ROWAN ELECTRIC APPLIANCE HZB-12/B User manual

PORTABLE AUTOMATIC ICE MAKER
HZB-12/B

1
TABLE OF CONTENTS
PREPARING YOUR ICE MAKER FOR USE........................................................................ 2
IMPORTANT SAFETY TIPS....................................................................................................................... 2
GETTING TO KNOW YOUR UNIT......................................................................................... 5
OPERATING PROCEDURES & MAINTENANCE.........................................................6
POSITION OF CONTROL PANEL & FUNCTION...................................................................................6
UNPACKING YOUR ICE MAKER............................................................................................................. 7
CONNECTING YOUR ICE MAKER...........................................................................................................7
CLEANING AND MAINTAINING YOUR ICE MAKER........................................................................... 7
USING YOUR ICE MAKER...................................................................................................... 8
TROUBLESHOOTING.............................................................................................................. 8
TECHNICAL PARAMETERS & CIRCUIT DIAGRAM....................................................... 9
EXPLOSIVE DRAWINGS........................................................................................................ 10

2
!
PREPARING YOUR ICE MAKER FOR USE
Your health and safety are top concerns for us.
This is the safety alert symbol:
These words below mean:
Dire consequences may occur if you don’t strictly follow the instructions.
All safety messages come with the alert symbol or the word “DANGER” , “WARNING”.All
safety messages will tell you what the potential hazard is, how to reduce the chanceof
injury, and what could happen to you if the instructions are not followed.
For your safety, please always read and obey the safety messages.
When using electrical appliances, you are supposed to follow all these basic safety
precautions below to reduce the risk of fire, electric shock, and injury to persons or
property.
Please read all these instructions before using any appliance.
Do not operate this, or any other appliance with a damaged cord.
If the supply cord is damaged, it must be replaced by the manufacturer or its
service agent or a similarly qualified person in order to avoid hazards.
This ice-maker must be positioned where the plug is accessible.
Connect to the properly grounded outlets only.
No other appliance should be plugged into the same outlet.
Be sure that the plug is fully inserted into the socket.
Do not run the power cord over carpeting or other heat insulators. Do not cover the
cord. Keep the cord away from traffic areas, and do not submerge it in water.
We do not recommend the use of an extension cord, as it may overheat and
become a risk of fire. If you must use an extension cord, use No.14AWG minimum
size and rated no less than 1875 watts.
WARNING
DANGER

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Unplug the ice maker before cleaning or making any repairs or servicing.
Exercise caution and use reasonable supervision when the appliance is used near
children.
Do not use your ice-maker outdoors. Keep the ice-maker away from direct sunlight
and make sure that there is at least 6 inches of space between the back of your unit
and wall. Keep a minimum distance of 6 inches on each side of your unit free.
Do not use any liquid to make the ice-cube other than water.
Do not clean your ice maker with flammable fluids. The fumes can create a fire
hazard or explosion.
Do not tip over.
If the ice maker is brought in from outside during wintertime, give it a few hours to
warm up to room temperature before plugging it in.
WARNING – This appliance must be earthed.
DANGER – Risk Of Fire or Explosion. Flammable Refrigerant Used. Do Not Use
Mechanical Devices To Defrost Ice Maker. Do Not Puncture Refrigerant Tubing.
DANGER – Risk Of Fire Or Explosion. Flammable Refrigerant Used. To Be
Repaired Only By Trained Service Personnel. Do Not Puncture Refrigerant Tubing.
CAUTION – Risk Of Fire Or Explosion. Flammable Refrigerant Used. Consult Repair
Manual/Owner’s Guide Before Attempting To Install or Service This Product. All
Safety Precautions Must be Followed.
CAUTION – Risk Of Fire Or Explosion. Dispose Of Property In Accordance With
Federal Or Local Regulations. Flammable Refrigerant Used .
CAUTION – Risk Of Fire Or Explosion Due To Puncture Of Refrigerant
Tubing;Follow Handling Instructions Carefully. Flammable Refrigerant Used.
The ice maker should be installed in accordance with the safety standard for
Refrigeration Systems, ASHRAE15. The ice maker shall not be installed in corridors
or hallways of public buildings.
If the unit is with problem need to be maintained, that replacing with like
components and that servicing shall be done by factory authorized service
personnel, so as to minimize the risk of possible ignition due to incorrect parts or
improper service.
IMPORTANT:
The wires in this mains lead are colored in accordance with the following code:
Green or Green with a strip yellow: Grounding
White: Neutral

4
Black: Live
To avoid a hazard due to instability of the appliance, it must be placed at an even or flat
surface.

5
GETTING TO KNOW YOUR UNIT
General instruction
1. Ice scoop.
2. Ice full sensor
3. Ice basket
4. Top cover with transparent window
5. Air exhausting
6. Water drain cap: at front btm side of the unit.
7. MAXIMUM WATER LEVEL:
Remove the ice basket, you can see the water level mark.

