Mitsubishi Electric PUHZ-W HA series User manual

ASENNUSOPAS
Turvallisen ja asianmukaisen käytön varmistamiseksi lue tämä opas sekä sisäyksikön asennusopas huolellisesti
ennen ulkoyksikön asentamista. Alkuperäiskieli on englanti. Muut kieliversiot ovat alkuperäisen käännöksiä.
NÁVOD K MONTÁŽI
Kvůli zajištění bezpečného a správného používání si před montáží vnější jednotky pečlivěpřečtěte tento návod i
návod k montáži vnitřní jednotky. Verze v angličtiněje originál. Ostatní jazykové verze jsou překladem originálu.
INSTRUKCJA MONTAU
Aby zapewnićbezpieczne i prawidłowe korzystanie z urządzenia, przed montażem jednostki zewnętrznej należy dokładnie zapoznaćsięz treściąniniejszej instrukcji
oraz instrukcji montażu jednostki wewnętrznej. Oryginalnąinstrukcjęsporządzono w języku angielskim. Pozostałe wersje językowe zostały przetłumaczone z oryginału.
  
За безопасно иправилно използване, прочетете внимателно това ръководство иръководството за монтаж на вътрешното тяло,
преди да монтирате външното тяло. Версията на английски език еоригинал. Версиите на други езици са превод от оригинала.
MONTAJ ELKTABI
Emniyetli ve doğru kullanım için, dışüniteyi monte etmeden önce bu kılavuzu ve iç ünite montaj kılavuzunu tamamıyla
okuyun. Aslıİngilizce’dir. Diğer dillerdeki sürümler aslının çevirisidir.
  
Для обеспечения безопасной инадлежащей эксплуатации внимательно прочтите данное руководство ируководство по установке внутреннего
прибора перед установкой наружного прибора. Языком оригинала является английский. Версии на других языках являются переводом оригинала.
INSTALLATION MANUAL
For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing
the outdoor unit. English is original. The other languages versions are translation of the original.
INSTALLATIONSHANDBUCH
Aus Sicherheitsgründen und zur richtigen Verwendung vor der Installation der Außenanlage das vorliegende Handbuch und die Installationsanleitung
der Innenanlage gründlich durchlesen. Das Original ist in Englisch. Die anderen Sprachversionen sind vom Original übersetzt.
MANUEL D’INSTALLATION
Avant d’installer l’appareil extérieur, lire attentivement ce manuel, ainsi que le manuel d’installation de l’appareil intérieur pour une
utilisation sûre et correcte. L’anglais est l’original. Les versions fournies dans d’autres langues sont des traductions de l’original.
INSTALLATIEHANDLEIDING
Lees voor een veilig en juist gebruik deze handleiding en de installatiehandleiding van het binnenapparaat zorgvuldig door voordat u
met het installeren van het buitenapparaat begint. Het Engels is het origineel. De andere taalversies zijn vertalingen van het origineel.
MANUAL DE INSTALACIÓN
Para un uso correcto y seguro, lea detalladamente este manual y el manual de instalación de la unidad interior antes de instalar la
unidad exterior. El idioma original del documento es el inglés. Las versiones en los demás idiomas son traducciones del original.
MANUALE DI INSTALLAZIONE
Per un uso sicuro e corretto, leggere attentamente il presente manuale ed il manuale d’installazione dell’unità interna prima di installare
l’unità esterna. Il testo originale è redatto in lingua Inglese. Le altre versioni linguistiche rappresentano traduzioni dell’originale.
MANUAL DE INSTALAÇÃO
Para uma utilização segura e correcta, leia atentamente este manual e o manual de instalação da unidade interior antes de instalar
a unidade exterior. O idioma original é o inglês. As versões em outros idiomas são traduções do idioma original.
INSTALLATIONSMANUAL
Læs af sikkerhedshensyn denne manual samt manualen til installation af indendørsenheden grundigt, før du in-
stallerer udendørsenheden. Engelsk er originalsproget. De andre sprogversioner er oversættelser af originalen.
INSTALLATIONSMANUAL
Läs bruksanvisningen och inomhusenhetens installationshandbok noga innan du installerar utomhusenhet för säker
och korrekt användning. Engelska är originalspråket. De övriga språkversionerna är översättningar av originalet.
Türkçe

English
Deutsch
Français
Nederlands
Español
Italiano
E
Português
Dansk
Svenska
INSTALLASJONSHÅNDBOK
For å sikre trygg og riktig bruk skal denne håndboken samt installasjonshåndboken for innendørsenheten leses grundig
igjennom før enheten installeres. Engelsk er originalspråket. De andre språkversjonene er oversettelser av originalen.
Norsk
Suomi
eština
Polski

