Mitsubishi Electric JT-SB116EH-W-CA Handbook
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Mitsubishi Electric JT-SB116EH-W-CA Handbook

Mitsubishi Electric JT-SB116EH-W-CA Handbook

Hand dryer
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HAND DRYER
HAND BOOK
(For HONG KONG)
Model:
Notice:
The term of validity is one year from the issued date.
JT-SB116EH-W-CA
Nameplate
Repair work should be performed by
the manufacturer, its service agent or
similarly qualified person in order to
avoid hazards.
February 2007
FOR DEALERS
No. U132

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Summary of Contents for Mitsubishi Electric JT-SB116EH-W-CA

  • Page 1 February 2007 No. U132 HAND DRYER HAND BOOK (For HONG KONG) FOR DEALERS Model: JT-SB116EH-W-CA Nameplate Repair work should be performed by the manufacturer, its service agent or similarly qualified person in order to avoid hazards. Notice: The term of validity is one year from the issued date.

  • Page 2: Table Of Contents

    Contents 1. Cautions for service ······························································· 3–4 2. Features ················································································· 4–5 3. Improved points ·········································································· 5 4. Names and functions of components ···································· 6–7 5. Specifications ············································································· 8 6. Outside dimensions ···································································· 8 7. Electrical wiring diagram ····························································· 9 8. Basic circuit diagram ··························································· 10–16 9.

  • Page 3: Cautions For Service

    1. Caution for service GPlease read the following items carefully before using this product, and perform the maintenance and repair work of the product correctly and safely. GThe types and levels of the dangers from mishandling this product are categorized and indicated by the signs shown below.

  • Page 4: Features

    Items to check during repair work • Inspect the condition of the earth. Correct it if improperly grounded. Also, check to see if a ground fault circuit interrupter is being installed. If not, install one. • Check to see whether or not the air filter and the drain tank are installed securely in place. •...

  • Page 5: Improved Points

    B Optional function The hand dryer may be installed on the floor using the optional special stand (JP-S10FS-H or JP-S15FS- 3. Improved points Old Model New Model Item (JT-SB216DS) (JT-SB116EH-W-CA) Appearance Drying time 5~6 sec 3~5 sec Nozzle Round hole nozzle...

  • Page 6: Names And Functions Of Components

    4. Names and functions of components 4-1 Structure and appearance Power controll section Heater switch H e a t e O F F speed e e d A ir s p knob Switch P o w e door Power O F F switch Power lamp Display...
  • Page 7 4-2 How to use the hand dryer Power controll section Heater switch Introduction Open the switch door of the power controll section. H e a t e r Turn on the power switch. O F F speed Power lamp and heater lamp turn on. (Display) e e d A ir s p knob...

  • Page 8: Specifications

    Weight Drain Tank Frequency Voltage Model (dB) (kg) (Hz) 9.2 (During heat 1100 (During heat JT-SB116EH-W-CA accumulation) accumulation) (During hand drying: 7.7) (During hand drying: 730) 6. Outside dimensions Mounting plate dimensions Terminal block location Wind volume knob Heater switch...

  • Page 9: Electrical Wiring Diagram

    7. Electrical wiring diagram JT-SB116EH-W-CA — 9 —...

  • Page 10: Basic Circuit Diagram

    8. Basic circuit diagram 8-1 Circuit diagram and check points (1) Main circuit (JT-24M) Bas voltage (Being stopped): DC169V (JT-24M: TAB5) Heater power supply (With heater ON): AC120V (JT-24M: Between TAB3-TAB4) Power supply voltage: AC120V (JT-24M: Between TAB1-TAB2) 15V (JT-24M: CN7 1P) 0V (JT-24M: CN7 5P) 5V (JT-24M: CN6 1P) Reset input 5V (JT-24M: IC1 11P)
  • Page 11 (2) Sub circuit (JT-24S) — 12 —...
  • Page 12 Room thermostat characteristics (JT-24M: CN4 2P) Upper sensor's light receiving signal waveform (JT-24M: CN7 3P) Temperature Resistance CN4 2P Voltage (JT-24S-B: CN14 3P) 10°C 9.01kΩ 2.37V 20°C 6.13kΩ 1.90V (Rises when hands are inserted) 30°C 4.27kΩ 1.50V 100msec (Influence of light emission by the lower sensor) Heater thermostat characteristics (JT-24M: CN9 2P) Lower sensor’s light receiving signal waveform (JT-24M: CN7 2P) Temperature...
  • Page 13 8-2 Circuit board diagram and check points (1) Main circuit board Bas voltage (Being stopped): DC169V Heater power supply (With heater ON): AC120V (JT-24M: TAB5) (JT-24M: Between TAB3-TAB4) ※3 15V (JT-24M: CN7 1P) 0V (JT-24M: CN7 5P) 5V (JT-24M: CN6 1P) Power supply voltage: AC120V (JT-24M: Between TAB1-TAB2) —...
  • Page 14 (2) Indicator circuit board If the jumper wire (JA) is cut off, the illumination lamp turns off. (3) Wind volume circuit board (4) Lower sensor light receiving / upper sensor circuit board (5) Lower sensor light emitting / illumination circuit board (6) Indicator circuit board 2 (Blue LED) —...
  • Page 15 Room thermostat characteristics (JT-24M: CN4 2P) Upper sensor's light receiving signal waveform (JT-24M: CN7 3P) Temperature Resistance CN4 2P Voltage (JT-24S-B: CN14 3P) 10°C 9.01kΩ 2.37V 20°C 6.13kΩ 1.90V (Rises when hands are inserted) 30°C 4.27kΩ 1.50V 100msec (Influence of light emission by the lower sensor) Heater thermostat characteristics (JT-24M: CN9 2P) Lower sensor’s light receiving signal waveform (JT-24M: CN7 2P) Temperature...

