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(4) Operation control function by the outdoor controller ............................................166 ♦ Models FDCVA151 ~ 251 .....................................................................................166 ♦ Models FDCVA302 ~ 1002 ...................................................................................172 1.5 APPLICATION DATA ................................................................................................184 1.5.1 Installation of indoor unit ......................................................................................185 (1) Ceiling recessed compact type (FDTC)...............................................................185 (2) Ceiling recessed type (FDT) ................................................................................190 (3) Ceiling suspended type (FDEN) .........................................................................196 (4) Wall mounted type (FDKN)..................................................................................200 (5) Satellite ducted type (FDUM)...............................................................................203 (6) High static pressure duct type (FDU)...................................................................209 1.5.2 Installation of wired remote controller ..................................................................213 1.5.3 Installation of outdoor unit ....................................................................................214 (1) Haulage and installation ......................................................................................214 (2) Refrigerant piping work ........................................................................................216 (3) Air tightness test and air purge ............................................................................222 (4) Refrigerant charge ...............................................................................................223 (5) Drain piping work .................................................................................................224 (6) Electrical wiring ....................................................................................................224 (7) Setting functions using the wired remote controller .............................................227 (8) Checking operation data ......................................................................................232 (9) Test run ................................................................................................................233 1.6 MAINTENANCE DATA ..............................................................................................236 1.6.1 Servicing .............................................................................................................236 1.6.2 Trouble shooting for refrigerant circuit ..................................................................237 1.6.3 Diagnosing of microcomputer circuit ....................................................................238 (1) Selfdiagnosis function ..........................................................................................238 (2) Procedures of trouble diagnosis ..........................................................................241 (3) Error diagnosis procedures at the indoor unit side ..............................................241 (4) Error diagnosis procedures at the outdoor unit side ............................................259 (5) Inspection procedure for the failure which doesn’t have an error code ................288 (6) Check anomalous operation data with the wired remote controller .....................289 1.6.4 Check display on wireless specifi cation models (FDEN · FDKN· FDT) ...............290 - 3 -
1.1 GENERAL INFORMATION 1.1.1 Specific features (1) All models employ R410A, with RoHS compliance. (2) Industry leading COP. Thanks to achievement of the highest COP level in the industry, the energy consumption has been cut by 24~38% compared with our former models (constant speed models). (3) Energy labeling “Class A” MHI models have cleared the class A standard, the highest energy saving level, with their high COP (coefficient of performance). (4) The microcomputer chip is installed in the indoor unit and outdoor unit. There is no need for the unit to communicate between the outdoor and indoor units so the unit is more resistant to electromagnetic noise thus the incidence of microcomputer malfunction has been reduced. The compressor in the outdoor unit has its own self protection function, that reacts according to abnormal high pressure and excessive high temperature. (5) There are only three power lines between the outdoor and indoor unit. One cabtyre cable with 3 wires encased in one sheath is enough for conducting the wiring work between the outdoor unit and the indoor unit. This contributes to simpler wiring work in the field. (6) All air supply ports have auto swing louvers. (Only case of FDTC, FDT, FDEN and FDKN models). The indoor fan motor has three speeds of high, medium and low. (7) All models have service valves protruding from the outdoor unit for faster flare connection (FDCVA802, 1002: Only a gas side is brazing) work in the field. (8) The size and weight of the outdoor units in the FDCVA 