Rheem P17 Series User Manual

2
CONTENTS
1.0 IMPORTANT SAFETY INFORMATION.......................................................3
2.0 GENERAL INFORMATION.....................................................................4-5
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..........................................................................5-6
3.1 Model Number Nomenclature and Available Models..........................5
3.2 Electrical and Physical Data ..................................................................6
4.0 INSTALLATION...................................................................................7-25
4.1 Tools & Refrigerant .............................................................................7
4.1.1 Tools Required for Installing & Servicing R-410A Models...........7
4.1.2 Specicaons of R-410A..............................................................7
4.1.3 Quick Reference Guide for R-410A..............................................7
4.2 Choosing a Locaon.............................................................................8
4.2.1 Allowable Clearances..................................................................8
4.2.2 Operaonal Issues Related to Unit Locaon...............................8
4.2.3 Corrosive Environments..............................................................9
4.2.4 Customer Sasfacon Issues.......................................................9
4.3 Mounng Unit......................................................................................9
4.3.1 Unit-Mounng Methods ............................................................9
4.3.2 High Wind and Seismic Tie-Down Methods ................................9
4.3.3 Elevang Unit ...........................................................................10
4.3.4 Ground Snow Depth Table .......................................................10
4.4 Refrigerant Line Set Selecon............................................................11
4.4.1 Replacing Exisng Systems.......................................................11
4.4.2 Line Set Applicaon Consideraons.........................................11
4.4.2.1 Oil Return to Compressor ...........................................11
4.4.2.2 Refrigerant Migraon During O Cycle.......................11
4.4.2.3 Maximum Liquid Pressure Drop..................................11
4.4.2.4 Liquid Line Refrigerant Flashing..................................11
4.4.2.5 Compressor Oil Level Adjustment...............................12
4.4.2.6 Capacity Losses ...........................................................12
4.4.3 Line Set Length and Fing Losses ..........................................12
4.4.4 Liquid Line Selecon ...............................................................13
4.4.5 Vapor Line Selecon ...............................................................13
4.5 Line Set Installaon ...........................................................................16
4.5.1 Important Tubing Installaon Pracces...................................16
4.5.2 Relave Locaon of Indoor and Outdoor Units.......................17
4.5.2.1 Indoor and Outdoor Unit Near Same Level................17
4.5.2.2 Outdoor Unit Below Indoor Unit................................18
4.5.2.3 Outdoor Unit Above Indoor Unit ...............................19
4.5.3 Tubing Connecons ................................................................20
4.6 Inial Leak Tesng.............................................................................21
4.7 Evacuaon .........................................................................................21
4.8 Final Leak Tesng ..............................................................................22
4.9 Control Wiring ...................................................................................22
4.9.1 EcoNet
TM
Communicaons ......................................................22
4.9.2 EcoNet
TM
Control Center Installaon .......................................22
4.9.3 EcoNet
TM
Communicaon Wiring Connecons .......................22
4.9.4 Convenonal 24VAC Thermostat Control Wiring Connecons ........23
4.10 Power Wiring.....................................................................................24
4.11 Grounding..........................................................................................25
5.0 SYSTEM START-UP AND REFRIGERANT CHARGING...........................25-29
5.1 System Start-Up Overview.................................................................25
5.2 Inial Power Up and EcoNet
TM
Communicaon Vericaon.............25
5.3 EcoNet
TM
Control Center Set-Up ........................................................25
5.4 Inial System Set-Up .........................................................................25
5.5 Seng up Charging Mode Using EcoNet
TM
Control Center Service Menu .........26
5.6 Seng up Charging Mode Using Variable Speed Outdoor Control Menu ....26
5.7 Indoor Air-Flow Vericaon ..............................................................27
5.8 Refrigerant Charging .........................................................................27
5.8.1 Measurement Device Set-Up ..................................................28
5.8.2 Preliminary Charging by Weight ..............................................28
5.8.3 Preliminary Charging by Pressures ..........................................28
5.8.4 Final Charging by Liquid Subcooling ........................................29
5.8.5 R-410A Temperature Pressure Chart .......................................29
5.9 Compleng Installaon .....................................................................29
6.0 NORMAL SEQUENCE OF OPERATION..................................................30-32
6.1 Cooling Mode.....................................................................................30
6.2 On-Demand Cooling Dehumidicaon..............................................30
6.3 Low Ambient Cooling Operaon .......................................................30
6.4 Heang Mode.....................................................................................30
6.5 Supplemental Electric Heat During Heang Mode............................31
