Air to Water Heat Pump PUHZ-W85VHA INSTALLATION MANUAL English

Air to Water Heat Pump
PUHZ-W85VHA
INSTALLATION MANUAL
FOR INSTALLER
For safe and correct use, read this manual as well as the indoor unit installation manual thoroughly before
installing the unit.
INSTALLATIONSHANDBUCH
FÜR INSTALLATEURE
Aus Sicherheitsgründen und zur richtigen Verwendung vor der Installation die vorliegende
Bedienungsanleitung und die Installationsanleitung der Innenanlage gründlich durchlesen die Anlage.
MANUEL D’INSTALLATION
Svenska
MONTÖR İÇİN
Üniteyi kurmadan önce, güvenli ve doğru kullanım için bu kılavuzu ve iç mekan ünitesi kullanım kılavuzunu
dikkatle okuyun.
РУКОВОДСТВО ПО УСТАНОВКЕ
Dansk
FÖR INSTALLATÖREN
Läs bruksanvisningen och inomhusenhetens installationshandbok noga innan enheten installeras så att den
används på ett säkert och korrekt sätt.
MONTAJ ELKİTABI
Português
TIL INSTALLATØREN
Læs af sikkerhedshensyn denne vejledning samt monteringsvejledningen til indendørsenheden grundigt, før
De monterer enheden.
INSTALLATIONSMANUAL
Eλληνικά
PARA O INSTALADOR
Para uma utilização segura e correcta, leia atentamente este manual e o manual de instalação da unidade
interior antes de instalar a unidade.
INSTALLATIONSMANUAL
Italiano
ΓΙΑ ΑΥΤΟΝ ΠΟΥ ΚΑΝΕΙ ΤΗΝ ΕΓΚΑΤΑΣΤΑΣΗ
Για ασφαλή και σωστή χρήση, διαβάστε προσεκτικά αυτό το εγχειρίδιο όπως και το εγχειρίδιο εγκατάστασης
της εσωτερικής μονάδας προτού εγκαταστήστε τη μονάδα.
MANUAL DE INSTALAÇÃO
Español
PER L’INSTALLATORE
Per un uso sicuro e corretto, leggere attentamente il presente manuale ed il manuale di installazione dell'unità
interna prima di installare l'unità.
EΓΧEIPIΔIO OΔHΓIΩN EΓKATAΣTAΣHΣ
Nederlands
PARA EL INSTALADOR
Para una utilización segura y correcta, lea este manual y el manual de instalación de la unidad interior
atentamente antes de proceder a la instalación de la unidad.
MANUALE DI INSTALLAZIONE
Français
VOOR DE INSTALLATEUR
Lees deze handleiding en de installatiehandleiding van het binnenapparaat zorgvuldig door voordat u met het
installeren van de unit begint.
MANUAL DE INSTALACIÓN
Deutsch
POUR L’INSTALLATEUR
Avant d’installer l'unité, lire attentivement ce manuel, ainsi que le manuel d’installation de l’appareil intérieur
pour une utilisation sûre et correcte.
INSTALLATIEHANDLEIDING
English
Türkçe
ДЛЯ УСТАНОВИТЕЛЯ
Для обеспечения безопасной и надлежащей эксплуатации внимательно прочитайте данное
руководство и руководство по установке внутреннего прибора перед установкой прибора.
Русский
Contents
1.
2.
3.
4.
Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drainage piping work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
3
4
5
5.
6.
7.
8.
Water piping work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
5
6
7
1. Safety precautions
► Before installing the unit, make sure you read all the “Safety precautions”.
Warning:
Precautions that must be observed to prevent injuries or death.
Caution:
Precautions that must be observed to prevent damages to the unit.
After installation, perform the test run to ensure normal operation. Then explain
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:
• 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
leakage, 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. Improperly 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
measures. Should the refrigerant leak and cause the concentration oxygen
in the room may lack.
• Ventilate the room if refrigerant leaks during operation. If refrigerant comes
into contact with a flame, poisonous gases will be released.
• 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.
• Only the specified cables can be used for wiring. Connections must be
made securely without tension on the terminals. If cables are connected or
installed improperly, It may result in overheating or 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,
electric 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 deterioration 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 use heated or cooled water that is produced by the air to water
heat pump directly for drinking or cooking. 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 the second heat exchanger within the water piping system.
