Daikin ERQ100A7V1B, ERQ125A7V1B, ERQ140A7V1B Installation manuals
INSTALLATION MANUAL
Inverter condensing unit
ERQ100A7V1B
ERQ125A7V1B
ERQ140A7V1B
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CE - ATITIKTIES-DEKLARACIJA
<A> DAIKIN.TCF.024D12/02-2009
<B> TÜV (NB1856)
<C> 0510260101
CE - ATBILSTĪBAS-DEKLARĀCIJA
CE - VYHLÁSENIE-ZHODY
CE - IZJAVA O SKLADNOSTI
CE - VASTAVUSDEKLARATSIOON
CE - ДЕКЛАРАЦИЯ-ЗА-ϹЪОТВЕТСТВИЕ
CE - IZJAVA-O-USKLAĐENOSTI
CE - MEGFELELŐSÉGI-NYILATKOZAT
CE - DEKLARACJA-ZGODNOŚCI
CE - UYUMLULUK-BEYANI
CE - DECLARAŢIE-DE-CONFORMITATE
deklaruje na własną i wyłączną odpowiedzialność, że modele klimatyzatorów, których dotyczy niniejsza deklaracja:
m
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declară pe proprie răspundere că aparatele de aer condiţionat la care se referă această declaraţie:
z vso odgovornostjo izjavlja, da so modeli klimatskih naprav, na katere se izjava nanaša:
r
o
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kinnitab oma täielikul vastutusel, et käesoleva deklaratsiooni alla kuuluvad kliimaseadmete mudelid:
x
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декларира на своя отговорност, че моделите климатична инсталация, за които се отнася тази декларация:
b
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visiška savo atsakomybe skelbia, kad oro kondicionavimo prietaisų modeliai, kuriems yra taikoma ši deklaracija:
t
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ar pilnu atbildību apliecina, ka tālāk uzskaitīto modeļu gaisa kondicionētāji, uz kuriem attiecas šī deklarācija:
v
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vyhlasuje na vlastnú zodpovednosť, že tieto klimatizačné modely, na ktoré sa vzťahuje toto vyhlásenie:
tamamen kendi sorumluluǧunda olmak üzere bu bildirinin ilgili olduǧu klima modellerinin aşaǧıdaki gibi olduǧunu beyan eder:
k
w
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megfelelnek az alábbi szabvány(ok)nak vagy egyéb irányadó dokumentum(ok)nak, ha azokat előírás szerint használják:17spełniają wymogi następujących norm i innych dokumentów normalizacyjnych, pod warunkiem że używane są zgodnie z naszymi
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instrukcjami:18sunt în conformitate cu următorul (următoarele) standard(e) sau alt(e) document(e) normativ(e), cu condiţia ca acestea să fie utilizate în
conformitate cu instrucţiunile noastre:
skladni z naslednjimi standardi in drugimi normativi, pod pogojem, da se uporabljajo v skladu z našimi navodili:20on vastavuses järgmis(t)e standardi(te)ga või teiste normatiivsete dokumentidega, kui neid kasutatakse vastavalt meie juhenditele:21съответстват на следните стандарти или други нормативни документи, при условие, че се използват съгласно нашите
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инструкции:
atitinka žemiau nurodytus standartus ir (arba) kitus norminius dokumentus su sąlyga, kad yra naudojami pagal mūsų nurodymus:23tad, ja lietoti atbilstoši ražotāja norādījumiem, atbilst sekojošiem standartiem un citiem normatīviem dokumentiem:24sú v zhode s nasledovnou(ými) normou(ami) alebo iným(i) normatívnym(i) dokumentom(ami), za predpokladu, že sa používajú v súlade
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Direktive z vsemi spremembami.20Direktiivid koos muudatustega.21Директиви, с техните изменения.22Direktyvose su papildymais.23Direktīvās un to papildinājumos.24Smernice, v platnom znení.25Deǧiştirilmiş halleriyle Yönetmelikler.
