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OUTDOOR UNIT
DH9VS***1*A*/DH7VS***1*A*/
DC9VS***1*A* OUTDOOR UNIT
INSTALLATION & SERVICE REFERENCE
I
S
I
mportant
afety
nStructIonS
S
I
.............................................................. 2
hIppIng
nSpectIon
c
& r
.......................................................... 2
odeS
egulatIonS
f
.............................................................................. 2
eatureS
a
........................................................................ 2
cceSSorIeS
B
I
............................................................. 3
efore
nStallatIon
p
S
recautIonS for
electIng a
p
I
recautIonS for
nStallatIon
I
c
...................................................... 5
nStallatIon
learanceS
c
c
o
u
old
lImate
utdoor
nIt
r
I
......................................................... 8
ooftop
nStallatIonS
e
n
................................................................. 8
lectrIcal
oISe
S
c
......................................................... 9
afety
onSIderatIonS
m
S
.......................................................... 9
eanIngS of
ymBolS
S
r
h
afe
efrIgerant
andlIng
S
c
r
afety
heckS to
efrIgerant
r
l
.............................................................. 12
efrIgerant
IneS
r
l
c
efrIgerant
Ine
onnectIonS
l
t
(n
) .................................................... 18
eak
eStIng
Itrogen
S
e
............................................................. 19
yStem
vacuatIon
S
S
-
p
yStem
tart
up
rocedure
e
c
..................................................... 20
lectrIcal
onnectIonS
S
1. c
r
tep
alculate
efrIgerant
l
S
l
.......................................................... 24
Ine
et
ength
S
2. c
l
tep
harge By
IneSet
S
v
o
m
top
alve
peratIon
ethod
S
3. S
S
-
t
tep
yStem
tart
up
a
c
a
ddItIonal
harge
djuStIng
S
4. m
S
tep
eaSure
uBcoolIng to
S
o
.............................................................. 27
yStem
peratIon
W
d
................................................................. 30
IrIng
Iagram
t
c
r
eStIng
apacItor
eSIStance
t
............................................................... 32
rouBleShootIng
S
t
m
d
ettIng
he
ode
ISplay
7-S
d
............................................................. 43
egment
ISplay
S
S
d
yStem
ervIce and
ecommISSIonIng
o
u
h
utdoor
nIt
omeoWner
r
........................................................ 48
ecommendatIonS
S
u
c
........................................................... 49
tart
p
hecklISt
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2013, 2017-2019, 2022, 2024
3P679063-5L
Index
............................................. 1
l
................................. 3
ocatIon
............................................... 3
o
l
.................. 8
peratIon
ocatIon
............................................... 11
e
......................... 11
quIpment
........................................... 16
.............................................. 19
c
B
harge
aSed on
l
..................................... 25
ength
........................................... 25
............................................ 26
eSt
p
........................... 26
rocedure
v
p
c
erIfy
roper
harge
............................................ 31
.................................................. 37
................................. 46
'
r
m
S
outIne
aIntenance
Daikin Texas Technology Park,19001 Kermier Road,Waller, TX, 77484, U.S.A.
I
mportant
Refrigerant
Safety Group
A2L
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 9.
HIGH VOLTAGE !
d
all
ISconnect
m
ultIple poWer SourceS may Be preSent
to do So may cauSe property damage
Injury or death
o
nly perSonnel that have Been traIned to InStall
,
ServIce
maIntenance or repaIr
equIpment SpecIfIed In thIS manual Should ServIce the equIpment
t
hIS equIpment IS not Intended for uSe By perSonS
)
chIldren
WIth reduced phySIcal
or lack of experIence and knoWledge
gIven SupervISIon or InStructIon concernIng uSe of the applIance
By a perSon reSponSIBle for theIr Safety
SupervISed to enSure that they do not play WIth the equIpment
t
he manufacturer WIll not Be reSponSIBle for any Injury or
property damage arISIng from Improper SupervISIon
ServIce procedureS
SIBIlIty for any Injury or property damage WhIch may reSult
I
,
n addItIon
In jurISdIctIonS that requIre one or more lIcenSeS
to ServIce the equIpment SpecIfIed In thIS manual
perSonnel Should ServIce the equIpment
,
InStallatIon
adjuStment
the equIpment SpecIfIed In thIS manual
..... 26
,
adjuSt
ServIce or repaIr the equIpment SpecIfIed In thIS manual
WIthout proper SupervISIon or traInIng may reSult In product
,
damage
property damage
d
o not BypaSS Safety devIceS
www.daikincomfort.com
INSTALLATION INSTRUCTIONS
S
I
afety
nStructIonS
Read the precautions in this manual
carefully before operating the unit.
This appliance is filled with R32.
WARNING
.
poWer Before ServIcIng
. f
aIlure
,
perSonal
.
