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Mitsubishi Electric JT-SB116JH2-S-NA Handbook

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HAND DRYER
HANDBOOK
MODELS
JT-SB116JH2-S-NA
JT-SB116JH2-W-NA
Warning:
Repair work must be performed by the manufacturer, its service
agent or a similarly qualified person in order to avoid hazards.
April 2017
No. U219-A
Nameplate

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Table of Contents

   Summary of Contents for Mitsubishi Electric JT-SB116JH2-S-NA

  • Page 1 April 2017 No. U219-A HAND DRYER HANDBOOK MODELS JT-SB116JH2-S-NA JT-SB116JH2-W-NA Nameplate 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

    8. Circuit board diagrams .............. 7-9 9. Principles of operation ............... 10 10. Troubleshooting ..............11-14 11. Before receiving repair requests ..........15 12. Service inspection list ..............15 13. Overhauling procedures ............16-25 14. Parts catalog ................. 26-42 JT-SB116JH2-S-NA ............27-34 JT-SB116JH2-W-NA ............35-42...
  • Page 3: Safety Precautions

    1. Safety precautions Read the following precautions thoroughly before the maintenance, and then inspect and repair the product in a safe manner. The types and levels of danger that may arise if the product is handled incorrectly are described with the warning symbols shown below.
  • Page 4: Features

    • Cleanable drain ditch • Exteriors can be cleaned by wiping with alcohol. • The square design matches various lavatories. 3. Improved points Previous model New model JT-SB116JH-G-NA JT-SB116JH2-S-NA Item JT-SB116JH-W-NA JT-SB116JH2-W-NA (With a simple heater) (With a simple heater) Appearance...
  • Page 5: Names Of Components

    (dB(A)) capacity Heater Heater (Vac) (Hz) setting (m/h) HIGH 1250 JT-SB116JH2-S-NA 26.5 lbs 1.7 pt 11.4 JT-SB116JH2-W-NA (12 kg) (0.8 ℓ) STANDARD 1090 • Air speed is calculated from the static pressure measured by the pitot tube (at the nozzle).
  • Page 6: Outside Dimensions

    6. Outside dimensions JT-SB116JH2-S-NA, JT-SB116JH2-W-NA Unit: Inches (mm) 7. Electrical wiring diagram JT-SB116JH2-S-NA, JT-SB116JH2-W-NA Thermal fuse 1 121°C MOTOR HEATER REACTOR Thermal BLOWER fuse 2 JT-30S5R CN19 94°C Blue Black Blue Red White Black CN21 HEATER Display circuit board (Red)
  • Page 7: Circuit Board Diagrams

    8. Circuit board diagrams Circuit board diagrams and check points 1 Power circuit board (JT-34P1H) Heater power supply: 120 V AC (With heater ON) Bus voltage (Being stopped): 170 V DC (Between TAB3 and TAB4) (Between TAB5 and 0 V or between TAB6 and 0 V) Non-insulated power supply Non-insulated power supply Carrier frequency 15 kHz...
  • Page 8 Non-insulated power supply Non-insulated power supply Power supply voltage: 120 V AC (Between TAB20 and TAB21) (CN30 1P) (CN30 2P) 3 Control circuit board (JT-30M10 [JT-SB116JH2-S-NA] /JT-30M10A [JT-SB116JH2-W-NA]) Circuit thermostat characteristics (IC20 5P) Temperature Resistance IC20 5P Voltage 68°F (20ºC) 59.3 kΩ...
  • Page 9 4 Light receiving circuit board (JT-30S1R) (Upper sensor) 5 Sensor circuit board (JT-30S2R) (Middle sensor) 6 Sensor circuit board (JT-30S3R) (Lower sensor) 7 Display circuit board (JT-30S5R) ─ 9 ─...
  • Page 10: Principles Of Operation

    9. Principles of operation Descriptions of circuit operation ( 1 ) Notes for turning the circuit breaker “ON / OFF” 1 When the circuit breaker is turned “ON” and the power is supplied to the product, the power lamp (LED1), the heater lamp (LED2) (with the heater switch ON), and blue indicators (LED10, 11) turn on after 1.5 sec- onds , and the hand dryer becomes ready for operation.
  • Page 11: Troubleshooting