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Direktiver, med senere ændringer.11Direktiv, med företagna ändringar.12Direktiver, med foretatte endringer.13Direktiivejä, sellaisina kuin ne ovat muutettuina.14v platném znění.15Smjernice, kako je izmijenjeno.16irányelv(ek) és módosításaik rendelkezéseit
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s našim návodom:25ürünün, talimatlarımıza göre kullanılması koşuluyla aşağıdaki standartlar ve norm belirten belgelerle uyumludur:
Directives, as amended.02Direktiven, gemäß Änderung.03Directives, telles que modifiées.04Richtlijnen, zoals geamendeerd.05Directivas, según lo enmendado.06Direttive, come da modifica.07Οδηγιών, όπως έχουν τροποποιηθεί.08Directivas, conforme alteração em.09Директив со всеми поправками.
01
.
<B>
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göre
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pozitīvajam
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in odobreno s strani
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tarafından olumlu olarak değerlendirildiği gibi.
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*
**
<A>
* както е изложено в
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CE - ERKLÆRING OM-SAMSVAR
CE - ILMOITUS-YHDENMUKAISUUDESTA
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заявляет, исключительно под свою ответственность, что модели кондиционеров воздуха, к которым относится настоящее заявление:
erklærer under eneansvar, at klimaanlægmodellerne, som denne deklaration vedrører:
erklærer et fullstendig ansvar for at de luftkondisjoneringsmodeller som berøres av denne deklarasjon, innebærer at:
ilmoittaa yksinomaan omalla vastuullaan, että tämän ilmoituksen tarkoittamat ilmastointilaitteiden mallit:
prohlašuje ve své plné odpovědnosti, že modely klimatizace, k nimž se toto prohlášení vztahuje:
izjavljuje pod isključivo vlastitom odgovornošću da su modeli klima uređaja na koje se ova izjava odnosi:
j
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c
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y
15
teljes felelőssége tudatában kijelenti, hogy a klímaberendezés modellek, melyekre e nyilatkozat vonatkozik:
h
16
deklarerar i egenskap av huvudansvarig, att luftkonditioneringsmodellerna som berörs av denna deklaration innebär att:
u
q
n
s
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CE - FÖRSÄKRAN-OM-ÖVERENSTÄMMELSE
CE - DECLARAÇÃO-DE-CONFORMIDADE
CE - ЗАЯВЛЕНИЕ-О-СООТВЕТСТВИИ
CE - OVERENSSTEMMELSESERKLÆRING
CE - DECLARACION-DE-CONFORMIDAD
CE - DICHIARAZIONE-DI-CONFORMITA
CE - ∆HΛΩΣΗ ΣΥΜΜΟΡΦΩΣΗΣ
estão em conformidade com a(s) seguinte(s) norma(s) ou outro(s) documento(s) normativo(s), desde que estes sejam utilizados de
acordo com as nossas instruções:09соответствуют следующим стандартам или другим нормативным документам, при условии их использования согласно нашим
08
инструкциям:10overholder følgende standard(er) eller andet/andre retningsgivende dokument(er), forudsat at disse anvendes i henhold til vore
instrukser:11respektive utrustning är utförd i överensstämmelse med och följer följande standard(er) eller andra normgivande dokument, under
förutsättning att användning sker i överensstämmelse med våra instruktioner:12respektive utstyr er i overensstemmelse med følgende standard(er) eller andre normgivende dokument(er), under forutssetning av at
disse brukes i henhold til våre instrukser:13vastaavat seuraavien standardien ja muiden ohjeellisten dokumenttien vaatimuksia edellyttäen, että niitä käytetään ohjeidemme
mukaisesti:14za předpokladu, že jsou využívány v souladu s našimi pokyny, odpovídají následujícím normám nebo normativním dokumentům:15u skladu sa slijedećim standardom(ima) ili drugim normativnim dokumentom(ima), uz uvjet da se oni koriste u skladu s našim uputama:
Machinery 2006/42/EC
Low Voltage 2014/35/EU
Electromagnetic Compatibility 2014/30/EU
ob upoštevanju določb:20vastavalt nõuetele:21следвайки клаузите на:22laikantis nuostatų, pateikiamų:23ievērojot prasības, kas noteiktas:24održiavajúc ustanovenia:25bunun koşullarına uygun olarak:
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under iagttagelse af bestemmelserne i:11enligt villkoren i:12gitt i henhold til bestemmelsene i:13noudattaen määräyksiä:14za dodržení ustanovení předpisu:15prema odredbama:16követi a(z):17zgodnie z postanowieniami Dyrektyw:18în urma prevederilor:
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Shigeki Morita
Director
Ostend, 1st of April 2016
.
