Mitsubishi Electric City Multi PFD-P250 500VM-E User manual

ɇɚɡɜɚɧɢɟɄɨɦɩɚɧɢɢɈɈɈɆɢɰɭɛɢɫɢɗɥɟɤɬɪɢɤɊɍɋ
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GBDEPHGRU FITR
<ORIGINAL>
Air-Conditioners
INDOOR UNIT
PFD-P250·500VM-E
Ʉɨɧɞɢɰɢɨɧɟɪɵ
ȼɇɍɌɊȿɇɇɂɃȻɅɈɄ
INSTALLATION MANUAL
For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.
INSTALLATIONSHANDBUCH
Zum sicheren und ordnungsgemäßen Gebrauch der Klimageräte das Installationshandbuch gründlich durchlesen.
MANUEL D’INSTALLATION
Veuillez lire le manuel d’installation en entier avant d’installer ce climatiseur pour éviter tout accident et vous assurer d’une utilisation
correcte.
MANUALE DI INSTALLAZIONE
Per un uso sicuro e corretto, leggere attentamente questo manuale di installazione prima di installare il condizionatore d’aria.
MANUAL DE INSTALAÇÃO
Para um uso seguro e correcto, é favor ler o manual de instruções por completo antes de utilizar a unidade de ar condicionado.
KURULUM KILAVUZU
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7 7.3
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 !"!"!F$!!#!G!B$!C  
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Connection changes to be made when connected to a 2-refrigerant circuit. Switch setting changes to be made when connected to a 2-refrigerant circuit.
$!()((!-! -)
+!"+%#!+(-%+.%-
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
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 



External input-output
board (IFB)
AC
A1
A2
BC
B1
B2
The case of with-voltage input ... A
The case of no-voltage input ....
B
A
B
TB23
TB21
When using the external input function on the
indoor unit that is connected to a two-refrigerant
circuit, connect the short-circuit plate that is
supplied with the unit to the appropriate terminals
on the external input-output board.

5
7 7.4
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TB3
TB7
M1
M2
M1
M2
S
M1 TB5
TB15
MA
1 2
M2
A B
S
51
<P250>
G-50
000
DPower supply unit
IC
CN41 01
TB3
TB7
M1
M2
M1
M2
S
M1 TB5-1
TB5-2
M2
S
51
OC <P250> IC
01
TB3
TB7
M1
M2
M1
M2
S
M1
TB15
MA
1 2
M2
A B
S
52
OC <P250>
02
TB15
MA
1 2
A B
TB3
TB7
M1
M2
M1
M2
S
M1
TB5
TB5-1
TB5-2
M2
S
51
OC IC (model 250)
IC (model 500)
01
TB3
TB7
M1
M2
M1
M2
S
M1
TB15 MA
1
2
M2
A
B
S
53
OC
03
04
M1
M2
S
TB3
TB7
M1
M2
M1
M2
S
54
OC
OC
A
B
S
A
B
S
TB2
*2 The Model 250 indoor unit
contains one indoor controller board.
ACN41 as it is
AReplace CN41
with CN40
BGroup 1
CGroup 2
ACN41 as it is
BCN41 as it is
*1 The numbers shown
in the square ( ) are addresses.
* The Model 500 indoor unit
contains two indoor controller boards.
EDC Power supply (DC 12V)
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 :KHQFRQQHFWHGWR*

