Page 2 - CONTENTS
FDC-HKXR 936 CONTENTS 20.1 GENERAL INFORMATION ...................................................................... 937 20.1.1 Specific features ............................................................................... 937 20.1.2 How to read the model name ......................................
Page 3 - GENERAL INFORMATION; Fuzzy control; operation; Super lynk system
FDC-HKXR 937 20.1 GENERAL INFORMATION 20.1.1 Specific features (1) Fuzzy control (a) Response speed and stability are enhanced. • The system automatically controls changes of return air temperature, set temperature and room temperature according to the fuzzy control. • The system response speed, can...
Page 4 - Standard; Installation of automatic address setting function; address needs be set as usual.; Connectable indoor capacity; Number of connectable units: 1 to 8 units
FDC-HKXR 938 (5) Cooling opetation down to -5˚C outdoor temperature (6) Indoor units are available with 9 capacities, in 9 types and 54 models. ● 9 capacities…22(0.8 HP), 28(1 HP), 36(1.25 HP), 45(1.6 HP), 56(22 HP), 71(2.5 HP), 90(3.2 HP), 112(4 HP) and 140(5 HP). ● 9 types…Ceiling recessed type(FD...
Page 5 - Example: FDC P 2001 H KXR E 2
FDC-HKXR 939 20.1.2 How to read the model name Example: FDC P 2001 H KXR E 2 CE marking model Application power source...See the specifications Multi KXR series Heat pump type Nominal capacity R407C models Model name Indoor unit : FDT, FDTW, FDTS, FDR, FDUM FDE, FDK, FDFL, FDFU Outdoor unit : FDC 20...
Page 29 - method shown in the next page.; (a) Operating characteristic of outdoor unit; (b) Operating characteristic of indoor unit; FDT Series; JIS B8616 “UNITARY AIR-CONDITIONERS”; FDTS Series
963 FDC-HKXR (3) Operation chart Since the Multi KXR series air conditioner units are free multitype to which the indoor units of different capacity and different model can be combined, the operation characteristics of all combinations are very complicated, therefore only the individual operation ch...
Page 30 - (c) Calculation of total operation characteristics; Item; Operation characteristics of each unit
964 FDC-HKXR Item Models FDK Series FDFL, FDFU Series FDK, FDFL, FDFU Series (220 V/240 V) Power input (kW) Running current (A) 0.06/0.07 0.31/0.33 0.05/0.06 0.26/0.28 0.08/0.09 0.36/0.39 0.09/0.11 0.41/0.48 0.09/0.10 0.41/0.42 0.09/0.10 0.40/0.41 0.09/0.10 0.40/0.41 28 22 36 45 56 71 28 45,56 71 No...
Page 31 - • Correction factor of compressor power input
965 FDC-HKXR • Correction factor of compressor power input 1.0 0.8 0.6 0.4 0.2 45 105 164 224 (Below, the coefficients are the same.) Total capacity of indoor unitsoperating simulataneously (Below, the coefficients are the same.) Power consumption correction coefficietnt Model FDCP2001HKXRE2 1.0 0.8...
Page 32 - Outdoor unit
966 FDC-HKXR System FDCP2001HKXRE2 FDCP2501HKXRE2 Refer to the selection chart. 1 to 8 units 20.2.2 Range of usage & limitations Item Indoor intake air temperature(Upper, lower limits) Outdoor air temperature(Upper, lower limits) Single direction piping lenght Indoor unit MAX 100m MAX 30m 6 min ...
Page 33 - or less
967 FDC-HKXR Models FDTJ28HKXE2, 36HKXE2, 45HKXE2, 56HKXE2, 71HKXE2, 90HKXE2 20.2.3 Exterior dimensions Unit : mm Decorative Panel VIEW A VIEW D VIEW C VIEW B Space for installation and service (1) Indoor unit (a) Ceiling recessed type (FDT) Liquid piping28, 36, 45 type: φ 6.35(1/4") 56, 71, 90 ...
Page 35 - VIEW A
969 FDC-HKXR or more or more 169 295~ 325 100or more 100 or more 1500 1500 1015 40 90 885 468 417 640 97 97 446 70 50 817 178 200 240 130 8 280 750 or less (Max. Drain up) 178 460 240 200 130 100 140 20 20 74 124 56 56 (Suspension bolts pitch) (Ceiling hole size) (Suspension bolts pitch) Holes forta...
