HBU122-2 - Water heater HAIER - Free user manual and instructions

Product Type	Electric Water Heater
Model	HBU122-2
Brand	Haier
Capacity	12 Liters
Power Supply	220-240V, 50/60Hz
Power Consumption	1500W
Dimensions (W x H x D)	350 mm x 450 mm x 350 mm
Weight	8 kg
Installation Type	Wall-mounted
Temperature Range	30°C to 75°C
Temperature Control	Adjustable thermostat
Safety Features	Thermal cut-off, pressure relief valve, anti-corrosion anode
Material	Enamel-coated steel tank
Heating Element	Copper immersion element
Insulation	Polyurethane foam
Water Connection	1/2 inch BSP
Energy Efficiency	Class C (approximate)
Maintenance	Annual anode inspection, descaling every 2 years
Spare Parts	Thermostat, heating element, anode rod, pressure valve
Warranty	2 years (standard)

Frequently Asked Questions - HBU122-2 HAIER

How do I install the Haier HBU122-2 water heater?

Installation should be done by a qualified professional. Ensure the wall can support the weight, mount the heater securely, connect water inlet and outlet using 1/2 inch BSP fittings, and connect to a 220-240V power supply. Refer to the manual for detailed steps.

What is the recommended temperature setting?

For normal use, set the thermostat between 50°C and 60°C. This prevents scalding and reduces energy consumption. For higher demand, up to 75°C, but be cautious of hot water burns.

How can I clean and descale the water heater?

Turn off power and water supply. Drain the tank completely. Use a descaling solution suitable for electric water heaters. Flush with clean water. Repeat every 2 years or more in hard water areas.

What safety features does the HBU122-2 have?

It includes a thermal cut-off to prevent overheating, a pressure relief valve for excess pressure, and an anti-corrosion anode to protect the tank.

How do I replace the anode rod?

The anode rod should be inspected annually. To replace, drain the tank, unscrew the old rod, and install a new one with Teflon tape. Tighten securely and refill before turning on power.

Can I use a timer to save energy?

Yes, you can install an external timer to heat water only during off-peak hours. Ensure the timer is rated for 1500W and compatible with your local electrical code.

What should I do if the water is not heating?

Check the power supply, reset the thermal cut-off if tripped, and test the thermostat and heating element with a multimeter. If faulty, replace the component or contact a technician.

What does the pressure relief valve do?

The pressure relief valve automatically releases water if internal pressure exceeds safe limits, preventing tank rupture. It should be tested periodically by lifting the lever slightly.

How long does it take to heat the water?

For a 12-liter tank, heating from cold to 60°C takes approximately 15-20 minutes at 1500W. Actual time depends on incoming water temperature.

Where can I buy spare parts for the HBU122-2?

Spare parts such as thermostats, heating elements, anode rods, and pressure valves are available from Haier service centers, authorized dealers, or online retailers. Use genuine parts for safety.

USER MANUAL HBU122-2 HAIER

White cylindrical device with black base and top label, no visible text or symbols on body

海尔牌HBU122-2型 超滤净水机

White industrial water heater with two cylindrical tanks and a top-mounted control unit (no visible text or symbols)

海尔牌HBU122-3型 超滤净水机

White laboratory device with two cylindrical ports and a top labeled 'Dy', no visible text or symbols on the body.

海尔牌HBU122-4型 超滤净水机

目录

安全须知 1

产品描述 3

安装步骤 4

滤芯更换 5

安装后检查 6

技术参数 7

产品保养及维修记录 8

产品保修卡 9

保护环境

厨下超滤净水机
HBU122-2	HBU122-3 HBU122-4

产品滤芯对应表
产品型号 滤芯型号
HBU122-2	HBUDF-10Y-PA01
	HBUF-10Y-PA01
HBU122-3	HBPP5-10Y-PA01
	HBUDF-10Y-PA01
	HBUF-10Y-PA01
HBU122-4	HBPP5-10Y-PA01
	HBUDF-10Y-PA01
	HBUF-10Y-PA01
	HBMG-10Y-PA02

