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April 2006 No. U122
HAND DRYER
HAND BOOK
(For HONG KONG)
FOR DEALERS
Model: JT-SB216DS-W-AUS
Nameplate
Repair work should be performed by
the manufacturer, its service agent or
similarly qualified person in order to
avoid a hazard.
Notice:
The term of validity is one year from the issued date.
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Contents Safety precautions.....................................................................3-4 1. Features................................................................................. 4 2. Names and functions of the hand dryer's components.......... 5 2-1 Configuration diagram and appearance diagram ............. 5 2-2 Operating procedure......................................................... 5 3. Specifications.........................................................................
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Safety precautions ●Please read the following items carefully before using this product, and perform the maintenance and repair work of the product correctly and safely. ●The types and levels of the dangers from mishandling this product are categorized and indicated by the signs shown below. Items that may cause death or serious injury if the prod- Warning uct is mishandled. Caution for electric shock Turn off the power If it is absolutely necessary to inspect the circuitry • Be sure to turn off
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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. • Do not leave a towel or other object in the hand-drying area. • Never place any object on the main body nor cover it. • Make sure that the product is not being used in any of the following locatio
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2. Names and functions of the hand dryer's components 2-1 Configuration diagram and appearance diagram 2-2 Operating procedure With both hands open, insert them Pull them out slowly, Pull hands all the way letting the air blow the out. all the way in. water off. The unit will come on automatically. Repeat until dry — — 5
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3. Specifications Voltage Frequency Power consumption Current Weight Dimensions (W ✕ D ✕ H) Model Phase (Vac) (Hz) (W) (A) (kg) (mm) JT-SB216DS-W-AUS 220-240 50-60 single-phase 650 4 11 300 ✕ 220 ✕ 687 The drain tank capacity is 0.8 . 4. Dimensions Unit (mm) — — 6
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5. Wiring diagrams — — 7
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6. Troubleshooting Precautions when diagnosing malfunctions: ● When servicing, be sure to recreate the malfunction 2 to 3 times before initiating repairs. ● When servicing, always keep proper footing. ● When servicing, make sure that the cord is pulled out of the outlet, or the breaker is off if no mains connector is built in the product, so as no electrical shock or injury to occur. Pay sufficient attention when working on the product. ● Always connect the power wire properly. ● When removing t
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Error mode display Cause Check procedure and action to take 4.Power switch • Unplug the relay connector, and measure the LED1 LED2 resistance at two places between each pair of the Power Inspection power switch's "brown" and "blue" lead wires. ●● (No display, no operation) 5.Control circuit • Replace the control circuit if other than above. 1.Display board • Is the sensor's lead wire connector (CN2) connected? LED1 LED2 • Unplug the control circuit's CN2 (3-pin connector), Power Inspection meas
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Error mode display Cause Check procedure and action to take 1.Motor • Measure the winding resistance. (Measure the LED1 LED2 resistance values between "black and white," "red and Power Inspection black," and "white and red" wires of the 1-pin ● ✩ connector coming from the motor.) (Motor lock) * Replace the motor if the measured values are other than the normal value shown in the table at right. Measured value Decision Approx. 3.4 to 3.7 Ω Normal 2.Control circuit • Replace the control circuit i
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Phenomena of problems other than error mode display Phenomenon Cause Check procedure and action to take Lighting does not turn on. 1.Lighting board • Replace the light receiving board. 2.Control circuit • Replace the control board if other than above. 1.Stained sensor's windows • Are the sensor's three windows stained? The hand dryer starts drying as soon as the 2.Disengaged sensor • Is the sensor's lead wire connector connected? power switch is turned 3.Displaced sensor's • Are the sensor's bo