Page 41 - Model FDRJ22HKXE2; VIEW C
975 FDC-HKXR Model FDRJ22HKXE2 Unit : mm VIEW C Canvas Panel (Model: R-PNLC -26W-E) VIEW B VIEW A Space for installation and service Suspension bolts(M10 × 4pcs.) 130 750 345 405 433 353 295~325 150~300 299 274 199 149 35 600 or less Max. Drain up Drain (VP20) (Natural drainage) ↑ A B ↓ Canvas duct ...
Page 51 - Model FDEJ 71HKXE2B
985 FDC-HKXR (f) Ceiling suspension type (FDE) Model FDEJ 71HKXE2B Unit : mm Unit : mm Space for installation and service Space for installation and service Models FDEJ36HKXE2B, 45HKXE2B, 56HKXEB2 Note (1) The slope of drain piping inside the unit is able to take incline of 10 mm Note (1) The slope ...
Page 54 - Detail of mounting plate
988 FDC-HKXR Model FDKJ71HKXE2 (h) Floor standing exposed type (FDFL) Models FDFLJ28HKXE2, 45HKXE2, 71HKXE2 195 630 250 220 225 197 80 205 205 180 23 10 126 166 177 93 148 223 184 234 315 223 195 806 (1091) 197 225 32 98 Slotted hole forwall mounting4-12 × 24 Floor fixing metal brakcet (Accessory)10...
Page 56 - Allowable rang of wire thickness and length
990 FDC-HKXR (2) Remote controller (Optional parts) 16 Remote controller mounting dimensions 47 7 Standard Within 0.3 mm 2 × Within 100 m 0.5 mm 2 × Within 200 m 0.75 mm 2 × Within 300 m 1.25 mm 2 × Within 400 m 2 mm 2 × Within 600 m Allowable rang of wire thickness and length ♦ Usable JIS box, JIS ...
Page 57 - HPFD01R-E
991 FDC-HKXR (3) Individual flow divide controller (Optional Part) HPFD01R-E Notes (1) Do not operate the unit without the indoor unit connected to the individual flow divide controller. (2) Be sure to install the included strainer in the outdoor discharge gas connection pipe. (3) Do not install the...
Page 58 - Anchor bolt hole; Dimensions after connecting included refrigerant piping
992 FDC-HKXR (4) Outdoor unit 168 145 100 105 108 150 187 100 75 100 190 110 65 98 350 78 250 240 163 118 143 50 850 250 30 15 52 100 15 524 35 645 150 40 50 625 513 36 640 1700 24 50 1350 600 L 2 L 3 L 1 170 80 110 L 4 ( ) Back Refrigerant discharge gas piping connection pipe Wire entry hole ( φ 50...
Page 59 - Indoor unit
993 FDC-HKXR 20.2.4 Exterior appearance (1) Indoor unit (a) Ceiling recessed type (FDT) ● Decorative panel (b) 2-way outlet ceiling recessed type (FDTW) ● Decorative panel (i) Standard type (ii) Attachment of ceiling material type Panel part No. Type Panel color Applicable model TW-PSA-22W-E TW-PSA-...
Page 62 - Indoor unit B
996 FDC-HKXR Heat exchange thermistor (Th 1 - R ) Intake Thermistor (Th 1 - A ) ø 15.88 (5/8") SVC SVH SVL SVG SVC SVH SVL Liquid piping ø 12.7 (1/2") Discharge gas piping ø 19.05 (3/4") Service valve (with charge port) Check joint Flange DPR 2 DPR 1 20SS 20SL SVS SVL DPR 3 20 VF 20 VU D...
Page 63 - Note: Refer to page 997 and 998 for the correction coefficient.
997 FDC-HKXR 20.2.6 Selection chart Indoor unit Each indoor unit = System performance (a) Coefficient of cooling and heating capacity in relation to temperatures Outdoor unit System performance = (1) Correct the cooling and heating capacity in accordance with the conditions as follows.The net coolin...