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CE - DECLARATION-OF-CONFORMITY
CE - KONFORMITÄTSERKLÄRUNG
CE - DECLARATION-DE-CONFORMITE
CE - CONFORMITEITSVERKLARING
declares under its sole responsibility that the air conditioning models to which this declaration relates:
erklärt auf seine alleinige Verantwortung daß die Modelle der Klimageräte für die diese Erklärung bestimmt ist:
déclare sous sa seule responsabilité que les appareils d'air conditionné visés par la présente déclaration:
verklaart hierbij op eigen exclusieve verantwoordelijkheid dat de airconditioning units waarop deze verklaring betrekking heeft:
declara baja su única responsabilidad que los modelos de aire acondicionado a los cuales hace referencia la declaración:
dichiara sotto sua responsabilità che i condizionatori modello a cui è riferita questa dichiarazione:
δηλώνει με αποκλειστική της ευθύνη ότι τα μοντέλα των κλιματιστικών συσκευών στα οποία αναφέρεται η παρούσα δήλωση:
declara sob sua exclusiva responsabilidade que os modelos de ar condicionado a que esta declaração se refere:
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d
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Daikin Europe N.V.
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ERQ100A7V1B*, ERQ125A7V1B*, ERQ140A7V1B*,
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are in conformity with the following standard(s) or other normative document(s), provided that these are used in accordance with our
instructions:02der/den folgenden Norm(en) oder einem anderen Normdokument oder -dokumenten entspricht/entsprechen, unter der Voraussetzung,
daß sie gemäß unseren Anweisungen eingesetzt werden:03sont conformes à la/aux norme(s) ou autre(s) document(s) normatif(s), pour autant qu'ils soient utilisés conformément à nos instructions:04conform de volgende norm(en) of één of meer andere bindende documenten zijn, op voorwaarde dat ze worden gebruikt overeenkomstig
* = , , 1, 2, 3, ..., 9
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με τις οδηγίες μας:
following the provisions of:02gemäß den Vorschriften der:03conformément aux stipulations des:04overeenkomstig de bepalingen van:05siguiendo las disposiciones de:06secondo le prescrizioni per:07με τήρηση των διατάξεων των:08de acordo com o previsto em:09в соответствии с положениями:
01
EN60335-2-40,
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Daikin Europe N.V. is authorised to compile the Technical Construction File.
Daikin Europe N.V. hat die Berechtigung die Technische Konstruktionsakte zusammenzustellen.
Daikin Europe N.V. est autorisé à compiler le Dossier de Construction Technique.
Daikin Europe N.V. is bevoegd om het Technisch Constructiedossier samen te stellen.
Daikin Europe N.V. está autorizado a compilar el Archivo de Construcción Técnica.
Daikin Europe N.V. è autorizzata a redigere il File Tecnico di Costruzione.