EEIPIIO OHIN EKATATAH
Για σωστή και ασφαλή χρήση, διαβάστε προσεκτικά αυτό το εγχειρίδιο καθώς και το εγχειρίδιο εγκατάστασης της εσωτερικής μονάδας, προτού εγκατα-
στήσετε την εξωτερική μονάδα. Ηγλώσσα του πρωτοτύπου είναι ηαγγλική. Οι εκδόσεις άλλων γλωσσών είναι μεταφράσεις του πρωτοτύπου.
TIL INSTALLATØREN
FÖR INSTALLATÖREN
PARA O INSTALADOR
PER L’INSTALLATORE
PARA EL INSTALADOR
VOOR DE INSTALLATEUR
POUR L’INSTALLATEUR
FÜR INSTALLATEURE
FOR INSTALLER
FOR MONTØR
ASENTAJALLE
DLA INSTALATORA
PRO MONTÉRA
 
     
 
MONTÖR ÇN
Air to Water Heat Pump
      
PUHZ-W • HA series / PUHZ-HW • HA series

2
Contents
1. Safety precautions
 Before installing the unit, make sure you read all the “Safety precau-
tions”.
After installation, perform the test run to ensure normal operation. Then explain to
your customer the “Safety Precautions,” use, and maintenance of the unit based
on the information in the Operation Manual. Both the Installation Manual and the
Operation Manual must be given to the user. These manuals must always be kept
by the actual users.
: Indicates a part which must be grounded.
Warning:
Carefully read the labels attached to the unit.
Warning:
Precautions that must be observed to prevent injuries or death.
Caution:
Precautions that must be observed to prevent damages to the unit.
1. Safety precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Installation location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Installation procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. Drainage piping work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5. Water piping work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6. Electrical work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Warning:
• The unit must not be installed by the user. Ask an installer or an authorized
technician to install the unit. If the unit is installed improperly, water leak-
age, electric shock, or fire may be caused.
• The unit must be installed according to the instructions in order to minimize
the risk of damages by earthquakes, typhoons, or strong winds. An improp-
erly installed unit may fall down and cause damages or injuries.
• The unit must be securely installed on a structure that can sustain its
weight. If the unit is mounted on an unstable structure, it may fall down and
cause damages or injuries.
• If the air to water heat pump is installed in an enclosed area, measures must
be taken to prevent the refrigerant concentration in the room in the event
of refrigerant leakage. Consult an installer regarding the appropriate meas-
ures. Should the refrigerant leak and cause the concentration oxygen in the
room may lack.
• All electric work must be performed by a qualified technician according to
local regulations and the instructions given in this manual. The units must
be powered by dedicated power lines and the correct voltage and circuit
breakers must be used. Power lines with insufficient capacity or incorrect
electrical work may result in electric shock or fire.
• Use only specified cables for wiring. The wiring connections must be made
securely with no tension applied on the terminal connections. Also, never
splice the cables for wiring (unless otherwise indicated in this document).
Failure to observe these instructions may result in overheating or a fire.
• Terminal block cover panel of the outdoor unit must be firmly fixed. If the
cover panel is mounted improperly, dust and moisture may enter the unit,
and it may cause electric shock or fire.
•
When installing or moving the air to water heat pump, make sure to use the
specified refrigerant (R410A) to charge the refrigerant lines. Do not either mix it
with any other refrigerant or allow air to remain within the pipes. Air enclosed in
the pipes can cause pressure peaks resulting in a rupture and other hazards.
• Make sure to use accessories authorized by Mitsubishi Electric and ask
an installer or an authorized technician to install them. If accessories are
improperly installed, it may cause water leakage, electric shock, or fire.
• Do not remodel the unit. Consult an installer for repairs. If alterations or
repairs are not performed correctly, it may cause water leakage, electric
shock, or fire.
• The user should never attempt to repair the unit or transfer it to another
location. If the unit is installed improperly, it may cause water leakage, elec-
tric shock, or fire. If the air to water heat pump needs to be repaired or
moved, ask an installer or an authorized technician.
•
After installation has been completed, make sure that refrigerant does not
leak. If refrigerant leaks into the room and comes into contact with the flame
of a heater or portable cooking range, poisonous gases will be released.
• Use clean enough water which meets water quality standards. The dete-
rioration of water quality may result in the system breakdown or the water
leakage.
• Never use anything other than water as a medium. It may cause a fire or an
explosion.
• Do not directly use heated or cooled water that is produced by the air to wa-
ter heat pump as drinking and cooking water, or swimming pool. There is a
risk to damage your health. There is also a risk that installing the water heat
exchanger may corrode if the necessary water quality for the air to water
heat pump system cannot be maintained. If you wish to use the heated or
cooled water from the heat pump for these purposes, take measure such as
to isolate the second heat exchanger within the water piping system.
• When installing or relocating, or servicing the air conditioner, use only the
specified refrigerant (R410A) to charge the refrigerant lines. Do not mix it
with any other refrigerant and do not allow air to remain in the lines.
If air is mixed with the refrigerant, then it can be the cause of abnormal high
pressure in the refrigerant line, and may result in an explosion and other
hazards.
The use of any refrigerant other than that specified for the system will cause
mechanical failure or system malfunction or unit breakdown. In the worst
case, this could lead to a serious impediment to securing product safety.
1.1. Before installation
Caution:
• Do not use the unit in an unusual environment. If the air to water heat pump
is installed exposed to steam, volatile oil (including machine oil), or sulfuric
gas, or exposed to briny air, or covered with snow, the performance can be
significantly reduced and the internal parts can be damaged.
• Do not install the unit where combustible gases may leak, be produced,
flow, or accumulate. If combustible gas accumulates around the unit, it may
cause fire or explosion.
• The outdoor unit produces condensate during the heating operation. Make
sure to provide drainage around the outdoor unit if such condensate is
likely to cause damage.
• When installing the unit in a hospital or in a building where communication
equipment is installed, you may need to take measures to reduce noise and
electronic interference. Inverters, home appliances, high-frequency medical
equipment, and radio communications equipment can cause the air to water
heat pump to malfunction or to breakdown. At the same time, the noise and
electronic interference from the air to water heat pump unit may disturb the
proper operation of medical equipment, and communications equipment.
Note: This symbol mark is for EU countries only.
This symbol mark is according to the directive 2012/19/EU Article 14 Information for users and Annex IX.
Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be recycled and reused.
This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste.
Please, dispose of this equipment at your local community waste collection/recycling centre.
In the European Union there are separate collection systems for used electrical and electronic product.
Please, help us to conserve the environment we live in!
Caution:
• Do not vent R410A into the Atmosphere:
7. Test run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
8. Special functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
9. System control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
10. Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
11. Serial number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

