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AIR CONDITIONER
DX17VSS AIR CONDITIONING
INSTALLATION & SERVICE REFERENCE
I
s
I
mportAnt
Afety
nstruCtIons
s
I
.............................................................. 1
hIppIng
nspeCtIon
C
& r
.......................................................... 2
odes
egulAtIons
f
.............................................................................. 2
eAtures
p
s
reCAutIons for
eleCtIng A
p
I
reCAutIons for
nstAllAtIon
I
C
...................................................... 3
nstAllAtIon
leArAnCes
r
I
......................................................... 3
ooftop
nstAllAtIons
s
C
......................................................... 4
Afety
onsIderAtIons
r
l
............................................................... 6
efrIgerAnt
Ines
r
l
C
efrIgerAnt
Ine
onneCtIons
l
t
(n
eAK
estIng
Itrogen or
s
s
-
p
ystem
tArt
up
roCedure
s
-
p
d
tArt
up
roCedure
etAIl
e
C
...................................................... 9
leCtrICAl
onneCtIons
A
C
A
f
Ir
ondItIoner
dvAnCed
w
d
................................................................ 33
IrIng
IAgrAm
C
.......................................................................... 34
ApACItor
t
............................................................... 36
roubleshootIng
s
t
m
d
.................................................. 41
ettIng
he
ode
IsplAy
7-s
d
............................................................. 47
egment
IsplAy
s
u
C
........................................................... 51
tArt
p
heCKlIst
Index
............................................. 1
l
................................. 2
oCAtIon
............................................... 3
............................................. 8
n
-t
) ...................... 8
Itrogen
rACed
................................................ 8
.................................................. 9
m
........................... 30
eAture
enu
INSTALLATION INSTRUCTIONS
i
s
i
mPoRtant
aFety
nstRuCtions
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 !
d
All
IsConneCt
power before servICIng
m
ultIple power sourCes mAy be present
to do so mAy CAuse property dAmAge
.
Injury or deAth
WARNING
o
nly personnel thAt hAve been trAIned to InstAll
(
, "
vICe or repAIr
hereInAfter
In thIs mAnuAl should servICe the equIpment
wIll not be responsIble for Any Injury or property dAmAge ArIs
Ing from Improper servICe or servICe proCedures
,
thIs unIt
you Assume responsIbIlIty for Any Injury or property
. I
dAmAge whICh mAy result
n AddItIon
quIre one or more lICenses to servICe the equIpment speCIfIed In
,
thIs mAnuAl
only lICensed personnel should servICe the equIp
. I
,
ment
mproper InstAllAtIon
the equIpment speCIfIed In thIs mAnuAl
,
Adjust
servICe or repAIr the equIpment speCIfIed In thIs mAnuAl
wIthout proper trAInIng mAy result In produCt dAmAge
,
dAmAge
personAl Injury or deAth
s
i
hiPPing
nsPeCtion
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, specifi 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.
.
. f
AIlure
,
personAl
,
,
Adjust
")
servICe
the equIpment speCIfIed
. t
he mAnufACturer
. I
f you servICe
,
In jurIsdICtIons thAt re
,
Adjustment
servICIng or repAIr of
,
or AttemptIng to InstAll
,
property
.
-
ser
-
-
-
,
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Table of Contents
Troubleshooting
Related Manuals for Daikin DX17VSS181AA
Summary of Contents for Daikin DX17VSS181AA
-
Page 1: Air Conditioner
INSTALLATION INSTRUCTIONS AIR CONDITIONER mPoRtant aFety nstRuCtions The following symbols and labels are used throughout this DX17VSS AIR CONDITIONING manual to indicate immediate or potential safety hazards. It is the owner’s and installer’s responsibility to read and comply INSTALLATION & SERVICE REFERENCE with all safety information and instructions accompanying these symbols. - Page 2 4. There must be sufficient spaces for carrying the unit models. Specification sheets can be found at www.daikin- into and out of the site. comfort.com for Daikin products. Within the website, please 5.