05 Nota *
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3PW40544-4J
ERQ100A7V1B
ERQ125A7V1B
ERQ140A7V1B
Inverter condensing unit
Installation manual
CONTENTS Page
1. Safety considerations................................................................ 1
2. Introduction................................................................................ 2
2.1. Combination ................................................................................... 2
2.2. Standard supplied accessories ...................................................... 3
2.3. Technical and electrical specifications ........................................... 3
3. Before installation...................................................................... 3
3.1. Precautions for R410A................................................................... 3
3.2. Installation ...................................................................................... 3
3.3. Handling......................................................................................... 3
4. Selecting installation site........................................................... 3
5. Precautions on installation......................................................... 4
5.1. Installation method for prevention of falling over ........................... 5
5.2. Method for removing transportation stay ....................................... 5
5.3. Method for installing drain piping ................................................... 5
6. Installation servicing space........................................................ 5
7. Refrigerant pipe size and allowable pipe length........................ 6
7.1. Selection of piping material............................................................ 6
8. Precautions on refrigerant piping............................................... 6
8.1. Cautions for brazing....................................................................... 7
8.2. Cautions for flare connection ......................................................... 7
9. Refrigerant piping...................................................................... 7
9.1. Preventing foreign objects from entering ....................................... 8
9.2. Cautions for handling stop valve.................................................... 8
9.3. How to use the stop valve.............................................................. 8
9.4. Cautions for handling the valve cover............................................ 8
9.5. Cautions for handling service port ................................................. 8
9.6. Precautions when connecting field piping and
regarding insulation........................................................................ 9
9.7. Leak test and vacuum drying ......................................................... 9
10. Additional refrigerant charge ..................................................... 9
10.1. Important information regarding the refrigerant used................... 10
10.2. 2 procedures for adding refrigerant...............................................11
11. Electrical wiring work ................................................................11
11.1. Internal wiring – Parts table .......................................................... 11
11.2. Precautions on electrical wiring work........................................... 12
11.3. Connection example of total system wiring.................................. 13
11.4. Connecting power wire and transmission wires ........................... 13
11.5. Power circuit and cable requirements.......................................... 13
12. Before operation ...................................................................... 15
12.1. Service precautions ..................................................................... 15
12.2. Checks before initial start-up ....................................................... 15
12.3. Field setting.................................................................................. 15
12.4. Test operation .............................................................................. 17
12.5. Checks in normal operation ......................................................... 18
12.6. Temperature adjustment operation confirmation.......................... 18
13. Service mode operation........................................................... 18
14. Caution for refrigerant leaks .................................................... 19
14.1. Introduction .................................................................................. 19
14.2. Maximum concentration level ...................................................... 19
14.3. Procedure for checking maximum concentration......................... 19
15. Disposal requirements............................................................. 19
Installation manual
1
READ THESE INSTRUCTIONS CAREFULLY BEFORE
INSTALLATION. KEEP THIS MANUAL IN A HANDY
PLACE FOR FUTURE REFERENCE.
IMPROPER INSTALLATION OR ATTACHMENT OF
EQUIPMENT OR ACCESSORIES COULD RESULT IN
ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR
OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY
TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE
SPECIFICALLY DESIGNED FOR USE WITH THE
EQUIPMENT AND HAVE THEM INSTALLED BY A
PROFESSIONAL.
DAIKIN EQUIPMENT IS DESIGNED FOR COMFORT
APPLICATIONS. FOR USE IN OTHER APPLICATIONS,
PLEASE CONTACT YOUR LOCAL DAIKIN DEALER.
IF UNSURE OF INSTALLATION PROCEDURES OR USE,
ALWAYS CONTACT YOUR DEALER FOR ADVICE AND
INFORMATION.
THIS AIR CONDITIONER COMES UNDER THE TERM
"APPLIANCES NOT ACCESSIBLE TO THE GENERAL
PUBLIC".
The English text is the original instruction. Other languages are
translations of the original instructions.
1. SAFETY CONSIDERATIONS
The precautions listed here are divided into the following two types.
Both cover very important topics, so be sure to follow them carefully.
WARNING
If the warning is not observed, it may cause serious casualties.
CAUTION
If the caution is not observed, it may cause injury or damage to the
equipment.
Warning
Ask your dealer or qualified personnel to carry out installation
work. Do not install the machine by yourself.
Improper installation may result in water leakage, electric shocks
or fire.
Perform installation work in accordance with this installation
manual.
Improper installation may lead to water leakage, electric shocks
or fire.
When a unit is installed in a small room, it is necessary to take
measures so that the leaked refrigerant amount does not
exceed the limit even if it leaks. As for the measures to prevent
the leak from not exceeding the limit, please consult with your
distributor.
If the leaked amount exceeds the limit, it may cause an oxygen
deficiency accident.
Be sure to use only the specified accessories and parts for
installation work.
Failure to use the specified parts may result in water leakage,
electric shocks, fire, or the unit falling.
Install the air conditioner on a foundation that can withstand its
weight.
Insufficient strength may result in the fall of equipment and
causing injury.
Carry out the specified installation work in consideration of
strong winds, typhoons, or earthquakes.
Improper installation work may result in accidents due to fall of
equipment.
ERQ100~140A7V1B
Inverter condensing unit
4PW51321-1B – 2018.04
Make certain that all electrical work is carried out by qualified
personnel according to the local laws and regulations and this
installation manual, using a separate circuit.