  • Page 16: Principles Of Operation

    9. Principles of operation Description of circuit operation (1) Cautions for turning “ON / OFF” the power switch 1 When the power switch is turned “ON”, the power lamp (LED1), blue emblem lamp (LED4) and illumination lamps (LED10, 11) turn on after 1.5 seconds, and the hand dryer becomes ready for operation. •...
  • Page 17 (4) Control of the heater temperature 1 Room thermostat detects the room temperature while the heater thermostat monitors the heater temperature. 2 The room thermostat temperature determines the heater control temperature. (The colder the room temperature, the heater control temperature becomes higher, and the hot air temperature is maintained at about 35°C.) 3 Heater turns ON/OFF depending on the heater control temperature, but it does not turn ON in the following occasions.

  • Page 18: Troubleshooting

    10. Troubleshooting Cautions for service work • Before starting the service, try to reproduce the error phenomenon 2 to 3 times. • Secure a stable foothold during the service. • Before starting the service, always unplug the power cord from the outlet, or turn off the earth leakage breaker where no power cord plug is provided.
  • Page 19 Cause Check Method and Remedy Error Mode Display When 120 V is supplied, check the following points. Power Heater Check Blue LED Blown current Check if the current fuses (FUSE1, 2, 3) on the control circuit board are blown or not. fuse (No display.
  • Page 20 Error Mode Display Cause Check Method and Remedy Missing or loose Check screws clamping the heat sink for missing or Power Heater Check Blue LED heat sink screws looseness. Defective control If no error is found after checking the above, replace the (Heat sink overheat error) circuit control circuit.
  • Page 21 Error Mode Display Cause Check Method and Remedy Defective control Replace the control circuit. Power Heater Check Blue LED circuit (Microcomputer signal error) Defective control Replace the control circuit. Power Heater Check Blue LED circuit (Microcomputer error) Troubles related to the heater Error Mode Display Cause Check Method and Remedy...

  • Page 22: Troubleshooting

    Troubles without error display Phenomenon Cause Check Method and Remedy Operation continues after – 1 Turn OFF the power switch once and then back ON again. pulling hands out. 2 Error occurs at the power ON. 3 Take action for the error occurred according to the instruction of troubleshooting.

  • Page 23: How To Call

    11. How to call Phenomenon Cause, Inspection and Remedy Wind is too weak to dry quickly. 1 Check if the filter is clogged. 2 Isn’t the wind volume knob set at the weak position? Water leaks from the product. 1 Check if the drain tank is filled up. (Drain water.) Since the main unit may absorb moisture if the product is operate while the drain tank is full, drain water will flow over when it is filled up beyond its capacity.

