Service Manual
Model No:ES50/80/100V-F1(R)
-1-
SERVICE MANUAL
Electrical Water Heater
Model No. ES50V-F1(R)
ES80V-F1(R)
ES100V-F1(R)
WARNING
© 2008 Haier electric Company Limited
All right reserved .Unauthorized copying and distribution is a violation of law
Haier Group
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
repair the product or products dealt with in this service information by an
yone else could result in serious injury or death
!
Service Manual
Model No:ES50/80/100V-F1(R)
-2-
Chapter 1: General Infromation
1-1. Table of Conte nts
1. General Information…………………
..
………………………………………………………………2
1-1.Table of Contents 2
1-2.Notice 3
2. Product Feature………………
......
…
..
……………
...
……………………………………………….4
2-1. Featu res 4
2-2. Produc t Code ill um ination and Series Introduction 4
2-2-1. Model Identification 4
2-2-2. Series I ntroduction 4
2-3. Dim ensions 4
3. Instal lation
…………
……
..............................................................................................................5
3-1. Installation 5
3-2. Attentions in Installation 6
4. Operation………………
.....
……
..
………
.
…………………………………………
……………………6
4-1. Operation I nstructions 6
4-2. Atte ntion s in Operation 7
5. Specifications and Circuit Diagram………………
....
……………………………………………….8
5-1.Specification s 8
5-2. Circuit Diagram 8
6. Usage Cleaning and Maintenance………………
..........
……………………………………………8
6-1. Usage 8
6-2. Cleaning and Maintenance 8
6-2-1. To clean the outside 8
6-2-2. To clean the inside 9
6-2-3. I nspection 9
6-2- 4. Not used for a long period 9
7. Tro uble shooting……………...……………………………………………………………………….10
Service Manual
Model No:ES50/80/100V-F1(R)
-3-
1-2. Notice
1. To ensure safety, please use a separate socket (never use a multifunctional socket) which is
reliably grounded and complies with the national standard. Never use the water heater when it is
not reliably grounded. Check with an electroprobe to ensure that the live wire and the neutral wire
are not connected reversely.
2. Do not use a broken power cable or socket. Remove dust on the power plug and socket in a timely
manner.
3. The water heater which is used for th
e first time must be filled up with water before you switch on
the current!
4. If the temperature of the water you set is over 50 , it may burn your body, so it must be mixed with
cold water before use!
5. Please don’t make the spray-head towards human body when you open or close the valve or adjust
the temperature of the water so as to avoid being burnt by a little stream of hot water!
6. The temperature of the pressure-relief vent of the safety valve is high, so it may scald your bod
y!
7. 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 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.
8. Do not install the water heater in floor-standing manner. Do not install it in a place without dr
ainage
9. Never touch the power plug with wet hands and avoid the water heater, plug and socket from being
splashed by water. In case they are wetted accidentally, it must be inspected by a professional
authorized by the company before being put into use again to avoid electric shock
Correct Disposal of this product)
This marking indicates that this product should not be disposed with other household
wastes throughout the EU. To prevent possible harm to the environment or human
health
from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of
material resources. To return your used device, please use the return and collection
systems or contact the retailer where the product was purchased. They can take this
product for environmental safe recycling.
Chapter 2: Product Feature
Service Manual
Model No:ES50/80/100V-F1(R)
-4-
2-1. Features
1. Safety:
High-quality heat proof stainless steel electric heating element, overtemperature protection;
overpressure protection of tank; safe and reliable. “Safe Care”patented design together with the
function of monitoring and displaying of live ground wire has become a real safeguard for family
safety.
2. Durability:
The shell adopts dusting anticorrosion treatment, handsome and durable enamel tank, with reliable
quality and long operation l
ife.
3. Multiple usage:
Enclosed structure, capable of supplying water to multiple places like toilet, kitchen etc. Suitable for
family, enterprises, service trades like beauty care on hot water supply (not drinkable).
4. Nice molding, horizontal type wall-mounting design, saving space.
The water heater you purchased is the improved model of the series product. Please operate
according to the user's manual.
