Mitsubishi Heavy Industries FDCH335CKXE6G-K Technical Manual
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Mitsubishi Heavy Industries FDCH335CKXE6G-K Technical Manual

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TECHNICAL MANUAL
VRF INVERTER MULTI-SYSTEM AIR CONDITIONERS
High Head Models 
(OUTDOOR UNIT)
Single use (Used also for combination)
FDCH335CKXE6G-K
615CKXE6G, 680CKXE6G
※FDC335KXE6G-K&FDC560KXE6G-K are only used for combining with other models.
Combination use
FDCH735CKXE6G, 800CKXE6G, 850CKXE6G, 900CKXE6G, 960CKXE6G, 1010CKXE6G,
1065CKXE6G, 1130CKXE6G, 1180CKXE6G, 1235CKXE6G, 1300CKXE6G, 1360CKXE6G
In this Technical Manual,the High Head Models of outdoor units only are shown. Regarding the
standard models please see the Manual No. ' 09
SM-128 (Service Manual)
Service code
Outdoor unit
FDCH335CKXE6G-K
FDCH1360CKXE6G
Page
Service code
blank
D
Except Specifications, Exterior dimentions and Electrical wiring, this technical manual can be applied for all service code.
※
, 400CKXE6G, 450CKXE6G, 504CKXE6G, 560CKXE6G, 560CKXE6G-K
History of service code
blank
D
-
-
Specifications / Exterior dimentions / Electric wiring
P4～8
P60～64
 
(100m)
cooling only
KX-DB-127 (Data Book) and Manual No. ' 09-KX-
•
Changes
blank→D Transfer production place from Japan to Thailand
Manual No. '09
KX-T-139
•
updated July 08, 2014
※
,

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Summary of Contents for Mitsubishi Heavy Industries FDCH335CKXE6G-K

  • Page 1 (100m) cooling only (OUTDOOR UNIT) Single use (Used also for combination) ※ ※ FDCH335CKXE6G-K , 400CKXE6G, 450CKXE6G, 504CKXE6G, 560CKXE6G, 560CKXE6G-K 615CKXE6G, 680CKXE6G ※FDC335KXE6G-K&FDC560KXE6G-K are only used for combining with other models. Combination use FDCH735CKXE6G, 800CKXE6G, 850CKXE6G, 900CKXE6G, 960CKXE6G, 1010CKXE6G, 1065CKXE6G, 1130CKXE6G, 1180CKXE6G, 1235CKXE6G, 1300CKXE6G, 1360CKXE6G In this Technical Manual,the High Head Models of outdoor units only are shown.

  • Page 2: Table Of Contents

    '09•KX-T-139 CONTENTS 1 GENERAL INFORMATION ................1 1.1 Specific features .................... 1 1.2 How to read the model name ................ 2 1.3 Table of models ..................... 2 1.4 Table of indoor units panel (Option) .............. 2 1.5 Outdoor units combination table ..............3 2 OUTDOOR UNIT ....................

  • Page 3: General Information

    '09•KX-T-139 GENERAL INFORMATION 1.1 Specific features The R410A refrigerant is used. The refrigerant R410A, with an ozone destruction coefficient of zero, is used and the CO discharge volume is reduced, In ad- dition, R40A is a pseudo-azeotropic refrigerant, so there is little change in its consistency that would cause it to divide into the gas and liquid phases, or undergo temperature slide, and it is also possible to add refrigerant on-site.

  • Page 4: How To Read The Model Name

    ( FDFU ) Floor standing-2 way type ( FDFW ) Duct connected-compact and Flexible type ( FDUH ) Outdoor units to be combined FDCH335CKXE6G-K, FDCH400CKXE6G 560CKXE6G ( FDC ) FDCH560CKXE6G-K, FDCH615CKXE6G 1360CKXE6G 1.4 Table of indoor units panel (Option) Model...