- Page 3 At ground fl oor level, the unit must be on a solid, level foun- ReCautions FoR nstallation dation that will not shift or settle. To reduce the possibility • Check the strength and level of the installation ground of sound transmission, the foundation slab should not be in so that the unit will not cause any operating vibration or contact with or be an integral part of the building foundation.
- Page 4 aFety onsideRations WARNING Read these Safety considerations for Installation carefully “ ” efrIgerAnts Are heAvIer thAn AIr hey CAn push out before installing an air conditioner. After completing the instal- oxygen In your lungs or In Any enClosed spACe o AvoId pos lation, make sure that the unit operates properly during the sIble dIffICulty In breAthIng or deAth system start-up operation.
- Page 5 WARNING WARNING • d o not ground unIts to wAter pIpes suCtIon lIne telephone o AvoId possIble explosIon • n wIres or lIghtnIng rods As InComplete groundIng wIll result A ever Apply flAme or steAm to A refrIgerAnt CylInder f you severe shoCK hAzArd resultIng In severe Injury or deAth must heAt A CylInder for fAster ChArgIng pArtIAlly Immerse It dItIonAlly...
- Page 6 damping material. Avoid suspending refrigerant tubing from CAUTION joists and studs with rigid wire or straps that would come in contact with the tubing. Use an insulated or suspension type • d o not touCh the swItCh wIth wet fIngers ouChIng A swItCh hanger.
- Page 7 Condenser BELOW Evaporator Mounting the evaporator coil above the air conditioner will require an inverted loop in the suction line adjacent or near the connection to the evaporator. The top of the loop must be slightly higher than the top of the coil. The trap can prevent liquid compression of the compressor for start- up period.
- Page 8 To locate leaks, pressure test the system using dry nitrogen require less heat to bring the tube to brazing temperature or leak detector fluid per Daikin’s recommendation. If you wish before adding brazing alloy. Applying too much heat to any to use a leak detector.
- Page 9 leCtRiCal onneCtions CAUTION AhrI se refrIgerAnt CertIfIed to stAndArds sed refrIgerAnt WARNING mAy CAuse Compressor dAmAge And Is not Covered under the HIGH VOLTAGE! wArrAnty ost portAble mAChInes CAnnot CleAn used refrIger AhrI Ant to meet stAndArds IsConneCt power before servICIng ultIple power sourCes mAy be present AIlure to do so mAy CAuse property dAmAge...
- Page 10 CrImp style termInAls on the wIres up to the device) Covered pArt And seCure In plACe DX17VSS181AA 12.7 A 15 A Round crimp-style DX17VSS241AA 17.4 A 20 A 1 Phase 18 AWG...
- Page 11 Typical 18 AWG wire may be used to wire the system compo- ATTENTION INSTALLER - nents. However, communications reliability may be improved by using a high quality, shielded, twisted pair cable for the IMPORTANT NOTICE! data transmission lines. Please read carefully before installing this unit. uTdoor ndoor iring...
- Page 12 Charge Table for Total/Additional Refrigerant (A)-1 CAPEA Connection Unit Tonnage 1.5 Ton 2.0 Ton 2.5 Ton 3.0 Ton Actual Line Set Length (ft.) Total/Additional refrigerant (oz.) Indoor UNIT CAPEA Liquid Line Diameter (inch) 1/4” 3/8” 3/8” 3/8” 3/8” Suction Line Diameter (inch) 3/4”...
- Page 13 After the refrigerant charge has bled into the system, open Charge Table for Adjusting charge from suction pipe size the liquid service valve. The service valve cap is the second- (C)-2 ary seal for the valves and must be properly tightened to Unit Tonnage prevent leaks.
- Page 14 3. s ystem taRt NOTICE n InItIAl power stArt the outdoor unIt wIll dIsplAy Code e11, system sIgnAlIng thAt InItIAl test must be run ollow ™ omfort setup sCreen to enter ApplICAtIon unIque InformAtIon omfort et thermostAt mAnuAl for detAIled InformAtIon A system test is now required to check the equipment settings and functionality.
- Page 15 4. From the “MENU” screen, scroll down and select “ComfortNet User Menu”. 5. Enter Installer password. (The password is the Date Code located on the thermostat and is available by entering the “EQUIPMENT STATUS” menu and scrolling to the bottom.) 6.