Page 64 - Adjustment coefficient; Total capacity of indoor units operating simultaneously
998 FDC-HKXR (2) Correction of outdoor unit capacity according to capacity of indoor unit to be operated simultaneously (d) Correction of heating capacity in relation to the frost on the outdoor unit heat exchanger (c) When the outdoor unit is located at a lower height than the indoor unit in coolin...
Page 65 - Example
999 FDC-HKXR FDCP2501HKXRE2 Capacity Correction Calculations (The procedure for both cooling and heating is the same.) Corrction whencooling? Performance correction of indoor unit = System performance [Example] FDTJ90HKXE2 23.8 = 7.65kW Indoor unit capacity Total capacity of indoor units operating s...
Page 66 - TC
1000 FDC-HKXR (3) Sensible heat capacity (a) FDT Series Model FDTJ28HKXE2 12 Outdoor air temp. ( ° CDB) 27 29 31 33 35 37 39 Indoor air temperature 17.0 ° CWB TC 2.89 2.83 2.76 2.68 2.60 2.53 2.46 SHC 2.58 2.55 2.52 2.49 2.46 2.43 2.40 18.0 ° CWB TC 2.98 2.91 2.85 2.77 2.70 2.63 2.56 SHC 2.60 2.57 2...
Page 68 - Model FDTSJ28HKXE2B
1002 FDC-HKXR Note (1) Symbols are as follows : TC : Total cooling capacity (kW) SHC : Sensible heat capacity (kW) (b) FDTS Series Model FDTSJ22HKXE2B 11 Outdoor air temp. ( ° CDB) 27 29 31 33 35 37 39 Indoor air temperature 17.0 ° CWB TC 2.27 2.22 2.17 2.11 2.05 1.99 1.93 SHC 2.04 2.02 2.00 1.98 1....
Page 69 - Model FDTSJ71HKXE2B; Model FDRJ28HKXE2
1003 FDC-HKXR Model FDTSJ71HKXE2B 18 Outdoor air temp. ( ° CDB) 27 29 31 33 35 37 39 Indoor air temperature 17.0 ° CWB TC 7.36 7.19 7.01 6.83 6.60 6.43 6.22 SHC 5.56 5.49 5.41 5.33 5.23 5.15 5.06 18.0 ° CWB TC 7.57 7.40 7.23 7.06 6.89 6.66 6.48 SHC 5.59 5.52 5.45 5.37 5.30 5.21 5.13 19.0 ° CWB TC 7....
Page 70 - Model FDRJ56HKXE2; Model FDRJ71HKXE2
1004 FDC-HKXR Model FDRJ56HKXE2 14 Outdoor air temp. ( ° CDB) 27 29 31 33 35 37 39 Indoor air temperature 17.0 ° CWB TC 5.80 5.67 5.53 5.39 5.21 5.07 4.91 SHC 4.36 4.30 4.24 4.18 4.10 4.04 3.97 18.0 ° CWB TC 5.97 5.84 5.70 5.57 5.43 5.25 5.11 SHC 4.39 4.33 4.27 4.21 4.16 4.08 4.02 19.0 ° CWB TC 6.13...
Page 71 - Model FDUMJ45HKXE2
1005 FDC-HKXR Model FDRJ140HKXE2 34 Outdoor air temp. ( ° CDB) 27 29 31 33 35 37 39 Indoor air temperature 17.0 ° CWB TC 14.50 14.17 13.83 13.47 13.02 12.68 12.26 SHC 10.78 10.63 10.48 10.31 10.12 9.97 9.78 18.0 ° CWB TC 14.92 14.59 14.25 13.92 13.58 13.13 12.77 SHC 10.84 10.69 10.55 10.40 10.26 10....
Page 72 - Model FDUMJ71HKXE2; Model FDUMJ90HKXE2
1006 FDC-HKXR Model FDUMJ71HKXE2 18 Outdoor air temp. ( ° CDB) 27 29 31 33 35 37 39 Indoor air temperature 17.0 ° CWB TC 7.36 7.19 7.01 6.83 6.60 6.43 6.22 SHC 5.56 5.49 5.41 5.33 5.23 5.15 5.06 18.0 ° CWB TC 7.57 7.40 7.23 7.06 6.89 6.66 6.48 SHC 5.59 5.52 5.45 5.37 5.30 5.21 5.13 19.0 ° CWB TC 7.7...