B
330+30
A
C
600
370
Models A (mm) B (mm) C (mm)
50 740 950 175
85 943 950 175
112 1350 1020 210
140 1350 1020 210
3
1. Safety precautions
2. Installation location
Fig. 2-1
2.1. Choosing the outdoor unit installation location
• Avoid locations where the unit is exposed to direct sunlight or other sources of
heat.
• Select a location where noise emitted by the unit does not disturb neighbors.
• Select a location where easy wiring and pipe access to the power source is avail-
able.
• Avoid locations where combustible gases may leak, be produced, flow, or accu-
mulate.
• Note that condensate water may be produced by the unit during operation.
• Select a level location that can bear the weight and vibration of the unit.
• Avoid locations where the unit can be covered with snow. In areas where heavy
snow fall is anticipated, special precautions must be taken to prevent the snow
from blocking the air intake such as to install the unit at higher position or installing
a hood on the air intake. This can reduce the airflow and the unit may not operate
properly.
• Avoid locations where the unit is exposed to oil, steam, or sulfuric gas.
• Make sure to hold the handles to transport the unit. Do not hold the base of the
unit, as there is a risk that hands or fingers may be pinched.
2.2. Outline dimensions (Outdoor unit) (Fig. 2-1)
1.2. Before installation (relocation)
Caution:
• Be fully careful when moving the units. The unit must be carried by at least
2 people, as it weighs 20 kg or more. Do not hold the packaging bands. Wear
protective gloves to unpack and to move or install it, in order to avoid your
hands being injured by fins or the edge of other parts.
• Be sure to safely dispose of the packaging materials. Packaging materials,
such as nails and other metal or wooden parts may cause injuries.
• The base of the outdoor unit must be periodically checked to ensure it is not
loose, cracked or damaged. If such defects are left untreated, the unit may
fall down and cause damage or injuries.
• Do not wash the air to water heat pump unit. You may receive an electric
shock.
1.3. Before electric work
Caution:
• Be sure to install a circuit breaker. If it is not installed, there may be a risk of
an electric shock.
• For the power lines, use standard cables of sufficient capacity. Otherwise,
it may cause a short circuit, overheating, or fire.
• When installing the power lines, do not apply tension to the cables. The
cables may be cut or overheated resulting in a fire.
• Make sure to ground the unit. Do not connect the ground wire to gas or
water pipes, lightning rods, or telephone grounding lines. If the unit is not
properly grounded, there may be a risk to get an electric shock.
• Make sure to use circuit breakers (ground fault interrupter, isolating switch
(+B fuse), and molded case circuit breaker) with the specified capacity. If
the circuit breaker capacity is larger than the specified capacity, breakdown
or fire may result.
1.4. Before starting the test run
Caution:
• Turn on the main power switch more than 12 hours before starting opera-
tion. Starting operation immediately after turning on the power switch can
severely damage the internal parts. Keep the main power switch turned on
during the operating period.
• Before starting operation, check that all panels, guards and other protective
parts are correctly installed. Make sure not to get injured by touching rotat-
ing, hot, or high voltage parts.
• Do not touch any switch with wet hands. There may be a risk of an electric
shock.
• Do not touch the refrigerant pipes with bare hands while unit is running.
The refrigerant pipes can be hot or cold depending on the condition of the
flowing refrigerant. There may be a risk to get burn or frostbite.
• After stopping operation, make sure to wait at least five minutes before
turning off the main power. Otherwise, it may cause water leakage or break-
down.
1.5. Using R410A refrigerant air to water heat pump
Caution:
• Use only R410A refrigerant. If another refrigerant is used, the chlorine will
let the oil deteriorate.
• Use the following tools specifically designed for R410A refrigerant use.
Contact your nearest installer for further details.
Tools (for R410A)
Gauge manifold Charge hose
Gas leak detector Vacuum pump adapter
Torque wrench Electronic refrigerant charging scale
• Be sure to use the proper tools. If dust, debris, or moisture enters the refrig-
erant pipes, the refrigeration oil may deteriorate.
• Do not use a charging cylinder. If a charging cylinder is used, the composi-
tion of the refrigerant may change and the efficiency will be worsened.
(mm)