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
equipments are installed, you may need to take measures to 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.
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 it, in order to avoid your
hands be injured by fins or 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.
2
• The base of the outdoor unit must be periodically checked to ensure not
being 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. Safety precautions
1.3. Before electric work
Caution:
• Be sure to install a circuit breaker. If it is not installed, there may be a risk
to get 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 operation. 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
rotating, hot, or high voltage parts.
• Do not touch any switch with wet hands. There may be a risk to get 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
breakdown.
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.
• Be sure to use the proper tools. If dust, debris, or moisture enters the refrigerant pipes, the refrigeration oil may deteriorate.
• Do not use a charging cylinder. If a charging cylinder is used, the composition of the refrigerant may change and the efficiency will be worsened.
Tools (for R410A)
Gauge manifold
Gas leak detector
Torque wrench
Charge hose
Vacuum pump adapter
Electronic refrigerant charging scale
2. Installation location
(mm)
33
0+
30
0
943
95
17
5
60
0
37
Fig. 2-1
0
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
available.
• Avoid locations where combustible gases may leak, be produced, flow, or accumulate.
• 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)
3
2. Installation location
2.4. NECESSARY SPACE TO INSTALL
2.4.1. When installing a single outdoor unit (Refer to the last page)
Fig. 2-2
Minimum dimensions are as follows, unless Maximum dimensions are indicated.
Refer to the figures for each case.
1 Obstacles at rear only (Fig. 2-5)
2 Obstacles at rear and above only (Fig. 2-6)
3 Obstacles at rear and side(s) only (Fig. 2-7)
4 Obstacles at front only (Fig. 2-8)
5 Obstacles at front and rear only (Fig. 2-9)
6 Obstacles at rear, side(s), and above only (Fig. 2-10)
• Do not install the optional air outlet guide to make upward airflow.
Fig. 2-3
2.4.2. When installing multiple outdoor units (Refer to the last page)
Leave 10 mm or more between the units.
1 Obstacles at rear only (Fig. 2-11)
2 Obstacles at rear and above only (Fig. 2-12)
• No more than three units must be installed side by side. Make sure to leave space as shown.
• Do not install the optional air outlet guide to make upward airflow.
3
4
5
6
Obstacles at front only (Fig. 2-13)
Obstacles at front and rear only (Fig. 2-14)
When multiple units are installed in a row (Fig. 2-15)
When multiple units are installed in rows parallel (Fig. 2-16)
* When using an optional air outlet guide installed to make upward airflow, the necessary distance is 1000 mm or more.
Fig. 2-4
7 To stack the unit vertically (Fig. 2-17)
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 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.
1 Face the air outlet towards the nearest available wall keeping about 50 cm distance. (Fig. 2-2)
2 Install 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)
• The units can be stacked up to two units high.
• No more than two stacked units must be installed side by side. Make sure to leave space as
shown.
A Air outlet guide
3 Position the unit so that the outlet air can blow at right angle to the seasonal
wind direction, if possible. (Fig. 2-4)
B Wind direction
3. Installation procedure
(mm)
Foundation bolt
Thickness of concrete
Length of bolt
Weight-bearing capacity
Max.30
A
B
C
D
E
M10 (3/8")
120 mm
70 mm
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 four-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 improperly installed unit may fall down and cause damage or injuries.
M10 (3/8") bolt
Base
As long as possible
Vent
Set deep in the ground
Min. 360
600
Min.10
175
175
950
Fig. 3-1
25
330
370
600
4
• Be sure to install the unit in a solid, level surface to prevent rattling noises during
operation. (Fig. 3-1)
<Foundation specifications>
4. Drainage piping work
Outdoor unit pipe connection
When drain piping is necessary, use the drain socket or the drain pan (option).
Optional parts name
Drain socket
Drain pan
Model name
PAC-SG61DS-E
PAC-SG64DP-E
5. Water piping work
5.1. Water piping connection (Fig.5-1)
• Connect the water pipes to the outlet and to the inlet pipes
(ISO 228/1-G1B).
• Inlet and outlet pipes position is shown on the Fig.5-1.
• Install the hydraulic filter at the water intake.
• Maxmum allowable torque at the water piping connection is 50 N•m.
• Check if water leaks after installation.
• Use the water pressure in more than 0 MPa gauge and less than 0.3MPa gauge.
