EcoNet P16AZ24A - Table of Contents

Contents
2
CONTENTS
1.0 IMPORTANT SAFETY INFORMATION.......................................................3
2.0 GENERAL INFORMATION.....................................................................4-7
2.1 Introducon..........................................................................................4
2.2 Agency Performance Audit Tesng Noce...........................................4
2.3 Importance of a Quality Installaon.....................................................4
2.4 System Sizing and Selecon..................................................................4
2.5 Importance of Proper Indoor/Outdoor Match-Ups..............................5
2.6 Checking Product Received...................................................................5
2.7 Compressor Break-In Noce.................................................................5
3.0 UNIT SPECIFICATIONS.............................................................................5
3.1 Model Number Nomenclature and Available Models..........................6
3.2 Electrical and Physical Data ..................................................................7
4.0 INSTALLATION...................................................................................7-26
4.1 Tools & Refrigerant .............................................................................8
4.1.1 Tools Required for Installing & Servicing R-410A Models...........8
4.1.2 Specicaons of R-410A..............................................................8
4.1.3 Quick Reference Guide for R-410A..............................................8
4.2 Choosing a Locaon.............................................................................9
4.2.1 Allowable Clearances................................................................9
4.2.2 Operaonal Issues Related to Unit Locaon...............................9
4.2.3 Corrosive Environments............................................................10
4.2.4 Customer Sasfacon Issues......................................................10
4.3 Mounng Unit......................................................................................10
4.3.1 Unit-Mounng Methods ............................................................10
4.3.2 High Wind and Seismic Tie-Down Methods ................................10
4.3.3 Elevang Unit ...........................................................................11
4.4 Refrigerant Line Set Selecon............................................................12
4.4.1 Replacing Exisng Systems.......................................................12
4.4.2 Line Set Applicaon Consideraons.........................................12
4.4.2.1 Oil Return to Compressor ...........................................12
4.4.2.2 Refrigerant Migraon During O Cycle.......................12
4.4.2.3 Maximum Liquid Pressure Drop..................................12
4.4.2.4 Liquid Line Refrigerant Flashing..................................12
4.4.2.5 Compressor Oil Level Adjustment...............................13
4.4.2.6 Capacity Losses ...........................................................13
4.4.3 Line Set Length and Fing Losses ..........................................13
4.4.4 Liquid Line Selecon ...............................................................14
4.4.5 Vapor Line Selecon ...............................................................14
4.5 Line Set Installaon ...........................................................................17
4.5.1 Important Tubing Installaon Pracces...................................17
4.5.2 Relave Locaon of Indoor and Outdoor Units.......................18
4.5.2.1 Indoor and Outdoor Unit Near Same Level................18
4.5.2.2 Outdoor Unit Below Indoor Unit................................19
4.5.2.3 Outdoor Unit Above Indoor Unit ...............................20
4.5.3 Tubing Connecons ................................................................21
4.6 Inial Leak Tesng.............................................................................22
4.7 Evacuaon .........................................................................................22
4.8 Final Leak Tesng ..............................................................................23
4.9 Control Wiring ...................................................................................23
4.9.1 EcoNetTM Communicaons ......................................................23
4.9.2 EcoNetTM Control Center Installaon .......................................23
4.9.3 EcoNetTM Communicaon Wiring Connecons .......................23
4.9.4 Convenonal 24VAC Thermostat Control Wiring Connecons ....24
4.10 Power Wiring.....................................................................................25
4.11 Grounding..........................................................................................26
5.0 SYSTEM START-UP AND REFRIGERANT CHARGING...........................26-30
5.1 System Start-Up Overview....................................................................26
5.2 Inial Power Up and EcoNetTM Communicaon Vericaon.............26
5.3 EcoNetTM Control Center Set-Up ........................................................26
5.4 Inial System Set-Up .........................................................................27
5.5 Seng up Charging Mode Using EcoNet
TM
Control Center Service Menu...27
5.6 Seng up Charging Mode Using Variable Speed Outdoor Control Menu ...27
5.7 Indoor Air-Flow Vericaon ..............................................................28
5.8 Refrigerant Charging .........................................................................28
5.8.1 Measurement Device Set-Up ..................................................29
5.8.2 Preliminary Charging by Weight ..............................................29
5.8.3 Preliminary Charging by Pressures ..........................................29
5.8.4 Final Charging by Liquid Subcooling ........................................30
5.8.5 R-410A Temperature Pressure Chart .......................................30
5.9 Compleng Installaon .....................................................................30
6.0 NORMAL SEQUENCE OF OPERATION.................................................31-32
6.1 Cooling Mode.....................................................................................31
6.2 On-Demand Cooling Dehumidicaon..............................................31
6.3 Low Ambient Cooling Operaon .......................................................31
6.4 Supplemental Electric Heat During Heang Mode............................32
6.5 Dual Fuel Applicaons - Heang Mode..............................................32
6.6 Demand Defrost.................................................................................32
6.7 Sequence of Operaon for Convenonal 24VAC Thermostat Controls ......33
7.0 COMPONENTS AND CONTROLS......................................................34-35
7.1 EcoNetTM Variable Speed Outdoor Control (VSODC)..........................34
7.1.1 Board Features and Connecons .............................................34
7.1.2 Factory Superheat Seng ........................................................34
7.2 Power Inverter Compressor Control ..................................................35
8.0 ACTIVE SYSTEM PROTECTION FEATURES..........................................36-38
8.1 Minimum Run Timer ..........................................................................36
8.2 Oil Return Cycle ..................................................................................36
8.3 High Discharge Temperature ..............................................................36
8.4 High Discharge Pressure .....................................................................36
8.5 Low Sucon Pressure/Loss of Charge ................................................36
8.6 Compressor Shut-Down Sequence for High or Low Refrigerant Pres-
sure Fault..........................................................................................................37
8.7 Overcurrent and Current Imbalance ..................................................37
8.8 Compressor Operaon Outside Envelope .........................................37
8.9 Over and Under Voltage .....................................................................37
8.10 Inverter Over Temperature ................................................................37
8.11 Controls and Communicaon Malfuncon .......................................37
8.12 Sensor Failure Default Operaon .......................................................38
8.13 Exing Acve Protecon Lock-Out Mode ..........................................38
9.0 DIAGNOSTICS AND TROUBLESHOOTING.........................................40-50
9.1 Checking Transducers and Temperature Sensors ..............................41
9.2 General Troubleshoong Guide ........................................................43
9.3 Service Analyzer Charts ....................................................................44
9.4 Troubleshoong Tips .........................................................................50
10.0 OUTDOOR UNIT MAINTENANCE .........................................................51
10.1 Outdoor Coil Cleaning .....................................................................51
10.2 Cabinet Cleaning and Care ..............................................................51
10.3 Motor Lubricaon ...........................................................................51
10.4 Replacement Parts ..........................................................................51
11.0 WIRING DIAGRAM ..............................................................................51
12.0 APPENDIX ......................................................................................53-54
12.1 Agency Performance Audit Test Instrucons ....................................53