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Mitsubishi Electric Lossnay LGH-15RX4-E Handbook

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LOSSNAY
HANDBOOK
MODELS
LGH-15RX
LGH-25RX
LGH-35RX
LGH-50RX
LGH-65RX
LGH-80RX
LGH-100RX
LGH-150RX
LGH-200RX
Warning:
Repair work must be performed by the manufacturer, its service
agent or a similarly qualified person in order to avoid hazards.
-E
4
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4
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4
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4
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4
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4
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4
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4
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4
Nameplate
Nameplate
April 2018
No. U111-B

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Summary of Contents for Mitsubishi Electric Lossnay LGH-15RX4-E

  • Page 1 April 2018 No. U111-B LOSSNAY HANDBOOK MODELS Nameplate LGH-15RX LGH-25RX LGH-35RX LGH-50RX LGH-65RX LGH-80RX LGH-100RX LGH-150RX Nameplate LGH-200RX Warning: Repair work must be performed by the manufacturer, its service agent or a similarly qualified person in order to avoid hazards.

  • Page 2: Table Of Contents

    Contents Safety precautions ................3 1. Specifications ............... 4-8 2. Dimensions ................ 9-17 3. Wiring diagrams ............... 18-19 4. Troubleshooting ............... 20-34 4-1 Service Flow.............. 20-21 4-2 Items to Check ............22-33 4-3 Circuit Test Point............. 34 5. Overhaul procedures............35-39 5-1 Blower Parts ..............

  • Page 3: Safety Precautions

    Safety precautions ●Please be sure to read the following safety precautions thoroughly before commencing with the maintenance work, and conduct the inspection and repair of the product in a safe manner. ●The types and levels of danger that may arise if the product is handled incorrectly are described by using the warning symbols shown below.

  • Page 4: Specifications

    1. Specifications — 4 —...
  • Page 5 — 5 —...
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  • Page 9: Dimensions

    2. Dimensions LGH-15RX Unit (mm) — 9 —...
  • Page 10 LGH-25RX Unit (mm) — 10 —...
  • Page 11 LGH-35RX Unit (mm) — 11 —...
  • Page 12 LGH-50RX Unit (mm) — 12 —...
  • Page 13 LGH-65RX Unit (mm) — 13 —...
  • Page 14 LGH-80RX Unit (mm) — 14 —...
  • Page 15 LGH-100RX Unit (mm) — 15 —...
  • Page 16 LGH-150RX Unit (mm) — 16 —...
  • Page 17 LGH-200RX Unit (mm) — 17 —...

  • Page 18: Wiring Diagrams

    3. Wiring diagrams LGH-15RX -E,LGH-25RX -E,LGH-35RX -E,LGH-50RX -E,LGH-65RX -E,LGH-80RX -E,LGH-100RX 50/60Hz — 18 —...
  • Page 19 LGH-150RX -E,LGH-200RX 50/60Hz — 19 —...

  • Page 20: Troubleshooting

    4. Troubleshooting 4-1 Service Flow Confirmation items Trouble Mode 1 The system will not start properly. 1 Condition of trouble – remote controller dis- play, etc. • Check the initialization checklist from 2 Frequency of trouble – date of start of opera- installation to operation (table 1-1).
  • Page 21 Error List Cancellation measures Remote LED 1 LED 2 Error controller (green) (red) monitor Measures taken by Reset Stop Display Display Error item display Change Error output Lossnay power ↓ error (No. of (No. of address delete supply Start code blinks) blinks) Fan motor...