• Use the inlet water of higher than 5˚C and lower than 55˚C.
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 : 100mg/L
Chlorine : 100mg/L
Iron/manganese : 0.5mg/L
[Fig. 5-1]
A Water outlet
B Water inlet
Fig. 5-1
Note : Insulate the water piping properly. The performance can be poor if the
insulation is insufficient.
Warning:
As the outlet water temperature can reach 60ºC at maximum, do not touch
directly the water piping with a bare hand.
6. Electrical work
6.1. Outdoor unit (Fig. 6-1, Fig. 6-2)
A
B
C
D
E
1 Remove the service panel.
2 Wire the cables referring to the Fig. 6-1 and the Fig. 6-2.
Earth terminal
Terminal block
Clamp
Service panel
Wire the cables so that they do
not contact the center of the
service panel.
L N
A Interface unit/
Flow temp. controller
B Outdoor unit
C Remote controller
D Main switch(Earth leakage breaker)
E Earth
S1 S2 S3
Fig. 6-1
Fig. 6-2
5
6. Electrical work
6.2. Field electrical wiring
Wiring
Circuit rating Wire No. ×
size (mm2)
Outdoor unit power supply
Outdoor unit Circuit Breaker capacity
Outdoor unit power supply, earth
Interface unit/Flow temp. controller-Outdoor unit
Interface unit/Flow temp. controller-Outdoor unit earth
Remote controller-Interface unit/Flow temp. controller
Outdoor unit L-N (single)
Interface unit/Flow temp. controller-Outdoor unit S1-S2
Interface unit/Flow temp. controller-Outdoor unit S2-S3
Remote controller-Interface unit/Flow temp. controller
*1
*2
*2
*3
*3
*3
*3
~/N (single), 50 Hz, 230 V
25 A
3 × Min. 4
3 × 1.5 (polar)
1 × Min. 1.5
2 × 0.3 (Non-polar)
AC 230 V
AC 230 V
DC 24 V
DC 12 V
*1. A breaker with at least 3.0 mm contact separation in each pole shall be provided. Use earth leakage breaker (NV).
*2. Max. 80 m
*3. The figures are NOT always against the ground.
S3 terminal has DC 24 V 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 Interface unit/Flow temp. controller and outdoor unit shall not be lighter than polychloroprene sheathed
flexible cables. (Design 60245 IEC 57)
3. Be sure to connect the cables between Interface unit/Flow temp. controller 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.
230V
Single phase
Isolator
Outdoor Unit
3 poles isolator
S1
S1
S2
S2
S3
S3
Interface unit /
Flow temp.
controller
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.
7. Test run
Before test run
► After installation works are completed, check if there is no refrigerant leakage, 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
power supply terminals and ground is at least 1.0MΩ.
Warning:
Do not use the air to water heat pump if the insulation resistance is less than
1.0MΩ.
Insulation resistance
When installed the power source to the unit has been cut for an extended period,
the insulation resistance may drop below 1 MΩ 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 MΩ, the compressor may be faulty or simply the accumulation of refrigerant in the compressor makes the resistance drop.
6
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,
measure the insulation resistance again.
• The insulation resistance drops due to the accumulation of refrigerant in the
compressor. The resistance will rise above 1 MΩ after the compressor is
warmed up for four hours.
(The necessary time to warm up the compressor varies according to atmospheric 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 MΩ, 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.
8. Special Function
Red
Brown
Orange
SW1
8.1. Low noise mode (on-site modification) (Fig. 8-1)
CNDM
A Circuit diagram example (low noise mode)
B On-site arrangement
C External input adapter (PAC-SC36NA)
D Outdoor unit control board
E Max. 10 m
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.
• The ability varies according to the outdoor temperature and conditions, etc.
1 Complete the circuit as shown when using the external input adapter
(PAC-SC36NA). (Option)
2 SW1 ON: Low noise mode
SW1 OFF: Normal operation
7
This product is designed and intended for use in the residential,
commercial and light-industrial environment.
The product at hand is
based on the following
EU regulations:
• Low Voltage Directive 2006/95/ EC
• Electromagnetic Compatibility Directive
2004/108/EC
Please be sure to put the contact address/telephone number on
this manual before handing it to the customer.
HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
BH79D067K01
Printed in Japan