WARNING
(
hereInafter
,
SenSory or mental capaBIlItIeS
,
unleSS they have Been
. c
. I
,
f you ServIce thIS unIt
. I
mproper SupervISIon
,
,
ServIcIng
maIntenance or repaIr of
,
or attemptIng to InStall
,
perSonal Injury or death
WARNING
.
,
,
adjuSt
, "
")
ServIce
the
.
(
IncludIng
,
hIldren Should Be
.
,
ServIce or
-
you aSSume reSpon
.
,
only lIcenSed
,
,
.
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Table of Contents
Related Manuals for Daikin DH9VS 1 A Series
Summary of Contents for Daikin DH9VS 1 A Series
- Page 1 ............48 ecommendatIonS ............49 tart hecklISt Our continuing commitment to quality products may mean a change in specifications without notice. © 2013, 2017-2019, 2022, 2024 Daikin Texas Technology Park,19001 Kermier Road,Waller, TX, 77484, U.S.A. 3P679063-5L www.daikincomfort.com...
- Page 2 (clear) outdoor unit specification sheet for split system models or product specification sheet for packaged and light commercial models. Specification sheets can be found at www.daikin- Shape comfort.com for Daikin products. Within the website, please select the products menu and then select the submenu for...
-
Page 3: Before Installation
efore nstallatIon recautIons for electIng a ocatIon 1. Choose a place solid enough to bear the weight and Precautions to remove packaging (Corner guard) vibration of the unit, where the operating sound will • Remove the packaging not be amplified. plate (Corner guard) used to protect 2. -
Page 4: Storage And Transportation
Storage and Transportation Units come factory charged with refrigerant. Take care to store unit in a location that will minimize potential for damage. The unit should be stored away from continuously operating sources off ignition. If transporting the unit, ensure relevant regulations of the geographic area are followed. -
Page 5: Installation Clearances
nstallatIon learanCes • Installation clearances mean required clearances for installation, maintenance and enhancing system performance. • The following installation clearances are based on the cooling operation in 95°F ambient condition. In the case systems operate more than 95°F ambient condition or the cooling load is greater than system maximum capacity, it is desirable to leave greater clearance. - Page 6 unit: inch Wall facing inlet and outlet side • Wall facing outlet side is higher than unit 1. Open top installation* 2. Closed top installation* L ≤ 0.5H 40” Minimum L ≤ H 0.5H < L ≤ H 50” Minimum Use a stand to meet L ≤...
- Page 7 • Wall facing outlet side is lower than unit unit: inch 1. Open top installation 2. Closed top installation* L ≤ 0.5H 10” Minimum L ≤ H L ≤ 0.5H 10” Minimum 0.5H < L ≤ H 12” Minimum 0.5H < L ≤ H 12”...
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Page 8: Electrical Noise
This unit can be located at ground floor level or on flat roofs. ooftop nstallations At ground floor level, the unit must be on a solid, level foun- If it is necessary to install this unit on a roof structure, ensure dation that will not shift or settle. -
Page 9: Safety Considerations
afety onSiderationS • r ecord The sysTem when charging is compleTe abel for refrigeranT amounT is locaTed ouTside The uniT on The panel Read these Safety considerations for Installation carefully sing a durable marking insTrumenT fill in The facTory charge before installing a outdoor unit. - Page 10 CAUTION WARNING • R ll accessoRies that may become a potential ignition souRce efRigeRant in the system must be kept clean if installed such as electRonic aiR cleaneRs must only be tight (a) c poweRed thRough ouR accessoRy contRol boaRd kit f an lean and oReign mateRials...
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Page 11: S Afe R Efrigerant H Andling
efRigeRant andling afety HeCkS to efRigeRant quipment Prior to beginning work on systems containing flammable Where electrical components are being changed, they shall be refrigerants, safety checks are necessary to ensure that the fit for the purpose and to the correct specification. At all times risk of ignition is minimized. -
Page 12: Refrigerant Lines
efRigeRant ines Allowable line set diameter Cond Unit Liquid Suction Tons WARNING 5/16 1 1/8 nly brazing techniques and apprOved mechanical jOints shOuld be used tO cOnnect refrigerant tubing cOnnectiOns apprOved mechanical cOnnectOrs and Other methOds are nOt permitted in this system cOntaining refrigerant x: Allowable combination CAUTION... - Page 13 Refrigerant tubing is highly prone to transmit noise and vibration to the adjoining structure. When mounting line set to struc- tural members, use adequate vibration-isolating hardware. Installation of Refrigeration Piping From Vertical to Horizontal Hanger Wall Liquid Line Stud Strapped to Gas Line Liquid Line Metal...
- Page 14 Installation of Refrigerant Piping (Horizontal) If hanging line set from a joist or rafter, use metal strapping Wire Tie or heavy nylon wire tires (around gas line only) that are securely anchored. 8’ Floor Joist or Tape or Wire Tie Roof Rafter 8’...