Page 74 - Model FDKJ28HKXE2
1008 FDC-HKXR Model FDEJ112HKXE2B 28 Outdoor air temp. ( ° CDB) 27 29 31 33 35 37 39 Indoor air temperature 17.0 ° CWB TC 11.60 11.33 11.07 10.77 10.42 10.15 9.81 SHC 8.72 8.60 8.48 8.35 8.20 8.08 7.93 18.0 ° CWB TC 11.94 11.67 11.40 11.13 10.86 10.51 10.21 SHC 8.77 8.66 8.54 8.42 8.31 8.16 8.04 19....
Page 75 - Model FDKJ45HKXE2
1009 FDC-HKXR Model FDKJ56HKXE2 17 Outdoor air temp. ( ° CDB) 27 29 31 33 35 37 39 Indoor air temperature 17.0 ° CWB TC 5.80 5.67 5.53 5.39 5.21 5.07 4.91 SHC 4.75 4.69 4.64 4.57 4.50 4.44 4.37 18.0 ° CWB TC 5.97 5.84 5.70 5.57 5.43 5.25 5.11 SHC 4.78 4.73 4.67 4.62 4.56 4.49 4.43 19.0 ° CWB TC 6.13...
Page 77 - External static pressure table; How to interpret the blower characteristics table
1011 FDC-HKXR 20.2.7 Characteristics of fan (1) Cassetteria type (FDR) ● External static pressure table How to interpret the blower characteristics table Example : Case of FDRJ71HKXE2 1 2-spot blowout..................... Internal resistance increases morethan the standard 3-spot blowout.A p p r o x...
Page 79 - Lower
1013 FDC-HKXR Model FDRJ140HKXE2 3-spot blowerinternal resistance Square duct blower internal resistance Internal resistance without suction panel Internal resistance without filter 4-spot blower internal resistance [Standard] Standard •High Standard •Medium Standard •Low High speed • Upper limit St...
Page 82 - Mike position as below; Measured based on JIS B 8616; Mike position as below
1016 FDC-HKXR 20.2.8 Noise level Notes (1) The data are based on the following conditions. Ambient air tempetature: Indoor unit 27˚C DB, 19˚C WB. Outdoor unit 35˚C DB (2) The data in the chart are measuted in an unechonic room. (3) The noise levels measured in the field are usually higher than the d...
Page 84 - Unit
1018 FDC-HKXR Models FDRJ71HKXE2, 90HKXE2 Noise level 44 dB (A) at HIGH41 dB (A) at MEDIUM38 dB (A) at LOW Model FDRJ112HKXE2 Noise level 46 dB (A) at HIGH43 dB (A) at MEDIUM39 dB (A) at LOW Model FDRJ140HKXE2 Noise level 47 dB (A) at HIGH44 dB (A) at MEDIUM40 dB (A) at LOW Mid octave band frequency...
Page 88 - Models All models
1022 FDC-HKXR 20.3 ELECTRICAL DATA 20.3.1 Electrical wiring (1) Indoor unit (a) Ceiling recessed type (FDT) Models All models Meaning of marks Mark Parts name M ark Parts name M ark Parts name FM I 49F I CF I DM FS LM LS SM X1,2,3,6 X4 X5 Fan motor Internal thermostat for FM I Capacitor for FM I Dra...
Page 89 - Models All models
1023 FDC-HKXR (b) 2-way outlet ceiling recessed type (FDTW) Models All models Meaning of marks Mark Parts name Mark Parts name Mark Parts name FM I 49F I CF I DM FS LM LS SM X1,2,3,6 X4 X5 Fan motor Internal thermostat for FM I Capacitor for FM I Drain motor Float switch (For overflow prevention) Lo...
Page 96 - • Meaning of marks
1030 FDC-HKXR (2) Individual flow divide controller Power source 1 phase 220/240V 50Hz Power source(between indoor unit) SVH SVC SVL SVG XR, X1, XR1 XH, X2, XR2 XR3 XR4 • Meaning of marks Notes (1) This illustration shows the circuit diagram for when 1 indoor unit is connected with a central flow di...