600 600
175
(210) 175 (210)
950(1020)
25 330
370


4
2. Installation location
Fig. 2-3
Fig. 2-2
Fig. 2-4
Fig. 3-1
3. Installation procedures
• Be sure to install the unit in a solid, level surface to prevent rattling noises during
operation. (Fig. 3-1)
<Foundation specifications>
Foundation bolt M10 (3/8")
Thickness of concrete 120 mm
Length of bolt 70 mm
Weight-bearing capacity 320 kg
• Make sure that the length of the foundation bolt is within 30 mm from the surface
of the base.
• Secure the base of the unit firmly with 4 M10 foundation bolts in solid locations.
Installing the outdoor unit
• Do not block the vent. If the vent is blocked, operation will be hindered and the unit
may breakdown.
• If the additional fixation of the unit is necessary, use the installation holes on the
back of the unit to attach wires, etc. with self-tapping screws (ø5 × 15 mm or less).
Warning:
• The unit must be securely installed on a structure that can sustain its weight.
If the unit is mounted on an unstable structure, it may fall down and cause
damage or injuries.
• The unit must be installed according to the instructions in order to minimize
the risk of damage by earthquakes, typhoons, or strong winds. An improp-
erly installed unit may fall down and cause damage or injuries.
* Figures in parentheses are for 112/140 unit types.
(mm)
2.3. Windy location installation
When installing the outdoor unit on a rooftop or other location where the unit is
exposed to strong wind, do not face the air outlet of the unit directly into the winds.
Strong wind entering the air outlet may impede the normal airflow and it may result
in a malfunction.
The following shows three examples of precautions against strong winds.
1Face the air outlet towards the nearest available wall keeping about 50 cm dis-
tance. (Fig. 2-2)
2Install an optional air guide if the unit is installed in a location where strong winds
such as a typhoon, etc. may directly blow to the air outlet. (Fig. 2-3)
AAir guide
3Position the unit so that the outlet air can blow at right angle to the seasonal wind
direction, if possible. (Fig. 2-4)
BWind direction
AM10 (3/8") bolt
BBase
CAs long as possible
DVent
ESet deep in the ground
FMax.30
GMin.360 (430)
HMin.10
2.4. NECESSARY SPACE TO INSTALL
2.4.1. When installing a single outdoor unit (Refer to the last page)
Minimum dimensions are as follows, except for Max., meaning Maximum dimen-
sions, indicated.
The figures in parentheses are for 112/140 models.
Refer to the figures for each case.
1Obstacles at rear only (Fig. 2-5)
2Obstacles at rear and above only (Fig. 2-6)
• Do not install the optional air outlet guides for upward airflow.
3Obstacles at rear and sides only (Fig. 2-7)
4Obstacles at front only (Fig. 2-8)
* When using an optional air outlet guide, the clearance for 112/140 models is 500 mm or
more.
5Obstacles at front and rear only (Fig. 2-9)
* When using an optional air outlet guide, the clearance for 112/140 models is 500 mm or
more.
6Obstacles at rear, sides, and above only (Fig. 2-10)
• Do not install the optional air outlet guides for upward airflow.
2.4.2. When installing multiple outdoor units (Refer to the last page)
Leave 10 mm space or more between the units.
The figures in parentheses are for 112/140 models.
Refer to the figures for each case.
1Obstacles at rear only (Fig. 2-11)
2Obstacles at rear and above only (Fig. 2-12)
• No more than 3 units must be installed side by side. In addition, leave space as shown.
• Do not install the optional air outlet guides for upward airflow.
3Obstacles at front only (Fig. 2-13)
* When using an optional air outlet guide, the clearance for 112/140 models is 1000 mm or
more.
4Obstacles at front and rear only (Fig. 2-14)
* When using an optional air outlet guide, the clearance for 112/140 models is 1000 mm or
more.
5Single parallel unit arrangement (Fig. 2-15)
* When using an optional air outlet guide installed for upward airflow, the clearance is 500
(1000) mm or more.
6Multiple parallel unit arrangement (Fig. 2-16)
* When using an optional air outlet guide installed for upward airflow, the clearance is 1000
(1500) mm or more.
7Stacked unit arrangement (Fig. 2-17)
• The units can be stacked up to 2 units high.
• No more than 2 stacked units must be installed side by side. In addition, leave space as
shown.



