RenewAire LE6XRTH, Installation, Operation & Maintenance Manual

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LE6XRT ERV
RENEWAIRE.COM
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
1.800.627.4499 4
TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION 2
UNIT INFORMATION 3
CONFIGURATION CODE FOR LE6XRT MODELS 6
LE6XRT SUBMITTAL SPECIFICATIONS 7
LE6XRT RTV/RTR DIMENSIONS 8
LE6XRT RTH/RTF DIMENSIONS 9
1.0 OVERVIEW 10
1.1 DESCRIPTION 10
1.2 FACTORY ASSEMBLY OF MODULES 10
1.3 MODELS 10
1.3.1 LE6XRTF 10
1.3.2 LE6XRTH 10
1.3.3 LE6XRTR 11
1.3.3 LE6XRTV 11
1.4 CURBS 11
2.0 COMPONENT DESCRIPTION 12
2.1 CABINET CONSTRUCTION 12
2.1.1 Cabinet Paint 12
2.1.2 Hoods 12
2.2 FAN MOTORS 12
2.3 FAN SPEED CONTROL 12
2.4 DAMPERS 12
2.5 ENTHALPIC CORE 12
2.6 FILTERS 12
2.6.1 Filter Monitors 12
2.7 CONTROLS 13
2.7.1 Integrated Microprocessor Controls 13
2.7.2 Variable Frequency Drive 14
2.8 OPTIONAL CONTROL ACCESSORIES 14
2.8.1 Carbon Dioxide Control 14
2.8.2 Digital Time Clock 14
2.8.3 Indoor Air Quality Sensor (IAQ) 15
2.8.4 Motion Occupancy Control 15
2.8.5 Smoke Detector 15
3.0 UNIT WEIGHTS 16
3.1 LE6XRT CORNER WEIGHTS 16
4.0 SHIPPING / RECEIVING / HANDLING 17
4.1 UNIT WEIGHTS / DIMENSIONS 17
4.1.1 Unit Dimensions and Weight 17
4.1.2 Shipping Dimensions and Weight 17
4.2 RECEIVING 17
4.3 RIGGING 17
4.4 HANDLING AND STORAGE 17
5.0 UNIT PLACEMENT 18
5.1 SOUND ATTENUATION OUTSIDE THE BUILDING 18
5.2 PLACEMENT CAUTIONS 18
5.3 SERVICE CLEARANCES 18
6.0 INSTALLATION 19
6.1 ASSEMBLY OF MODULES 19
6.2 DUCT CONNECTIONS 19
6.3 INDOOR SOUND ATTENUATION 19
6.4 ELECTRICAL CONNECTIONS 20
6.4.1 Factory-Recommended Electric Service Entry 20
6.5 WIRING SCHEMATICS 21
6.6 CONTROL CONNECTIONS 23
7.0 CONTROL CONTRACTOR INFORMATION 23
7.1 24 VAC CLASS II POWER SUPPLY 23
7.2 MOTOR PROTECTION 24
7.2.1 Units Equipped with Motor Starters 24
7.2.2 Units With Variable Frequency Drives (VFDs) 25
7.3 EXTERNAL CONTROL CONNECTIONS 25
7.3.1 Single 2 - Wire Control, Unpowered 25
7.3.2 Single 2 - Wire Control, Separate Power 26
7.3.3 Control Sending 24 VAC “ON” Signal 26
7.3.4 External Control Using ERV Power Supply 26
7.3.5 Control with 2 Non-Powered Relay Contacts 26
7.3.6 Control with 2 “ON” Signals, External Power 27
7.4 SEQUENCE OF OPERATION 27
8.0 PRE START-UP 29
8.1 VERIFY VOLTAGES 29
8.2 VERIFY TRANSFORMER WIRING 29
8.3 INSPECT FILTERS 29
8.4 INSPECT FOAM GASKETING 29
8.5 INSPECT MOTOR VIBRATION ISOLATORS 29
8.6 INSPECT BELTS AND VERIFY SHEAVE ALIGNMENT 29
8.7 INSPECT FAN 29
8.8 INSPECT AND CLEAN THE INTERIOR 29
8.9 INSPECT DUCTWORK CONNECTIONS 29
9.0 START-UP 30
9.1 VERIFY CORRECT FAN ROTATION DIRECTION 30
9.2 BASIC OPERATIONAL CHECK 30
9.2.1 Motor Starter Units 30
9.2.2 VFD Units 30
9.3 ADJUST MOTOR SHEAVES 31
10.0 MAINTENANCE 31
10.1 MAINTENANCE 24 HRS. AFTER START-UP 31
10.2 MAINTENANCE 30 DAYS AFTER START-UP 31
10.3 MAINTENANCE SCHEDULE 31
10.4 FILTERS 31
10.5 ELECTRIC MOTOR MAINTENANCE 32
10.5.1 Belt Tension 32
10.5.2 Sheave Condition 32
10.5.3 Motor Cleanliness 32
10.5.4 Motor Lubrication 32
10.6 PILLOW BLOCKS 35
10.7 ENTHALPIC CORE MAINTENANCE 36
10.7.1 Removal of Enthalpic Cores 36
10.7.2 Reinstallation of Enthalpic Cores 36
10.8 SERVICE PARTS 37
11.0 MAINTENANCE REFERENCE 38
11.1 PLENUM DIVIDERS 38
11.2 FAN / MOTOR REMOVAL 38
11.3 VIBRATION ISOLATOR ADJUSTMENT 38
11.4 RISK OF CORE DAMAGE 39
11.5 FILTER REPLACEMENT PRACTICES 39