6
OPERATING PROCEDURES & MAINTENANCE
Position of control panel & function
Control Panel: Easy to use, visible functions touch display setting.
A. Selected ice size displaying: Small and Large.
B. Power indicator
C. Ice-Full indicator
D .Water shortage indicator
E. On/Off Button
F. Button to select ice cube size.
ON/OFF

7
DANGER
UNPACKING YOUR ICE MAKER
1．Remove the exterior and interior packaging. Check if the ice basket and ice scoop are
inside. If any parts are missing, please contact our customer service.
2．Remove the tapes for fixing the ice shovel, ice basket & ice scoop. Clean the tank & ice
basket.
3．Put the ice maker on a level & flat countertop without direct sunlight and other sources
of heat (i.e.: stove, furnace, radiator). Make sure that there is at least 4 inches gap
between the back & LH/RH sides with the wall.
4．Allow one hour for the refrigerant fluid to settle before plugging the ice maker in.
5．The appliance must be positioned so that the plug is accessible.
WARNING: fill with potable water only. Only use drinking water.
CONNECTING YOUR ICE MAKER
* Improper use of the grounded plug can result in the risk of electrical shock. If the
power cord is damaged please call our customer service.
1. This unit should be properly grounded for your safety. The power cord of this
appliance is equipped with a three-prong plug which mates with standard three
prong wall outlets to minimize the possibility of electric shock.
2. Plug your appliance into an exclusive, properly installed, grounded wall outlet. Do
not, underany circumstances, cut or remove the third (ground) prong from the power
cord. Any questions concerning power and/or grounding should be directed toward
a certified electrician.
3. This appliance requires a standard 110-120volt, 60Hz electrical outlet with three-
prong ground.
CLEANING
CLEANING AND AND MAINTAINING MAINTAINING YOUR YOUR ICE ICE MAKER MAKER
Before using your ice maker, it is strongly recommended to clean it thoroughly.
1. Take out the ice basket.
2. Clean the interior with diluted detergent, warm water and a soft cloth.
3. Then use the water to rinse the inside parts, and drain out the water by
unplugging thedrain cap on front bottom side.
4. The outside of the ice maker should be cleaned regularly with a mild detergent
solution andwarm water.
5. Dry the interior and exterior with a clean soft cloth.
6. When the machine is not to be used for a long time, drain water completely & dry the
interior.

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1. Open the cover, remove the ice basket and pour water into tank.
Keep water level below the water level mark.
2. Press “ON/OFF” button on the control panel to begin the ice making cycle.
3. Select the ice cube size by pressing the “Select” button. If the room temperature is lower
than 60℉, it is recommended to select small ice cube in order to avoid ice sticking
together.
4. The ice making cycle lasts approx. 6 to 13 minutes, depending on selection of ice cube
size and the room temperature. The recommended room temperature is 50℉to 105 ℉.
5. If water pump can’t inject water, the ice maker will stop automatically, and the “Add
Water” indicator will be on. Press “ON/OFF” button, fill water up to the max. water level
mark and press “ON/OFF” button again to turn on the unit again. Allow the refrigerant
liquid inside the compressor at least 3 minutes to settle before restarting.
6. The ice maker stops when the ice basket is full and the “Ice FULL” indicator will be on.
Warning: Direct sunlight or sunlight reflection may cause infrared sensor malfunction. If
the unit doesn’t stop even ice cubes obstruct sensor, move the unit where no sunlight.
7. Change water in the water reservoir every 24 hours to ensure a reasonable hygiene
level.If unit isn’t to be used, drain all the water and dry the tank.
Problem Possible Cause Solution
“Add Water”
indicator is on. Lack of Water.
Stop the ice maker, fill water, and press
“ON/OFF” button again to restart the
unit.
“Ice” indicator is on. Ice is full in basket.
Remove ice from ice basket. Continuous
press “Select” button 5 seconds, the
unit could make ice 10 cycles even
“Ice” indicator is on.
Ice cubes stick
together.
The ice making cycle
is too long.
Stop the ice maker, and restart it when
the ice blocks melt. Select the small size
ice cube selection.
Water temperature in
the inner tank is too
low.
Replace the water. Temperature of
water recommended at 40℉-90℉
Ice making cycle is
normal but no ice
formed.
Room temperature or
water temperature in
the inner tank is too
high.
The room temperature should be 50℉-
105℉, water temperature should be
40℉-90℉
Refrigerant in cooling
system leaks. Verified by a qualified technician.
Pipe in the cooling
system is blocked. Verified by a qualified technician.
USING YOUR ICE MAKER
TROUBLESHOOTING

9
TECHNINCAL PARAMETERS & CIRCUIT DIAGRAM
Model HZB-12/B
Protection Type I
Power 115V/60Hz
Ice Making Current 1.7A
Ice Harvest Current 2.0A
Refrigerant R600a 0.74Oz/21g
Design Pressure
High Side 290Psig
Low Side 88Psig
Vesicant C5H10
Net Weight 6.7Kg
Dimension ( W * D *H ) 222x313x320mm
Enclosure Plastic
POWER LED2S LED3L
ICE
WATER
ON/OFF SELECT
OPERATION PCB
RELAY
T1
MCU
MOTOR VALVE
COMP
AC-L
AC-N
DC WATER
PUMP
+PUMP-
+FAN-
3
Overload
Protector
C
COMP
SM
21Start Lelay
N
L
POWER
SUPPLY
G
Solenoid Valve
Motor For Ice
shovel
SM
WATER
DC FAN
MOTOR
COND TEMP SENSOR
ELECTRICAL DIAGRAM
MICRO SWITCH
MICRO SWITCH
INFRARED
SENSOR
DETECTOR
WATER LEVEL
DETECTING
MAIN CONTROL PCB