1

Simple line drawing of a 3D rectangular box with internal compartments and a labeled arrow pointing to one (no text or symbols)

紧固龙头

Line drawing of a kitchen sink with a circular component and an inset showing the exterior sink (no text or symbols)

鹅颈水龙头安装完成

Technical line drawing showing four sequential mechanical assembly steps with arrows indicating motion (no text or symbols)

图1 图2 图3 图4

更换滤芯

Safety Precautions 1

Production Description 3

Installation 4

Filter Replacement 5

Check list 6

Technical Specifications 7

Record of Product Maintenance & Repair 8

Product Warranty Card 9

Environmental Protection

Please recycle all viable materials (ex. cardboard, plastic bags, adhesive tape and Styrofoam) and take care to discard packaging safely. To prevent injuries or suffocation, packaging materials should be kept out of reach from babies and infants.

Before Discarding Previous Device

Please follow either the instructions for discardment from either the manufacturer of your previous device or regulations from your local waste treatment facility. If these methods are not applicable, please refer to the three steps below:

1. Unplug device from the power socket
2. Cut the power cable before leaving the device at a safe location
3. Prior to discardment, please check that the device is out of reach from babies and infants at all times

Safety Precautions

To prevent any risks of fire, short-circuiting, injuries (both personal and for third parties) or property loss, please comply with the following safety instructions.

WARNING: Indicates a potential hazard for people or objects that could result in serious harm or fatality

• This appliance is not intended for use by persons (Including children) with reduced physical, sensory or mental capabilities or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety.
  • Children should be supervised to ensure that they do not play with the appliance
• Please keep device indoors at all times to avoid damage from direct sunlight or rain.
• Keep the appliance away from electromagnetic waves, heat sources, combustibles, chemicals
• Do not attempt to disassemble, repair or modify this appliance.
• Do not install the system in a non-potable water supply system.

CAUTION: Indicates that deviation from such suggestions could result in minor or moderately harmful situations

• This appliance is intended to be used in household and similar applications.

- In the case that the device will be either unused or not in the presence of an operating individual for more than 2 days, please unplug the power plug and turn off the water source. This is to prevent rats form biting the pipeline and other risks such as water hammer or pipe bursts from excessive water pressure.

- Drains should be present within two meters of the appliance to ensure successful drainage in case of leakages.

- Please keep clear of the vents on the left, right and back sides of the product. Avoid placing any objects within 15cm distance from device for heat dissipation.

- The functioning of the iced water system will be reduced when the ambient temperature is higher than 35 degrees celcius. Long-term use in such environments may result in product damage.

- Please check whether the power supply voltage conforms to the marked voltage of the product. The system operation must meet the minimum working water pressure requirements (refer to the technical specifications).

- Please turn power off before unplugging, and do not forcefully tug on power cable while doing so.

Safety Precautions

NOTICES

• Please turn off power when the device is not used for a time. To resume use, contact customer service for the maintenance and replacements of tank water and filters to ensure water quality
• Please check its working status every month. If it is unable to cut off power, please turn off the device and inform our service center to arrange professional technicians for home maintenance.

Maintenances Notice

• Please follow with our company’s recommended product use duration, or contact our service center between six to twelve months after warranty begins. Our professional technicians will maintain, repair or replace any parts of the device to ensure proper operation.
• Filter replacement dates may be found on the filters. These times are mere recommendations and may vary according to the water quality of each location. Please follow the advisement of our service center in regards to filter and OEM parts replacements.
• Different degrees of limescale will accumulate and vary over long-term use of hot water. In the case that cleaning is needed, please contact our service center for such services (at an additional cost even under warranty)
  If the power cable is damaged, please prevent any risks by contacting the service center for a replacement
• Device parts that come in regular contact with hot water may have shorter lifespans. If signs of deterioration appear, please immediately contact the service center
• Our company will not bear the responsibilities for any liabilities that may arise should users deviate from our OEM recommendations or use parts or accept services from a third party.