  • Page 22: Items To Check

    4-2 Items to Check (1)Trouble Mode 1: The system will not start properly. Initialization checklist from installation to operation (Table 1-1) After checking the system, check the points below up to operation. Checkpoint Do the capacity of the main power supply on/off unit and wiring span meet specification? Is the specified power supplied to the Lossnay power terminal (TM1)? Is the wiring length of the transmission cable within specifications? When using PZ-41SLB-E:...
  • Page 23 Checkpoint When pre-heat output output is used, turn the SW5-6 ON. There is no method of turning ON the pre-heat output without changing OA temperature. The first check of the installation (1) Make the power supply of the heater turned off. (2) Short-circuit the pre-heater output with a lead etc.
  • Page 24 Symptom Cause Corrective action « SW5-6 is OFF. « Turn the SW5-6 ON. Pre-heat control does not work. « OA temperature is larger than -5˚C. « Operate only below -5˚C. 2System checklist when using the M-NET (Table 1-2-2) Symptom Cause Corrective action «...
  • Page 25 Symptom Cause Corrective action « Over the number of units that can be controlled « Check remote control unit number When power is supplied to the system, the with the Lossnay remote controller. limitations when using a power remote control display supply unit.
  • Page 26 (2)Trouble Mode 2 ●An error code displays on the remote controller. ●Lossnay circuit board LED is flashing or lit up. An error code displayed on the remote controller (PZ-41SLB-E, PZ-52SF-E) or the M-NET controller and blinking or illumination of LED1 (green) or LED2 (red) on the circuit board shows the type of error. The LED blink interval is 0.25 seconds for both on and off.
  • Page 27 Error code LED1 LED 2 Symptom Cause Corrective action (green) (red) « In order that the OA temperature « Check whether the heater power is ——— — Pre-heat blinks error might not rise up, intermittent opera- supplied. Check whether the wiring tion started.
  • Page 28 Error code LED1 LED 2 Symptom Cause Corrective action (green) (red) « Connectors for the thermistor are « Check the connection of the lead 5101 — OA thermis- blinks tor related not correctly connected. wires connectors and the circuit error connector.
  • Page 29 (3)Trouble Mode 3: The remote controller does not operate or operates irregularly. 1Checklist for when using the PZ-41SLB-E (Table 3-1) Symptom Cause Corrective action « Transmission cable is connected to the wrong « Check the transmission cable Nothing displays on the LCD.
  • Page 30 Symptom Cause Corrective action « It is less than 10 minutes since the power was « After supplying power to the sys- Displays “HO” and does not start. supplied to the system. tem, HO blinks for a maximum of about 10 minutes. (This is not an error.) «...
  • Page 31 (4)Trouble Mode 4: The Lossnay does not operate or operates irregularly. 1Lossnay checklist (Table 4). Symptom Cause Corrective action « Connectors for the fan connection or connec- « Check the lead wire connectors The fan does not operate. tors for the control circuit section connection and the control circuit section The fan does not operate are not secure.
  • Page 32 Symptom Cause Corrective action « When the outdoor air temperature is -10°C or « This is no error. Supply air fan periodical- ly stops operating. less, operation stops after a fixed period of about 10 minutes to keep the Lossnay Core from freezing.
  • Page 33 2Temperature vs. thermistor resistance table Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance (°C) value (kΩ) (°C) value (kΩ) (°C) value (kΩ) (°C) value (kΩ) (°C) value (kΩ) 88.85 - ∞ 17.92 9.57 5.38 3.17 17.16 9.20 5.19 3.06 32.43 16.43...

  • Page 34: Circuit Test Point

    4-3 Circuit Test Point LED1 (green) • When blinking, there is an error with the Lossnay unit (number of blinks indicates the type of error). • Blinks at 1 second intervals when starting. • Lit during delayed start, normally off at other times. Exhaust fan operation unit (combined) Exhaust fan operation unit 220 V to 240 V AC: up to 50 Hz...

  • Page 35: Overhaul Procedures

    5. Overhaul procedures 5-1 Blower Parts 1Remove the cover fixing screw. 2Pull back the hinged clip. 2Open the door and lift off of the hinge brackets. LGH-15RX -E~LGH-100RX LGH-150RX -E,LGH-200RX Hinge Maintenance Cover Hinge Maintenance Cover Screw Screw 3Remove Filters from the unit. 4Remove Cores from the unit.
  • Page 36 5Remove screw from the core-guide,Remove core-guide. Core Guide 6Remove separator from the blower portion. Separator 7Remove screws from the motor base. Motor Base Motor 8Remove the pre-assembled blower. Pre-assembled Blower — 36 —...

  • Page 37: Damper Movement Motor Part (All Units Available)

    5-2 Damper Movement Motor Part (All units available) 1Remove (2) screws out from the damper motor cover. Damper Motor Cover 2Take the damper movement motor out of the cover. Damper Movement Motor 5-3 Circuit Board Part (1)LGH-15RX -E~LGH-100RX 1Remove (3) screws from the control cover and open the control cover.
  • Page 38 2Remove (2) screws from capacitors. Capacitors 3Remove all harnesses connected to the circuit board. 4Take the circuit board out. Circuit Board — 38 —...
  • Page 39 (2)LGH-150RX -E,LGH-200RX 1Remove (2) screws from the control cover and open the control cover. 2Remove all harnesses connected to the circuit board. 3Take the circuit board out. — 39 —...

  • Page 40: Parts Catalog

    6. Parts catalog Please note the following when using the parts catalog. 1. When ordering parts, always indicate the part number, part name, and the number of parts required. 2. It may take time for you to receive the parts. Make an inquiry about a rush order. 3.

