Mitsubishi Heavy Industries SRC25ZS-W User Manual

• This installation manual deals with an outdoor unit installation only. For an indoor unit installation, refer to page 30.
SAFETY PRECAUTIONS
• Before installation, read the “SAFETY PRECAUTIONS” carefully and strictly follow it during the installa-
tion work in order to protect yourself.
• The precautionary items mentioned below are distinguished into two levels,
WARNING
and
CAUTION
.
WARNING
Indicates a potentially hazardous situation which, if not avoided, can result in serious con-
sequences such as death or severe injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, can result in personal
injury or property damage.
Both mention the important items to protect your health and safety. Therefore, strictly follow them by any means.
• Besureto conrmno operationproblem onthe equipmentaftercompleting theinstallation. Ifunusual
noise can be heard during the test run, consult the dealer.
• Be sure to explain the operating methods as well as the maintenance methods of this equipment to the
user according to the user’s manual.
• Be sure to keep the installation manual together with user’s manual at a place where it is easily accessi
-
ble to the user any time. Moreover, ask the user to hand the manuals to a new user, whenever required.
WARNING
• Be sure to use only for residential purpose.
If this unit is installed in inferior environment such as machine shop, vehicle (like ship), warehouse,
etc., it can malfunction.
• Installationmustbecarriedoutbythequaliedinstallercompletelyinaccor-
dance with the installation manual.
 Installationbynonqualiedpersonorincorrectinstallationcancauseserioustroublessuchaswater
leak,electricshock,reandpersonalinjury.
•
Be sure to wear protective goggles and gloves while performing installation work.
 Impropersafetymeasurescanresultinpersonalinjury.
• Usetheoriginalaccessoriesandthespeciedcomponentsfortheinstallation.
 Usingpartsotherthanthoseprescribedmaycausewaterleak,electricshock,reandpersonalinjury.
• Donotinstalltheunitnearthelocationwhereleakageofammablegasescanoccur.
 Ifleakedgasesaccumulatearoundtheunit,itcancausereresultinginpropertydamageand
personalinjury.
• When installing the unit in small rooms, make sure that refrigerant density
does not exceed the limit (Reference: ISO5149) in the event of leakage.
If refrigerant density exceeds the limit, consult the dealer and install the ventilation system.
Otherwise lack of oxygen can occur resulting in serious accident.
• Install the unit in a location where unit will remain stable, horizontal and free
of any vibration transmission.
Unsuitableinstallationlocationcancausetheunittofallresultinginmaterialdamageandpersonalinjury.
• Do not run the unit with removed panels or protections.
 Touchingrotatingequipments,hotsurfacesorhighvoltagepartscancausepersonalinjurydueto
entrapment, burn or electric shock.
• ThisunitisdesignedspecicallyforR32.
 Usinganyotherrefrigerantcancauseunitfailureandpersonalinjury.
• Do not vent R32 into atmosphere.
R32isauorinatedgreenhousegaswithaGlobalWarmingPotential(GWP)=675.
• Make sure that no air enters the refrigerant circuit when the unit is installed
and removed.
If air enters the refrigerant circuit, the pressure in the refrigerant circuit will become too high, which
cancauseburstandpersonalinjury.
• Besuretousetheprescribedpipes,arenutsandtoolsforR32orR410A.
Usingexistingparts(forR22orR407C)cancauserefrigerantcircuitburstresultinginunitfailureand
personalinjury.
• Be sure to connect both liquid and gas connecting pipes properly before
operating the compressor.
Do not open the liquid and gas service valves before completing piping work,
and evacuation.
If the compressor is operated when connecting pipes are not connected and service valves are open,
air can be sucked into the refrigerant circuit which can cause anomalous high pressure resulting in
burstorpersonalinjury.
• Besuretotightenthearenutstospeciedtorqueusingthetorquewrench.
 Tighteningarenutswithexcesstorquecancauseburstandrefrigerantleakageafteralongperiod.
• During pump down work, be sure to stop the compressor before closing ser
-
vice valves and removing connecting pipes.
If the connecting pipes are removed when the compressor is in operation and service valves are
open, air can be sucked into the refrigerant circuit which can cause anomalous high pressure
resultinginburstorpersonalinjury.
• In the event of refrigerant leakage during installation, be sure to ventilate the
working area properly.
Iftherefrigerantcomesintocontactwithnakedames,poisonousgaseswillbeproduced.
• Electricalworkmustbecarriedoutbythequaliedelectrician,strictlyin
accordance with national or regional electricity regulations.
 Incorrectinstallationcancauseelectricshock,reorpersonalinjury.
• Make sure that earth leakage breaker and circuit breaker of appropriate
capacities are installed.
Circuitbreakershouldbeabletodisconnectallpolesunderovercurrent.Absenceofappropriate
breakerscancauseelectricshock,personalinjuryorpropertydamage.
• Be sure to switch off the power source in the event of installation, mainte-
nance or service.
 Ifthepowersourceisnotswitchedoff,thereisariskofelectricshock,unitfailureorpersonalinjury.
• Be sure to tighten the cables securely in terminal block and relieve the
