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Fujitsu UTY-XCSXZ2 Installation guide

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INSTALLATION MANUAL
AIR CONDITIONER
OPTIONAL PARTS
External input and output PCB
For authorized service personnel only.
1. SAFETY PRECAUTIONS
• Handthismanualtothecustomertokeepforfutureuse,
such as relocating or repairing the product.
WARNING
Indicatesapotentiallyorimminently
hazardoussituationwhich,ifnotavoided,
could result in death or serious injury.
Wheninstallingtheunit,pleasereadthismanualthoroughly.
Before installation, be sure that all sources of power have
beenshutoff.Thereisadangerofelectricshock.
Do not turn on the power until all installation works is
complete.
For the PCBand locally purchasedparts, apply voltage
indicated o n specifications o f parts. Application o f
unspeciedvoltagemayresultinfailureormalfunctionofair
conditioner.
CAUTION
Indicates a potentially hazardous
situationthatmayresultinminoror
moderateinjuryordamagetoproperty.
Donotpullontheconnectorswithtoomuchforce.
2. ABOUT THE UNIT
2.1. General
• ThisPCBisanadapterconnectingindoorunitcontrol
PCboardandlocalwiringforvariouscontrols(remote
operations,operationstatusdisplay,errorstatusdisplay),
andfanoperationstatus.
2.2. Parts and accessories
• Thefollowinginstallationpartsaresupplied.
Usethemasrequired.
Name and shape Q’ty Description
Installationmanual
1 Thismanual
External input and output PCB
1
For various
external input/
output connections
Wire with connector
1
For connecting the
PCB
Cabletie
1
Forbindingthe
wires
* Dependingontheindoorunit,theExternalinputandoutput
PCBbox(option)isnecessaryforinstallation.
2.3. Connecting the PCB
DescriptionofExternalinputandoutputPCB
Wire with connector
Toindoorunit
CN310
CN313
CN312
CN311
CN314
Rotary switch
CN308
DIP SW301
DIP SW302
• ConnectiondependsonthePCBtypeoftheindoorunit.
Refertotheinstallationmanualoftheindoorunitfordetails
on how to connect to the indoor unit PCB.
PARTNo.9380828143
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3. SETTING
3.1. Connectable devices
External
input/
output
Connector
Input
select
Input
signal
External
input
Operation/
Stop
CN313/
CN314
Dry
contact/
Apply
voltage
Edge/Pulse
Forced
thermostat
off
CN313 Edge
External
output
Operation
status
CN310
CN311
CN312
– –
Error status
Indoor unit
fan
operation
status
External
heater
output
Input signal type
■
Theinputsignaltypecanbeselected.
Signaltype(edgeorpulse)canbeswitchedbytheDIP
SW302 on the External input and output PCB.
When DIP SW302 is on the “Edge” side.
When DIP SW302 is on the “Pulse” side.
Edge
Pulse
Thewidthofpulsemustbelongerthan200msec.
3.2. External input
• “Operation/Stop”modeor“Forcedstop”modecanbe
selectedwithfunctionsettingofindoorunit.
• Atwistedpaircable(22AWG)shouldbeused.Maximum
lengthofcableis150m.
• Thewireconnectionshouldbeseparatefromthepower
cableline.
●
Input select
Use either one of these types of terminals according to
theapplication.(Bothtypesofterminals cannotbeused
simultaneously.)
• Drycontact
Incaseofinternalpowersupply,settheDIPSW301to
“NON VOL” side.
1
2
3
+
-
1
2
3
+
-
Input 1
Input 2
*1
*1
PCB
Connector
(CN313)
Connector
(CN314)
Connected unit
*1:Theswitchescanbeusedonthefollowingcondition:
DC12Vto24V,1mAto15mA.
• Applyvoltage
Incase ofexternal power supply, set the DIP SW301 to
“VOL” side.
1
2
3
+-
1
2
3
Input 1
Input 2
*1
*1
PCB
Connector
(CN313)
Connector
(CN314)
Connected unit
Power supply
*2
*1:Theswitchescanbeusedonthefollowingcondition:
DC12Vto24V,1mAto15mA.
*2: Make the power supply DC 12 V to 24 V 10 mA or
more.
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3.3. External output
• Atwistedpaircable(22AWG)shouldbeused.Maximum
lengthofcableis25m.
•Outputvoltage:HighDC12V±2V,Low0V.
• Permissiblecurrent:50mA
• Fordetails,refertothetechnicalmanual.
●
When indicator or other components are connected
directly
Example: Function setting 60 is set to “00”.
1
2
+
-
1
2
+
-
1
2
+
-
1
2
-
+
1
2
-
+
1
2
-
+
Resistor
Resistor
Resistor
LED 1
(Operationstatus)
LED 2
(Errorstatus)
LED 3
(Indoorunitfan
operationstatus)
Connected unit
Connector
(CN310)
Connector
(CN311)
Connector
(CN312)
PCB
●
When connecting with a device equipped with a
power supply
Example: Function setting 60 is set to “00”.
1
2
+
-
1
2
+
-
1
2
+
-
1
2
-
+
1
2
-
+
1
2
-
+
Relay
Connected device 1
(Operationstatus)
Connected device 2
(Errorstatus)
Connected device 3
(Indoorunitfan
operationstatus)
Connected unit
Connector
(CN310)
Connector
(CN311)
Connector
(CN312)
PCB
Combination of external input and output
By combining the function setting of the indoor unit and rotary switch setting of the External input and output PCB, you can
selectvariouscombinationsoffunctions.
Tosetthefunctionsetting,refertotheinstallationmanualoftheindoorunit.
Fordetails,pleaserefertothetechnicalmanual.
Combinationexamplesofexternalinputandoutputareasfollows:
Mode
Rotary
SW
External input External output
1 2 Signal type 1 2 3
0-1 1
Operation/Stop Notavailable Edge
Operation/Stop Error status
Indoorunitfan
operation status
Operation Stop Pulse
0-2 2
Forced
ThermostatOFF
Notavailable Edge Error status
Indoorunitfan
operation status
External heater
output
1 to 8 3to9,A
AvailableforUSAMarketOnly
Fordetailsregardingthesettings,pleasecheckthetechnicalmanual.
9 B
Forced
ThermostatOFF
Notavailable Edge Operation/Stop
Indoorunitfan
operation status
External heater
output
10 C
Forced
ThermostatOFF
Notavailable Edge Operation/Stop Error status
External heater
output
11 D
Forced
ThermostatOFF
Notavailable Edge Operation/Stop
Indoorunitfan
operation status
Error status
NOTES:InputofOperation/Stopdependsonthesettingoffunctionsetting46oftheindoorunit.
00:Operation/Stopmode1(R.C.enabled) 02:Forcedstop
01:(Settingprohibited) 03:Operation/Stopmode2(R.C.disabled)
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