    ( Detects abnormal current caused by the motor lock, and stops the power to the motor.) • Current fuse (2) Troubleshooting Model name of the circuit boards JT-SB116JH2-S-NA JT-SB116JH2-W-NA Power circuit board JT-34P1H Filter circuit board JT-34F Control circuit board...
  • Page 12 Description of the error display Power lamp Heater lamp Malfunction location quick reference chart (The malfunction location is indicated by the lamp lighting status.) : ON : Slow blinking (ON for 0.4 seconds/ OFF for 0.4 seconds) : OFF : Fast blinking (ON for 0.1 second/ OFF for 0.1 second) Detected content Power lamp lamp...
  • Page 13 Error Mode Display Checkpoint Check Method and Remedy Dirty sensor Dirt may shield the sensors. Wipe the dirt off the sensor window. Power Heater window Remaining foreign Check for any objects left over and shielding the sensor in the hand object drying area.
  • Page 14 Troubles without error display Symptom Cause Check Method and Remedy Warm air does not blow. Heater switch Check that the heater switch is turned ON. (Heater lamp lights with the heater switch ON.) Connector dis- Check if the connectors TAB3 and TAB4 on the power circuit board connection for the are disconnected.
  • Page 15: Before Receiving Repair Requests

    11. Before receiving repair requests Frequently asked question Response Air blow is too weak to dry hands 1 Check if the filter is clogged. quickly. 2 Isn’t the air speed switch set at the STANDARD position? Water leaks from the product. 1 Check if the drain tank is filled up.
  • Page 16: Overhauling Procedures

    13. Overhauling procedures Work precautions • Before replacing parts, follow the instructions described in the troubleshooting. • When servicing, always take care to keep proper footing. • Before starting the service, always unplug the power cord from the outlet, or turn off the circuit breaker when no power cord plug is provided.
  • Page 17 The following pictures show JT-SB116JH2-W-NA. ( 1 ) Turn off the power supply. 1 Stop the operation. 2 Turn off the circuit breaker on the distribution board. (2) Front panel 1 Draw out the tank assembly (assy). Tank assy 2 Unscrew the clamping screws, and remove the front panel. Front panel (Two special (spl) screws 4×16, indicated by ) (3) Power cable...
  • Page 18 (4) Light receiving circuit board (JT-30S1R) Maint. cover Fix plate Light receiving circuit board 1 Unscrew the clamping screws, and remove the maintenance (maint.) Maint. cover cover. (Two spl screws 4 x 16, indicated by ) Assembly precaution Insert the maint. cover into the groove of the base. (Indicated by ) 2 Remove the fix plate.
  • Page 19 (5) Control circuit board (JT-30M10/JT-30M10A) Control circuit board (JT-30M10/JT-30M10A) 1 Disconnect the lead wires from the control circuit board. 2 Unscrew the clamping screw, and remove the control circuit board (JT-30M10/JT-30M10A). (One spl screw 4×12, indicated by ) Assembly precaution Take care not to pinch the lead wires.
  • Page 20 (8) Filter circuit board (JT-34F) 1 Unscrew the clamping screw, and remove the terminal block (TB) cover. (One PTT screw 4×6, indicated by ) Precaution Pay attention not to pull the ground wire, which is threaded through the cord bush of the TB cover. Ground wire TB cover 2 Unscrew the clamping screw, and disconnect the ground wire.
  • Page 21 (9) Display circuit board (JT-30S5R) 1 Remove the PCB cover for the power circuit board. Claw LED holder → See (7) 1. 2 Unhook the claw of the LED holder, and slide the LED holder in the direction of the arrow, and remove it. 3 Remove the display circuit board (JT-30S5R) from the LED holder.
  • Page 22 (11) Heater (PTC) 1 Unscrew the side panel left (L) and right (R) clamping screws. (Two PTT screws 4×16, indicated by ) 2 Remove the side panel L in the direction of the arrow. Side panel L Panel (back) Base Assembly precautions Panel (back) Base...
  • Page 23 4 Unscrew the clamping screws, and remove the exhaust duct. (Nine PTT screws 4×16, indicated by ) Assembly precautions • Replace the packing used in the disassembled section with a new one. • Take care not to twist the packing when installing it. Exhaust duct 5 Unscrew the clamping screws, and remove the blower cover.
  • Page 24 (12) Blower assembly (assy) 1 Remove the blower cover. → See (8) 1 to 2, (11) 1 (Remove the side panel R clamping screw only), and 4 to 5. Precaution Since the blower (assy) may drop off the blower case, remove the lead wires first, and then slowly remove the blower cover.
  • Page 25 4 Tilt the panel (front) in the direction of the arrow, and remove it. Panel (front) 5 Remove the sensor holder. Assembly precaution Take care not to pinch the lead wires. Sensor holder 6 Unhook the claw of the sensor holder (one location, indicated by Sensor holder ...
  • Page 26: Parts Catalog

