Alpine HEMLOCK ALP400 Series User manual

HEMLOCK
HAND DRYER
USER GUIDE
ALP400-SERIES

Thank you for
your purchase.
Alpine maintains a strong practice
of ongoing development of products
and commercial research.
Combining commitment to the customer, design
innovation and skilled, dedicated workforces, they
have produced a range of products that are an
essential part of every commercial facility. Every
product is designed to the highest standards,
enabling you to get your requirements done in a
reliable and cost-eective way.

Table of Contents
2
3
4
7
10
18
21
23
Safety Instructions
Cleaning/Maintenance
Installation Guide
Troubleshooting
Maintenance
Diagrams
Notes
Warranty

2
Important Safety Instructions
WARNING
A comprehensive installation guide is enclosed with the unit packaging. This
contains detailed information on the correct installation of the unit which
MUST be adhered to completely. Damage caused by incorrect installation is
not covered by your warrantee. If hardwired, installation MUST be by a
qualified electrician. The instructions in this manual and the installation guide
must be followed completely. Failure to do so may result in incorrect
operation, damage to property and/or personal injury. Alpine Industries will not
be held liable for any damage to property or personal injury, or any loss of
business or revenue, if you, your staff, your installer or service engineers have
not followed the instructions given in this manual and the installation guide.
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY, NOTE THE
FOLLOWING:
•This unit is not intended for use by persons (including children) with
reduced physical, sensory or reasoning capabilities, or lack of
knowledge, unless they have been given supervision or instructions
concerning use of the unit by a person responsible for their safety.
•Do not use hand dryer for any purpose other than drying hands. Use this
unit only in the manner intended by the manufacturer.
•Before servicing, switch the power to off at the service panel. Ensure the
switch is locked to prevent the power from being accidentally switched
on. If the means of switching off the power cannot be locked, securely
fasten a prominent warning device, such as a tag, to the service panel.
•Children should be supervised to ensure that they do not misuse the unit.
•Do not obstruct air inlet holes or outlets.
•If you have any further questions contact the manufacturer.
CAUTION
Your hand dryer should be located indoors. To reduce the risk of fire or electric
shock, do not expose the internal mechanisms/components of this unit to
moisture.

3
Outside
•Gently wash cover and air inlet holes using a soft cloth, lukewarm water,
and a nonabrasive cleaner.
Inside
•Alpine recommends regularly checking and cleaning the insides of your
machine to ensure proper performance.
•Use a soft dry cloth or brush to gently remove dust from parts and inlet
holes.
•If your unit contains a filter, be sure it does not come in contact with
water.
•Change filter every 6 months.
•For a new filter contact your local dealer or contact us at
[email protected].
Cleaning/Maintenance
•Before servicing or cleaning the unit, switch power to off at the service
panel.
•Lock to prevent power from being switched on accidentally.
•If you cannot lock the service panel, securely fasten a prominent
warning device, such as a tag, or label, to the panel.
WARNING
1. Do not pressure-wash the unit.
2. Do not clean the filter or allow it to come in contact with water.

4
1. Ensure that the electrical supply corresponds to that shown on the
rating sticker of unit.
a. Permanent damage to the unit may result if connected to any
electrical supply other than that stated on the rating sticker of
the unit.
2. Confirm that the electricity at the main panel is switched to off before
installing or maintaining the unit.
3. The unit must be protected by an independent circuit.
Installation Guide
WARNING
•For proper electrical connections, check your local building codes.
•If hardwired, unit must be installed by a qualified, licensed electrician.
Pre Installation Wiring
Hardwiring
Brown or Red
Black, Blue, White or Gray
Green or Yellow
Live/Hot Wire
Neutral Wire
Ground Wire

5
1. If hardwired, disconnect power source of electricity previously brought to
the hand dryer location.
2. Be sure there is no obstruction between floor and dryer.
•If mounted over counter top place dryer no less than 16 inches
above counter.
•Do not install dryer over wash basin.
3. Mark wall at appropriate mounting height according to height guide below.
Recommended Height Guide
From Floor to Bottom of Dryer
45”- 114 cm
43”- 109 cm
42”- 107 cm
34”- 86 cm
38”- 97 cm
Men
Women
Teens
Young Children
Handicapped
•Your hand dryer should be located indoors.
•To reduce the risk of fire or electric shock, do not expose the
internal mechanisms/components of this unit to moisture.
Installation Guide
Installing the Hand Dryer Unit
CAUTION

6
4. Hold the template (supplied) against bare wall.
•Make sure that the line of template representing bottom of dryer
is horizontal.
•Mark location of screws.
5. Remove shipping security screw located at center top of back-plate.
6. Use wretch (supplied) to remove the two mounting screws located at the
side of the cover and lift cover up from base plate.
7. If electrical wiring entry is made from rear, remove the pre-formed knock-
out from the base plate.
8. Attach base plate to the wall at the 4 previously marked points.
•Beware if you prefer unit not to meet wall use rubber gaskets
supplied.
9. Attach cover to the base plate.
•Push bottom in first.
10. Replace screws previously removed from cover using wrench.
11. Restore power and test for proper operation.
Installation Guide
Installing the Hand Dryer Unit (Continued)

7
Troubleshooting
Dryer Will Not Turn On:
1. Check power to the unit and connections. Verify dryer is receiving the
correct voltage at the Terminal Block (check dryer label on the outside
bottom of the cover).
2. Adjust the sensor range (refer to wiring diagram sheet).
3. Check for loose, disconnected or improper wiring. Especially make sure
that the sensor wires are well connected (refer to wiring diagram sheet).
If you did the 3 steps above and the dryer is still not
working, place your hands under the sensor and
check for the following:
1. If the blue LED light turns on then the Main Circuit Board needs to be
changed.
2. If the blue LED light does not turn on, the Sensor and Program Board
needs to be changed.
a. If after changing them it's still not working, the Main Circuit Board
needs to be changed.
3. If after the above steps are completed and it still doesn't work, the
Motor needs to be changed.