6
7 7.5
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A:LWKYROWDJHLQSXW
External
power supply
Pulse input of start or stop
'&9
,QSXWFXUUHQWSHUFRQWDFW
$SSUR[LPDWHO\P$'&9
SW12 5HPRWH6WDUW6WRSVZLWFK
7RJJOHV212))HDFKWLPHVZLWFKLVSUHVVHGSXOVHLQSXW
D1RYROWDJHLQSXW
SW11 5HPRWH6WDUW6WRSVZLWFK
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Contact: Minimum applicable load DC 12 V 1 mA
Contact rating DC 12 V 0.1 A and over
G5HOD\FRQWDFWRXWSXW
Display power
supply
DC30 V 1 A or less
$&9$
L1, L3 Operation status
// Fault status
XA ~ XE 5HOD\DOORZDEOHFXUUHQWP$$
 For instructions on how to install the short circuit plate, refer to “Notes on
using external input function” shown below.
 1RWHVRQXVLQJH[WHUQDOIXQFWLRQV0RGHORQO\
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AFilters (2)
BFilter cover
CSide panel: 14 screws
DFront panel: 6 screws
EFront panel:
2 chains
FRear panel: 9 screws
CSide panel: 14 screws
GRear panel: 8 screws
A
(on four corners)
HFilters (3) IRear panel: 7 screws on each
BFilter cover
GRear panel: 8 screws
CSide panel: 14 screws
A
(on four corners)
JFront panel:
2 hinges on each
CSide panel:
14 screws
KBolt 1
MScrew
Pull these pins up and down respectively
to remove the front panel.
LBolt 2
MScrew
Detailed view of section A
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panel — — — 3
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A Heat exchanger (liquid pipe)
B Heat exchanger
(gas pipe)
C Drain pan
A Heat exchanger (liquid pipe)
B Heat exchanger
(gas pipe)
C Drain pan
F Unbraze these sections (2 places on
the liquid pipe/upper part of the strainer)
D Unbraze this section
(1 place on the liquid pipe/
upper part of the strainer)
E Unbraze these sections
(2 places on the gas pipe/
expanded part)
E Unbraze these sections
(2 places on the gas pipe/
expanded part)
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Table 1
Board No. Connector Wire
PDUN
Connector
color
No. of
pins Parts name
No.1
CN31 1 White 3 Float switch
CN20 S1 Red 2 Inlet thermistor
CN21 E1 White 2 Liquid pipe thermistor
&1 G1 %ODFN 2 Gas pipe thermistor
&1 V1 White Linear expansion valve
Table 1
Board No. Connector Wire
PDUN
Connector
color
No. of
pins Parts name
No.1
CN31 1 White 3 Float switch
CN20 S1 Red 2 Inlet thermistor
CN21 E1 White 2 Liquid pipe thermistor
&1 G1 %ODFN 2 Gas pipe thermistor
LEV2A V1 White Linear expansion valve
No.2
CN31 2 White 3 Float switch
CN20 S2 Red 2 Inlet thermistor
CN21 E2 White 2 Liquid pipe thermistor
&1 G2 %ODFN 2 Gas pipe thermistor
LEV2B V2 White Linear expansion valve

9
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WHUWKHRXWGRRUXQLWDQG¿UHRUHOHFWULFVKRFNPD\UHVXOW
 :KHQLQVWDOOLQJDQGPRYLQJWKHDLUFRQGLWLRQHUWRDQRWKHUVLWHGRQRW
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- If a different refrigerant or air is mixed with the original refrigerant, the re-
frigerant cycle may malfunction and the unit may be damaged.
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-
Consult the dealer regarding the appropriate measures to prevent the safety
OLPLWIURPEHLQJH[FHHGHG6KRXOGWKHUHIULJHUDQWOHDNDQGFDXVHWKHVDIHW\
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DQDXWKRUL]HGWHFKQLFLDQ
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RU¿UHPD\UHVXOW
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other heat source, it may generate noxious gases.
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- If the pressure switch, thermal switch, or other protection device is shorted
and operated forcibly, or parts other than those specified by Mitsubishi
(OHFWULFDUHXVHG¿UHRUH[SORVLRQPD\UHVXOW
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LQOLJKWLQGXVWU\DQGRQIDUPVRUIRUFRPPHUFLDOXVHE\OD\SHUVRQV
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UHGXFHGSK\VLFDO VHQVRU\RUPHQWDOFDSDELOLWLHVRUODFNRIH[SHULHQFH
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 3UHFDXWLRQVIRUGHYLFHVWKDWXVH
5$UHIULJHUDQW
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 'RQRWXVHWKHH[LVWLQJUHIULJHUDQWSLSLQJ
- The old refrigerant and refrigerator oil in the existing piping contains a
large amount of chlorine which may cause the refrigerator oil of the new
unit to deteriorate.
 8VHUHIULJHUDQWSLSLQJPDGHRISKRVSKRUXVGHR[LGL]HGFRSSHUDQGFRSSHU
DOOR\VHDPOHVVSLSHVDQG WXEHV´,QDGGLWLRQEH VXUH WKDWWKHLQQHU DQG
RXWHUVXUIDFHVRIWKHSLSHV DUHFOHDQ DQGIUHH RIKD]DUGRXVVXOSKXU R[
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
- Contaminants on the inside of the refrigerant piping may cause the refrig-
erant residual oil to deteriorate.
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HQGVRI WKHSLSLQJ VHDOHGXQWLO MXVWEHIRUHEUD]LQJ6WRUHHOERZVDQG
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- If dust, dirt, or water enters the refrigerant cycle, deterioration of the oil and
compressor trouble may result.
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WRURLOWRFRDWÀDUHVDQGÀDQJHFRQQHFWLRQV
- The refrigerator oil will degrade if it is mixed with a large amount of mineral
oil.
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- If gas refrigerant is used to seal the system, the composition of the refrig-
erant in the cylinder will change and performance may drop.
1. Safety precautions........................................................................................
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1.3. Before getting installed.............................................................. 10
 %HIRUHJHWWLQJLQVWDOOHGPRYHGHOHFWULFDOZRUN ..................... 10
 %HIRUHVWDUWLQJWKHWHVWUXQ........................................................ 10
 %HIRUHFRQQHFWLQJWRWKHRXWGRRUXQLW .......................................10
2. Indoor unit accessories .............................................................................. 10
3. Selecting an installation site....................................................................... 10
3.1. Securing installation and service space .................................... 11
 ,QVWDOOLQJWKHXQLW ........................................................................................ 11
 +DQJLQJXQLW .............................................................................. 11
 )L[LQJXQLW.................................................................................. 11
 5HIULJHUDQWSLSHDQGGUDLQSLSHVSHFL¿FDWLRQV ........................................... 11
 5HIULJHUDQWSLSHDQGGUDLQSLSHVSHFL¿FDWLRQV .......................... 11
 &RQQHFWLQJUHIULJHUDQWSLSHVDQGGUDLQSLSHV............................................. 11
 5HIULJHUDQWSLSLQJZRUN ............................................................. 11
 'UDLQSLSLQJZRUN ......................................................................12
7. Electrical wiring .......................................................................................... 12
7.1. Power supply wiring .................................................................. 12
7.2. Connecting remote controller, indoor and outdoor transmission
cables........................................................................................13
7.3. Connecting electrical connections............................................. 13
 6HWWLQJDGGUHVVHV .....................................................................13
 ([WHUQDO,26SHFL¿FDWLRQV ........................................................
8. Remote Controller Operation Problems and Solutions .............................. 
 7HVW2SHUDWLRQUHDG23(5$7,210$18$/DVZHOO................................ 
10. Separating the top and bottom of the unit .................................................. 