cables properly to prevent overloading the terminal blocks.
Looseconnectionsorcablemountingscancauseanomalousheatproductionorre.
• Do not process, splice or modify the power cable, or share the socket with
other power plugs.
 Improperpowercableorpowerplugcancausereorelectricshockduetopoorconnection,insuf
-
cient insulation or over-current.
• Do not perform any change in protective device or its setup condition yourself.
 Changingprotectivedevicespecicationscancauseelectricshock,reorburst.
• Be sure to clamp the cables properly so that they do not touch any internal
component of the unit.
 Ifcablestouchanyinternalcomponent,itcancauseoverheatingandre.
• Be sure to install service cover properly.
Improperinstallationcancauseelectricshockorreduetointrusionofdustorwater.
• Be sure to use the prescribed power and connecting cables for electrical work.
 Usingimpropercablescancauseelectricleakorre.
• This appliance must be connected to main power source by means of a
circuit breaker or switch with a contact separation of at least 3 mm.
 Improperelectricalworkcancauseunitfailureorpersonalinjury.
• Be sure to connect the power source cable with power source properly.
Improperconnectioncancauseintrusionofdustorwaterresultinginelectricshockorre.
CAUTION
• Take care when carrying the unit by hand.
If the unit weight is more than 20 kg, it must be carried by two or more persons.
 Donotcarrytheunitbytheplasticstraps.Alwaysusethecarryhandle.
• Do not install the outdoor unit in a location where insects and small animals
can inhabit.
 Insectsandsmallanimalscanentertheelectricalpartsandcausedamageresultinginreorperson
-
alinjury.Instructtheusertokeepthesurroundingsclean.
• If the outdoor unit is installed at height, make sure that there is enough
space for installation, maintenance and service.
 Insufcientspacecanresultinpersonalinjuryduetofallingfromtheheight.
• Do not install the unit near the location where neighbours are bothered by
noise or air generating from the unit.
It can affect surrounding environment and cause a claim.
• Do not install in the locations where unit is directly exposed to corrosive
gases (like sulphide gas, chloride gas), sea breeze or salty atmosphere.
It can cause corrosion of heat exchanger and damage to plastic parts.
• Do not install the unit close to the equipments that generate electromagnetic
waves and/or high-harmonic waves.
Equipment such as inverters, standby generators, medical high frequency equipments and telecom
-
munication equipments can affect the system, and cause malfunctions and breakdowns.
The system can also affect medical equipment and telecommunication equipment, and obstruct its
functionorcausejamming.
• Do not install the unit in the locations where:
• There are heat sources nearby.
• Unit is directly exposed to rain or sunlight.
• There is any obstacle which can prevent smooth air circulation from inlet and outlet side of the unit.
• Unit is directly exposed to oil mist and steam such as kitchen.
•Chemicalsubstanceslikeammonia(organicfertilizer),calciumchloride(snowmeltingagent)and
acid (sulfurous acid etc.), which can harm the unit, will generate or accumulate.
• Drain water can not be discharged properly.
• TV set or radio receiver is placed within 1 m.
• Height above sea level is more than 1000 m.
Itcancauseperformancedegradation,corrosionanddamageofcomponents,unitmalfunctionandre.
• Dispose of all packing materials properly.
 Packingmaterialscontainnailsandwoodwhichcancausepersonalinjury.
Keep the polybag away from children to avoid the risk of suffocation.
• Do not put anything on the outdoor unit.
 Objectmayfallcausingpropertydamageorpersonalinjury.
• Donottouchthealuminumnoftheoutdoorunit.
 Aluminiumntemperatureishighduringheatingoperation.Touchingncancauseburn.
•
Do not touch any refrigerant pipe with your hands when the system is in operation.
During operation the refrigerant pipes become extremely hot or extremely cold depending on the
operatingcondition.Touchingpipescancausepersonalinjurylikeburn(hot/cold).
• Install isolator or disconnect switch on the power source wiring in accor
-
dance with the local codes and regulations.
TheisolatorshouldbelockedinOFFstateinaccordancewithEN60204-1.
RWC012A068G
D
Model SRC20,25,35,50ZS-W
SRC20,25,35ZS-WA
R32 REFRIGERANT USED
1. ACCESSORIES AND TOOLS
Locally procured parts Tools for installation work
(a) Anchor bolt(M10-M12) × 4 pcs. Plus headed driver Spanner wrench Vacuum pump*
(b) Putty Knife Torque wrench [14.0-62.0 N•m(1.4-6.2 kgf•m)] Gauge manifold *
(c) Electrical tape Saw Wrench key (Hexagon) [4 mm] Charge hose *
(d) Connecting pipe
Tape measure Flaring tool set *
Vacuum pump adapter*
(Anti-reverseowtype)
(e) Connecting cable
(f) Power cable Pipe cutter Flare adjustment gauge Gas leak detector *
(g) Clampandscrew(fornishingwork)
*DesignedspecicallyforR32orR410A
Standard accessories
(Supplied with outdoor unit)
Q’ty
(1)
Drain grommet
1
(2)
Drain elbow
1
*
Not included for SRC20, 25, or 35ZS-WA .
(2) Installation of outdoor unit
Models SRC25ZS-W2, 35ZS-W2
'20 • SRF-DB-310
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Mitsubishi Heavy Industries SRC25ZS-W Specifications

General

Brand	Mitsubishi Heavy Industries
Model	SRC25ZS-W
Category	Air Conditioner
Language	English