Replacement for Parts and Consumables

• Depending on water quality or level of use, this lifetime may vary.
- Please use materials that comply with the standards of potable water for all filters.

Application Field of Product

- Undercounter drinking devices can remove odor, remove bacteria from water, improve taste, reduce limescale, and remove harmful substances to provide pure and hygiene drinking water.

Installation Conditions

• Please refer to all related installation regulations, common standards, hygiene requirements, and the instruction manual.
• Please do not install this system by non-potable water system.
• Avoid installing product in areas with severely cold temperatures, solvent evaporation, oil and gas, chemical substances, UV rays or temperatures above 40 degrees celcius.
• The pipeline pressure must not exceed the maximum working pressure limit of the system (please refer to technical specifications). If exceeded, a pressure relief valve must be installed.
• The system operation must meet the minimum working water pressure requirements (refer to the technical specifications).

Undersink Slim Ultrafiltration Water Purifier
HBU122-2 HBU122-3		HBU122-4

Filter included in each product model
Product Model Filter Model
HBU122-2	HBUDF-10Y-PA01
	HBUF-10Y-PA01
HBU122-3	HBPP5-10Y-PA01
	HBUDF-10Y-PA01
	HBUF-10Y-PA01
HBU122-4	HBPP5-10Y-PA01
	HBUDF-10Y-PA01
	HBUF-10Y-PA01
	HBMG-10Y-PA02

1

Simple line drawing of a 3D rectangular box with two internal compartments and a labeled arrow pointing to one (no text or symbols)

First fix the main body to the wall Drill the faucet access hole in the desired position

②

1. Insert o-ring
2. Place the faucet base ring on O-ring
3. Insert the faucet into the center of the rings

3

Faucet Tightening

1. Insert screw from the base of the faucet
2. Place in mounting plate ring gasket
3. Place in mounting plate
   4.Use the locknut to fix the faucet in place

4

Line drawing of a kitchen sink with a circular component and an inset showing the exterior view (no text or symbols)

Completed installation

Connection instructions

① Faucet water outlet
② Raw water inlet
③ Connection to water filter
④ Inlet from water filter

Notice:

The pressureless design of the faucet cuts water inflow pressure before it reaches the filter. This prevents leakages when the filter is not in use. When the faucet is closed the filter system remains under pressure for a few more seconds, which will cause minor dripping at the faucet.

Installation diagram

Filter Replacement

Filter Model	HBUDF-10Y-PA01	HBPP5-10Y-PA01	HBMG-10Y-PA02	HBUF-10Y-PA01
Filtering material	GAC Activated carbon cloth	PP scale-inhibition filter	Cation exchange resin	UFmembrane, PP, GAC Activated carbon cloth
Recommended replacement cycle	3-6 months 3-6 months3 months 6-12 months

Note: According to different water quality, temperature and water consumption, the replacement cycle of filter is only for reference.

1

Technical line drawing of a mechanical assembly with no visible text or symbols

2

Technical diagram of a mechanical assembly with no visible text or symbols

3

Technical line drawing of a mechanical component with no visible text or symbols

4

Pure mechanical assembly diagram without any text, numbers, or symbols

Filter Replacement

1. Twist filter left and pull down for remov(pictures 1 & 2)
2. Insert the new filter and rotate to the

right for reinstallation (Pictures 3 & 4)

1. After replacing the filter, please open the faucet of the filter system and leave the water running for 5 minutes before use.