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cause the refrigerator oil to deteriorate.
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- The vaFXXPSXPSRLOPD\ÀRZEDFNLQWRWKHUHIULJHUDQWF\FOHDQG FDXVH
the refrigerator oil to deteriorate.
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DQWV
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YDOYHUHIULJHUDQWFKDUJHEDVHYDFXXPJDXJHUHIULJHUDQWUHFRYHU\
HTXLSPHQW
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the refrigerant may deteriorated.
 ,IZDWHULVPL[HGLQWKH5$WKHUHIULJHUDWRURLOPD\GHWHULRUDWH
 6LQFH5$GRHVQRWFRQWDLQDQ\FKORULQHJDVOHDNGHWHFWRUVIRUFRQYHQ-
tional refrigerants will not react to it.
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- Using a charging cylinder may cause the refrigerant to deteriorate.
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- If dust, dirt, or water gets in the refrigerant cycle, the refrigerant may dete-
riorate.
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NHSW
- The quality of the food, etc. may deteriorate.
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the air conditioner or damage its parts.
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FLHQWSURWHFWLRQDJDLQVWQRLVH
- The inverter equipment, private power generator, high-frequency medical
equipment, or radio communication equipment may cause the air condi-
tioner to operate erroneously, or fail to operate. On the other hand, the
air conditioner may affect such equipment by creating noise that disturbs
medical treatment or image broadcasting.
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- When the room humidity exceeds 80 % or when the drain pipe is clogged,
condensation may drip from the indoor unit. Perform collective drainage
ZRUNWRJHWKHUZLWKWKHRXWGRRUXQLWDVUHTXLUHG
 %HIRUHJHWWLQJLQVWDOOHGPRYHG
HOHFWULFDOZRUN
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- Do not connect the ground wire to gas or water pipes, lightning rods, or
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 $IXVHRUFLUFXLWEUHDNHURIDODUJHUFDSDFLW\RUDVWHHORUFRSSHUZLUHPD\
UHVXOWLQDJHQHUDOXQLWIDLOXUHRU¿UH
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- If the damage is left uncorrected, the unit may fall and cause personal in-
MXU\RUSURSHUW\GDPDJH
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SURSHUGUDLQDJH:UDSWKHUPDOLQVXODWLRQDURXQGWKHSLSHVWRSUHYHQW
FRQGHQVDWLRQ
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and other possessions.
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a means of transportation. It is dangerous.
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on the unit base. Also support the outdoor unit at four points so that it can-
not slip sideways.
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play with them. If children play with a plastic bag which was not torn apart,
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- 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 operational season.
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- During and immediately after operation, the refrigerant pipes are may be
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ing through the refrigerant piping, compressor, and other refrigerant cycle
parts. Your hands may suffer burns or frostbite if you touch the refrigerant
pipes.
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- Outdoor units with the standard ROM will not function properly when con-
nected to the PFD model of indoor units.
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The unit is provided with the following accessories:
Part No. Accessories Qty Place to Set
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1 Eye bolt   Inside body
2+H[DJRQDONH\ 1 1 On the body
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