RenewAire LE10XIN, Installation, Operation & Maintenance Manual

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LE10XIN 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 LE10XIN MODELS 6
LE10XINH SUBMITTAL SPECIFICATIONS 7
LE10XINH DIMENSIONS 8
LE10XINV SUBMITTAL SPECIFICATIONS 9
LE10XINV DIMENSIONS 10
1.0 OVERVIEW 11
1.1 DESCRIPTION 11
1.2 FACTORY ASSEMBLY OF MODULES 11
1.3 MODELS 11
1.3.1 LE10XINH 11
1.3.2 LE10XINV 12
2.0 COMPONENT DESCRIPTION 13
2.1 CABINET CONSTRUCTION 13
2.1.1 Cabinet Paint 13
2.2 FAN MOTORS 13
2.3 FAN SPEED CONTROL 13
2.4 DAMPERS 13
2.5 ENTHALPIC CORE 13
2.6 FILTERS 13
2.6.1 Filter Monitors 13
2.7 CONTROLS 14
2.7.1 Integrated Microprocessor Controls 14
2.7.2 Variable Frequency Drive 15
2.8 OPTIONAL CONTROL ACCESSORIES 15
2.8.1 Carbon Dioxide Control 15
2.8.2 Digital Time Clock 15
2.8.3 Indoor Air Quality Sensor (IAQ) 16
2.8.4 Motion Occupancy Control 16
2.8.5 Smoke Detector 16
3.0 UNIT WEIGHTS 17
3.1 LE10XINH CORNER WEIGHTS 17
3.2 LE10XINV CORNER WEIGHTS 17
4.0 SHIPPING / RECEIVING / HANDLING 18
4.1 UNIT WEIGHTS / DIMENSIONS 18
4.1.1 Unit Dimensions and Weight 18
4.1.2 Shipping Dimensions and Weight 18
4.2 RECEIVING 18
4.3 RIGGING 18
4.4 HANDLING AND STORAGE 18
5.0 UNIT PLACEMENT 19
5.1 SOUND ATTENUATION OUTSIDE THE BUILDING 19
5.2 PLACEMENT CAUTIONS 19
5.3 SERVICE CLEARANCES 19
6.0 INSTALLATION 20
6.1 ASSEMBLY OF MODULES 20
6.2 DUCT CONNECTIONS 20
6.3 INDOOR SOUND ATTENUATION 20
6.4 ELECTRICAL CONNECTIONS 21
6.4.1 Factory-Recommended Electric Service Entry 21
6.5 WIRING SCHEMATICS 22
6.6 CONTROL CONNECTIONS 24
7.0 CONTROL CONTRACTOR INFORMATION 24
7.1 24 VAC CLASS II POWER SUPPLY 24
7.2 MOTOR PROTECTION 25
7.2.1 Units Equipped with Motor Starters 25
7.2.2 Units With Variable Frequency Drives (VFDs) 26
7.3 EXTERNAL CONTROL CONNECTIONS 26
7.3.1 Single 2 - Wire Control, Unpowered 26
7.3.2 Single 2 - Wire Control, Separate Power 27
7.3.3 Control Sending 24 VAC “ON” Signal 27
7.3.4 External Control Using ERV Power Supply 27
7.3.5 Control with 2 Non-Powered Relay Contacts 27
7.3.6 Control with 2 “ON” Signals, External Power 28
7.4 SEQUENCE OF OPERATION 28
8.0 PRE START-UP 30
8.1 VERIFY VOLTAGES 30
8.2 VERIFY TRANSFORMER WIRING 30
8.3 INSPECT FILTERS 30
8.4 INSPECT FOAM GASKETING 30
8.5 INSPECT MOTOR VIBRATION ISOLATORS 30
8.6 INSPECT BELTS AND VERIFY SHEAVE ALIGNMENT 30
8.7 INSPECT FAN 30
8.8 INSPECT AND CLEAN THE INTERIOR 30
8.9 INSPECT DUCTWORK CONNECTIONS 30
9.0 START-UP 31
9.1 VERIFY CORRECT FAN ROTATION DIRECTION 31
9.2 BASIC OPERATIONAL CHECK 31
9.2.1 Motor Starter Units 31
9.2.2 VFD Units 31
9.3 ADJUST MOTOR SHEAVES 32
10.0 MAINTENANCE 32
10.1 MAINTENANCE 24 HRS. AFTER START-UP 32
10.2 MAINTENANCE 30 DAYS AFTER START-UP 32
10.3 MAINTENANCE SCHEDULE 32
10.4 FILTERS 32
10.5 ELECTRIC MOTOR MAINTENANCE 33
10.5.1 Belt Tension 33
10.5.2 Sheave Condition 33
10.5.3 Motor Cleanliness 33
10.5.4 Motor Lubrication 33
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
11.6 DOOR LATCH ADJUSTMENT 40
11.7 MEASURING AIRFLOW 40
11.8 SHEAVE ADJUSTMENT 41