Page 98 - OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER; Note; the purpose of explanation.; Pull the knob on the cover to this side to open it downward.
1032 FDC-HKXR 20.4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER (1) Remote controller (Optional parts) FDR,FDUM,FDFL and FDFU series are not provided with AUTO SWING switch. FILTER RESET CHECK F A NSPEED A U T OS W I N G TIMER SET MODE T E M PT I M E PROGRAM TIMER ON OFF P M A M SET TEMP Lo Mi Hi F...
Page 99 - Frequency bands for indoor unit models; Heating operation
1033 FDC-HKXR (3) Operations of major functional items under each operation mode Notes (1) : ON, : OFF, / : ON or OFF (2) Cooling and heating also include auto mode. (3) Off if jumper wire (J3) is short circulated (factory setting) and open. (4) Cooling operation (a) Cooling 1) If the sum of selecte...
Page 100 - (b) Heating operation with thermostat OFF; Operation block
1034 FDC-HKXR (5) Dehumidifying (Thermal dry) • This cooling operation is mainly for dehumidifying, with which the compressor, indoor and outdoor fans are operated in the patterns as listed in the following table and in accordance with operation blocks switched with the room temperature sensor. The ...
Page 102 - Flow chart of drain motor operation
1036 FDC-HKXR (10) Condensate pump motor (DM) control (Only FDT, FDTW, FDTS, FDR, FDUM models) (a) Drain motor is started no sooner than the compressor is turned ON during cooling or dehumidifying operation. The drain motor continues to operate for 2 minutes after the stop of unit operation, stop wi...
Page 103 - Outdoor unit heat exchanger temp.; (b) Operation of functional components in defrosting
1037 FDC-HKXR 1) The cumulative operating time of the compressor comes up to 45 minutes after completion of a defrosting operation, or it comes up to 30 minutes after a heating operation starts (the remote controller is turned on). 2) Five minutes has passed after the compressor was turned off and o...
Page 105 - HP protection; Capacirty
1039 FDC-HKXR The high pressure control consists of the HP protection, HP-A control, HP-B control and LP control and the order of priority among them is assigned as HP protection >HP-A > LP > HP-B down > HP-B up. (16) High pressure control Pressure switch [If 63H1: 3.24 open/2.65 close M...
Page 107 - Compressor operating frequency increase control
1041 FDC-HKXR (a) In the case that at least one in-door unit requires the maximum frequency supply during cooling or heating operation for 6 minutes continuously, the compressor operating frequency is increased by 10 Hz. After that, the maximum frequency is increased by 10 Hz every continuous 6 minu...
Page 108 - (19) Devices related to unit protection and maintenance; according to request from the indoor unit.; (b) Expansion Valve Control for oil Return
1042 FDC-HKXR (19) Devices related to unit protection and maintenance (a) Test Run Mode The test run mode can be set from the outside by using the switch SW3-4,5 on the outdoor unit control circuit board (i) Switch function Remarks : Fuzzy control is not performed in test run operation. (Operation i...
Page 110 - Number of connected units
1044 FDC-HKXR (k) Protection of Power Transistor from Overheat When the temperature of the power transistor increases to the set temperature, stop the inverter immediately and let is reset by itself 3 minutes later. If the power transistor is overheated again within 2 hours, turn off 52C, bring it t...
Page 111 - APPLICATION DATA; SAFETY PRECAUTIONS; WARNING; lations can result in water leakage, electric shocks and fires.; CAUTION
1045 FDC-HKXR 20.5 APPLICATION DATA SAFETY PRECAUTIONS • Please read these “Safety Precautios” first then accurately execute the installation work. • Though the precautionary points indicated herein are divided under two headings, WARNING and CAUTION , those points which are related to the strong po...
Page 115 - ) In the case where the unit is exposed to strong wind.
1049 FDC-HKXR 3) Face-to-face installation Dimension Unit: mm Distance Item Diagonal Up air outlet L 1 1500 or more 500 or more L 2 1000 or more 500 or more Note (1) Make the air outlet the diagonal air outlet (standard) or the up air outlet (option). 4) Side-to-side & face-to-face installation ...