- Page 16 8. Next, scroll down and select “EQUIP TEST”. Outdoor Unit SYS SETUP1 SYS SETUP2 EQUIP TEST Cool Set-up 9. Select “SYSTEM TEST”. Outdoor Unit NOTE: If unit has “E15” Error during system test, please check charging/leaking of refrigerant. 10. Select “ON” to run the “SYSTEM TEST”. Outdoor Unit Press “DONE”...
- Page 17 12. Press Previous Menu button and navigate to “HOME” screen and allow test to finish. The display similar to the one at the right will be displayed after “SYSTEM TEST” completes. Test is complete only when “CODE 2018 11” notice clears from BOTH the thermostat display AND the seven segment LED display on the outdoor unit.
- Page 18 3. Enter Installer password. (The password is the Date Code located on the thermostat and is available by entering the “EQUIPMENT STATUS” menu and scrolling to the bottom). 4. Confirm message, then select “YES” to continue. 5. Select “Outdoor Unit”. Indoor Unit Outdoor Unit 6.
- Page 19 7. Select “CHARGE MODE”. Outdoor Unit 8. Select “ON”. Press “DONE” to initiate CHARGE MODE. Outdoor Unit If charging is not complete after 1 hour, repeat 7. and 8. Refer to STEP 5 and STEP 6 for refrigerant charge level adjustment. System will then run for 1 hour and either return to cooling mode.
- Page 20 5. a NOTICE djust eFRigeRant evel heCK the ChrAder ports for leAKs And tIghten vAlve Cores Using service equipment, add or recover refrigerant according neCessAry nstAll CAps fInger tIght to the calculation in Step 1. Allow system to stabilize for 20 minutes after adjusting charge level.
- Page 21 ield eleCtaBle oost BOOST MODE enables the system to operate at increased compressor speeds to satisfy unusual high loads. BOOST MODE is initiated by an outdoor temperature sensor located in the outdoor unit. Please note that outdoor equipment operational sound levels may increase while the equipment is running in BOOST MODE.
- Page 22 3. Enter Installer password if known. a. The password is the thermostat date code and can be obtained by selecting the red Cancel button and selecting the Dealer Information button. b. Once recorded, click the green “OK” button and return to the previous step. 4.
- Page 23 7. “BOOST MD” turns BOOST MODE OFF or ON. Outdoor Unit BOOST MODE is on by default. SET MAX CURRENT: OFF Menu Outdoor VERTICAL RISE: Help Lower BOOST MD: ON BOOST TEMP: Always On Outdoor Unit Cancel Help Done 8. “BOOST TEMP” adjusts the activation temperature Outdoor Unit from 70°...
- Page 24 9. Once satisfied with BOOST MODE adjustments, navigate to the “HOME” screen by selecting the Previous Menu button three times then selecting “HOME”. 2018 dehumidiFiCation 9. Additional Dehumidification operational options can be selected in the resulting window. The thermostat reads the indoor humidity level from the 10.
- Page 25 ight fIeld seleCtAble nIght mode NIGHT MODE enables the system to operate at decreased compressor and fan speeds to satisfy quiet driving at night time. NIGHT MODE is initiated by user’s setting (“ON” or “OFF”. Default is “OFF”). 1. On the “HOME” screen, select “MENU”. 2018 2.
- Page 26 3. Enter Installer password if known. a. The password is the thermostat date code and can be obtained by selecting the red “Cancel” button and selecting “the Dealer Information” button. b. Once recorded, click the green “OK” button and return to the previous step. 4.
- Page 27 7. “NIGHT MD” turns NIGHT MODE “ON” or “OFF”..ComfortNet User Menu Outdoor Unit SYS SETUP2 NIGHT MODE is “OFF” by default. SYS SETUP RESET: NO Menu CHARGE MODE: OFF Help NIGHT MD: OFF NOISE DOWN LEVEL: 3 ...Outdoor Unit SYS SETUP2 NIGHT MD Cancel Help...
