Haier FCD-JTHC100A-III (E) User Manual Download Page 2

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Statement: This water heater shall only be repaired and maintained by qualified servicemen.  

Improper maintenance may cause severe injury or damage. Before opening or repairing 
water heater, please do pull out the power plug.

Note: Before asking for service, please refer to troubleshooting section to resolve easy problems.

External Cleaning: Disconnect power supply before cleaning. Gently wipe with wet cloth 
dipped with a little of mild detergent. Do not use gasoline or other solvents. Finally dry 
with dry cloth. Keep water heater dry. Do not use cleansers containing grinding agent (e.g. 
toothpaste), acids, chemical solvents (e.g. alcohol) or polishers to clean.
Internal Cleaning: To ensure high working efficiency, heating elements and tank liner of water heater 
shall be cleaned once in three years. Take care not to damage protection layer on heating elements 

rod shall be periodically replaced. If maintenance is needed, please contact local service station.
Tank Liner Cleaning: Do pull out power plug before cleaning. To clean, close water inlet valve, 
open outlet valve, take down drain plug and empty the tank. Then open water inlet valve to 

Connection and Use of Safety Valve:

Before Usage

Installation

Before Usage

Cleaning and Maintenance

Installation must be made by installers of or designated by our company after-service department.
The water heater shall be wall-mounted.
Before installation, make sure water heater rear wires are fit firmly. Determine an installation 
location. Make four holes Ø12mm, 65mm deep in the wall. Insert and fix expansion hooks and 
expansion bolts in corresponding wall holes. Lift the water heater. Insert wall rack onto the 

Tighten the nuts and check them firm. Install accessories such as safety valve, drain hose as 
shown in Fig. 2. Use sealing compound to prevent water leakage.
To facilitate installation and removal, it is suggested a G 1/2" movable nut is fitted at 
appropriate locations on inlet and outlet pipes respectively. Find water supply location. 
Connect inlet pipe, outlet pipe and city water pipe respectively to the use point.
Note: To avoid heat dissipation, hot water pipe shall not be too long.
For easy future maintenance and repair, adequate space must be reserved during installation.

Before Usage

Attentions in Installation

Before Usage

Operation Instructions

During installation, adequate space must be reserved for future maintenance and repair. If 
the water heater is installed within decoration boards, the right board shall be removable to 
facilitate removing the plastic cover during maintenance.
City water inlet pressure shall not be less than 0.05 MPa

Maximum pressure can not exceed 

0.75MPa.

Electric water heater shall be installed indoors with ambient temperature above 0

o

C. The 

pipes shall be collectively laid. Hot water outlet shall not be too far from use points. In case 
farer than 8 m, hot water pipe shall have a thermal insulation to minimize heat loss.
The mounting wall shall be firm and reliable to support 

four times

 the weight of water 

heater  full of water. Non-load bearing walls or air brick walls must have corresponding 
protective measures like additional support, wall-through screws or back boards. 

drainer. In case the tank or pipes leak, nearby or lower facilities shall not be damaged. The 
installation location shall avoid being above toilet bowl, bathtub, washbasin or doorframe, 
where will cause a suppressed or unsafe feeling to users. 
Power socket for water heater shall be in a dry place free of water splash. (splash-proof box is preferred)
Do not confuse inlet and outlet water pipes. Safety valve shall be installed at designated 
position with no random modification.

The safety valve should be connected to the cold water inlet 
pipe. Please check carefully if the direction is correct after 
installation. The correct direction of installation is that the 
arrowhead on the safety valve should point to the water heater.
If your water heater is not installed in a bathroom with sewage 
drain, please connect the drain hose to the safety valve. Connect 
one end of the hose to the safety valve vent and the other end 
to the sewage drain. The hose can be cut short or extended as 
necessary. The hose shall be installed as inclined downward.
The water may drip from the discharge pipe of the pressure 
relied device and that this pipe must be left open to the 
atmosphere. Check safety valve once a month as follow: move 

local after-sales service station.
The pressure relief device is to be operated regularly to 
remove lime deposits and to verify that it is not blocked.

Hot 

water

outlet

Hot water

valve

Safety valve

Mixing valve

Cold water inlet

Cold 

water 

valve

Showerhead

(Fig. 2) 

For Installation 

Information Only

Before Usage

Attentions in Operation

1

 

To avoid causing machine troubles, do not connect power before tank is full of water.

2

 

Adjust a suitable temperature before use, for water temperature above 50

o

C may burn your skin.