- Page 15 Outdoor Unit BELOW Indoor Unit Liquid Line Maximum vertical elevation of 90 ft. Suction Line Maximum line set equivalent length of A ft. The maximum line set actual length B ft. Outdoor Unit ABOVE Indoor Unit Maximum line set equivalent length of A ft. The maximum line set actual length B ft.
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Page 16: R Efrigerant L Ine C Onnections
• Cutting out the two slits makes it possible to install as efRigeRant onneCtions shown in below figure. IMPORTANT To avoid overheating the stop valves and service ports, sensors, or filter drier while brazing, wrap the component with a wet rag, or use a thermal heat trap compound. If using a wet rag care should be taken to not get water/ Field connection piping moisture inside the tubing as it’s very important to keep... -
Page 17: Pipe Insulation
Connecting refrigerant piping to outdoor unit • Insulation of pipes should be done after performing SYS- TEM EVACUATION. Back connection (recommended) • Failing to insulate the pipes may cause leaking or burns. Remove the slit hole of the piping intake and connect piping Be sure to use insulation designed for HVAC equipment. - Page 18 esTing iTrogen Tanding ressure Best practices dictate system should be pressure tested at 460 PSIG with nitrogen for a minimum 1 hour (4 hours recom- WARNING mended). Follow the procedure outlined below to test system. o avoid The risk of fire or explosion never use oxygen high If leaks are found, repair them.
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Page 19: S Ystem E Vacuation
yStem vacuation yStem tart rocedure Outdoor unit liquid and suction valves are closed to contain GENERAL NOTES: the charge within the unit. The unit is shipped with the valve Adequate refrigerant charge for the matching indoor unit stems closed and caps installed. Do not open valves until and line set is supplied with the outdoor unit. -
Page 20: High Voltage
lEctrical onnEctions Afety hecks to LectricAL evices AnD AbLing Repair and maintenance to electrical components shall include initial safety checks and component inspection pro- WARNING cedures. If a fault exists that could compromise safety, then HIGH VOLTAGE! no electrical supply shall be connected to the circuit until it is satisfactorily dealt with. - Page 21 oltage onneCtions • o tigHtening tHe terminal sCrews may break tHem • s ee tHe table below for tigHtening torque for tHe terminal Route power supply and ground wires through the high volt- sCrews age port and terminals in accordance with the wiring diagram. Tightening torque (lb·ft) CAUTION Power supply wire...
- Page 22 The unit is designed to work as part of a fully communicating the system. Refer to the communicating thermostat’s instal- HVAC system, utilizing a Daikin approved communicating ther- lation instructions for more information. mostat, Communicating indoor unit, and up to four wires. Route...
- Page 23 uTdoor ndoor iring Typical wiring will consist of two wires between the indoor unit and outdoor unit, and four wires between the indoor unit and thermostat. The figure that follows shows the required wires: data lines, 1 and 2; “R” (24 VAC hot) and “C” (24 VAC common). Never connect the power wiring to communication terminal.
- Page 24 1. C alCulate efRigeRant haRge aSed on ength The outdoor unit is shipped with a predetermined factory charge level as shown below. Please follow below step. Total Refrigerant Factory Charge Additional Charge for line set (C) Charge (A) (A) to (C) parameters are shown in below table. The following table shows refrigerant amount for every 5 feet of line.
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Page 25: S Top V Alve O Peration
2. C Service port cap harge ineSet ength Service port CAUTION Back sealing nsurE valvEs arE opEn and additional chargE is addEd pEr *To be sealed, follow step 3 of chart bEforE applying powEr Opening Procedure. Charge additional refrigerant calculated by the equation & Valve lid table in Step 1. - Page 26 3. S 1. Purge gauge lines. yStem tart 2. Connect service gauge manifold to liquid base valve For a detailed procedure, please visit the Daikin One+ website service ports. at https://www.daikinone.com 3. Convert the liquid pressure to temperature using a NOTICE temperature/pressure chart.
- Page 27 These advanced features are organized into a menu struc- ture. Powerful Heating Control For detailed functions and menu layout, please visit the Daikin One+ Smart Thermostat website at https://www.daikinone.com ooling booSt mode Compressor speed range (Powerful Heating)
- Page 28 ehumiDification uiet moDe The thermostat reads the indoor humidity level from the field QUIET MODE enables the system to operate at decreased setting menu and allows the user to set a dehumidification compressor and fan speeds to satisfy quiet driving. target based on these settings.
- Page 29 To see any restriction of added new combination, the latest It change fan delay for set duration from normal operation. manual can be obtained from the website “DAIKIN CITY (Installation Manual/Unitary Split System)” or “PartnerLink et thermoStat to check SyStem StatuS (InfoFinderPlus/Literature)”.