Page 116 - Fix the unit to the foundation with anchor bolts.
1050 FDC-HKXR (3) Installation Fix the unit in a proper way according to the condition of a place where it is installed by referring to the following. (a) Fix the unit to the foundation with anchor bolts. (b) When installing the unit, be sure to fix the pedestal of the unit with bolts. (c) Install t...
Page 117 - Compressor lock; Faulty oil return
1051 FDC-HKXR 20.5.4 Refrigerant piping (1) Precautions no refrigerant piping work for prevention against compressor lock Compressor trouble including lock and motor burn-out is due to faulty parts but mainly concerned in installation and refrigerant piping conditions, The precautions for refrigeran...
Page 118 - Branch pipe set part shapes; all flow divider pipes.; Intake gas piping
1052 FDC-HKXR (2) Refrigerant piping size selection Liquid piping Outdoor unit connection pipe Downstream indoor unit capacity total (1) FDCP2001 type Branch line Indoor unit connection pipe models Indoor side Outdoor side Flow divide controller connection pipe FDCP2501 type 160 or more less than 16...
Page 119 - Example of piping; Branch piping 2 Branch piping 3
1053 FDC-HKXR Liquid piping Flow dividerpipe set for ver-tical divides (DIS-V1KXR3E) Discharge gas piping Intake gas piping Individual flowdivide controller Individual flowdivide controller Indoor unit Outdoor unit Indoor unit (Example) Shapes of individual flow divide controller accessories (HPFD1R...
Page 120 - When the indoor unit capacity is 90 or more; Piping connection instructions (for the above example); Selection procedure; Gas line
1054 FDC-HKXR Use reducer A and process the φ 12.7 portion into a flare. Cut off reducer B using a pipe cutter as shown in the illustration and make a flare. Process the included reducer as illustrated below.Use the flare nuts included with the individual flow divide controller. When the indoor unit...
Page 122 - Connection to lower direction.; dimensions shown in the illustration at left.); How to connect piping
1056 FDC-HKXR 2) Connection to lower direction. a) Cut off the accessory intake gas side connection pipe and then connect to the intake gas side atraight pipe. b) Remove the back hall blank, pass through the hole the intake gas side, discharge gas side, and liquid pipes, and then connect them to the...
Page 123 - surface of the gas piping as discharge gas flows through it.; including indoor units can be tested as for airtightness.; Evacuating; even through the liquid side check joint only.)
1057 FDC-HKXR (4) Heat insulation ;;; ;;; ;;; ;;; ;;; ;; ;; Exterior tape Use insulation material with good resistance heat properties (120 ˚C or more). Gas lines Liquid piping Wires for connecting indoorand outdoor units Insulation (i) There is a need to insulate both gas and liquid piping with hea...
Page 125 - discrimination from the power supply wire is clear.; Recommended signal wire list; Vinyl cabtire round cord; Name
1059 FDC-HKXR (3) Wiring system Diagram When No. 4 shielding wire is used, always ground the single wire side of the shielding wire . In addition, using the shielding wire is helpful to prevent the incorrect connection between 5V DC and 220/240V or 380/415V AC because the discrimination from the pow...
Page 126 - Signal wire; Be sure to let the signal wire get in through the signal wire inlet.; Notes (1) The indoor and outdoor signal wiring are without polarity; Outdoor/Indoor units connection procedures
1060 FDC-HKXR Do not connect high voltage wire 380/415V to signal wires, as these wires are DC 5V. Signal wires should be connected so that the terminal Nos. conform with each other for between outdoor and between indoor units. However, they will work properly if different polarities are connected. ...
Page 128 - Allowable range of wire thickness and length; Standard Within
1062 FDC-HKXR (c) Settings for main and secondary units when multiple remote controllers are used. Up to two remote controllers can be used for each indoorunit (or each group of indoor units).1) There are two methods for arranging this. Onemethod is to take a remote control connection wire(3-strand)...
Page 130 - Erasing of addresses set with the automatic address setting; the address switches.