Insufficient capacity of the power supply circuit or improper
electrical construction may lead to electric shocks or fire.
Make sure that all wiring is secure, using the specified wires and
ensuring that external forces do not act on the terminal
connections or wires.
Incomplete connection or fixing may cause a fire.
When wiring between the air handling units and control box, and
wiring the power supply, form the wires so that the frontside
panel can be securely fastened.
If the frontside panel is not in place, overheat of the terminals,
electric shocks or a fire may be caused.
If refrigerant gas leaks during installation work, ventilate the area
immediately.
Toxic gas may be produced if refrigerant gas comes into contact
with fire.
After completing the installation work, check to make sure that
there is no leakage of refrigerant gas.
Toxic gas may be produced if refrigerant gas leaks into the room
and comes into contact with a source of fire, such as a fan
heater, stove or cooker.
Before touching electric terminal parts, turn off power switch.
Caution
Where flammable gases may leak, where carbon fiber or
ignitable dust is suspended in the air or where volatile
flammables, such as thinner or gasoline, are handled.
Such gases may cause a fire.
Where the air contains high levels of salt such as that near
the ocean.
Where voltage fluctuates a lot, such as that in factories.
In vehicles or vessels.
Where acidic or alkaline vapour is present.
Do not touch any refrigerant which has leaked out of refrigerant
piping connections.
This may result in frostbite.
Do NOT connect the system to DIII-net devices:
This could result in malfunction or breakdown of the total
system.
Ground the air conditioner.
Grounding resistance should be according to national
regulations
Do not connect the earth wire to gas or water pipes,
lightning conductor or telephone earth wire.
Incomplete grounding may cause electric shocks.
Gas pipe.
Ignition or explosion may occur if the gas leaks.
Water pipe.
Hard vinyl tubes are not effective grounds.
Lightning conductor or telephone ground wire.
Electric potential may rise abnormally if struck by a lightning
bolt.
Be sure to install an earth leakage breaker.
Failure to install an earth leakage breaker may cause electric
shocks or fire.
Install drain piping according to this installation manual to ensure
good drainage, and insulate the pipe to prevent condensation.
Improper drain piping may cause water leakage, and make the
furniture get wet.
Install the air handling and outdoor units, power wire and
connecting wire at least 1 meter away from televisions or radios
to prevent image interference or noise.
(Depending on the radio waves, a distance of 1 meter may not
be sufficient to eliminate the noise.)
Do not rinse the outdoor unit.
This may cause electric shocks or fire.
Do not install the air conditioner in places such as the following:
Where there is mist of mineral oil, oil spray or vapour for
example a kitchen.
Plastic parts may deteriorate, and cause them to fall out or
water to leak.
Where corrosive gas, such as sulfurous acid gas, is
produced.
Corrosion of copper pipes or soldered parts may cause the
refrigerant to leak.
Where there is machinery which emits electromagnetic
waves.
Electromagnetic waves may disturb the control system, and
cause malfunction of the equipment.
2. INTRODUCTION
2.1. Combination
The air handling units can be installed in the following range.
Always use appropriate air handling units compatible with
R410A.
To learn which models of air handling units are compatible with
R410A, refer to the product catalogs.
The manufacturer of this outdoor unit has limited responsibility
for total capacity of the system because performance is
determined by the total system. The discharge air may fluctuate
depending on selected air handling unit and depending on the
installation configuration.
Both air handling unit and digital controller software and
hardware are field supply and are to be selected by the installer.
Refer to the manual "Option kit for combination of Daikin
condensing units with field supplied evaporators" for more
details.
Recommended temperature setting on the field supplied
controller is between 16°C and 25°C.
ERQ100~140A7V1B
Inverter condensing unit
4PW51321-1B – 2018.04
Installation manual
2
2.2. Standard supplied accessories
3.3. Handling
Gas line piping (1)
Gas line piping (2)(*)
Gas line piping (3)(*)
Installation manual
Operation manual
Fluorinated greenhouse gases label 1
Multilingual fluorinated greenhouse
gases label
(*) Only for ERQ140.
(*)
+ copper gasket
1
1
1
1
1
1
+
Location of accessories: refer to figure 1.
1 Accessories
2.3. Technical and electrical specifications
Refer to the Engineering Data Book for the complete list of
specifications.