    14. 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 27: Jt-sb116jh2-s-na

    JT-SB116JH2-S-NA 11 pcs. 9 pcs. Special screw 5x30 7 pcs. Special screw 4x12 1 pc. <Standard screws> Symbol Screw name PTT screw 4x16 shows accessory parts. ─ 27 ─ JT-SB116JH2-S-NA...
  • Page 28 JT-SB116JH2-S-NA Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Side cover Y45 631 812 Gray Side panel L Y45 636 812 Exhaust duct M45 697 804 Front panel Y45 636 814 Indicator plate Y45 636 815 Spl screw 4×16...
  • Page 29 4 pcs. 2 pcs. 2 pcs. <Standard screws> Symbol Screw name PTT screw 4x16 PTT screw 4x6 PPT screw 4x20 ─ 29 ─ JT-SB116JH2-S-NA...
  • Page 30 JT-SB116JH2-S-NA Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 LED holder Y45 636 808 32 Circuit board Y45 636 176 JT-30S5R  33 Cord bush M45 649 226 34 TB cover M45 684 826 35 Terminal block Y45 628 222 ...
  • Page 31 <Standard screws> Symbol Screw name PTT screw 4x16 ─ 31 ─ JT-SB116JH2-S-NA...
  • Page 32 JT-SB116JH2-S-NA Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 71 Blower cover M45 697 823 With packing 72 Blower stopper M45 673 227 73 Blower (assy) Y45 628 400  74 Floating rubber M45 664 227 75 Heater (PTC)
  • Page 33 TAB20 Terminal block JT-30S2R (Red) FUSE1 250V-25A CN15 JT-34F Sensor board Power FUSE2 250V-25A TAB23 supply 120 V AC Sensor light-emitting CN31 CN30 JT-30S1R TAB21 60 Hz /receiving circuit board CN11 Thermal fuse 3 GROUND 94°C ─ 33 ─ JT-SB116JH2-S-NA...
  • Page 34 JT-SB116JH2-S-NA Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 91 Lead wire Y45 636 223 CN18-CN19  92 Lead wire Y45 628 221 TAB1・2-TAB22・23  93 Lead wire Y45 636 221  CN7-CN12・CN15 94 Lead wire Y45 636 222 CN8-CN11 ...
  • Page 35: Jt-sb116jh2-w-na

    JT-SB116JH2-W-NA 11 pcs. 9 pcs. Special screw 5x30 7 pcs. Special screw 4x12 1 pc. <Standard screws> Symbol Screw name PTT screw 4x16 shows accessory parts. ─ 35 ─ JT-SB116JH2-W-NA...
  • Page 36 JT-SB116JH2-W-NA Critical Q'ty Name of part Parts No. Remarks pcs/unit safety Side cover Y45 631 806 Side panel L Y45 636 806 Exhaust duct M45 697 804 Front panel Y45 636 800 Indicator plate Y45 636 809 Spl screw 4×16 M45 632 045 Wiring diagram Y45 641 358...
  • Page 37 4 pcs. 2 pcs. 2 pcs. <Standard screws> Symbol Screw name PTT screw 4x16 PTT screw 4x6 PPT screw 4x20 ─ 37 ─ JT-SB116JH2-W-NA...
  • Page 38 JT-SB116JH2-W-NA Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 31 LED holder Y45 636 808 32 Circuit board Y45 636 176 JT-30S5R  33 Cord bush M45 649 226 34 TB cover M45 684 826 35 Terminal block Y45 628 222 ...
  • Page 39 <Standard screws> Symbol Screw name PTT screw 4x16 ─ 39 ─ JT-SB116JH2-W-NA...
  • Page 40 JT-SB116JH2-W-NA Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 71 Blower cover M45 697 823 With packing 72 Blower stopper M45 673 227 73 Blower (assy) Y45 628 400  74 Floating rubber M45 664 227 75 Heater (PTC) M45 702 800 With the fuse ...
  • Page 41 Thermal fuse 1 121°C MOTOR HEATER REACTOR Thermal BLOWER fuse 2 JT-30S5R CN19 94°C Blue Red White Black CN21 Black Blue HEATER Display circuit board (Red) STANDARD HIGH TAB4 TAB6 TAB7 TAB8 TAB9 TAB5 JT-30S3R AIR SPEED CN18 CN12 TAB3 FUSE3 250V-3.15A JT-34P1H Sensor board...
  • Page 42 JT-SB116JH2-W-NA Critical Q'ty Name of part Parts No. Remarks pcs/unit safety 91 Lead wire Y45 636 223 CN18-CN19  92 Lead wire Y45 628 221 TAB1・2-TAB22・23  93 Lead wire Y45 636 221  CN7-CN12・CN15 94 Lead wire Y45 636 222 CN8-CN11 ...
  • Page 43 改  訂  記  録  表 U219-1 副番 日 付 改訂内容の概要 * ・2016年6月発行 2017-04-14 ・31、39ページ   サ ービス部品手配効率化のため、照合番号73 Blower (assy)(ブロワ(組立) ) の部品構成を見直した   変更前  変更後      ...

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