  • Page 41: Lgh-15Rx4-E

    LGH-15RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety PTT screw 4x8 H00 000 487 Flange K82 163 617 Hanger R50 476 380 PTT screw 5x10 H00 189 007 Maint. cover Y50 075 707 Core guide R50 395 381 Filter Y50 061 717 ...
  • Page 42 LGH-15RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (8) R50 331 067 Left-handed 32 Tab washer M34 398 077 33 Centrifugal fan R50 354 480 φ 180  34 Special washer R50 028 465 φ...
  • Page 43 LGH-15RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Motor cover Y50 061 693 52 Damper support R50 541 715 53 Special bush M31 234 089 54 Pull spring R50 095 156 55 Damper R50 213 713 56 Damper motor Y50 061 260 AC220･240V...
  • Page 44 57 58 59 60 61 62 63 64 65 66 67 68 69 70 72 73 74 75 76 77 — 44 — LGH-15RX...

  • Page 45: Lgh-25Rx4-E

    LGH-25RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety PTT screw 4x8 H00 000 487 Flange R50 323 609 Hanger R50 476 380 PTT screw 5x10 H00 189 007 Maint. cover Y50 075 707 Core guide R50 395 382 Filter Y50 061 718 ...
  • Page 46 LGH-25RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (8) R50 331 067 Left-handed 32 Tab washer M34 398 077 33 Centrifugal fan R50 354 480 φ 180  34 Special washer R50 028 465 φ...
  • Page 47 LGH-25RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Motor cover Y50 061 693 52 Damper support R50 541 715 53 Special bush M31 234 089 54 Pull spring R50 095 156 55 Damper R50 213 713 56 Damper motor Y50 061 260 AC220･240V...
  • Page 48 57 58 59 60 61 62 63 64 65 66 67 68 69 70 72 73 74 75 76 77 — 48 — LGH-25RX...

  • Page 49: Lgh-35Rx4-E

    LGH-35RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Flange R50 323 609 Hanger R50 476 380 PTT screw 5x10 H00 189 007 Hanger support R50 483 705 Hanger cover Y50 061 704 Maint. cover Y50 062 707 Core guide R50 396 381 Filter...
  • Page 50 LGH-35RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (8) R50 331 067 Left-handed 32 Tab washer M34 398 077 33 Centrifugal fan R50 351 480 φ 220  34 Fan base R50 478 707 35 Spl washer (10) M34 706 465 φ40 (Outer dia.)
  • Page 51 LGH-35RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Motor cover Y50 061 693 52 PTT screw 4x6 H00 312 007 53 Pull spring R50 069 156 54 Damper support R50 472 716 55 Special bush M31 234 089 56 Damper R50 472 715 57 Damper motor...
  • Page 52 58 59 60 61 62 63 64 65 66 67 68 69 70 71 73 74 75 76 77 78 — 52 — LGH-35RX...

  • Page 53: Lgh-50Rx4-E

    LGH-50RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Flange R50 028 610 Hanger R50 476 380 PTT screw 5x10 H00 189 007 Hanger support R50 483 705 Hanger cover Y50 061 704 Maint. cover Y50 062 707 Core guide R50 216 381 Filter...
  • Page 54 LGH-50RX4-E LGH-50RX4-E Critical Critical Q'ty Q'ty Name of part Name of part Parts No. Parts No. Remarks Remarks pcs/unit pcs/unit safety safety 31 Special nut (8) 31 Special nut (8) R50 331 067 R50 331 067 Left-handed Left-handed 32 Tab washer 32 Tab washer M34 398 077 M34 398 077...
  • Page 55 LGH-50RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Motor cover Y50 061 693 52 PTT screw 4x6 H00 312 007 53 Pull spring R50 069 156 54 Damper support R50 472 716 55 Special bush M31 234 089 56 Damper R50 472 715 57 Damper motor...
  • Page 56 58 59 60 61 62 63 64 65 66 67 68 69 70 71 73 74 75 76 77 78 — 56 — LGH-50RX...

  • Page 57: Lgh-65Rx4-E

    LGH-65RX4-E LGH-65RX4-E Critical Critical Q'ty Q'ty Name of part Name of part Parts No. Parts No. Remarks Remarks pcs/unit pcs/unit safety safety Flange Flange R50 028 610 R50 028 610 PTT screw 4x8 PTT screw 4x8 H00 000 487 H00 000 487 Hanger Hanger R50 479 380...
  • Page 58 LGH-65RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (M12) R50 218 067 Left-handed 32 Washer (12) K83 466 113 33 Centrifugal fan R50 479 480 φ 245  34 Fan base R50 357 707 35 Key Y50 033 104 5x5x11.5...
  • Page 59 LGH-65RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Motor cover Y50 061 693 52 Pull spring R50 099 156 53 Damper support R50 472 716 54 Special bush M31 234 089 55 Damper R50 472 715 56 Damper motor Y50 061 260 AC220･240V...
  • Page 60 58 59 60 61 62 63 64 65 66 67 68 69 70 71 73 74 75 76 77 78 — 60 — LGH-65RX...