- Page 28 ™ s omFoRt ystem iagnostiCs The air conditioner’s diagnostics menu provides access to the vervIew most recent faults. The six most recent faults are displayed on A ComfortNet inverter heating and air conditioning system the first screen. Faults are stored in order from most recent uses an indoor unit, outdoor unit and thermostat which to least recent.
- Page 29 Compressor Reduction Mode: The compressor is running • Profile A provides only an OFF delay of one (1) minute at a speed lower than what is requested, based on the cool- at 100% of the cooling demand airflow. ing load. Requested and Actual % Demand: Compares the requested 100% CFM 100% CFM...
- Page 30 onditioneR dvanCed eatuRe DIAGNOSTICS INDICATION/USER SUBMENU ITEM COMMENTS MODIFIABLE OPTIONS Clear Faults NO or YES Selecting “YES” clears the fault history. Fault 1 Most recent AC fault Fault 2 2nd most recent AC fault Fault 3 3rd most recent AC fault Fault 4 4th most recent AC fault Fault 5...
- Page 31 SYSTEM SETUP (SYS SETUP) SUBMENU ITEM USER MODIFIABLE OPTIONS COMMENTS Reset System Setup Options to Selecting “YES” resets this menu to factory de- Factory Defaults (SYS SETUP NO or YES fault settings. RESET) SET MAX CURRENT Future use. If the outdoor & indoor units are within +/- 15 ft. vertical distance, select “SAME LEVEL”.
- Page 32 COOL SETUP SUBMENU ITEM USER MODIFIABLE OPTIONS COMMENTS CL Reset YES or NO Selecting to default factory setting. Cool Airflow Trim Hi -15% to +15% in 3% increments Selects the cooling airflow trim amount. Cool Airflow Trim Int -15% to +15% in 3% increments Selects the cooling airflow trim amount.
- Page 33 iRing iagRam Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 34 aPaCitoR WARNING voId ContACt wIth the ChArged AreA • n ever touCh the ChArged AreA before ConfIrmIng thAt the resIduAl voltAge Is volts or less 1. s hut down the power And leAve the Control box for mInutes 2. m AKe sure to touCh the Arth ground termInAl to releAse the stAtIC eleCtrICIty from your body to prevent fAIlure of the...
- Page 35 COOLING ANALYSIS CHART POSSIBLE CAUSE X IN ANALYSIS GUIDE INDICATE “POSSIBLE CAUSE” Liquid stop valve does not fully open Suction stop valve does not fully open Line set restriction Line set length is too long Blocked filter-dryer ID EEV coil failure ID EEV failure High Pressure switch failure Pressure sensor failure...
- Page 36 RouBleshooting ClimateTalk PCB LED Transmitted ClimateTalk Thermostat Fault Probable Causes Corrective Actions Fault Code Display Message • High electrical noise OD CTRL FAIL1 Indicates a general memory error. • Replace control board if necessary • Faulty control board • Blocked/restricted condenser coil and/ •...
- Page 37 RouBleshooting ClimateTalk PCB LED Transmitted ClimateTalk Thermostat Fault Probable Causes Corrective Actions Fault Code Display Message The control determines that the • Low pressure sensor inoperable or not • Check the connection to low pressure sensor; Repair/ PRESSURE SENSOR pressure sensor is not reacting properly connected replace if needed properly.
- Page 38 RouBleshooting ClimateTalk PCB LED Transmitted ClimateTalk Thermostat Fault Probable Causes Corrective Actions Fault Code Display Message The control is unable to start the System Verification test because • Heat provided by secondary heating • Turn off Furnace or heater using thermostat before NO SYS VER TEST indoor heat has been turned on by source...
- Page 39 RouBleshooting Items below are messages only displayed on the thermostat screen. This test is required at startup. Installer should navigate to the ComforrtNet User Menu, choose Air Conditioner, then EQUIP TEST and • Incomplete SYSTEM TEST RUN SYS TEST SYSYTEM TEST. Run the system test.
