed control consult the energy recovery wheel portion of the original equipment manufacturer OEM operating...
Страница 9: ...ergy transfer segments and seals are all in good working order Rou tine maintenance is not required other than to clean the energy transfer media periodically on a schedule that is determined by the application see next page for details Table 1 lists inspection steps for Airxchange wheels Table 1 Recommended inspection checklist for Airx change wheels ...
Страница 10: ...sed on ASHRAE s Classes of Air categories Table 2 Actual cleaning frequency should ultimately be de termined based on the results of the annual inspection Table 3 Recommended cleaning frequency based on class of air NOTE When applied to smoking or industrial envi ronments with visible airborne contaminants Airx change recommends inspection and cleaning once or twice per year to maintain optimal pe...
Страница 11: ...bearing After soaking rinse the segments until the water runs clear and then allow excess water to drain prior to re installing the segments A small amount of mois ture on the media will be dried out by the airflow Another option is to run water from a hose through the removed media while brushing though this method is not as effective as the overnight soak ABOUT DISCOLORATION Once clean media seg...
Страница 12: ...o 30 Inch Segmented Wheel beginning on page 14 Medium Segmented 36 inch to 86 inch 6 or 8 seg ments see 36 to 86 inch Segmented Wheel begin ning on page 16 Large Segmented with Satellites 92 inch to 125 inch 8 inner segments and 8 satellite segments see 92 to 125 inch Segmented Wheel beginning on page 18 INSTRUCTIONAL VIDEOS Step by step instructional videos for these procedures are available See ...
Страница 13: ...side and check operation 11 Replace frame in cabinet and apply power to system 12 Observe the wheel operating under power Figure 13 Remove center screw and wheel from frame SERIES 25 REMOVAL AND INSTALLATION 1 Disconnect power to the wheel 2 If possible remove wheel frame from cabinet 3 From the pulley side remove the wheel retaining bolt and washer from the end of the shaft Figure 14 Figure 14 Re...
Страница 14: ...l rim and then remove both straps Figure 16 Figure 15 Remove or install opposing segments to mini mize wheel imbalance Figure 16 Remove retainer straps 5 Use hand pressure from the motor side to remove segment from the spokes while supporting front with your other hand segment slides straight out Figure 17 If necessary use a flathead screwdriver or pry bar at the top corner of the segment Be caref...
Страница 15: ...the segment with the embedded stiffener must face the motor side of the wheel Figure 18 3 Install the flexible retaining straps by inserting the ends under the hub plate and then into the slot on the rim at the end of the spoke Figure 16 4 Confirm that segments and straps are firmly retained in the wheel structure before applying power to the wheel Figure 18 Embedded stiffener faces motor side ...
Страница 16: ...re 20 Release retaining latches following steps 1 and 2 in diagram 5 For ERC 81 and ERC 86 use a 3 16 inch Allen wrench to remove the nose bolt securing the segment to the hub plate Figure 21 Figure 21 Nose entering hub plate ERC 81 86 ONLY includes a screw 6 Remove segment by sliding outer portion of segment out first before disengaging the nose Figure 21 A flathead screwdriver may be used to aid...
Страница 17: ...r portion of segment in to wheel frame If you are installing an ERC 81 or ERC 86 use a 3 16 inch Allen wrench and the nose bolt to secure the segment to the hub 4 Close the retaining latches on outer corners of segment to secure the segment inside the wheel Figure 20 5 Rotate first segment 180 degrees and install the opposing segment to re balance the wheel Figure 19 6 Repeat until all of the rema...
Страница 18: ...retaining latches following steps 1 and 2 in diagram 5 Remove and set aside the bar latches on each side of the satellite segment Figure 24 6 Remove satellite segment by sliding top end of segment out before the bottom Figure 24 A flathead Screwdriver may be used in the corners to aid in removal 7 Close the retaining latches Figure 24 4 Use a flathead screwdriver to unlock and open the two segment...
Страница 19: ...lt from segment nose bracket Figure 25 3 Center and rest segment on lower spoke Slide inner segment along spokes until nose bracket contacts stop in hub plate Figure 25 4 Insert nose bolt and tighten until bolt is firmly seated Figure 25 5 Install the corresponding satellite segment by placing the bottom end into position first then the top end Figure 24 6 Press straight in against all four corner...
Страница 20: ...16 airxchange com upgrade to airxchange Table 4 Record product information for use when ordering replacement parts and planning maintenance schedules Use Table 4 below to record useful information about Airxchange Energy Recovery Wheels RECORD PRODUCT INFORMATION FOR REFERENCE ...
