Mitsubishi Electric PAC-IF062B-E - Safety Precautions

2
Contents
Before installing the FTC unit, make sure you read all the “Safety pre-
cautions”.
Please report to your supply authority or obtain their consent before
connecting this equipment to the power supply system.
Warning:
Precautions that must be observed to prevent injuries or death.
Caution:
Precautions that must be observed to prevent damage to the unit.
After installation, perform the test run to ensure normal operation. Then explain
to your customer the “Safety Precautions” *1, use, and maintenance of the unit
based on the information in this manual. This manual must be given to the user.
This manual must always be kept by the actual users.
*1 “Safety Precautions” for user is indicated on page 33.
: This 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,
electricshock,orremaybecaused.
• Forinstallationwork,followtheinstructionsintheInstallationManualand
use tools andpipe componentsspecically madefor usewith refrigerant
speciedintheoutdoorunitinstallationmanual.
• Theunitmustbeinstalledaccordingtotheinstructionsinordertomini-
mize the risk of damage by earthquakes, typhoons, or strong winds.
Improperly installed units may fall down and cause damage 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 damage or injuries.
• Allelectricworkmustbeperformedbyaqualiedtechnicianaccordingto
local regulations and the instructions given in this manual. The unit must
be powered by dedicated power lines and the correct voltage and circuit
breakersmustbeused.Powerlineswithinsufcientcapacityorincorrect
electricalworkmayresultinelectricshockorre.
• Onlythe specied 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re.
• Terminalblockcoverpanel of theunitmustbe rmly xed.Ifthecover
panel is mounted improperly, dust and moisture may enter the unit, and it
maycauseelectricshockorre.
• 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electricshock,orre.
• Donot remodel theunit.Consultaninstaller forrepairs.Ifalterationsor
repairsarenotperformedcorrectly,itmaycauseelectricshockorre.
• Theusershouldneverattempttorepairtheunitortransferittoanother
location. If the unit is installed improperly, it may cause electric shock or
re.IftheFTCunitneedstoberepairedormoved,askaninstalleroran
authorized technician.
• Duringinstallingaheatpumpsystem,keepwaterfromsplashingonthe
FTC unit.
• Wheninstallingsensorsandparts,donotexposetheterminals.
1.1 Before installation (Environment)
Caution:
• DonotinstalltheFTCunitinoutdoorlocationasitisdesignedforindoor
installation only. Otherwise electric shock or breakdown may be caused
by water, wind or dust.
•
Donot use the unit inan unusual environment. If the FTC unit isinstalled
orexposedto steam,volatileoil(includingmachineoil),orsulfuricgas,or
exposedtobrinyair,theinternalpartscanbedamaged.
• Donot install the unitwhere combustible gasesmay leak, beproduced,
ow, or accumulate. If combustible gas accumulates around the unit, it
maycausereorexplosion.
• Wheninstallingtheunitinahospitalorinabuildingwherecommunica-
tions equipment are installed, you may need to take measures to prevent
noise and electronic interference. Inverters, home appliances, high-
frequency medical equipment, and radio communications equipment can
cause the FTC unit to malfunction or to breakdown. At the same time, the
noise and electric interference from the FTC unit may disturb the proper
operation of nearby medical equipment, and communications equipment.
1.2 Before installation or relocation
Caution:
• Beverycarefulwhenmovingtheunits.Donotholdthepackagingbands.
Wear protective gloves to unpack and to move the units, in order to avoid
injury to your hands.
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.Other-
wise,itmaycauseashortcircuit,overheating,orre.
• Wheninstallingthepowerlines,donotapplytensiontothecables.The
cablesmaybecutoroverheatedresultinginare.
• 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speciedca-
pacity.Ifthecircuitbreakercapacityislargerthanthespeciedcapacity,
breakdownorremayresult.
• Besureto safelydispose ofthe packagingmaterials. Packaging materi-
als, such as nails and other metal or wooden parts may cause injuries.
• DonotwashtheFTCunit.Youmayreceiveanelectricshock.
1. Safety precautions .....................................................................................2
2. Installing the FTC unit ...............................................................................3
3. System ......................................................................................................5
4. Electrical work .........................................................................................12
5. Dip switch setting ....................................................................................27
6. Before test run .........................................................................................32
7. Main remote controller operation .............................................................33
8. Troubleshooting ......................................................................................49
9. Multiple outdoor units control ..................................................................54
10. Supplementary information ....................................................................66
Local application factors ................................................................................ 67
1. Safety precautions
FOR INSTALLER
“FTC (Master)” is the abbreviation of “Flow Temperature Controller [Master]”, which is described as “FTC (Master)” in this manual.
“FTC (Slave)” is the abbreviation of “Flow Temperature Controller [Slave]”, which is described as “FTC (Slave)” in this manual.
In this manual, “FTC” that is not followed by “(Master)” or “(Slave)” means “FTC (Master and Slave)”.
Mitsubishi Electric is not responsible for the failure of locally supplied parts.