  • Page 61: Lgh-80Rx4-E

    LGH-80RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety PTT screw 4x12 H00 000 488 Flange R50 430 609 PTT screw 4x8 H00 000 487 Hanger R50 095 380 PT screw 6x12 H00 000 244 Maint. cover Y50 039 707 Core guide R50 218 381 Filter...
  • Page 62 LGH-80RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (M12) R50 218 067 Left-handed 32 Washer (12) K83 466 113 33 Centrifugal fan R50 479 480 φ 245  34 PT screw 6x20 H00 157 008 35 Spl washer (6) M34 043 080 36 Spacer...
  • Page 63 LGH-80RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Motor cover Y50 061 693 52 Pull spring R50 074 156 53 Damper support R50 473 715 54 Special bush M31 234 089 55 Damper R50 473 716 56 Damper motor Y50 061 260 AC220･240V...
  • Page 64 58 59 60 61 62 63 64 65 66 67 68 69 70 71 73 74 75 76 77 78 — 64 — LGH-80RX...

  • Page 65: Lgh-100Rx4-E

    LGH-100RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety PTT screw 4x12 H00 000 488 Flange R50 430 609 PTT screw 4x8 H00 000 487 Hanger R50 095 380 PT screw 6x12 H00 000 244 Maint. cover Y50 039 707 Core guide R50 219 381 Filter...
  • Page 66 LGH-100RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (M12) R50 218 067 Left-handed 32 Washer (12) K83 466 113 33 Centrifugal fan R50 479 480 φ 245  34 PT screw 6x20 H00 157 008 35 Spl washer (6) M34 043 080 36 Spacer...
  • Page 67 LGH-100RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Motor cover Y50 061 693 52 Pull spring R50 074 156 53 Damper support R50 473 715 54 Special bush M31 234 089 55 Damper R50 473 716 56 Damper motor Y50 061 260 AC220･240V...
  • Page 68 58 59 60 61 62 63 64 65 66 67 68 69 70 71 73 74 75 76 77 78 — 68 — LGH-100RX...

  • Page 69: Lgh-150Rx4-E

    LGH-150RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Flange Y50 123 704 PTT screw 4x8 H00 000 487 Hinge R50 466 344 Hanger R50 111 381 PT screw 6x12 H00 000 244 Maint. cover Y50 039 707 Core guide R50 218 381 Filter...
  • Page 70 LGH-150RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (M12) R50 218 067 Left-handed 32 Washer (12) K83 466 113 33 Centrifugal fan R50 479 480 φ 245  34 PT screw 6x20 H00 157 008 35 Spl washer (6) M34 043 080 36 Spacer...
  • Page 71 LGH-150RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Motor cover Y50 061 693 52 Pull spring R50 074 156 53 Damper support R50 473 715 54 Special bush M31 234 089 55 Damper R50 473 716 56 Damper motor Y50 123 260 AC100V...
  • Page 72 60 61 62 63 64 65 66 67 68 69 70 75 76 77 78 79 80 82 83 — 72 — LGH-150RX...

  • Page 73: Lgh-200Rx4-E

    LGH-200RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Flange Y50 123 704 PTT screw 4x8 H00 000 487 Hinge R50 466 344 Hanger R50 111 381 PT screw 6x12 H00 000 244 Maint. cover Y50 039 707 Core guide R50 219 381 Filter...
  • Page 74 LGH-200RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 Special nut (M12) R50 218 067 Left-handed 32 Washer (12) K83 466 113 33 Centrifugal fan R50 479 480 φ 245  34 PT screw 6x20 H00 157 008 35 Spl washer (6) M34 043 080 36 Spacer...
  • Page 75 LGH-200RX4-E Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 51 Motor cover Y50 061 693 52 Pull spring R50 074 156 53 Damper support R50 473 715 54 Special bush M31 234 089 55 Damper R50 473 716 56 Damper motor Y50 123 260 AC100V...
  • Page 76 60 61 62 63 64 65 66 67 68 69 70 75 76 77 78 79 80 82 83 — 76 — LGH-200RX...

This manual is also suitable for:

Lossnay lgh-25rx4-eLossnay lgh-35rx4-eLossnay lgh-50rx4-eLossnay lgh-65rx4-eLossnay lgh-80rx4-eLossnay lgh-100rx4-e ... Show all

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