151~251,302 Series have been greatly reduced. Use of an inverter has also improved energy conservation and economy. (9) Compared to the previous models, a single fan is used in the FDCVA402~602 outdoor unit models and forward blowing is used in the FDCVA802 and FDCVA1002 models,resulting in markedly reduced weight and greater compactness.In addition, use of an inverter makes these units much more economical compared to the previous fixed speed units. (10) Realization of significant reduction in size and weight compared with our former models, applying front blow outlet on all models. Reductions are 50% in weight of 6HP, 72% in volume of 8HP and 63% in the foot print of 8HP. 1.1.2 How to read the model name Example: FDT V A 25 1 H EN P 1 R RoHS specification : Single type (blank) P: Twin type T: Triple type D: Double twin type Applicable power source ... See the specifications Heat pump type Series No. Product capacity R410A models Inverter specification Model name FDTC : Ceiling recessed compact type unit FDT : Ceiling recessed type unit FDEN : Ceiling suspended type unit FDUM: Satellite ducted type unit FDU : High static pressure duct type unit FDKN : Wall mounted type unit FDC : Outdoor unit - 4 -
Page 1 and 2: Manual No. '07·PAC-T-115 TECHNICAL
Page 3: 1. PACKAGED AIR-CONDITIONER CONTENT
Page 7 and 8: Item Model FDTCVA201HEN1R Model FDT
Page 9 and 10: Item Model FDTCVA402HENP2R (Indoor
Page 11 and 12: (c) Triple type Item Model FDTCVA60
Page 13 and 14: (2) Ceiling recessed type (FDT) (a)
Page 15 and 16: Item Model FDTVA251HEN1R Model FDTA
Page 19 and 20: Item Model FDTAV502HEN2R Model FDTA
Page 23 and 24: (b) Twin type Item Model FDTVA302HE
Page 25 and 26: Item Model FDTVA402HESP2R (Indoor u
Page 31 and 32: Item Model FDTVA1002HESP2R (Indoor
Page 33 and 34: Item Model FDTVA602HEST2R (Indoor u
Page 35 and 36: (d) Double twin type Item Model FDT
Page 37 and 38: (3) Ceiling suspended type (FDEN) (
Page 39 and 40: Item Model FDENVA251HEN1R Model FDE
Page 47 and 48: (b) Twin type Item Model FDENVA302H
Page 49 and 50: Item Model FDENVA402HESP2R (Indoor
Page 55 and 56:
Item Model FDENVA1002HESP2R (Indoor
Page 57 and 58:
Item Model FDENVA602HEST2R (Indoor
Page 59 and 60:
(4) Satellite ducted type (FDUM) (a
Page 61 and 62:
Item Model FDUMA302HEN2R Model FDUM
Page 63 and 64:
Item Model FDUMVA402HES2R Model FDU
Page 65 and 66:
Page 67 and 68:
Page 69 and 70:
Item Model FDUMVA402HESP2R(Indoor u
Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
Item Model FDUMVA1002HESP2R(Indoor
Page 77 and 78:
Item Model FDUMVA602HEST2R(Indoor u
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(5) High static pressure duct type
Page 81 and 82:
(6) Wall mounted type (FDKN) (a) Si
Page 83 and 84:
Item Model FDKNVA251HEN1R Model FDK
Page 85 and 86:
Item Model FDKNVA402HENP2R (Indoor
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Item Model FDKNVA502HENP2R (Indoor
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(c) Triple type Item Model FDKNVA60
Page 91 and 92:
1.2.2 Range of usage & limitations
Page 93 and 94:
Double-twin type Outdoor unit L Ind
Page 95 and 96:
(b) Ceiling recessed type (FDT) Mod
Page 97 and 98:
Model FDTA401R Unit : mm 860~890 (C
Page 99 and 100:
(c) Satellite ducted type (FDUM) Mo
Page 101 and 102:
Models FDUMA402R, 502R, 602R Unit :
Page 103 and 104:
(e) Ceiling suspended type (FDEN) M
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Model FDKNA251R 60 44 3 60 813 840
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(b) Wireless remote controller Unit
Page 109 and 110:
Model FDCVA251HENR Unit: mm 471.5 5
Page 111 and 112:
Models FDCVA402HENAR, 502HENAR, 602
Page 113 and 114:
Model FDCVA1002HESAR Liquid piping
Page 115 and 116:
Page 117 and 118:
1.2.5 Exterior appearance (1) Indoo
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Model FDCVA1002HESAR Polar white -
Page 121 and 122:
Models 402, 502, 602 Indoor unit Ga
Page 123 and 124:
Models 802, 1002 Gas branch pipe (
Page 125 and 126:
(4) Double twin type Models 802, 10
Page 127 and 128:
1.2.7 Selection chart Correct the c
Page 129 and 130:
3) Models 802, 1002 Capacity compen
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(2) Power consumption correction fa
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2) Models 402~602 FDCVA402 ~ 602 Po
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3) Models 802, 1002 1.10 1.00 Indoo
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Ambient air temperature -5°C Equiv
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FDUMA302R 120 FDUMA402R 120 Static
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1.2.9 Noise level Notes (1) The dat
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Models FDUMA502R, 602R Noise level
Page 145 and 146:
1.3 ELECTRICAL DATA 1.3.1 Electrica
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Model FDTA501R, 601R ThI-A ThI-R1 T
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(d) Satellite ducted type (FDUM) Mo
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(f) Wall mounted type (FDKN) Models
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Model FDCVA302HENR M RD L1 N Meanin
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RD WH BL BK Tho-IP Tho-A Tho-S Tho-
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1.4 OUTLINE OF OPERATION CONTROL BY