  • Page 5: Outdoor Units Combination Table

    '09•KX-T-139 1.5 Outdoor units combination table Models FDCH735, 800, 850, 900CKXE6G Item Combination outdoor unit models Indoor unit FDCH335 FDCH400 FDCH450 FDCH504 Connectable Number of capacity connectable units Models CKXE6G-K CKXE6G CKXE6G CKXE6G FDCH735CKXE6G 368 ~ 1176 2 to 53 unit FDCH800CKXE6G 400 ~ 1280 2 to 58 unit...
  • Page 6 Power factor 94 94 93 93 93 93 93 93 93 93 93 93 94 94 94 94 External static pressure Max 50...
  • Page 7 Power factor 93 93 93 93 93 93 93 93 93 93 93 93 Power factor 93 93 93 93 93 93 94 94 94 94 94 94...

  • Page 11: Noise Level

    2.4 Noise level Measured based on JIS B 8616 Mike position as highest noise level in position as below Distance from front side m Height Model FDCH335CKXE6G-K Model FDCH400CKXE6G Model FDCH450CKXE6G Noise level 59 dB (A) Noise level 59.5 dB (A) Noise level 62.5 dB (A)
  • Page 12 Notes () Preset point of protective deviees -R, R2 : Cooling operation : Frost prevention control. 63H1-1 : Open 4.15MPa, Close 3.15MPa Super heat control. (For protection) -R3 : For super heat control of cooling operation. (2) Function of thermistor Tho-D : For control of discharge pipe temperature.

  • Page 13: Range Of Usage & Limitations

    '09•KX-T-139 RANGE OF USAGE & LIMITATIONS • Single use (also for combined use) System FDCH400CKXE6G FDCH450CKXE6G FDCH504CKXE6G Item Indoor air temperature (Upper, lower limits) Refer to page 15 Outdoor air temperature (Upper, lower limits) Indoor units 1 to 36 unit Number of connected units 1 to 40 unit 1 to 36 unit...
  • Page 14 Compressor 6 min or more (3 minutes or more from start to stop or 3 minutes or more from stop to start) 1 cycle time '09•KX-T-139 stop/start 3 min or more Stop time frequency Within 10% of rated voltage Voltage fluctuation Power source Within 15% of rated voltage Voltage drop during start...
  • Page 15 '09•KX-T-139 • Combination use System FDCH735CKXE6G FDCH800CKXE6G FDCH850CKXE6G FDCH900CKXE6G Item Indoor air temperature (Upper, lower limits) Refer to page 15 Outdoor air temperature (Upper, lower limits) Indoor units Number of connected units 2 to 53 units 2 to 58 units 2 to 61 units 2 to 65 units that can be...
  • Page 16 FDU, FDUM, FDQS, FDUH Compressor 6 min or more (3 minutes or more from start to stop or 3 minutes or more from stop to start) 1 cycle time '09•KX-T-139 stop/start 3 min or more Stop time frequency Within 10% of rated voltage Voltage fluctuation Power source Within 15% of rated voltage...
  • Page 17 '09•KX-T-139 Operating temperature range Cooling operation Applicable range Indoor air temperature (˚C W.B.)

