Daikin DX17VSS241AA User Manual

INSTALLATION INSTRUCTIONS
AIR CONDITIONER
DX17VSS AIR CONDITIONING
INSTALLATION & SERVICE REFERENCE
Index
ImportAnt sAfety InstruCtIons ............................................. 1
shIppIng InspeCtIon .............................................................. 1
Codes & regulAtIons .......................................................... 2
feAtures.............................................................................. 2
preCAutIons for seleCtIng A loCAtIon ................................. 2
preCAutIons for InstAllAtIon ............................................... 3
InstAllAtIon CleArAnCes ...................................................... 3
rooftop InstAllAtIons ......................................................... 3
sAfety ConsIderAtIons......................................................... 4
refrIgerAnt lInes ............................................................... 6
refrIgerAnt lIne ConneCtIons ............................................. 8
leAK testIng (nItrogen or nItrogen-trACed) ...................... 8
system stArt-up proCedure ................................................ 8
stArt-up proCedure detAIl .................................................. 9
eleCtrICAl ConneCtIons ...................................................... 9
AIr CondItIoner AdvAnCed feAture menu ........................... 30
wIrIng dIAgrAm ................................................................ 33
CApACItor .......................................................................... 34
troubleshootIng ............................................................... 36
settIng the mode dIsplAy .................................................. 41
7-segment dIsplAy ............................................................. 47
stArt up CheCKlIst ........................................................... 51
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.
WARNING
HIGH VOLTAGE !
dIsConneCt All power before servICIng.
m
ultIple 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.
shiPPing insPeCtion
Always keep the unit upright; laying the unit on its side or top
may cause equipment damage. Shipping damage, and sub-
sequent investigation is the responsibility of the carrier. Verify
the model number, speci cations, electrical characteristics,
and accessories are correct prior to installation. The distributor
or manufacturer will not accept claims from dealers for trans-
portation damage or installation of incorrectly shipped units.
English
01_EN_3P515859-1B.indd 1 1/16/2018 14:34:56

Daikin DX17VSS241AA Specifications

General

Cooling Capacity	24, 000 BTU
SEER Rating	17
Energy Efficiency Ratio (EER)	12.5
Refrigerant	R-410A
Stages	Variable
Voltage	208/230V
Phase	1
Type	Air Conditioner
Compressor Type	Variable-Speed
Indoor Unit Noise Level	As low as 47 dBA
Outdoor Unit Noise Level	As low as 57 dBA
Warranty	12-Year Limited Parts Warranty
Sound Level (Indoor)	As low as 47 dBA
Sound Level (Outdoor)	As low as 57 dBA

Summary

Air Conditioner Installation and Service Reference

IMPORTANT SAFETY INSTRUCTIONS

Provides critical safety information and symbols used in the manual.

Installation Precautions

INSTALLATION CLEARANCES

Safety Considerations for Installation

REFRIGERANTS ARE HEAVIER THAN AIR

Details hazards associated with refrigerants and necessary precautions to avoid injury or death.

SAFE HANDLING OF REFRIGERANTS

Provides warnings and instructions for safely handling refrigerants, including cylinder usage.

Additional Refrigerant Handling Warnings

CAUTION (Refrigerant R410A)

WARNING (Grounding and Wiring)

Emphasizes correct grounding procedures and electrical wiring safety to prevent shock or fire.

Refrigerant Lines

CAUTION (Compressor Oil)

REFRIGERANT LINES

Details the proper use, installation, and insulation of copper refrigerant lines.

Refrigerant Line Connections and Leak Testing

IMPORTANT (Brazing)

LEAK TESTING (NITROGEN OR NITROGEN-TRACED)

Details the procedure for leak testing the system using nitrogen or a leak detector.

SYSTEM START-UP PROCEDURE

Outlines the general steps for initiating system operation after installation.

System Start-Up Details and Electrical Connections

CAUTION (Suction Pressure)

ELECTRICAL CONNECTIONS

Covers high voltage warnings, grounding requirements, and proper electrical connections.

High Voltage and Low Voltage Connections

CAUTION (Power Supply Wiring)

LOW VOLTAGE CONNECTIONS

System Wiring and Refrigerant Charge Calculation

ATTENTION INSTALLER - IMPORTANT NOTICE!