LN S1 S2 S3
A
B
C
E
D
F
F
■50-140V (Single phase)
■
112-140Y (3
phase)
L1 L2 L3 N S1 S2 S3
F
F
DService panel
EWire the cables so that they do
not contact the center of the
service panel.
F Earth terminal
AEarth terminal
BTerminal block
CClamp
5
4. Drainage piping work
5. Water piping work
Outdoor unit pipe connection
When drain piping is necessary, use the drain socket or the drain pan (option).
Fig. 5-1
Fig. 6-1
Fig. 6-2
AIndoor unit
BOutdoor unit
CRemote controller
DMain switch (Earth leakage breaker)
EEarth
Optional parts name Model name
Drain socket PAC-SG61DS-E
Drain pan for 50/85 PAC-SG64DP-E
*There is no optional drain pan for 112/140.
*The drain socket is applicable only to W50, W85 and W112 and not compatible with
HW112 and HW140.
Caution:
Be sure to install N-Line. Without N-Line, it could cause damage to unit.
6. Electrical work
6.1. Outdoor unit (Fig. 6-1, Fig. 6-2)
1Remove the service panel.
2Wire the cables referring to the Fig. 6-1 and the Fig. 6-2.
5.1. Water piping connection (Fig. 5-1)
• Connect the water pipes to the outlet and inlet pipes.
(Parallel male screw for 1-inch water pipe (ISO 228/1-G1B))
• Inlet and outlet pipes position is shown on the Fig. 5-1.
• Install the hydraulic filter at the water intake.
• Maximum allowable torque at the water piping connection is 50 N•m.
• Check if water leaks after installation.
• Inlet water gauge pressure must be between 0-0.3 MPa.
• Use the inlet water with a temperature lower than 55 ˚C.
Note :
• The water velocity in pipes should be kept within certain limits of material to
avoid erosion, corrosion and excessive noise generation.
Be aware, and take care of, that local velocities in small pipes, bends and
similar obstructions can exceed the values above.
e.g.) Copper : 1.5 m/s
• When connecting metal pipes made of different materials, be sure to insulate
the joint to prevent electrolytic etching.
• Set up a field system so that the inlet water temperature and water flow rate
can be within the allowable range specified in our technical data, etc.
If the unit is used out of the allowable range, the parts of unit might be damaged.
5.2. Water quality condition
• The water in a system should be clean and with a pH value of 6.5-8.0.
• The followings are the maximum values;
Calcium : 100 mg/L
Chlorine : 100 mg/L
Iron/manganese : 0.5 mg/L
[Fig. 5-1]
AWater outlet
BWater inlet
Note : Make sure to perform the frozen prevention measure for water pipe
system. (Water piping insulation, back-up pump system, using of a cer-
tain % ethylene glycol instead of normal water)
Insulate the water piping properly. The performance can be poor if the
insulation is insufficient.
Warning:
As the outlet water temperature can reach 60 ºC at maximum, do not touch the
water piping directly with a bare hand.
Model Minimum water quantity (L)
W50 29
W85 37
W112 48
HW112 48
HW140 60
5.3. Minimum water quantity
Following water quantity is required in the water circuit.
For Power