  • Page 24: Disassembly And Assembly

    13. Disassembly and assembly Cautions for disassembly and assembly • Before replacing parts, repair troubled sections according to the instructions described in the troubleshooting. • Secure a stable foothold during the service. • Before starting the service, always unplug the power cord from the outlet, or turn off the earth leakage breaker where no power cord plug is provided.
  • Page 25 7 Removing the switch cover, disconnect the relay connector. (indicated by 8 Remove the knob. (indicated by Caution for assembly Install the knob aligning with the form of volume shaft. 9 Remove volume circuit board clamping nut. (indicated by (3) Indicator circuit board and illumination circuit board.
  • Page 26 (4) Control circuit board 1 Pull out the drain tank and remove front panel clamping screws. (two special screws 4 x 16, indicated by Heater grounding wire (Green) 2 Remove terminal block cover clamping screw. (one PTT screw 4 x 8, indicated by 3 Remove grounding wire clamping screws.
  • Page 27 (5) Blower 1 Remove the control circuit board. See (4) 1 ~ 7. 2 Remove drain pipe clamping screw. (one PTT screw, 4 x 16, indicated by 3 Remove blower cover clamping screws. (four PTT screws 4 x 16, indicated by 4 Remove the cord bushing.
  • Page 28 3 Remove clamping screws for the panel support panel (right) and the exhaust duct. (seven PTT screws 4 x 16, indicated by Cautions for assembly Start to fix the panel support plate from the screw indicated 4 Lifting sections indicated by , remove the panel (front).
  • Page 29 (7) Light receiving circuit board 1 Remove the blower. See (5) 1 ~ 7. 2 Remove the panel (front). See (6) 2 ~ 5. 3 Remove clamping screws for the duct and the side plate. (four PTT screws 4 x 16, indicated by Cautions for assembly •...
  • Page 30 7 Remove circuit board mounting plate (rear) clamping screws. (two PTT screws 4 x 16, indicated by Cautions for assembly • Replace the packing used at the disassembled section with new one. • Take care not to twist the packing when replacing it. 8 Remove the light receiving circuit board from the circuit board mounting plate (rear).
  • Page 31 3 Slide and remove the main unit frame. 4 Remove grounding wire clamping screw. (one special PP screw with spring washer 4 x 8, indicated by 5 Remove rear cover clamping screws. (five special screws 4 x 12, indicated by Cautions for assembly •...
  • Page 32 8 Remove heater base clamping screws. (three special screws 4 x 8, indicated by 9 Remove thermistor clamping screw. (one special PPT screw 4 x 8, indicated by Cautions for assembly • Wipe off old oil compound adhered to the end of thermistor lead wires and the heater.

  • Page 33: Parts Catalog

    14. Parts catalog Please note the following when using the parts list. 1. When ordering parts, always indicate the part number, part name, and the number of parts required. 2. Parts are not always available, and it may take time for you to receive them. 3.
  • Page 34 Model JT-SB116EH-W-CA Parts No. Name of part Q'ty Critical Remarks Price pcs/unit for safety M45 664 821 Panel (back) X45 608 809 Decoration plate Y45 613 809 Decoration plate M45 664 833 Board fix plate (back) H00 163 007 PTT screw 4×16...
  • Page 35 — 36 —...
  • Page 36 Model JT-SB116EH-W-CA Parts No. Name of part Q'ty Critical Remarks Price pcs/unit for safety Y45 613 369 Decoration plate Attention M45 632 803 Hook(upper) M45 664 810 Switch cover Y45 612 356 Decoration plate Swich M45 664 832 Switch door...
  • Page 37 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 — 38 —...
  • Page 38 Model JT-SB116EH-W-CA Parts No. Name of part Q'ty Critical Remarks Price pcs/unit for safety M45 664 812 Blower cover M45 641 802 Earth fix plate H00 013 076 Lock washer H00 011 008 PT screw 4×8(BS) M45 632 225 Cord bush...
  • Page 39 — 40 —...
  • Page 40 Model JT-SB116EH-W-CA Parts No. Name of part Q'ty Critical Remarks Price pcs/unit for safety D41 006 363 Lead band H00 000 487 PTT screw 4×8 Y45 613 801 Terminal cover Y45 613 225 Cord bush H00 154 005 PPT screw 4×12...
  • Page 41 — 42 —...
  • Page 42 Model JT-SB116EH-W-CA Parts No. Name of part Q'ty Critical Remarks Price pcs/unit for safety 101. M45 664 837 Casing 102. Y45 613 370 Decoration plate Tank 103. M45 664 839 Side casing 104. M45 664 843 Filter Black 105. M45 664 836 Partition 106.
  • Page 43 1 piece 1 piece 8 shows accessory parts. — 44 —...
  • Page 44 Model JT-SB116EH-W-CA Parts No. Name of part Q'ty Critical Remarks Price pcs/unit for safety 131. M45 664 225 Lead wire Volume-Display 132. M45 664 219 Lead wire Main-Display 133. M45 664 221 Lead wire Main-Light catch 134. M45 664 220 Lead wire Main-Sensor light 135.
  • Page 45 — 46 —...
  • Page 46 Printed in Japan February, 2007 35 <MEE>...

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