STEP 1. CALCULATE REFRIGERANT CHARGE BASED ON LINE SET LENGTH

Guides on calculating the necessary refrigerant charge based on line set length and diameter.

Refrigerant Charge Tables

Charge Table for Total/Additional Refrigerant (A)-1 CAPEA Connection

Provides refrigerant charge data for CAPEA connections based on line set length and tonnage.

Charge Table for Total/Additional Refrigerant (A)-1 CHPE Connection

Provides refrigerant charge data for CHPE connections based on line set length and tonnage.

Refrigerant Charge Adjustment and System Connection

Charge Table for Adjusting charge from suction pipe size (C)-2

STEP 2. CONNECT AIR CONDITIONER TO SYSTEM

Details the procedure for connecting the air conditioner to the system, including opening valves.

System Start-Up Test

System Test Execution

Select "SYSTEM TEST"

Details how to initiate the system test on the thermostat for verification.

Allow the system test to run

Explains to allow the system test to complete, noting its duration and importance.

Thermostat Charge Mode Setup

STEP 4. SET THERMOSTAT TO CHARGE MODE

Provides the procedure to set the thermostat to CHARGE MODE for system charging.

CHARGE MODE

Describes the CHARGE MODE functionality for system charging and its duration.

Charge Mode Initiation and Termination

Select "CHARGE MODE"

Guides the user to select the CHARGE MODE option.

Select "ON" to initiate CHARGE MODE

Details how to start the CHARGE MODE and the subsequent system operation.

Refrigerant Level Adjustment and Subcooling Measurement

STEP 5. ADJUST REFRIGERANT LEVEL

Guides on adding or recovering refrigerant to adjust the system's charge level.

STEP 6. MEASURE SUBCOOLING TO VERIFY PROPER CHARGE

Describes how to measure subcooling to verify the correct refrigerant charge.

SATURATED LIQUID PRESSURE TEMPERATURE CHART

Field Selectable Boost Mode

BOOST MODE

Boost Mode Settings

"BOOST MD" turns BOOST MODE OFF or ON

Details how to enable or disable BOOST MODE.

"BOOST TEMP” adjusts the activation temperature

Details how to adjust the BOOST MODE activation temperature and available options.

Night Mode Configuration

FIELD SELECTABLE NIGHT MODE

Night Mode Activation and Noise Level

"NIGHT MD" turns NIGHT MODE "ON" or "OFF"

Details how to enable or disable NIGHT MODE.

System Setup Options

COOL SET-UP

Covers adjustments for cooling performance variables like airflow and delays.

Air Conditioner Advanced Feature Menu

DIAGNOSTICS

Details the diagnostics submenu for viewing fault codes and system status.

STATUS

System Setup Menu Details

EQUIPMENT TEST (EQUIP TEST)

Describes the system verification test required after installation.

SYSTEM MAINTENANCE (MAINTENANCE)

Cooling Setup Menu Options

SET COOLING RUN VALUES (CL RUN VALUES)

Wiring Diagram and Component Identification

WARNING HIGH VOLTAGE!

Critical warning about high voltage hazards during servicing or installation.

Capacitor Safety and Voltage Measurement

WARNING (Capacitor Safety)

Safety warning regarding contact with charged capacitors and residual voltage.

Cooling Performance Analysis Chart

POSSIBLE CAUSE

Troubleshooting Fault Codes

ClimateTalk Fault Code

Table detailing fault codes, PCB LED display, thermostat messages, probable causes, and corrective actions.

HI PRESSURE C (C = CRITICAL)

Details high-pressure faults and their associated causes and corrective actions.

Troubleshooting System Faults

PRESSURE SENSOR

LIQ TEMP FAIL

Troubleshooting Communication and Airflow Issues

SYSTEM MISMATCH

INVALID MC DATA

Troubleshooting System Verification Test

RUN SYS TEST

Network Troubleshooting and LED Indicators

Red Communications LED (H1P)

Green Receive LED (H2P)

Unitary Inverter Start-up Checklist

Pre Start-Up (Checklist Items)

Unit Start-up Data Recording

ELECTRICAL (Start-up Values)

TEMPERATURES (Start-up Values)

PRESSURES (Start-up Values)