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[Reference data] LED display list LED1 LED2 Description Main cause of occurrence Power Inspection ● ● Power switch OFF When normal ● ● Power switch ON Mischievous use prevention Continuous operation, sensor ✩ ● Abnormal 1 timer stained/disengaged Motor rotating excessively, out Main circuit, motor demagnetized ● ● of step Motor startup error, locked Main circuit, motor's wire ● ✩ open/disconnected ● ● Overcurrent Main circuit, motor short-circuited Overvoltage, low voltage, no Main circuit, p
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7. How to call Phenomenon 1 Phenomenon 2 Action to take 1.No air comes out after • The indicator lamps on the • Turn ON the power switch. inserting the hands. display are not lit. • The right indicator lamp on • Because the hand dryer was operated over 30 the display is blinking. seconds, the safety device was activated, thus automatically stopping the unit. • Are foreign particles and/or stains attached to the sensor part? • Is the hand dryer exposed to direct sunlight? * Change the installatio
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8. Technical notes • By employing a mono-form design, the hand dryer blends into various shapes of architectural spaces. • By using an angular nozzle, the hand dryer reduces air blow back, making it more comfortable to use. • The joint of the hand insertion section has been reduced by half. It minimizes the clogging of dust in the joint, making cleaning much easier. • The hand insertion section, drain tank and drain hose are treated by an antimicrobial process, improving hygiene. 9. Overhaul pr
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4Remove the maintenance cover clamping screws (marked by ▼) (five special black screws 4 x 16, indicated by ●). 5Pull out the maintenance cover, and then remove the switch cover clamping screw (one PTT screw 4 x 16, indicated by ●). 6Open the lid of the switch cover, and then remove the switch clamping screw (one PPT screw 3 x 10, indicated by ●). (3) Display board 1Perform the same work as in steps 1 through 4 of (2) above. 2Pull out the maintenance cover, and then remove the display board le
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(4) Control board 1Perform the same work as in steps 1 through 3 of (2) above. 2Remove the control board clamping screw (one PTT screw 4 x 16, indicated by ●). 3Remove the cord clip clamping screw (one PTT screw 4 x 16, indicated by ▲). 4Remove the line filter clamping screw (one PTT screw 4 x 16, indicated by ). 5Remove the terminal cover clamping screw (one PTT screw 4 x 16, indicated by ●). 6Remove the earth lead wire (green / yellow) from the terminal. 7Pull out the control board, and t
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(5) Blower 1Perform the same work as in steps 1 through 8 of (4) above. 2Remove the drain hose clamping screw (one PTT screw 4 x 16, indicated by ●). 3Remove the bushing (indicated by ▲). *When installing the bushing, be sure to securely inlay it all the way to the base. 4Remove the relay connector (indicated by ●). 5Remove the blower cover clamping screws (four PTT screws 4 x 16, indicated by ●). * When installing the blower cover, be sure to securely inlay the part indicated by . * Once the
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(7) Light emitting board (bottom) 1Perform the same work as in steps 1 through 6 of (5) above. 2Perform the same work as in steps 1 and 2 of (6) above. 3Remove the right side panel clamping screws (two PTT screws 4 x 16, indicated by ●). 4Remove the left side panel clamping screws (two PTT screws 4 x 16, indicated by ●). 5Remove the reactor clamping screw (one PTT screw 4 x16, indicated by ▲). 6Remove the reactor (indicated by ). 7Remove the left reinforcing plate clamping screws (four PTT sc
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ARemove the board fixing plate clamping screws (two PTT screws 4 x 16, indicated by ●). BRemove the light emitting board (bottom) from the board fixing plate, and disconnect the lead wires. (8) Light receiving board 1Perform the same work as in steps 1 through B of (7) above. 2Reverse the main body, remove the clamping screws (twelve special black screws 4 x 16, indicated by ●) from the rear surface, and then reverse the main body back to the original position again. 3Remove the panel (center
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5Remove the panel (rear). * Be careful not to drop the water immersion protective rubber (indicated by ●). * Replace the packing of the disassembled part with a new one. * When replacing the packing, be careful not to twist it. 6Remove the light receiving board holder clamping screws (two PTT screws 4 x 16, indicated by ●). * Replace the packing of the disassembled part with a new one. * When replacing the packing, be careful not to twist it. 7Remove the light receiving board from the holder