3. BEFORE INSTALLATION
Since design pressure is 4.0 MPa or 40 bar, pipes of larger
wall thickness may be required. Refer to paragraph
"7.1. Selection of piping material" on page 6.
3.1. Precautions for R410A
The refrigerant requires strict cautions for keeping the system
clean, dry and tight.
- Clean and dry
Foreign materials (including mineral oils or moisture) should be
prevented from getting mixed into the system.
- Tight
Read "8. Precautions on refrigerant piping" on page 6 carefully
and follow these procedures correctly.
Since R410A is a mixed refrigerant, the required additional
refrigerant must be charged in its liquid state. (If the refrigerant is
in state of gas, its composition changes and the system will not
work properly).
The connected air handling units must be air handling units
designed exclusively for R410A.
3.2. Installation
For installation of the air handling unit(s), refer to the air handling
unit installation manual.
Never operate the air conditioner with the discharge pipe
thermistor (R2T), suction pipe thermistor (R3T) and pressure
sensors (S1NPH, S1NPL) removed. Such operation may burn
out the compressor.
Be sure to confirm the model name and the serial no. of the
outer (front) plates when attaching/detaching the plates to avoid
mistakes.
When closing the service panels, take care that the tightening
torque does not exceed 4.1 N•m.
As shown in the figure, bring the unit slowly by grabbing the left and
right grips.
Place your hands on the corner instead of holding the suction inlet in
the side of the casing, otherwise the casing could be deformed.
Take care not to let hands or objects come in contact with
rear fins.
4. SELECTING INSTALLATION SITE
This is a class A product. In a domestic environment this product may
cause radio interference in which case the user may be required to
take adequate measures.
Make sure to provide for adequate measures in order
to prevent that the outdoor unit be used as a shelter
by small animals.
Small animals making contact with electrical parts can
cause malfunctions, smoke or fire. Please instruct the
customer to keep the area around the unit clean.
1 Select an installation site where the following conditions are
satisfied and that meets with your customer’s approval.
- Places which are well-ventilated.
- Places where the unit does not bother next-door neighbours.
- Safe places which can withstand the unit’s weight and
vibration and where the unit can be installed level.
- Places where there is no possibility of flammable gas or
product leak.
- Places where servicing space can be well ensured.
- Places where the air handling and outdoor units’ piping and
wiring lengths come within the allowable ranges.
- Places where water leaking from the unit cannot cause
damage to the location (e.g. in case of a blocked drain pipe).
- Places where the rain can be avoided as much as possible.
2 When installing the unit in a place exposed to strong wind, pay
special attention to the following.
Strong winds of 5 m/sec or more blowing against the outdoor
unit’s air outlet causes short circuit (suction of discharge air),
and this may have the following consequences:
- Deterioration of the operational capacity.
- Frequent frost acceleration in heating operation.
- Disruption of operation due to rise of high pressure.
- When a strong wind blows continuously on the face of the
unit, the fan can start rotating very fast until it breaks.
Refer to the figures for installation of this unit in a place where
the wind direction can be foreseen.
Installation manual
3
ERQ100~140A7V1B
Inverter condensing unit
4PW51321-1B – 2018.04
Turn the air outlet side toward the building’s wall, fence or
Make sure there is enough room to do the installation
1 Personal computer or radio
2 Fuse
3 Earth leakage breaker
4 Remote controller
5 Cool/heat selector
6 Air handling unit
7 Control box
8 Expansion valve kit
20
140
117
219
289
350
(345-355)
47
140620
614
423
A
B
C
screen.
Set the outlet side at a right angle to the direction of the wind.
Strong wind
Blown air Strong wind
The equipment described in this manual may cause
electronic noise generated from radio-frequency energy.
The equipment complies to specifications that are
designed to provide reasonable protection against such
interference. However, there is no guarantee that
interference will not occur in a particular installation.
It is therefore recommended to install the equipment and
electric wires keeping proper distances away from stereo
equipment, personal computers, etc... (See figure 2)
In places with weak reception, keep distances of 3 m or
more to avoid electromagnetic disturbance of other
equipment and use conduit tubes for power and
transmission lines.