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Page 30: Wiring Diagram
iring iagram DH9VS***1*A*/DH7VS***1*A*/DC9VS***1*A*: 3D149219 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. - Page 31 esTing apaCiTor esisTanCe 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.
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Page 32: Troubleshooting
roubleshooTing Thermostat Control board Description Probable Causes Corrective Actions display LED Display • High electrical noise Indicates a general memory error. • Replace A1P control board if necessary • Faulty control board • Blocked/restricted outdoor unit coil and/or lines • Check and clean outdoor unit coil and/or lines •... - Page 33 roubleshooTing Thermostat Control board Description Probable Causes Corrective Actions display LED Display The outdoor air temperature sensor is open • Faulty outdoor thermistor sensor or disconnect • Inspect and test sensor; Replace sensor if needed or shorted. The control determines that the low pres- •...
- Page 34 roubleshooTing Thermostat Control board Description Probable Causes Corrective Actions Display LED Display The control is unable to enter Charging Mode because indoor heat has been turned • Heat provided by secondary heating source • Turn off Furnace or heater using thermostat before operation on by thermostat.
- Page 35 roubleshooTing Thermostat Control board Description Probable Causes Corrective Actions Display LED Display Control detected that type of a lower fan • Incorrect PCB was installed. motor, M2F does not match to a type which • Check parts number of the PCB (A3P) and the fan motor (M2F). •...
- Page 36 4. Change both dip switch 1 and 2 of DS1 on the outdoor roubleshooTing unit control board. In case the indoor unit control board has DS7, refer to the etwork roubleshootiNg following table “Dip Switch Setting Combinations” (see If a network communication error code has occurred, use the the indoor unit installation manual to verify whether the following steps to help troubleshoot the system.
- Page 37 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 outdoor unit. Follow the information provided in this section to learn how to use the mode display. DISPLAY The display consists of 3 digits.
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Page 38: S Etting T He M Ode D Isplay
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 39 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 > Hold RECALL.
- Page 40 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 41 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.
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Page 42: Settings Mode
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 2 > Press LEARN. - Page 43 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...
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Page 44: S Egment D Isplay
egment iSplay SCREEN 3 (SETTING MODE 1) Installer/Serviceman Setting No. Contents Setting * Notes 0:-15% 4:5% 1:-10% 5:10% Cool Airflow Trim High 2:-5% 6:15% 3:0% 0:-15% 4:5% 8:30% 1:-10% 5:10% 9:Full Cool Airflow Trim Int 2:-5% 6:15% 3:0% 7:20% 0:-15% 4:5% 8:30% 1:-10%... - Page 45 SCREEN 4 (SETTING MODE 2) Installer/Serviceman Setting No. Contents Setting Notes 0: 30min. 1: 60min. Maximum Defrost Interval* 2: 90min. 3: 120min. System Verification Test (Sys- 0:ON 1:OFF tem test) Force Defrost Cycle* 0:ON 1:OFF For pump down pro- 1:OFF Pump down 0:ON cedure, see service...
- Page 46 ing into systems with flammable refrigerants. These repairs yStem ervice and ecommiSSioning shall only be performed by qualified service personnel and in When breaking into the refrigerant circuit to make repairs compliance with local and national regulations. – or for any other purpose – Before carrying out this procedure, it is essential that the Conventional procedures shall be used.
- Page 47 Should electrical components need to be replaced, ensure that the original equipment manufacturer’s part or equivalent is used. Markings and warnings on the unit shall continue to be visible and legible after installation and service. Correct any markings and warnings that are made illegible. When decommissioning a system, all previously mentioned precautions regarding safe refrigerant handling must be fol- lowed.
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Page 48: Maintenance Recommendations
’ utdOOr OmeOwner Outine aintenance ecOmmendatiOns SPLIT SYSTEMS We strongly recommend a bi-annual maintenance checkup be performed before the heating and cooling seasons begin by a qualified servicer. EPLacE oR LEan ILTER LEan uTSIdE uaLIFIEd ERvIcER IMPORTANT NOTE: Never operate unit without a filter in- WARNING stalled as dust and lint will build up on internal parts resulting in loss of efficiency, equipment damage and possible fire. -
Page 49: Pre-Start-Up
Verify that the outdoor unit has been energized for 2 hours. Verify all accessories are installed and operating correctly. Check filters and replace if necessary. Verify the installation of the thermostat. A Daikin approved communicating thermostat is the only approved thermostat for the unitary inverter unit. 3/2015... - Page 50 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 19001 Kermier Road, Waller, TX, 77484, U.S.A. CUSTOMER FEEDBACK Daikin is very interested in all product comments. Please fill out the feedback form on the following link: https://daikincomfort.com/contact-us You can also scan the QR code on the right to be directed to the feedback page.
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