Daikin DZ17VSA481AA User Manual

INSTALLATION INSTRUCTIONS
HEAT PUMP
DZ17VSA HEAT PUMP
INSTALLATION & SERVICE REFERENCE
Index
Important Safety InStructIonS ............................................. 1
ShIppIng InSpectIon .............................................................. 2
codeS & regulatIonS .......................................................... 2
featureS.............................................................................. 2
acceSSorIeS ........................................................................ 2
Before InStallatIon .............................................................2
precautIonS for SelectIng a locatIon ................................. 3
precautIonS for InStallatIon ............................................... 3
InStallatIon clearanceS ......................................................4
cold clImate heat pump operatIon locatIon ...................... 5
rooftop InStallatIonS .........................................................5
electrIcal noISe ................................................................. 5
Safety conSIderatIonS......................................................... 6
meanIngS of SymBolS .......................................................... 6
refrIgerant lIneS ............................................................... 8
refrIgerant lIne connectIonS ........................................... 10
leak teStIng (nItrogen or nItrogen-traced) .................... 10
Stop ValVe operatIon method ........................................... 11
SyStem Start-up procedure .............................................. 11
Start-up procedure detaIl ................................................ 12
electrIcal connectIonS ....................................................12
Step 1. calculate refrIgerant charge BaSed on
lIne Set length .......................................................... 16
Step 2. connect heat pump to SyStem .............................. 18
Step 3. SyStem Start-up teSt ............................................ 18
addItIonal charge adjuStIng procedure .......................... 18
Step 4. adjuSt refrIgerant leVel ..................................... 18
Step 5. meaSure SuBcoolIng to VerIfy proper charge ..... 18
heat pump wIth outdoor temperature lockoutS ............... 19
wIrIng dIagram ................................................................ 20
teStIng capacItor reSIStance ............................................22
coolIng analySIS chart .................................................... 24
heatIng analySIS chart ..................................................... 25
trouBleShootIng ...............................................................26
SettIng the mode dISplay .................................................. 31
7-Segment dISplay ............................................................. 37
heat pump homeowner’S routIne maIntenance
recommendatIonS ........................................................ 40
Start up checklISt ........................................................... 41
ctk04 addendum ............................................................... 43
Important Safety InStructIonS
The following symbols and labels are used throughout this
manual to indicate immediate or potential safety hazards. It is
the owner’s and installer’s responsibility to read and comply
with all safety information and instructions accompanying
these symbols. Failure to heed safety information increases
the risk of personal injury, property damage, and/or product
damage. Also see “Meanings of Symbols” on page 6.
WARNING
HIGH VOLTAGE !
dISconnect all power Before SerVIcIng.
multIple power SourceS may Be preSent. faIlure
to do So may cauSe property damage, perSonal
Injury or death.
WARNING
only perSonnel that haVe Been traIned to InStall, adjuSt, Ser-
VIce or repaIr (hereInafter, “SerVIce”) the equIpment SpecIfIed
In thIS manual Should SerVIce the equIpment. the manufacturer
wIll not Be reSponSIBle for any Injury or property damage arIS-
Ing from Improper SerVIce or SerVIce procedureS. If you SerVIce
thIS unIt, you aSSume reSponSIBIlIty for any Injury or property
damage whIch may reSult. In addItIon, In jurISdIctIonS that re-
quIre one or more lIcenSeS to SerVIce the equIpment SpecIfIed In
thIS manual, only lIcenSed perSonnel Should SerVIce the equIp-
ment. Improper InStallatIon, adjuStment, SerVIcIng or repaIr of
the equIpment SpecIfIed In thIS manual, or attemptIng to InStall,
adjuSt, SerVIce or repaIr the equIpment SpecIfIed In thIS manual
wIthout proper traInIng may reSult In product damage, property
damage, perSonal Injury or death.
prop 65 warnIng
for calIfornIa conSumerS
WARNING
-
www.P65Warnings.ca.gov
CAUTION
do not waSh the heat pump wIth exceSSIVe water. an electrIc
Shock or fIre could reSult.
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Our continuing commitment to quality products may mean a change in specications without notice.
© 2013, 2017-2019
Daikin Texas Technology Park,19001 Kermier Road,Waller, TX, 77484, U.S.A.
www.daikincomfort.com
3P515859-3P

Daikin DZ17VSA481AA Specifications

General

Brand	Daikin
Model	DZ17VSA481AA
Category	Heat Pump
Language	English

Summary

Important Safety Instructions

High Voltage Warning

Warning about high voltage and disconnecting power before servicing.

Personnel Training Requirement

Only trained personnel should service the equipment; manufacturer not responsible for improper service.

Installation Precautions

Installation Grounding

Guidelines for securing the unit to the foundation and ensuring stability.

Location Selection Criteria

Installation Clearances

Safety and Refrigerant Handling

General Safety Considerations

General safety precautions for heat pump installation and operation.