2-2. Product Code illumination and Series Introduction
2-2-1.Model Identification
E S 50 V–F1 (R)
1 2 3 4 5 6
2-2-2. Series Introduction
1: E- Electrical water heater . . 2: S- Storage water heater. 3: 3- Rated capacity
4: V- Vertical installation 5: F1-Protuct series 6:R-The code for Russia
2-3. Dimension
Chapter 3: Installation
Service Manual
Model No:ES50/80/100V-F1(R)
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3-1. Installation
The water heater must be installed by the installation personnel from or appointed by our
after-sale service department.
The water heater shall be wall mounted.
Use a percussion drill to drill 4 holes with a diameter of 12mm and a depth of 65mm on the wall
according to the dimensions as shown in Figure 2;
Insert the expansion bolt into the corresponding wall hole to securely fix the wall-mounting
bracket, and then uplift the water heater to hook the water heater back on the wall-mounting bracket.
After installation, screw on the drain hose of safety valve. Install the safety valve and other
accessories as per the above figure, with PTFE seal tape used.
To facilitate in assembly and disassembly of the water heater, it is recommended that the water
inlet and outlet pipes be added with G1/2 unions respectively. Confirm the location of water supply,
and connect respectively the the water inlet pipe and the tap water pipe to the water tap.Fill the inner
container with water, and check the water line for any leakage, if so, connect it again.
Warning: Do not lose hold of the water heater until you Make sure to press the hook
tightly with your hand until it is reliably hung on the wall slab, otherwise the
water heater may fall off, resulting in personal injuries or property damages.
3-2. Attentions in Installation
During installation of the water heater, some clearances (at lease 250mm vertically, at least
700mm horizontally) shall be left to facilitate in future maintenance. If the water heater is inserted
in the pinch plate, the downside of the pinch plate is movable, ensuring that the maintenance
cover can be removed during maintenance.
Make sure that the tap water inlet pressure is not less than 0.05MPa, and the maximum pressure
not exceeding 0.75MPa.
The water heater shall be installed indoors, with the ambient temperature above 0 , and the
piping shall be centralized.The hot water outlet shall be close to the hot water tap as far as
Mod
el
ES50V-F
1(R)
ES80V-F
1(R)
ES100V-F
1(R)
a 170mm 170mm 170mm
b 88mm 88mm 88mm
c 362mm 635mm 851mm
Service Manual
Model No:ES50/80/100V-F1(R)
-6-
possible. It the distance between them is more than 8m, the hot water piping shall be heat
insulated, to reduce heat loss.
The water heater shall be installed on the solid and firm wall, which can bear two times of the
water-filled water heater weight.No adhesive is allowed to avoid accidental falling of the water
heater. If the bearing wall or hollow brick wall is not used, proper protections must be taken, e.g.
addition of supports, use of wall-through screws, mounting of backing plates.
The water heater shall be installed at the place which is easy of access and provided with floor
drain. Make sure that leakage of the water tank or pipe will cause no damage to surrounding or
underground facilities. It is preferably installed above the pedestal pan, bath, washbasin or
doorframe to protect users against depressing or insecure feelings.
Correct the water inlet and outlet pipes properly. The safety valve shall be installed as required,
without any unauthorized modification. The pressure relief of safety valve shall be connected to
the atmosphere, without any clogging.
Use the test pencil to check if the live wire and zero line are properly connected. Do not power it
on for heating until you make sure that the water heater is water-filled, all connections are free of
leak and the power is satisfactory.
To avoid hazards due to accidental reset of the thermal breaker, the water heater can be neither
powered by the timer or other external switch gears, nor connected to the circuit switched
frequently via other devices.
To avoid accidents, our accessories must be installed, and cannot be replaced or
substituted at discretion. In case of damaged accessory , contact our maintenance department for
repair, and replace with new ones provided by us, otherwise we have no responsibility for any
direct or indirect loss arising from accidents due to non-compliance with these requirements.