  • Page 18: Selection Chart

    '09•KX-T-139 SELECTION CHART (1) Equipment selection flow Calculate the load for each room separately, then determine the indoor load. Select an indoor unit that matches the indoor load (tentative). Calculate the temperature compensation, then calculate the indoor unit capacity. Change the indoor unit. (See item (2) (a) for the calculation method.) Indoor unit Select the outdoor unit (tentative).
  • Page 19 '09•KX-T-139 (2) Capacity calculation method (a) Calculating the indoor unit capacity compensation Indoor unit capacity = Indoor unit total rated capacity × Capacity compensation coefficient according to temperature conditions See item (3) (a) concerning the capacity compensation coefficient according to temperature conditions. (b) Calculating the outdoor unit capacity compensation Outdoor Unit Capacity = Outdoor unit rated capacity (rated capacity when 100% connected)
  • Page 20 '09•KX-T-139 Capacity calculation example Example Cooling (when the indoor unit connected total capacity is 100% or higher) • Outdoor unit FDCH450CKXE6G .......... Unit • Indoor unit FDT56KXE6A ............0 Units • Piping length ................00 m (Equivalent length) • Indoor, outdoor unit height difference ........70 m (Outdoor unit is higher) •...
  • Page 21 '09•KX-T-139 (3) Capacity compensation coefficient (a) Capacity compensation coefficient and power consumption compensation coefficient according to in- door and outdoor temperature conditions. Capacity compensation coefficient 1.40 Indoor air W.B. temperature 24˚CWB 1.35 Indoor air W.B. temperature 26˚CWB 1.30 1.25 Indoor air W.B. temperature 22˚CWB 1.20 Indoor air W.B.
  • Page 22 120 140 160 180 100 120 140 160 180 Refrigerant piping one way equivalent length (m) Refrigerant piping one way equivalent length (m) Model FDCH800CKXE6G Model FDCH735CKXE6G (FDCH335CKXE6G-K + FDCH400CKXE6G) (FDCH400CKXE6G + FDCH400CKXE6G) 1.00 1.00 Gas pipe: 38.1 Gas pipe: 38.1 0.95...
  • Page 23 '09•KX-T-139 Model FDCH850CKXE6G Model FDCH900CKXE6G (FDCH400CKXE6G + FDCH450CKXE6G) (FDCH450CKXE6G + FDCH450CKXE6G) 1.00 1.00 Gas pipe: 38.1 Gas pipe: 38.1 0.95 0.95 Gas pipe: 31.8 0.90 0.90 Gas pipe: 31.8 0.85 Gas pipe: 34.92* 0.85 Gas pipe: 34.92* 0.80 0.80 120 140 160 180 80 90 100 Refrigerant piping one way equivalent length (m) Refrigerant piping one way equivalent length (m)
  • Page 24 '09•KX-T-139 Model FDCH1300CKXE6G Model FDCH1360CKXE6G (FDCH615CKXE6G + FDCH680CKXE6G) (FDCH680CKXE6G + FDCH680CKXE6G) 1.00 1.00 0.95 0.95 Gas pipe: 38.1 Gas pipe: 38.1 0.90 0.90 Gas pipe: 34.92 Gas pipe: 34.92 0.85 0.85 0.80 0.80 100 120 140 160 180 100 120 140 160 180 Refrigerant piping one way equivalent length (m) Refrigerant piping one way equivalent length (m) Note () Parts with the * mark show the piping size in case used in Europe.
  • Page 25 '09•KX-T-139 Model FDCH450CKXE6G ◆ Capacity compensation coefficient ◆ Power consumption compensation coefficient Total capacity of concurrently operating indoor unit (%) Total capacity of concurrently operating indoor unit (%) Model FDCH504CKXE6G ◆ Capacity compensation coefficient ◆ Power consumption compensation coefficient Total capacity of concurrently operating indoor unit (%) Total capacity of concurrently operating indoor unit (%) Model FDCH560CKXE6G ◆...
  • Page 26 '09•KX-T-139 Model FDCH680CKXE6G ◆ Capacity compensation coefficient ◆ Power consumption compensation coefficient Total capacity of concurrently operating indoor unit (%) Total capacity of concurrently operating indoor unit (%) Model FDCH735CKXE6G ◆ Capacity compensation coefficient ◆ Power consumption compensation coefficient Total capacity of concurrently operating indoor unit (%) Total capacity of concurrently operating indoor unit (%) Model FDCH800CKXE6G ◆...
  • Page 27 '09•KX-T-139 Model FDCH900CKXE6G ◆ Capacity compensation coefficient ◆ Power consumption compensation coefficient Total capacity of concurrently operating indoor unit (%) Total capacity of concurrently operating indoor unit (%) Model FDCH960CKXE6G ◆ Capacity compensation coefficient ◆ Power consumption compensation coefficient Total capacity of concurrently operating indoor unit (%) Total capacity of concurrently operating indoor unit (%) (Note) If the connecting capacity of the indoor unit exceeds 130 %, consider the connecting capacity as 130 %.
  • Page 28 '09•KX-T-139 Model FDCH1130CKXE6G ◆ Capacity compensation coefficient ◆ Power consumption compensation coefficient Total capacity of concurrently operating indoor unit (%) Total capacity of concurrently operating indoor unit (%) Model FDCH1180CKXE6G ◆ Capacity compensation coefficient ◆ Power consumption compensation coefficient Total capacity of concurrently operating indoor unit (%) Total capacity of concurrently operating indoor unit (%) Model FDCH1235CKXE6G ◆...