1064 FDC-HKXR 1) Set the address switch of outdoor unit at 49. (This is set at 49 at shipment from factory.) 2) Set the address switch of indoor unit at 49. (This is set at 49 at shipment from factory) 3) Turn power on for the indoor and outdoor units. Addresses are set automatically. (No. in a rang...
Page 131 - Detail of setting from the remote controller; switch. Press the room temperature; Change of address
1065 FDC-HKXR Detail of setting from the remote controller 1) If the power switch is turned on, the outdoor No. on the display flashes, and "--" on the return air temperature displaysection and "U--" on the time display section are lit.If power is not supplied to the outdoor unit, th...
Page 134 - Diagnosis of Microcomputer circuit; display and normal display lamps on PCBs of indoor/ outdoor units; Display section
1068 FDC-HKXR 20.6. MAINTENANCE DATA 20.6.1 Diagnosis of Microcomputer circuit (1) Confirmation of the error code on the remote controller (by pressing the inspection switch) and the inspection display and normal display lamps on PCBs of indoor/ outdoor units The microcomputer detects errors on elec...
Page 135 - ) Check Indicator Table
1069 FDC-HKXR E11 Keeps flashing Stays OFF Keeps flashing Stays OFF Remote controller addresses have been set while more than one units of remote controller are connected. 2) Check Indicator Table Whether a failure exists or not on the indoor unit and outdoor unit can be known by the contents of rem...
Page 138 - • Outdoor unit side
1072 FDC-HKXR Error Power supply check (indoor/outdoor unit) Replacement or repair of defective parts Test run/adjustment Check of unit controller Check of inspection display [In-door/outdoor unit PCB, remote c o n t r o l l e r o r I n d i c a t i o n b o a r d ] Check of inspection display [In-d o...
Page 139 - Error; source
1073 FDC-HKXR Error Are the return air temperature and Center/ Remote displayed on the remote controller? Power switch OFFPower supply line error Check the errorcode displayed ON/OFFswitch OFF Microcomputerout of control Power supply line error See page 1077 Cause is accidental (noise, etc.)and the ...
Page 140 - Electro magnetic noise prevention(example); (2) Effect of noise; (b) Eroor diagnosis procedures at the indoor unit side; (c) Error diagnosis procedures at the outdoor unit side
1074 FDC-HKXR Interisified shielding of control section Use the shield or twist pair wires Remote controller wire Remote controller Put in a steel case Separate from cutting machine as for as possible. This is very effective because the effect of noise is in inverse proportion to 1.5 times of distan...
Page 143 - connection) at outdoor unit terminal block
1077 FDC-HKXR Did turn off the power of outdoor unit during operation? Power supplyON NO (1) YES YES NO Note (1) This case is limited to the separate power supplies to indoor/outdoor units. (Combination of (indoor unit) red LED 2 time flash and (outdoor unit) green LED stays off means that the power...
Page 144 - phase of 52C secondary side (CM
1078 FDC-HKXR Indoor unit Red LED Green LED Stays OFF Keeps flashing Red LED Green LED 8 time flash Keeps flashing Outdoor unit Is the unit No. duplicated on outdoor units? Correction YES NO Defective outdoor unit PCB Replacement (Defective unit No. read circuit) Note (1) When the PCB is defective, ...
Page 145 - [Defective outdoor unit heat exchanger thermistor]; [Defective outdoor temperature thermistor]; temperature characteristics; Thermistor resistance (k
1079 FDC-HKXR Is the outdoor unit heat exchanger hermistor connector OK? Repair YES NO Are the outdoor unit heat exchnger thermistor characteristics OK, is there any broken wire? Defective outdoor unitheat exchanger thermistor → Replacement YES NO Is the outdoor air temperature thermistor connector ...
Page 146 - Thremistor resistance (k
1080 FDC-HKXR 9 Red LED Green LED Stays OFF Keeps flashing Outdoor unit Red LED Green LED 3 time flash Keeps flashing Indoor unit Note (1) When the wire of 63H 1 is broken from the moment of power on, the error E 40 is displayed 40 minutes later. If the operation is started in this period of time, t...
Page 148 - Defective compressor; Current cut is indicated and the compressor cannot operate
1082 FDC-HKXR Is the current cut function activated? Is the insullaiton resistance of the compressor (1) proper? NO YES YES NO YES NO YES NO Notes (1) When a short-circuit or ground-fault occurs in the compressor motor, the current cut function is also activated. Notes (1) If the insulation resistan...