Chapter 4: Operation
4-1. Operation Instructions
Enter the bacteria
prevention function
ON/OFF
■
icons:
Icon of S
mart/number of
people
Heating icon
■ Keys:
Half Single container mode icon
)
Enter the Smart mode/select
number of people
All Dual container mode icon
)
Enter the single container
mode
Maximum heating
temperature/actual temperature
icon
)
Enter the dual container mode Bacteria prevention function
icon
1 If the water heater is powered on, the display is on for 1s, then the water heater goes into the status before
power failure
2 Press to start up.
1. Press “Smart”to select number of people, and the numerical code is alternately switched
between 1 2and3.
Numerical code 1 is on: for one-person bath;
Numerical code 2 is on: for two-person bath;
Numerical code 3 is on: for three-person bath;
Smart
1.5KW
3KW
Start
-
up
Smart mode
Service Manual
Model No:ES50/80/100V-F1(R)
-7-
2. The water heater will automatically complete heating as per the selected number of people.
50L allows one-person bath and two-person bath;
80L/100L allows one-person bath two-person bathand three-person bath ;
Press
“1
.5kW”to light the icon“Half”, and after the default maximum heating temperature of 75
blinks for 2s, the actual water temperature appears; the water in left inner containers is heated at the
power of 1500W;
Press
“
3
kW”to light the icon
“
All”, and the water in both inner containers is heated simultaneously at
the power of 3000W;
1.Press “BPS”to light the icon
“
”, and after the default maximum heating temperature of 80 blinks
for 2s, the actual water temperature appears. After the actual water temperature reaches 80 , the
bacteria prevention is completed, and the function is automatically deactivated, with the
“
”off. The
maximum heating temperature is the heating temperature before the bacteria prevention function is
activated. Press
“
B
PS
”to re-activate the bacteria prevention function.
Note: 1.The bacteria prevention function is available under the Smart or single/dual container modes;
2. Settings of BPS mode can be reserved against power failure;
3. The bacteria prevention function cannot be independent of other functions.
After bath, press to shut it down.
Tips: In the dual container mode, because of different powers for heating tubes of two containers or
other impacts, it is normal that the right container is still heated when the display temperature is 75 .
4-2. Attentions in Operation
Single/dual container
Shutdown
Bacteria prevention function
Do not connect the power before filling the inner chamber with water in order
to prevent damage to the water heater.
Adjust the water temperature to the suitable level before use in order to prevent
scalding.
Insofar as there is adequate hot water, set a lower temperature to reduce heat
loss, high temperature corrosion and scaling. This will extend the water heater's
lifespan.
otherwise it may cause fire.
1
To avoid danger caused by accidental resetting of the heating breaker, the
power for the heat cannot be supplied by timer and other external switch
devices or connected to circuit with frequent switching for facility use.
5
2
3
4
Things to note during use
Service Manual
Model No:ES50/80/100V-F1(R)
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5-1. Specifications
5-2. Circuit Diagram
Chapter 6: Usage ! Cleaning and Maintenance
6-1. Usage
1. After installation, as the tank is empty in the first usage, be sure to open the faucet water inlet valve
and mixing valve. When the tank is filled with water, and the shower nozzle or other water outlet
keeps water outputting, please close the mixing valve, check if there's water leakage at each joint,
and plug the power plug.
2. Turn the knob as per the needed water temperature. The mark of knob increases from water inlet
temperature to 75 . Y
ou can set heating temperature steplessly. The heating indicator will shine
under heating mode. Generally the knob should be set to the highest scale. The water heater can
regulate the temperature automatically. The power will be switched off automatically when the set
temperature is reached, and will be switched on automatically when the temperature drops to certain
level. As it continues heating, you can use hot water as well.
When the tap water inlet pressure arrives or exceeds
0.75MPa, the drain hose of safety valve will
discharge large amount of water. It is due to extra high water pressure. Please contact the after
service for disposal.
6-2. Cleaning and Maintenance
Warning!
Repair or maintenance of the water heater can only be performed by qualified service persons.
Improper methods may cause serious injury accident or property damage.
6-2-1. To clean the outside
Disconnect the power supply before cleaning the water heater.
Wipe it lightly with a
piece of wet cloth dipped in a little neutral detergent. Do not use gasoline or other
solutions. Then, wipe it with a piece of dry cloth and keep the shell dry. Do not clean it with detergent
containing abrasives (e.g. toothpaste), acidic substances, chemical solvents (e.g. alcohol) or polish.