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Page 40: Operation Mode
The ComfortNet™ system is a fully communicating system, RouBleshooting constituting a network. Occasionally the need to troubleshoot the network may arise. The integrated control module has etworK roubleshootIng some onboard tools that can be used to troubleshoot the Communication is achieved by taking the difference between network. - Page 41 etting isPlay MODE DISPLAY INTRODUCTION A 3-digit display is provided on the printed circuit board (PCB) as a backup tool to the thermostat for reading faults, fault history, monitoring and setting up the air conditioner. Follow the information provided in this section to learn how to use the mode display. DISPLAY The display consists of 3 digits.
- Page 42 etting isPlay NAVIGATING THROUGH THE DISPLAY SCREENS SCREEN 0 The home or default screen on the display. This shows the most recent fault. SCREEN 1 To access, hold the “RECALL” button from screen 0 - 5 seconds. SCREEN 2 To access, hold the “RECALL” button from screen 1 - 5 seconds. SCREEN 3 To access, hold the “RECALL”...
- Page 43 etting isPlay FAULT CODE HISTORY NAVIGATION < SCREEN 1 > This mode will allow the user to see the six most recent system faults. For a list of the fault codes, please see the TROUBLESHOOTING tables in this document. < SCREEN 0 > Press LEARN.
- Page 44 etting isPlay MONITORING MODE NAVIGATION < SCREEN 0 > < SCREEN 2 > This screen allows the user to monitor system variables as shown in the tables at the end of this section. Blink interval: < SCREEN 1 > 0.4 sec. On - 0.4 sec. Off Hold RECALL.
- Page 45 etting isPlay SETTINGS MODE 1 NAVIGATION < SCREEN 3 > < SCREEN 0 > Setting Mode 1 allows the user to adjust system settings as shown in the tables at the end of this section. Blink interval: < SCREEN 2 > 0.4 sec.
- Page 46 etting isPlay SETTINGS MODE 2 < SCREEN 4 > < SCREEN 0 > Setting Mode 2 allows the user to change system settings. See table in back of this section. Blink interval: 0.4 sec. On - 0.4 sec. Off < SCREEN 3 > Press LEARN.
- Page 47 egment isPlay SCREEN 0 (Display FAULT CODE) Setting Contents Notes Fault code (present) SCREEN 1 (Display FAULT CODES) Setting Contents Notes Fault code (latest) Latest Fault code (2nd) Fault code (3rd) Fault code (4th) Fault code (5th) Fault code (6th) SCREEN 2 (MONITOR MODE) Setting Contents...
- Page 48 egment isPlay SCREEN 3 (SETTING MODE 1) Setting Contents Setting Installer/Serviceman Notes 0:-15% 5:0% 8:9% 1:-12% 6:3% 9:12% Cool Airflow Trim High* 2:-9% 7:6% 10:15% 3:-6% 4:-3% 5:0% 0:-15% 8:9% 1:-12% 6:3% 9:12% Cool Airflow Trim Int 2:-9% 7:6% 10:15% 3:-6% 4:-3% 5:0%...
- Page 49 splIt systems AIR CONDITIONING HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS We strongly recommend a bi-annual maintenance checkup be performed before the heating and cooling seasons begin by a qualifi ed servicer. eplACe or leAn Ilter leAn utsIde uAlIfIed ervICer IMPORTANT NOTE: Never operate unit without a fi lter in- WARNING stalled as dust and lint will build up on internal parts resulting in loss of effi ciency, equipment damage and possible fi re.
- Page 50 Start-up Checklist For Unitary Inverter *Store in job file Date: _________________________________________ Model Number: _________________________________________ Serial Number: _________________________________________ Technician: _________________________________________ Pre Start-Up (Check each item as completed) Verify all packaging material has been removed. Remove all shipping brackets per installation instructions. Verify the job site voltage agrees with the unit serial plate.
- Page 51 Start-up Checklist For Unitary Inverter Start-Up (Insert the values as each item is completed.) eleCtrICAl Supply Voltage L1 - L2 blower externAl stAtIC pressure Return Air Static Pressure IN. W.C. Supply Air Static Pressure IN. W.C. Total External Static Pressure IN.
- Page 52 NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE Visit our website at www.daikincomfort.com for information on: • Products • Parts • Warranties • Contractor Programs and Training • Customer Services • Financing Options 3P515859-1B EM17A030 [1801] HT...