S1
S2
S3
S1
S2
S3
6
6. Electrical work
6.2. Field electrical wiring
Outdoor unit model 50V 85V 112V 140V 112Y, 140Y
Outdoor unit power supply ~/N (single),
50 Hz, 230 V
~/N (single),
50 Hz, 230 V
~/N (single),
50 Hz, 230 V
~/N (single),
50 Hz, 230 V
3N~ (3 phase),
50 Hz, 400 V
Outdoor unit Circuit Breaker capacity *1 16 A 25 A 32 A 40 A 16 A
Wiring
Wire No. ×
size (mm²)
Outdoor unit power supply, earth 3 × Min. 1.5 3 × Min. 4 3 × Min. 4 3 × Min. 6 5 × Min. 1.5
Indoor unit-Outdoor unit *2 3 × 1.5 (polar) 3 × 1.5 (polar) 3 × 1.5 (polar) 3 × 1.5 (polar) 3 × 1.5 (polar)
Indoor unit-Outdoor unit earth *2 1 × Min. 1.5 1 × Min. 1.5 1 × Min. 1.5 1 × Min. 1.5 1 × Min. 1.5
Remote controller-Indoor unit 2 × 0.3 (Non-polar) 2 × 0.3 (Non-polar) 2 × 0.3 (Non-polar) 2 × 0.3 (Non-polar) 2 × 0.3 (Non-polar)
Circuit rating
Outdoor unit L-N (single)
Outdoor unit L1-N, L2-N, L3-N (3 phase) *3 230 VAC 230 VAC 230 VAC 230 VAC 230 VAC
Indoor unit-Outdoor unit S1-S2 *3 230 VAC 230 VAC 230 VAC 230 VAC 230 VAC
Indoor unit-Outdoor unit S2-S3 *3 24 VDC 24 VDC 24 VDC 24 VDC 24 VDC
Remote controller-Indoor unit *3 12 VDC 12 VDC 12 VDC 12 VDC 12 VDC
*1.A breaker with at least 3.0 mm contact separation in each poles shall be provided. Use earth leakage breaker (NV).
Make sure that the current leakage breaker is one compatible with higher harmonics.
Always use a current leakage breaker that is compatible with higher harmonics as this unit is equipped with an inverter.
The use of an inadequate breaker can cause the incorrect operation of inverter.
*2.Max. 80 m
*3.The figures are NOT always against the ground.
S3 terminal has 24 VDC against S2 terminal. However between S3 and S1, these terminals are NOT electrically insulated by the transformer or other device.
Notes: 1. Wiring size must comply with the applicable local and national codes.
2.
Power supply cables and the cables between indoor unit and outdoor unit shall not be lighter than polychloroprene sheathed flexible cables. (Design
60245 IEC 57
)
3. Be sure to connect the cables between
indoor unit and outdoor unit directly to the units (no intermediate connections are allowed).
Intermediate connections may result in communication errors. If water enters at the intermediate connection point, it may cause insufficient insulation
to ground or a poor electrical contact .
(If an intermediate connection is necessary, be sure to take measures to prevent water from entering the cables.)
4. Install an earth longer than other cables.
5. Do not construct a system with a power supply that is turned ON and OFF frequently.
Warning:
In case of A-control wiring, there is high voltage potential on the S3 terminal caused by electrical circuit design that has no electrical insulation between power
line and communication signal line. Therefore, please turn off the main power supply when servicing. And do not touch the S1, S2, S3 terminals when the power
is energized. If isolator should be used between indoor unit and outdoor unit, please use 3-pole type.
Outdoor Unit
3 poles isolator
Power
supply
Isolator
Indoor Unit
Never splice the power cable or the indoor-outdoor connection cable, otherwise it may result in a smoke, a fire or communication failure.




