Summary of Contents for AIRXCHANGE ERC-19 Series
- Page 1 OPERATION & MAINTENANCE MANUAL AIRXCHANGE ENERGY RECOVERY WHEELS SERIES ERC-19 THROUGH ERC-125...
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY PRODUCT OVERVIEW ABOUT AIRXCHANGE ENERGY RECOVERY WHEELS SERVICE TOOLS OPERATING INSTRUCTIONS PRE-STARTUP POST-STARTUP ROUTINE AND PREVENTATIVE 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... -
Page 3: Product Overview
ABOUT AIRXCHANGE ENERGY RECOVERY WHEELS Unless noted, the information in this manual applies to all available models of Airxchange energy recovery wheels. Energy recovery wheels rotate between the incoming outdoor air stream and the building exhaust air stream. As the wheel rotates, it transfers a percentage of the heat and moisture differential from one air stream to the other. - Page 4 NUMBER For an Illustrated Parts Breakdown of a particular wheel, enter the serial number into the Parts Look- All Airxchange wheels are labeled with Model, Serial, up tool at www.airxchange.com/replacement-parts/. and Part numbers. The label can be found on the sheet metal adjacent to the drive pulley, Figure 5.
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Page 5: Service Tools
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 replacement parts for the following... -
Page 6: Operating Instructions
• On 3-phase motors, if the wheel does not rotate The purge sector is an option available on channeled clockwise (when viewed from pulley side), shut off pow- matrix Airxchange wheels, Figure 8. A “P” in the er to the system and interchange any two power supply model number designates that the wheel includes a leads to reverse rotation. - Page 7 INSPECTION Before starting the system, confirm the following: Figure 9 Setting purge angle. • Wheel spins freely by hand in a clockwise direction, (3) Tighten the purge adjusting screws. with no interference noise. (4) Turn the wheel by hand clockwise (when viewed •...
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Page 8: Post-Startup
• 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 manual. -
Page 9: Routine And Preventative Maintenance
ROUTINE AND PREVENTATIVE MEASURE INSPECTION CHECKLIST Airxchange recommends inspecting the wheel once per year to verify that the wheel, motor, belt, energy 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). -
Page 10: Cleaning Airxchange Segments
CLEANING AIRXCHANGE SEGMENTS DETERMINE CLEANING FREQUENCY All Airxchange wheels 25-inches in diameter and larg- er feature segmented energy transfer segments for Airxchange offers the following general guidelines for easy removal and cleanings - per the application re- removal and cleaning of the energy transfer media, Table quirements. - Page 11 To clean media surfaces that have a buildup of con- sheet. The non-acid based coil cleaner is not corrosive taminants, Airxchange recommends soaking the seg- to the polymer media or polyethylene sheet. ment overnight to effectively remove all contaminants and restore the heat/moisture transfer performance.
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Page 12: Segment Removal/Installation
92 to 125-inch Segmented Wheel beginning on page INSTRUCTIONAL VIDEOS Step by step instructional videos for these procedures are available. See Service Tools beginning on page 5 for details or visit www.airxchange.com/replacement-parts/. Figure 11 A sample collection of the available wheels from Airxchange. -
Page 13: To 25-Inch Monolithic Wheel
19 TO 25-INCH MONOLITHIC WHEEL Complete the following procedures to remove and 11) Replace frame in cabinet and apply power to system. install a 19 to 25-inch monolithic segment. 12) Observe the wheel operating under power. TOOLS • Phillips screwdriver Figure 13 Remove center screw and wheel from frame. -
Page 14: To 30-Inch Segmented Wheel
25 TO 30-INCH SEGMENTED WHEEL 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 If necessary, use a flathead screwdriver or pry-bar at Figure 15 Remove or install opposing segments to mini- the top corner of the segment. - Page 15 INSTALLATION 1) Ensure that power is disconnected from wheel. 2) From the pulley side, install each of the four segments by sliding them straight into the wheel opening, Figure NOTE: The face of the segment with the embedded stiffener must face the motor side of the wheel, Figure Figure 18 Embedded stiffener faces motor side.
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Page 16: To 86-Inch Segmented Wheel
36 TO 86-INCH SEGMENTED WHEEL Figure 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 Figure 15 Remove or install opposing segments to mini- mize wheel imbalance. - Page 17 INSTALLATION 1) Ensure that power is disconnected from wheel. 2) Begin by positioning one empty segment bay at the top of the wheel and opening the two retaining latches, Figure NOTE: The face of the segment with the embedded stiffener must face the motor side of the wheel, Figure Figure 22...
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Page 18: To 125-Inch Segmented Wheel
92 TO 125-INCH SEGMENTED WHEEL 4) Use a flathead screwdriver to unlock and open the two segment retaining latches at the top corners of the satellite segment, Figure 24. BE CAREFUL NOT TO BEND SEGMENT FRAME OR WHEEL RIM. Figure 20 Release retaining latches following steps 1 and 2 in diagram. - Page 19 8) To remove the inner segment, support segment with one hand while removing 1/4-20 flat head nose INSTALL SEGMENTS bolt in the hub with a 5/32-inch Allen wrench, Figure 25. WARNING: AS SOON AS THE NOSE BOLT 1) Move the empty bay to the top of the wheel. IS REMOVED, THE SEGMENT IS NO LONGER 2) Remove ¼...
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Page 20: Record Product Information For Reference
RECORD PRODUCT INFORMATION FOR REFERENCE Table 4 below to record useful information about Airxchange Energy Recovery Wheels. Table 4 Record product information for use when ordering replacement parts and planning maintenance schedules. airxchange.com/upgrade-to-airxchange contact_us@airxchange.com | 85 Longwater Drive Rockland, MA 02370...
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