5. PRECAUTIONS ON INSTALLATION
3 Prepare a water drainage channel around the foundation, to
drain waste water from around the unit.
4 If the water drainage of the unit is not easy, please build up the
unit on a foundation of concrete blocks, etc. (the height of the
foundation should be maximum 150 mm).
5 If you install the unit on a frame, please install a waterproof plate
within 150 mm of the underside of the unit in order to prevent the
invasion of water from the lower direction.
6 When installing the unit in a place frequently exposed to snow,
pay special attention to the following:
- Elevate the foundation as high as possible.
- Construct a large canopy (field supply).
- Remove the rear suction grille to prevent snow from
accumulating on the rear fins.
7 The outdoor unit may short circuit depending on its environment,
so use the louvers (field supply).
8 Do not install or operate the unit on locations where air contains
high levels of salt, like e.g. in the vicinity of oceans. (Refer for
further information to the engineering databook).
9 If you install the unit on a building frame,
please install a waterproof plate (within
150 mm of the underside of the unit) or
use a drain plug kit (option) in order to
avoid the drain water dripping.
Check the strength and level of the installation ground so that
the unit will not cause any operating vibration or noise after
installation.
In accordance with the foundation drawing in the figure, fix the
unit securely by means of the foundation bolts. (Prepare four
sets of M12 foundation bolts, nuts and washers each which are
available on the market.)
It is best to screw in the foundation bolts until their length are
20 mm from the foundation surface.
A Discharge side
B Bottom view (mm)
C Drain hole
10 The equipment is not intended for use in a potentially explosive
atmosphere.
ERQ100~140A7V1B
Inverter condensing unit
4PW51321-1B – 2018.04
Installation manual
4
5.1. Installation method for prevention of falling over
C
B
AA
E
E
B
A
B
D
C
C
B
B D
1000
A
A
If it is necessary to prevent the unit from falling over, install as shown
in the figure.
prepare all 4 wires as indicated in the drawing
unscrew the top plate at the 4 locations indicated A and B
put the screws through the nooses and screw them back tight
A location of the 2 fixation holes on the front side of the unit
B location of the 2 fixation holes on the rear side of the unit
C wires: field supply
5.2. Method for removing transportation stay
The yellow transportation stay installed over the compressor leg for
protecting the unit during transport must be removed. Proceed as
shown in figure 3 and described below.
A Compressor
B Fixing nut
C Transportation stay
1 Slightly loosen the fixing nut (B).
2 Remove the transportation stay (C) as shown in figure 3.
3 Tighten the fixing nut (B) again.
CAUTION
If the unit is operated with the transportation stay attached,
abnormal vibration or noise may be generated.
2 Connect a field supplied vinyl hose (internal diameter of 25 mm)
to the drain socket (A).
If the hose is too long and hangs down, fix it carefully to prevent
kinks.
NOTE
If drain holes of the outdoor unit are covered by a
mounting base or by floor surface, raise the unit in
order to provide a free space of more than 100 mm
under the outdoor unit.
6. INSTALLATION SERVICING SPACE
The connection piping outlet direction in the installation shown in
figure 4 is frontward or downward. The unit of numeric values is
mm.
When routing the piping backward, secure space of ≥250 mm on
the right side of the unit.
(A) In case of non-stacked installation (See figure 4)
Suction side obstacle
Discharge side obstacle
Left side obstacle
Right side obstacle
Top side obstacle
Obstacle is present
1 In these cases, close the
bottom of the installation
frame to prevent the
discharged air from
being bypassed
2 In these cases, only 2
units can be installed.
3 In these cases, no
restriction of height L1.
This situation is not
allowed
5.3. Method for installing drain piping
Depending on installation site, it may be required to install drain plug
for drainage (option kit).
In cold areas, do not use a drain hose with the outdoor unit.
Otherwise, drain water may freeze, impairing the heating
performance.
1 See figure below for installation of the drain plug.
A
C
A Drain socket
B Drain cap
C Drain receiver
Installation manual
D Insulation tape
E Drain stop
5
(B) In case of stacked installation
1. In case obstacles exist in front of the outlet side.
2. In case obstacles exist in front of the air inlet.
100
100
300
ERQ100~140A7V1B
Inverter condensing unit
4PW51321-1B – 2018.04
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