8
Dryer Does Not Shut Off
1. It may be mounted too close to a counter or object and has gone into
lockout.
a. If relocating appliance is not possible, adjust the range of the
Sensor.
b. Turn off the power to the dryer then turn the range adjustment
on the program board counterclockwise towards low to decrease
the sensor's range (refer to wiring diagram sheet).
2. Check for loose, disconnected or improper wiring at Control Assembly
(refer to wiring diagram sheet).
3. Replace Sensor and Program board.
1. It may be mounted too close to a counter or object and has gone into
lockout.
a. If relocating the appliance is not possible, adjust the range of
the sensor.
b. Turn off the power to dryer then turn the range adjustment on
the program board counterclockwise towards low to decrease
the sensor range (refer to wiring diagram sheet).
2. Check for foreign material on the optical sensor next to the air outlet.
3. Check for loose, disconnected or improper wiring at Control
Assembly (refer to wiring diagram sheet).
4. Replace the Sensor and Program board.
Dryer Does Not Always Turn On or Turns On By Iteself
Troubleshooting

9
Dryer Blows Only Cold Air
1. Check the motor speed setting on the control (if supplied).
2. Check for the slow running Motor or burning smell.
a. If so, replace the Motor.
3. Check for lint buildup at the filter or in the air inlet holes.
a. If so, replace filter and clean the air inlet holes.
Dryer Has Loss of Air Volume
1. Check the heat setting on the control (if supplied).
2. Check for loose connections to the Heating Element (refer to wiring
diagram sheet).
3. Replace the Heating Element.
Troubleshooting

10
Maintenance
Removing Hand Dryer From The Wall
Base x screwAllen Key
1. It is recommended to take the hand dryer from wall ONLY when you need to
replace a new motor or two side cover fix brackets.
2. Remove and retain 2 side security hex cover screws with a Allen key, then
remove the cover.
3. Loosen and remove the 4 base fixed screw.
a. Then, take the hand dryer from wall and place it on a flat, clean
surface.

11
Replacing Brackets
Bolt
Gasket
Spring
Gasket
Hand Dryer
base Grounding Wire
Bracket
Bracket x
screw
1. Remove the grounding wire fixed on bracket by loosening the screw.
a. Be sure not to lose the screw and two gaskets.
2. Loosen the two bracket fixed screws from the hand dryer's base back.
3. Replace the bracket(s) with the new one(s).
a. Be careful not to over-tighten.
4. Fasten the grounding wire to the bracket tightly and keep it as:
a. Base-->Gasket-->Wire-->Spring Gasket-->Bolt
Maintenance

12
Replace Sensor/Program Board
Program
board
Sensor
house
House
cover
Sensor
Melt
adhesive
Nozzel
Sensor
Maintenance
1. Remove the nozzle by loosening the nozzle screw.
a. Be sure not to lose it.
2. Remove the sensor from its housing and disconnect it from the
program board and main board.
a. The melt adhesive is only for safe transportation and you
do no need to use it when replacing the sensor.
3. Remove the program board by loosening the two screws.
4. Connect new program board.
5. Connect the sensor.
a. Please take care not to damage the sensor board when
replacing it with a new one.

13
Replace Main Circuit Board
Main board
Maintenance
1. Disconnect all the wires from the circuit board.
2. Unscrew the 3 screws and remove the main board.
3. Connect the new main board.
4. Reconnect all the wires (see Diagram on page 1).

14
Replace LED
LED
Lock
Maintenance
1. Remove the nozzle by loosening the nozzle screw.
a. Be sure not to lose it.
2. Remove the LED from LED housing and disconnect it from the main board.
a. It is recommended to use a slotted screw driver to push the lock out a
little then push the LED down lightly.
3. Push a new LED bottom from the bottom up until it is well-locked.
a. Connect new LED wire to main board.

15
Replace Heat Element
Air Seal Gasket
Maintenance
1. Disconnect two heating element wires from the Main Board.
2. Loosen the 4 screws on the heat element holder then pull it out.
a. Be sure not to lose screws and the air seal rubber gasket.
3. Put the air seal gasket on the new heating element.
a. Slide it into the housing.
4. Screw back in the heating element holder.
a. Do not over tighten.
5. Reconnect the wire to Main Board as shown in the diagram.

16
Replace Filter or HEPA Filter (If Supplied)
HEPA
Maintenance
1. If it is a normal air filter:
a. Pull is straight out
b. Then, replace it with a new one.
2. If it is a HEPA air filter:
a. Remove air inlet right cover by loosening the 4 screws.
b. Be sure not to lose them.
3. Replace it with a new HEPA filter.
4. Replace over and do not over tighten it.

17
Motor x rubber ring
Motor x bracket
Motor
Replace Motor
Maintenance
1. Disconnect the motor wire from the motor to the Main Board.
2. Move the air inlet right cover by loosening 4 screws.
a. Be sure not to lose them.
3. Move the motor fix bracket and motor fix rubber ring by loosening 4 screws.
a. Be sure not to lose them.
4. Pull out the motor lightly and disconnect two wires. Be sure the two wires go
through motor house hole smoothly.
5. Replace a new motor and keep it well installed.
a. It is important to install the two rubber rings evenly.
6. It is recommended to weld the wire on motor‘s two connection pins.
a. Pull the two wires from the motor housing lightly.
b. Reconnect motor wire as diagram.

18
WALL
Diagrams