Refrigerant Handling Warnings

Critical warnings about handling refrigerants, including purging, contact, and flammability.

Service Cylinder Safety

Safety requirements for using returnable service cylinders for refrigerant removal.

Refrigerant Cylinder Explosion Prevention

Precautions to prevent explosion when handling refrigerant cylinders, including heating and filling limits.

Refrigerant and Electrical Safety

R410A Refrigerant Cautions

Grounding and Wiring Safety Warnings

Warnings about proper grounding, electrical work, and using specified parts to prevent hazards.

Line Set and Safety Precautions

Refrigerant Line Handling

Refrigerant Line Installation Details

Detailed guidance on installing refrigerant lines, including insulation and diameter selection.

Refrigerant Line Connections and Leak Testing

Refrigerant Line Connection Procedures

Detailed steps and precautions for brazing refrigerant lines and installing components.

Nitrogen Leak Testing Procedure

Procedures and safety warnings for leak testing the refrigerant system using nitrogen.

Leak Testing Safety Warnings

Critical warnings against using oxygen or flammable gases and requirements for pressure regulators.

Stop Valve Operation and System Start-Up

Stop Valve Operation Method

Step-by-step instructions for opening and closing the stop valves.

System Start-Up Procedure Notes

General notes and notices before initiating the system start-up process.

System Start-Up and Electrical Connections

Detailed Start-Up Procedure

Step-by-step guide for evacuating the system and preparing for start-up.

Refrigerant Pressure Warnings

Warnings about refrigerant overcharging, operating in a vacuum, and potential hazards.

Compressor Operation Caution

Caution against operating the compressor with a closed suction valve, which can cause damage.

Electrical Connection Safety

Safety warnings and guidelines for making electrical connections.

Grounding Requirements

High Voltage Wiring Procedures

High Voltage Connections

Procedures for routing and terminating high voltage power and ground wires.

Wire Connection Precautions

Precautions for connecting wires to the terminal block, including using correct terminals and torque.

Low Voltage and Communication Wiring

Low Voltage Connections

Instructions for connecting low voltage communication wires for the communicating system.

Communication Wiring Details

CTK04 Thermostat Installation Notice

Important Installer Notice

Critical notices for installers regarding CTK04 thermostat installation and heat pump connections.

Step 1: Calculate Refrigerant Charge

System Connection and Start-Up Procedures

Connect Heat Pump to System

Instructions for connecting the heat pump to the system, emphasizing opening the liquid valve first.

Liquid Valve First Opening Caution

System Start-Up Test Reference

Reference to Daikin One+ website for detailed start-up procedures.

Adjust Refrigerant Level Procedure

Guide to adding or recovering refrigerant to meet calculated levels.

Measure Subcooling for Charge Verification

Procedure for measuring subcooling to verify the refrigerant charge level.

Wiring Diagram and Capacitor Testing

Wiring Diagram (1.5-3.0 ton)

Visual representation of the electrical wiring for the heat pump.

High Voltage Warning

Critical warning about high voltage and disconnecting power before servicing.

Wiring Diagram (3.5-5.0 ton)

Capacitor Resistance Testing

Capacitor Testing Warning

Warning about avoiding contact with charged areas and releasing static electricity.

Capacitor Voltage Testing

Capacitor Voltage Testing Warning

Warning about avoiding contact with charged areas and releasing static electricity.

Cooling Analysis Chart

Heating Analysis Chart

Troubleshooting Fault Codes

Troubleshooting System Errors

Current and Startup Faults

Troubleshooting Operational Issues

Troubleshooting Communication and Data

System Test Requirement

Troubleshooting Network and Settings

Network Communication Troubleshooting

Guidance for troubleshooting communication issues within the heat pump system.

Homeowner Maintenance Recommendations

Pre-Servicer Checks

Unitary Inverter Start-up Checklist

Unitary Inverter Start-up Checklist Details

CTK04 Thermostat Addendum

Installer Important Notice

Critical notices for installers regarding CTK04 thermostat installation and heat pump connections.

System Start-Up Test Procedure

System Verification Test Requirement

Instructions and importance of running the system verification test.

Completing System Start-Up Test

Setting Thermostat to Charge Mode

Initiating and Terminating Charge Mode

Refrigerant Adjustment and Subcooling

Adjust Refrigerant Level

Guidance on adjusting refrigerant levels after initial charge.

Measure Subcooling for Charge Verification

Detailed procedure for measuring subcooling to ensure correct refrigerant charge.

Outdoor Temperature Lockouts

Field Selectable Boost Mode Configuration

Boost Mode Configuration

How to configure and use the BOOST MODE for increased compressor speeds.

Boost Mode Temperature Adjustment

Field Selectable Defrost Heat Mode

Defrost Heat Mode Configuration

Dehumidification Settings and Tips

Dehumidification Settings

Night Mode Configuration

Night Mode Notes and Adjustments