SW1 CNDM




7
8. Special functions
8.1. Low noise mode (on-site modification) (Fig. 8-1)
The low noise mode will be activated when a commercially available timer or the
contact input of an ON/OFF switch is added to the CNDM connector (option) on the
control board of the outdoor unit.
1Complete the circuit as shown when using the external input adapter
(PAC-SC36NA-E). (Option)
2SW1 ON: Low noise mode
SW1 OFF: Normal operation
Note:
• The ability varies according to the outdoor temperature and conditions, etc.
• When the ambient temperature is high, this function may not work.
ACircuit diagram example
(low noise mode)
BOn-site arrangement
CExternal input adapter
(PAC-SC36NA-E)
DOutdoor unit control board
EMax. 10 m
FRed
GBrown
HOrange
Fig. 8-1
7. Test run
Before test run
 After installation works are completed, check if there is no refrigerant leak-
age, no looseness in the power supply or control wiring, no wrong polarity,
and no disconnection of one phase in the supply.
 Use a 500-volt megohmmeter to check that the resistance between the pow-
er supply terminals and ground is at least 1 M".
Warning:
Do not use the air to water heat pump if the insulation resistance is less than
1 M".
Insulation resistance
When installed the power source to the unit has been cut for an extended period,
the insulation resistance may drop below 1 M
" due to the accumulation of refrigerant
within the compressor. This is not a malfunction. Perform the following procedures.
1. Remove the wires from the compressor and measure the insulation resistance of
the compressor.
2. If the insulation resistance is below 1 M
" , the compressor may be faulty or simply
the accumulation of refrigerant in the compressor makes the resistance drop.
3. After connecting the wires to the compressor, the compressor starts to warm up
once power is supplied. After supplying power for the times indicated below, re-
move the wires from the compressor and measure the insulation resistance again.
• The insulation resistance drops due to the accumulation of refrigerant in the
compressor. The resistance will rise above 1 M
" after the compressor is warmed
up for 4 hours.
(The necessary time to warm up the compressor varies according to atmos-
pheric conditions and refrigerant accumulation.)
• If the refrigerant accumulates within the compressor, the compressor must be
warmed up at least 12 hours before starting the operation to prevent breakdown.
4. If the insulation resistance rises above 1 M
" , the compressor is not faulty.
Caution:
• The compressor does not operate if the power supply phase connection is
incorrect.
• Turn on the power at least 12 hours before starting operation.
- Starting operation immediately after turning on the main power switch can result
in severe damage to internal parts. Keep the power switch turned on during the
operating period.
Note : Occasionally, vapor that is made by the defrost operation may seem as
if smoke come up from the outdoor unit.
Note:
a) Up to 6 units can be connected.
b) Select one single model for all units.
c) SW7 Setting are applicable to the following models.
PUHZ-W50VHA2
PUHZ-W85VHA2
PUHZ-W112VHA
PUHZ-HW112/140YHA2
PUHZ-HW140VHA2
d) For Dip switch settings for indoor unit, refer to the indoor unit’s
installation manual.
9. System control
Set the refrigerant address using the Dip switch of the outdoor unit.
SW7 Function Setting
SW7 Setting Refrigerant
address SW7 Setting Refrigerant
address
ON
OFF 34567
00 ON
OFF 34567
03
ON
OFF 34567
01 ON
OFF 34567
04
ON
OFF 34567
02 ON
OFF 34567
05
10. Specifications
W50VHA(2) W85VHA(2) W112VHA HW112YHA(2) HW140Y/VHA(2)
Sound Level (Measured under rated operating frequency.)
SPL Heating dB(A) 46 48 53 53 53
Cooling dB(A) 45 48 53 53 53
PWL Heating dB(A) 61 66 69 67 67

8
11. Serial number
The serial number is indicated on the SPEC NAME PLATE.
Sequential number for each unit: 00001–99999
Month of manufacture: 4, 5, 6, 7, 8, 9, X (10), Y (11), Z (12), 1, 2, 3
Year of manufacture (western calendar) : 2014 →4, 2015 →5
U (outdoor unit)
• W50, 112
HW112, 140
Sequential number for each unit: 00001–99999
Month of manufacture: A (1), B (2), C (3), D (4), E (5), F (6), G (7), H (8), J (9), K (10), L (11), M (12)
Year of manufacture (western calendar) : 2014 →4, 2015 →5
• W85

70

1. Меры предосторожности . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
2. Место установки . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
3. Процедура установки . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
4. Дренажные трубы . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
5. Прокладка водопроводных труб . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
6. Электрические работы . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
7. Выполнение испытания . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
8. Специальная функция . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
9. Управление системой. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
10. Спецификации. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
11. Серийный номер . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
1.  
   ,     “ -
”.
После установки выполните тестовый прогон, чтобы убедиться внормальном
функционировании. После этого объясните Вашему покупателю раздел “Меры
предосторожности”, как использовать иобслуживать прибор на основании
информации, приведенной вруководстве по эксплуатации. Пользователю
необходимо передать как Руководство по установке, так иРуководство по
эксплуатации. Эти руководства обязательно должны быть переданы факти-
ческим пользователям.
: Указывает, что данная часть должна быть заземлена.
:
      .
:
•     .  
     