  • Page 29 '09•KX-T-139 Model FDCH1360CKXE6G ◆ Capacity compensation coefficient ◆ Power consumption compensation coefficient Total capacity of concurrently operating indoor unit (%) Total capacity of concurrently operating indoor unit (%)
  • Page 30 '09•KX-T-139 MITSUBISHI HEAVY INDUSTRIES, LTD.   覥獍贎 麯鹺遝迻麂 氺愌廊 毣遝╲灊◤殬牏迵穜 媿 ❾ ．層 14# % ) ℓ Outdoor unit capacity F DC H 4 00 –1 3 60 C ◎扂 ❼ ⇅ ℻ 〄 ╲ ℊ ⇅ ⇆ ◎⒒ ヷ ℻ 〄 ⇅ ⅿ ❹ 〄...
  • Page 32 '09•KX-T-139...
  • Page 33 '09•KX-T-139 ● Address No. setting Set SW1 through 4 and SW5-2 provided on the PCB and SW1 & 2 provided on the outdoor unit PCB as shown in the drawings below. SW2 (SW4) SW1 (SW3) SW1, 2 (blue) For setting indoor No. (The ten’s and one’s) By inserting a flat driver Indoor PCB SW3, 4 (green)
  • Page 34 '09•KX-T-139 Automatic address setting Generally applicable to new SL/previous SL, use figures in [ ] with previous SL. With new SL, you can set indoor unit addresses automatically even for an installation involving multiple refrigerant systems connected with same network, in addition to the conventional automatic address setting of a single refrigerant system installation.
  • Page 35 '09•KX-T-139 STEP1 STEP2 STEP3 STEP4 ②OFF ④ON ー        ー Indoor unit power source ー ①OFF ④ON        ー Outdoor unit power source ②indoor000/outdoor 49 Indoor unit ー ー ー ( factory setting ) (indoor/outdoor No.SW)         ー ー ①01,03(Ex）        ー Outdoor unit (outdoor No.SW) ③Disconnect(each outdoor unit) ー...
  • Page 36 '09•KX-T-139 Operating procedure (1) When single indoor unit is connected to the remote controller. Item Operation Display ① Press the AIR CON No. switch for 3 seconds or longer. [CHANGE ADD. ▼ ] Address change mode [CHANGE ADD. ▼ ] ②...
  • Page 37 '09•KX-T-139 7 segment display indication in automatic address setting ● Items that are to be set by the customer Code Contents of a display Communication protocol 0: Previous SL mode (The communication plotocol is displayed ; display only)                     1: New SL mode Automatic address start Input starting address Specify a starting indoor unit address in automatic address setting.
  • Page 38 '09•KX-T-139 7-2. Control mode switching Controls of outdoor unit may be selected as follows using the dip switches on the PCB and C○○, P○○ on the 7-segment. To change C○○, P○○ on the 7-segment, hold down SW8 (7-segement display increment up: 1-digit), SW9 (7-segment increment up: 10-digit) and SW7 (Data write/Enter). Unit set※1 Control selecting method Content of control...
  • Page 39 '09•KX-T-139 7-4. Exclusive cooling setting of remote controller This air-conditioner is an exclusive cooling unit. Set it for the exclusive cooling using the remote controller as follows. (After this setting, the unit will not operate even if the heating operation is selected on the remote controller.) Item Operation Display...
  • Page 40 '09•KX-T-139 (2) Method of check operation (a) Starting the check operation ・Confirm that all of the following switches are turned OFF: SW3-2 (Auto backup operation), SW3-6 (Pipe wash mode), SW3-7 (Forced cooling/heating mode), SW5-1 (Test run), SW5-2 (Test run cooling setting), SW5-3 (Pump-down operation) and SW5-6, -7, -8 (Capacity measurement mode). (In case of combination, on both main and slave units) ・At the next, turn the SW3-5 (Check operation) OFF ON (only on master unit in case of combination) so that the check operation will start.
  • Page 41 '09•KX-T-139 8-3. Refrigerant quantity check Refrigerant quantity check tells you whether the refrigerant quantity is excessive (over) or insufficient (low). (Even if the check operation is not practiced, the test run and normal operation can be performed.) For further details regarding the check operation refer to the technical data. It must be noted that, during the check operation, the outdoor units and the indoor units are operated automatically.
  • Page 42 '09•KX-T-139 (4) After the refrigerant quantity check operation Following codes may be displayed at the end of check operation, other than “Co End”. Check and take action according to the contents of remedy. And then, repeat the check operation. Display on 7-segment indicator after the check operation (Displayed on master unit only in case of combination.) Code indicator Data indicator Meaning...
  • Page 43 '09•KX-T-139 9. CAUTIONS FOR SERVICING (for R410A and compatible machines) (1) To avoid mixing of different types of oil, use separate tools for each type of refrigerant. (2) To avoid moisture from being absorbed by the ice machine oil, the time for when the refrigerant circuit is open should be kept as short as possible. (Within 10 min. is ideal.) (3) For other piping work, airtighteness testing, vacuuming, and refrigerant charging, refer to section 3, Refrigerant piping.