Page 149 - [Excessive number of indoor units connected]
1083 FDC-HKXR Does the LD1 (Green) on the inverter PCB flash? Is the power supply line normal? Does the LD4 (red) on the inverter PCB light? (2) Defective inverter PCB Repair • Defective inverter PCB• Defective outdoor unit PCB• Broken Cnl in No.5 (See next page)- The outdoor unit PCB cannot receive...
Page 150 - Four way valve does not switch during heating operation; [Automatic address setting and manual address
1084 FDC-HKXR Power supply detected between outdoor unit terminal 5 ~PCB faston terminal 6 (black)? Defective 20 S → Replacement Defective outdoor unit PCB → Replacement Four way valve does not switch during heating operation • When communication is checked by the connector CnI, each value will be a...
Page 152 - Heating operation does not start
1086 FDC-HKXR Defective indoor unit PCB → Replace. NO YES YES (1) Defective SVH (high pressure gas side solenoid valve) → Replace. NO YES Defective relay (XH) → Replace. Defective relay → Replace. Is heat outputted? NO Are solenoid valve control relays OK? Is AC 200V applied at shunt controller conn...
Page 156 - Troubleshooting on the inverter side
1090 FDC-HKXR YES YES YES NO NO YES YES YES NO YES YES YES YES YES YES YES YES Check the outdoor unit control PCB. Check the wire between thecapacitor and Cn2 and checkthe connector. Check the compressor. Defective inverter PCB → Replacement Defective inverter PCB → Replacement. Defective capacitor ...
Page 158 - MEMO
Page 161 - FDFUJ; (1) Correct the cooling and heating capacity in; FDCP; (2) Correction of outdoor unit capacity according to capacity
19.2.6 Selection chart (1) Correct the cooling and heating capacity in accordance with the conditions as follows. (3)Sensible heat capacity FDFUJ 28HKXE2 45HKXE256HKXE271HKXE2 (1) Correct the cooling and heating capacity in accordance with the conditions as follows. (3)Sensible heat capacity FDCJ/ F...
Page 163 - APPLICATION DATA
19.5 APPLICATION DATA SAFETY PRECAUTIONS 19.5.1 Installation of indoor unit SAFETY PRECAUTIONS 19.5.1 Installation of indoor unit (1) Ceiling recessed type (FDT) (2) 2-Way outlet ceiling recessed type (FDTW) (3) 1-Way outlet ceiling recessed type (FDTS) (4) Cassetteria type (FDR) (5) Satellite ducte...
Page 164 - MAINTENANCE DATA
19.6 MAINTENANCE DATA (1)Before starting troubleshooting (P904 ~ P908) (2)Procedures of trouble diagnosis (P908 ~ P933) (3)Trouble diagnosis at the inverter side (P933 ~ P934)
Page 167 - FDTJ; Alternative refrigerant R407C use models
20.2.6 Selection chart (1) Correct the cooling and heating capacity in accordance with the conditions as follows. (3)Sensible heat capacity FDFUJ 28HKXE2 45HKXE256HKXE271HKXE2 (1) Correct the cooling and heating capacity in accordance with the conditions as follows. (3)Sensible heat capacity FDTJ 28...
Page 169 - APPLICATION DATA
20.5 APPLICATION DATA SAFETY PRECAUTIONS 20.5.1 Installation of indoor unit SAFETY PRECAUTIONS 20.5.1 Installation of indoor unit (1) Ceiling recessed type (FDT) (2) 2-Way outlet ceiling recessed type (FDTW) (3) 1-Way outlet ceiling recessed type (FDTS) (4) Cassetteria type (FDR) (5) Satellite ducte...
Page 170 - (1) Confirmation of the error code on the remote
20.6.1 Diagnosis of Microcomputer circuit (1) Confirmation of the error code on the remote controller (by pressing the inspection switch) and the inspection display and normal display lamps on PCBs of indoor/ outdoor units (P1068 ~ P1072) (2) Procedures of trouble diagnosis (P1072 ~ P1087) (3) When ...