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(2) Operation control function by t
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4) Weekly Timer Each day, it is pos
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(k) Condensate pump motor (DM) Cont
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a) At shipping from factory J1 (SW7
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(4) Operation control function by t
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FDCVA251 Cooling Heating Compressor
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2) Anomalous discharge pipe tempera
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(n) Low voltage protection control
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Models FDCVA402~1002 1) Conditions
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3) Snow protection fan control In c
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(f) Defrosting (i) Defrosting start
Page 181 and 182:
(iii) Current safe control 1) If th
Page 183 and 184:
(k) Outdoor heat exchanger thermis
Page 185 and 186:
1.5 APPLICATION DATA SAFETY PRECAUT
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(c) Suspension • Please arrange f
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♦ Setup from a remote controller
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(2) Ceiling recessed type (FDT) (a)
Page 193 and 194:
) Give the drain piping a descendin
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4) Removing the air return grille
Page 197 and 198:
8) Corner panel installation Hook
Page 199 and 200:
3) Remove the suspension lug. Take
Page 201 and 202:
WARNING Use the fitting supplied wi
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2) Cautions for left take-out and r
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M10 nuts Suspension bolt Suspension
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• There is a possibility that the
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Forced drain pump operation ♦ Set
Page 211 and 212:
(b) Installation When delivering t
Page 213 and 214:
(e) Drain Test When the drain pipin
Page 215 and 216:
1.5.3 Installation of outdoor unit
Page 217 and 218:
(2) Refrigerant piping work Select
Page 219 and 220:
8 8 (iv) Double twin type Models FD
Page 221 and 222:
(d) How to remove the side cover
Page 223 and 224:
4) After connection of the connecti
Page 225 and 226:
(b) Charging refrigerant 1) Since R
Page 227 and 228:
5) Set the same address for the mas
Page 229 and 230:
Indoor unit functions (I/U FUNCTION
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When “I/U FUNCTION ” is selecte
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• If the RESET button is pressed
Page 235 and 236:
Models FDCVA302 ~ 1002 WARNING }
Page 237 and 238:
1.6 MAINTENANCE DATA 1.6.1 Servicin
Page 239 and 240:
1.6.3 Diagnosing of microcomputer c
Page 241 and 242:
(b) Display sequence of error, insp
Page 243 and 244:
Parts layout on the indoor unit PCB
Page 245 and 246:
Model: FDEN series PCB power supply
Page 247 and 248:
Model: FDUM, FDU series Connector (
Page 249 and 250:
Red LED Green LED Indoor unit 3 tim
Page 251 and 252:
Models 302~1002 The “ WAIT ” di
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3 Error display : E1 [Communication
Page 255 and 256:
6 Error display : E8 [Heating overl
Page 257 and 258:
10 Error display : E16 Red LED Gree
Page 259 and 260:
11 Error display : E28 [Defective r
Page 261 and 262:
Parts layout on the outdoor unit PC
Page 263 and 264:
Page 265 and 266:
Models FDCVA402HESAR, 502HESAR, 602
Page 267 and 268:
Model FDCVA302HENR Outdoor unit ch
Page 269 and 270:
Resistance check: Resistance is mea
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1 Error display : E5 [Communication
Page 273 and 274:
4 Error display : E35 [Cooling over
Page 275 and 276:
5 Error display : E36 [Discharge te
Page 277 and 278:
8 Error display : E39 [Defective di
Page 279 and 280:
11 Error display : E42 Red LED Gree
Page 281 and 282:
14 Error display : E48 [DC Fan moto
Page 283 and 284:
Error display : [Inverter, fan moto
Page 285 and 286:
Error display : [Power transistor t
Page 287 and 288:
[Compressor loader position detecti
Page 289 and 290:
(5) Inspection procedure for the fa
Page 291 and 292:
1.6.4 Check display on wireless spe
Page 293 and 294:
2.1 GENERAL INFORMATION 2.1.1 Speci
Page 295 and 296:
2.2 SELECTION DATA 2.2.1 Specificat
Page 297 and 298:
Models FDTA301R, 401R Item Model FD
Page 299 and 300:
(c) Ceiling suspended type (FDEN) M
Page 301 and 302:
Model FDENA501R Item Nominal coolin
Page 303 and 304:
Model FDKNA251R Item Nominal coolin
Page 305 and 306:
Models FDUMA402R, 502R Item Models
Page 307 and 308:
Item Model FDCVA402HENAR Power sour
Page 309 and 310:
Models FDCVA502HENAR, 602HENAR Item
Page 311 and 312:
Model FDCVA802HESAR, 1002HESAR Item
Page 313 and 314:
FDUM Series (220-240V 50Hz/220V 60H
Page 315 and 316:
2.2.2 Range of usage & limitations
Page 317 and 318:
Double-twin type Outdoor unit L Ind
Page 319 and 320:
3. WIRELESS KIT (OPTIONAL PARTS) 3.
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Turn switches provided on the back
Page 323 and 324:
3.2 FDTC • FDUM • FDU series Th
Page 325 and 326:
d) Installation with enclosed brack
Page 327:
MULTI-TYPE (V-MULTI) PACKAGED AIR-C
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