  • Page 44: Check Operation Procedure

    '09•KX-T-139 CHECK OPERATION PROCEDURE (1) Check operation The following ① – ③ can be checked automatically with this operation. ① Checking of operation valves opened/closed. Checks to see if operation valves are opened. ② Checking of mismatch on wiring or piping. Checks to see if refrigerant piping or signal wiring between indoor and outdoor units in the same refrigerant system are connected properly.
  • Page 45 '09•KX-T-139 (2) Flow of the check operation Check operation is performed as follows. Start Preliminary check Note (1) Auto checking Note (2)    Judgment of checked result Note (3)    Note (1) For preliminary check method, refer to “(3) Confirmation before check operation”. (2) For details of check operation, refer to “(4) Check operation procedure”.
  • Page 46 '09•KX-T-139 (3) Confirmation before check operation ・Confirm the installation has been completed properly by hearing, actual inspection or other method. ・This preliminary confirmation is indispensable to prevent troubles during or after check operation. ・Check operation can be performed only when the following conditions (1) – (8) are established. ・Check the following contents listed in the table with 7-segment display and MentePC.

  • Page 47: Outdoor Unit (Service Code D)

    '09•KX-T-139 (4) Check operation procedure Operation status Meaning of Flow Work Remarks (Displayed on 7-segment) 7-segment display Preliminary Check in advance as per “(3) Don’t operate any outdoors unit in check Confirmation before check other refrigerant systems during operation”. check operation. This operation status is displayed Start of check Turn “Chek operation switch...
  • Page 48 '09•KX-T-139 (5) Measures to be taken after check operation When any display other than “CHO-End” is displayed after completing the judgment of check operation, the meanings of each display are shown as follows. After checking the contents of inspection and repairing nonconforming items, perform check operation again. Code Data Meaning of display...
  • Page 49 '09•KX-T-139 Code Data Meaning of display Contents of Inspection display display It may be liquid flooding. Refrigerant piping or signal cables may not be connected properly between indoor and outdoor units. *1 (See next page.) Power switch may be turned off on some indoor units. Check if power is supplied to all indoor units.
  • Page 50 '09•KX-T-139 Piping Wiring ・ Wrong wiring ・Normal Outdoor unit Indoor unit Outdoor unit Indoor unit Indoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Indoor unit Indoor unit *2 (If the connector comes off by a weak pull, it’s no good. If not come off, It’s OK) The connector of indoor heat exchanger temperature thermistor.
  • Page 51 '09•KX-T-139...
  • Page 57 VRF INVERTER MULTI-SYSTEM AIR CONDITIONERS Air-Conditioning & Refrigeration Systems Headquarters 16-5, 2-chome, Kounan, Minato-ku, Tokyo, 108-8215, Japan Fax : (03) 6716-5926 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES.LTD...

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