 .    
    ,     -
 .
•      ,  -
     ,  
  .    
     .
•      ,  -
  . ,    ,
      .
•         -
  ,    
      -
.      -
  .    
   .
•      -
     -
,   .  
     
    -
.     
      
    .
•
    . ,   -
 ,    .   -
   (     ). -
       .
•        
.    ,   -
  ,     
   .
•         -
       (R410A)
   .     
       -
.      
,       
.
•     ,  
   Mitsubishi Electric;    -
     .
    
  ,     -
 .
•    .   
 .      -
,     ,  
   .
•        -
    .    ,
    ,    
 .      -
      , -
     .
•       .
       
     , -
  .
•    ,   -
  .      
    .
•       -, -
  .      .
•      ,  -
   ,    -
       .
    .    
       
   ,    
  .    -
    ,    
      , 
    , , -
  .
•    ,    -
     (R410A)  -
  .      
     .
      ,
       -
.
  ,     
,   ,   -
,     .  ,  
     
 .
1.1.  
:
•      . -
        ,
  ,   ( 
)   ,   -
  (,   ),  ,   
 ,     -
       .
•    ,   , -
,     .    
  ,    
  .
:
  ,   
    .
:
  ,   
 .
•        -
 . ,     -
  ,      -
 .
•          -
   .   ,
 ,  ,  
      -
         
.       
       -
    .
:
•   R410A :

B
330+30
A
C
600
370
71
1.2.   ()
:
•      . -
   2   ,   
  20 .      .  -
        
 ,      
  .
•     . -
 , ,     
 ,      .
•      
       -
,     .   -
  ,    
   .
•         
 .      .
1.  
1.3.   
:
•    . 
    .
•     , -
   .    -
  ,   .
•        .
  ,     -
,       .
•   .    
   ,   
 .    
   .
•    (   
,  (  +B) 
)   .    -
  ,  ,  
  .
1.4.   
:
•
     ,   12  
 .      
     .   -
      .
•    ,   ,   -
   . ,   -
      .
•       .  -
    .
•         -
 .      
      -
.       -
.
•        
      . 
       .
1.5.   R410A 
    
 
:
•    R410A.   -
     .
•   ,  -
    R410A.   -
   .
Инструменты (для R410A)
Набор шаблонов Шланг зарядки
Детектор утечки газа Адаптер вакуумного насоса
Ключ срегулируемым усилием
Электронный измеритель зарядки хладагента
•    .  ,
       -
   .
•     .    -
      -
  .
2.  
2.1.     
• Не устанавливайте прибор вместах, подверженных воздействию прямых
солнечных лучей или других источников нагрева.
• Выберите такое размещение, чтобы шум при работе прибора не беспокоил
окружающих.
• Выберите место, удобное для проведения кабелей итрубопроводов кис-
точнику питания ивнутреннему прибору.
• Не устанавливайте прибор вместах, где возможна утечка, возникновение,
приток или накопление горючих газов.
•
Примите во внимание, что во время работы прибора из него может капать вода.
• Выберите место, способное выдержать вес ивибрацию прибора.
•
Не устанавливайте прибор вместах, где он может быть засыпан снегом. Втех ре-
гионах, где возможны сильные снегопады, требуется принять специальные меры
предосторожности (например, разместить прибор повыше или смонтировать на
воздухозаборнике козырек) сцелью предотвращения закупорки воздухозаборника
снегом или прямого воздействия ветра. Впротивном случае возможно уменьше-
ние потока воздуха, что может привести ксбою.
• Не устанавливайте прибор вместах, подверженных влиянию летучих ма-
сел, пара или сернистых испарений.
• Для транспортировки наружного прибора используйте четыре ручки, распо-
ложенные на приборе слева, справа, спереди исзади. При переносе при-
бора за нижнюю часть можно придавить руки или пальцы.
2.2.   ( ) (Fig. 2-1)
(мм)
Модели A(MM) B(MM) C(MM)
50 740 950 175
85 943 950 175
112 1350 1020 210
140 1350 1020 210
Fig. 2-1