RenewAire EV450IN, Installation, Operation And Maintenance Manual

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1.800.627.4499 6
EV-Series Indoor
ERV
5.4 WIRING SCHEMATICS............................................18
5.5 EXTERNAL CONTROL CONNECTIONS .....................19
5.5.1 Single 2-Wire Control, Unpowered ..................................... 19
5.5.2 Control Sending 24 VAC “On” Signal ................................. 19
5.5.3 Control Operating on Unit’s 24 VAC Power Supply .............. 19
5.6 QUICK START........................................................20
6.0 OPERATION 20
6.1 PRINCIPLE OF OPERATION ....................................20
6.2 PRE-START-UP .....................................................20
6.2.1 Verify Voltages ..................................................................20
6.2.2 Verify Transformer Wiring .................................................20
6.2.3 Inspect Filters ..................................................................20
6.2.4 Inspect Foam Gasketing ....................................................20
6.2.5 Inspect Fans .....................................................................20
6.2.6 Inspect and Clean the Cabinet Interior ...............................20
6.2.7 Inspect Ductwork Connections ..........................................20
6.3 UNIT START-UP ....................................................21
6.3.1 Fixed Speed Units .............................................................21
6.4 MEASURING AIRFLOW ..........................................21
6.4.1 Filter Pressure Drop ..........................................................22
6.5 NORMAL OPERATION ............................................22
6.6 EXTREME COLD OPERATION .................................23
7.0 MAINTENANCE 23
7.1 MAINTENANCE 24 HRS. AFTER START-UP .............23
7.2 MAINTENANCE 30 DAYS AFTER START-UP .............23
7.3 MAINTENANCE SCHEDULE ....................................23
7.4 FILTERS ...............................................................23
7.5 FAN MOTOR ..........................................................24
7.6 ENTHALPIC CORE .................................................24
7.6.1 Enthalpic Core Maintenance ..............................................24
7.6.2 Enthalpic Core Removal ....................................................24
7.6.3 Enthalpic Core Rempacement ............................................ 24
7.7 MAINTENANCE RECORDS .....................................25
7.6 SERVICE PARTS ....................................................27
8.0 TROUBLESHOOTING 27
9.0 FACTORY ASSISTANCE 27
TABLE OF CONTENTS
1.0 OVERVIEW 8
1.1 DESCRIPTION .........................................................8
2.0 COMPNENT DESCRIPTIONS 8
2.1 CABINET ................................................................8
2.2 ENTHALPIC CORES .................................................8
2.3 FAN/MOTOR ASSEMBLY ..........................................9
2.4 E-BOX ....................................................................9
2.5 FILTERS .................................................................9
2.6 FACTORY INSTALLED OPTIONS ................................9
3.0 SHIPPING/RECEIVING/HANDLING 9
3.1 UNIT WEIGHTS AND DIMENSIONS ...........................9
3.1.1 Unit Dimensions and Weight ................................................9
3.1.2 Maximum Shipping Dimensions and Weight .........................9
3.2 RIGGING AND CENTER OF GRAVITY .......................10
3.2.1 EV450IN Hoisting Weights and COG ................................... 10
3.3 RECIEVING ...........................................................10
3.4 STORAGE .............................................................10
4.0 UNIT PLACEMENT 10
4.1 BEFORE YOU BEGIN ..............................................10
4.2 SERVICE CLEARANCES .........................................11
4.3 SOUND ATTENUATION ...........................................11
4.3.1 Outside the Building .......................................................... 11
4.3.2 Ducts ............................................................................... 11
4.3.3 Radiated Noise ................................................................. 11
4.3.4 Aerodynamic (Velocity) Noise ............................................ 11
5.0 INSTALLATION 12
5.1 DUCTWORK ..........................................................12
5.1.1 Ducts to the Outside .......................................................... 12
5.1.2 Using Flex Duct to Connect EV450IN to Outside ................. 12
5.1.3 Inside Ductwork System .................................................... 13
5.1.3.1 Connecting to an Existing Air-Circulation System ............ 13
5.1.4 Ducting Fresh Air Directly into Space ................................. 13
5.2 INSTALLING THE UNIT ...........................................13
5.3 ELECTRICAL REQUIREMENTS ................................16
5.3.1 Electronically Commutated Motors .................................... 16
5.3.2 Low Voltage Control System ............................................. 16
5.3.3 How to Reset the 24 VAC Circuit Breaker ........................... 17
5.3.4 Limits of Power Output ..................................................... 17