Check list

To ensure the technician's correct installation of the unit, please check that:

☐ All parts have been successfully removed from the packaging box
☐ Pipes are correctly connected (please check direction flow)
☐ Water and electricity can be constantly supplied throughout the installation
□ Water inlet valve is open
□ Customers have left their contact information for future convenient maintenance arrangements
□ Customers have been notified that the unit requires maintenance every six months to ensure its proper operation
☐ Please check for any leakages between or from pipes.
☐ If not immediately used after installation, the system must be checked again prior to its first official use

Product Name	Haier HBU122-2UF Water Filter	Haier HBU122-3UF Water Filter	Haier HBU122-4UF Water Filter
Product Type	HBU122-2	HBU122-3	HBU122-4
Flow Rate	2.0L/min	2.0L/min	2.0L/min
Product Size(mm)	167x112x402	167x187x402	167x187x402
Packaging Size(mm)	230x150x655	230x230x655	230x230x655
Net Weight	2.65kg	3.45kg	4.30kg
Gross Weight	3.40kg	4.70kg	5.50kg
MOH No.	鲁卫水进字【2019】第B028号	鲁卫水进字【2019】第B029号	鲁卫水进字【2019】第B030号
Nominal Capacity	2.0m^3
Place of Origin	Taiwan, China
Water Temperature	5-30°C
Ambient Temperature	5-40°C
Water Pressure	0.17-0.7MPa
Water Supply	Tap water
Implementation Standard	GB/T30307-2013
Water Quality	In Accordance With Sanitary Standard for Hygienic Safety and Function Evaluation on Treatment Devices of Drinking Water - RO Device (2001)
Actual Manufacturer	BWT Taiwan Ltd.
Actual Production Address	No.141, Guangde Rd., Taiping Dist, Taichung 411, Taiwan
Responsible Company in China	BWT Haier Drinking Water Technology Co. LTD
Address	Qingdao Sino-German Eco Park,Bate Space,Room 216,172 Taibaishan Rd., Huangdao District,Qingdao,Shandong,China

NOTE: The capacity under the condition of standard addition test

Record of Product Maintenance & Repair

Product type: Purchase date:

Record of Product Maintenance

Maintenance Date Maintenance Content Service Person Signature

In order to ensure the product can be operated properly and filter out high-quality purified water, please carefully read the instruction manual and replace the filter cartridge on time.

Record of Product Repair

Repair Date Repair Content Service Person Signature

NOTE: Pease keep this record page carefully and show to the technician during maintenance and repair.

Product Warranty Card

Thank you so much for purchasing Haier BWT INSIDE products!

If the products purchased through regular channels are non-artificially damaged, we will provide a 2-year free warranty service from the date of installation.

For installation, please call the service hotline: [phone], from 9:00 to 17:00 Monday to Friday (except for legal holidays).

Product category: ____ Purchase venue: ____

Product Type: ____ Sales person: ____

Purchase date: ____

Empty rectangular frame with dashed border on white background (no text or symbols)

I. Please read the following warranty terms carefully

1. Please check that the serial numbers on product package and on this card are consistent and valid, and please completely, correctly and truly fill this acknowledgement of receipt together with the installation person.

2. Please keep the warranty card and purchase invoice properly.

3. Please show the original warranty card or invoice (warranty card and invoice shall not be rewritten, otherwise invalid).

II. Any of the following problems during the warranty period can be fixed free of charge:

1. The product has quality problems such as leaking on tank or natural break of package box, the company is responsible for warranty; however, damage due to collision or poisonous gas and liquid is not covered by the warranty.

2. Product failure when use it under the condition of nominal power supply voltage and water supply pressure.

III. Any one of the following circumstances is not covered by the warranty. The company or its authorization service center will charge a reasonable fee for the card is re-written.

1. The user cannot show warranty card or invoice;

2. The product warranty card is inconsistent with the actual warranty goods or altered;

3. Damage or other losses caused by improper use or human activities:

4. Product failure when use not under the nominal power supply voltage, water supply pressure, ambient temperature as shown in the technical specifications.

Acknowledgement of Receipt (Distributor's)

User name: ____

User phone no.:

Address:

Postcode: ____

Email: ____

Purchase date: ____

Product type: ____

Dealer name: ____

Installer name: ____

Installation date: ____

User signature: ____

Acknowledgement of Receipt (Manufacturer's)

User name: ____

User phone no.: ____

Address: ____

Postcode: ____

Email: ____

Purchase date: ____

Product type: ____

Dealer name: ____

Installaer name: ____

Installation date: ____

User signature: ____

Haier

BWT INSIDE