6-2-2. To clean the inside
Chapter 5: Specifications and Circuit Diagram
L:Brown (or black) wire
N:Blue wire
E:Yellow/green wire
MT1/MT2:High temperatu
re limiter
EH:Heating element
RT1/RT2:Sensor
Relay
Display panel
Rel ay
EH
RT2
Relay
MT2
M
T1
RT1
37
Service Manual
Model No:ES50/80/100V-F1(R)
-9-
To ensure the water heater to work efficiently, the heating elements and the inner tank should be
cleaned once every three years. Take care not to damage the protection coating outside the heating
element and inside the inner tank. The magnesium anode rod should be replaced periodically
according to local water quality and the use habits. Please contact the local service department if you
need maintenance
6-2-3Inspection
The relief valve should be checked once every month during use of the water heater. The methods:
turn the small handle of the relief valve from the side of the inlet pipe (take care not injury your hand).
If water flows out, the relief valve is OK. If no water flows out, please contact the local after-sales
service department. If it is damaged, please replace with a relief valve of the same specifications.
Perform safety inspection by service personnel regularly. Remove the scales on the heating tubes
and inspect consump
tion of the magnesium anode rod in a timely manner. Replace the magnesium
anode rod if it is consumed excessively.
6-2-4. Not used for a long pe riod
If the water heater is not used for a long period, please:
1. Turn off the water tap.
2. Screw one end of the drain hose onto the relief hole of the relief valve and turn on the relief valve
with the handle.
3. Turn the hot water valve of the water heater to maximum position (unscrew the hose of the shower
nozzle from the outlet valve at the same
time. Take care to avoid scalding by hot water) to drain the
inner tank.
When it is used again, to avoid injury, before turning on the power supply of the water heater, it is
recommended to turn on the hot water valve to vent the gasses that may accumulated in the pipeline.
Do not smoke or use open fire near the open valve during this period. Before putting into use,
carefully check that all components of the water heater are in good condition and confirm the inner
tank is full of water
Service Manual
Model No:ES50/80/100V-F1(R)
-10-
Chapter 7" Trouble shooting
Phenomenon Items to be confirmed Solution
No flow
Whether or not the water supply
system is cut off or under too low
water pressure
Check
Whether or not the water tap is
clogged, and the hot water valve
is opened
Check and clear up.
Cold water supplied
1 Whether or not the hot water
port is closed
Check and open the port
2 Whether or not the water
temperature is well adjusted
Make corrections as per the usage
stated in the manual.
3 T
he water is not heated to the
set temperature because the
heating time is too short
Make corrections as per the usage
stated in the manual.
4 Whether or not the
components are damaged
If Items 1, 2 and 3 are confirmed as
irrelevant items, please contact the
maintenance department.
Below the required heating
temperature or less hot
water supplied
1 Whether or not the current
function mode is properly set,
and the set temperature is
too low
Make corrections as per the usage
stated in the manual.
2 Whether or not the tap water
pressure is too high
Turn down the water outlet valve
Water supplied with
unstable flow and
temperature
Whether or not the tap water
pressure is stable
Turn down the water outlet valve or
use after the water pressure is stable.
No power or display failure
1 Whether or not the power is
well contacted
Check the power socket.
2 Whether or not the components
are damaged
If item 1 is confirmed as irrelevant one,
please contact the maintenance
department.
Display E1 Circuit fault Contact the maintenance department
Display E2
1 Whether or not the inner
container is filled with water
After power-off, fill it with water and
then power on again.
2 Whether or not the
components are damaged
If item 1 is confirmed as irrelevant
one, please contact the maintenance
department.
Display E3/E8
1 Whether or not the ambient
temperature is below * 20
Power off until the ambient
temperature is above * 19 , and
then power it on again to go back to
normal.
2 Whether or not the sensor is
damaged
If item 1 is confirmed as irrelevant
one, please contact the maintenance
department.
Service Manual
Issue
Model No" ES50/80/100V-F1(R)
Rev.
-11-
Sincere Forever
Haier Group
Haier Industrial Park, No.1, Haier Road
266101, Qingdao, China
http://www.haier.com
Printed in China
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