6.6 Dual Fuel Applicaons - Heang Mode..............................................31
6.7 Demand Defrost.................................................................................31
6.8 Sequence of Operaon for Convenonal 24VAC Thermostat Controls ...........32
7.0 COMPONENTS AND CONTROLS......................................................33-39
7.1 Accumulator.......................................................................................33
7.2 Choke/Inductor .................................................................................33
7.3 Coil Temperature Thermistor.............................................................33
7.4 Compressor .......................................................................................33
7.5 Compressor Sump Thermistor ..........................................................33
7.6 Discharge Line Thermistor ................................................................33
7.7 EcoNet
TM
Variable Speed Outdoor Control (VSODC)..........................34
7.7.1 Board Features and Connecons .............................................34
7.7.2 TEST & SW2 Buons ................................................................35
7.7.3 Memory Card ...........................................................................35
7.7.4 Factory Superheat Seng ........................................................35
7.7.5 Superheat Oset DIP Switch Sengs .......................................35
7.7.6 Defrost Terminaon Temperature DIP Switched ......................35
7.7.7 Menu Structure .........................................................................36
7.7.8 Replacement of the VSODC .......................................................36
7.8 Electronic Expansion Valve .................................................................37
7.9 Filter & Ferrite Rings ...........................................................................37
7.10 High Pressure Control .........................................................................38
7.11 Outdoor Ambient Temperature Thermistor ......................................38
7.12 Outdoor Fan Motor ............................................................................38
7.13 Outdoor Fan Blade .............................................................................38
7.14 Power Inverter Compressor Control ..................................................38
7.15 Sucon Pressure Transducer ..............................................................39
7.16 Sucon Temperature Thermistor .......................................................39
8.0 ACTIVE SYSTEM PROTECTION FEATURES..........................................40-42
8.1 Minimum Run Timer ..........................................................................40
8.2 Oil Return Cycle ..................................................................................40
8.3 Oil Diluon .........................................................................................40
8.4 O-Cycle Refrigerant Migraon – Stator Heat ..................................40
8.5 High Discharge Temperature ..............................................................40
8.6 High Discharge Pressure .....................................................................40
8.7 Low Sucon Pressure/Loss of Charge ................................................41
8.8 Compressor Shut-Down Sequence for High or Low Refrigerant Pressure Fault ...41
8.9 Over current and Current Imbalance ..................................................41
8.10 Compressor Operaon Outside Envelope .........................................41
8.11 Over and Under Voltage .....................................................................42
8.12 Inverter Over Temperature ................................................................42
8.13 Controls and Communicaon Malfuncon .......................................42
8.14 Sensor Failure Default Operaon .......................................................42
8.15 Exing Acve Protecon Lock-Out Mode ..........................................42
9.0 DIAGNOSTICS AND TROUBLESHOOTING.........................................43-72
9.1 Fault Recall Procedure .......................................................................43
9.2 Compressor/Fan Motor Test Mode ...................................................43
9.3 Defrost Test Mode ..............................................................................43
9.4 Status and Diagnosc Codes ..............................................................44
9.5 Acve Protecon Fault Details ..........................................................52
9.6 Electrical Checks Flowchart ...............................................................59
9.7 Cooling Mechanical Checks Flowchart .............................................60
9.8 Heang Mechanical Checks Flowchart .............................................61
9.9 Defrost Mechanical Checks Flowchart ..............................................62
9.10 Checking Transducers and Temperature Sensors ..............................63
9.11 General Troubleshoong Guide ........................................................65
9.12 Service Analyzer Charts ....................................................................66
9.13 Troubleshoong Tips .........................................................................72
10.0 OUTDOOR UNIT MAINTENANCE .........................................................73
10.1 Outdoor Coil Cleaning .....................................................................73
10.2 Cabinet Cleaning and Care ..............................................................73
10.3 Motor Lubricaon ...........................................................................73
10.4 Replacement Parts ..........................................................................73
11.0 WIRING DIAGRAM ..............................................................................74
12.0 APPENDIX ......................................................................................75-76
12.1 Agency Performance Audit Test Instrucons ....................................75
Contents

Rheem P17 Series Specifications

General

Brand	Rheem
Model	P17 Series
Category	Heat Pump
Language	English