3

  This product is closed water heater, which can supply hot water through pipe connection to 

several points like bathroom (bathtub, washbasin, showerhead) and kitchen.

4

 

Heating adjustment can be made flexibly all year round adapting to climate changes. After long-term out-
of-use, you can close city water pipe valve, screw one end of the drain hose onto the safety valve pressure 
relief vent, open safety valve handle, and adjust the mixing valve of water heater to the max. hot water po-
sition (at the same time, unscrew the nozzle hose from mixing valve and please be ware of the hot water 
burns) to drain the tank. To avoid injury, before next use, it is suggested to first open hot water valve be-
fore switching on the water heater. In this case, no smoke or fire is permitted near the open valve. Please 
carefully check and confirm all parts are in good condition, and the tank is full before use.

(Fig. 3)

(Fig. 4)

Connect to 

drain hose

(Fig. 5)

5

  Provided hot water quantity can meet use demand, temperature setting shall be possibly low. It can 

minimize heat dissipation, high-temperature corrosion and sedimentation, ensuring a longer service life.

6

  Regularly ask servicemen to make safety inspection, remove sediment on heating elements, 

and check consumption of anode bar. Too much consumed anode bar shall be replaced.

Before Usage

FAQ

Do not use damaged wire, socket 
or appliances with loose plug, 
otherwise accidents like electric 
shock, short circuit and fire may 
occur. Make sure power plug closely 
fits with power socket.

For first use after installation, the 
tank must be full of water before 
connecting the power. Otherwise, 
heating element overheat may cause 
troubles. Children taking shower 
must be attended by adults.

In winter in cold regions, for long-
term out-of-use, please lift the safety 
valve handle to empty the water, 
avoiding ice formation damaging the 
water heater.

Do not locate in freezing places. If 
ice forms, tank and pipes will break, 
causing scalding and leakage.

Do not install it as stand-alone.

Do not install it in places unable to 
drain water.

The water heater shall use a.c 220 V / 

50Hz power supply from a separate 

socket (no multi-purpose socket) and be 

reliably grounded. The power socket shall 

meet national standard requirements. 

Power plug pins shall be cleaned in time 

to avoid any contamination causing 

accidents like fire.

Power socket for water heater shall 

be located in a dry place free of water 

spray. Do not insert or pull the power 

plug with wet hands, for accidents like 

electric shock or injury may happen.

Damaged power cord must be replaced 
by after-service technicians with 
special cable (factory provided). Other 
persons shall not dismantle or repair. 

matters nearby the water heater.

Do not install it outdoors.

It shall be hung on firm and solid 
wall.

If a drain hose is connected, it shall 
be connected to sewage drain, 
avoiding spilling the room.

Before Usage

Setting Environment

The product adopts Haier "Safe Care" patented technology. In normal installation, even in severe 
case that ground wire is live due to wrong connection, the product "Safe Care" technology can 
filter and efficiently ensure your safety. However, whenever your feel a sensory current, please pull 
out the power plug and notify local after-service men in time. Do not dismantle by yourself.

The tubes and pipes fitted on the product are inseparable parts of the "Safe Care" technology, 
and shall not be removed by yourself. Otherwise, Haier shall not be liable for any damages or 
injuries caused due to resulted potential risks.

For the first use after installation, due to there's no water within the tank, first the city water 

continuously from the showerhead or other outlets (the tank is full). Check connections are 
free of water leakage, and insert the power plug.
Turn the knob to set your desired water heating temperature, which can be stepless changed 
between cold water inlet temperature and 75

o

C. In heating mode, heating lamp is lighted on. 

Normally the knob shall be positioned at highest temperature. This machine has a thermostat 
function, which automatically switches off the water heater when temperature reaches the 
setting value, and switch on again when water temperature decreases to certain value.

relief vent. This is due to too big water pressure. Please ask after-sales service for correction.

Phenomenon

Conf

 

irmation items

Remedy

No water

No water supply or water pressure too low Check

Hot water access close

Check and clear

Only cold water 
but pointer light 
when heat

Hot water access close

Check and open

Temperature not set to desired setting Adjust temperature of water

Heating time limit and setting 

temperature not obtain

Keep heating

Defective heater

Contact with service department 
when 

1

 

2

 

3

 are excluded.

Only cold water 
and pointer not 
light when heat

No power to heater

Check power

Uncontrollable thermostat

Contact with service department 
when 

1

 is excluded.

Heating pointer 
always light

Setting water temperature not obtain Keep heating

Uncontrollable thermostat

Contact with service department 
when 

1

 is excluded.

temperature of water

Unconstant water pressure

use with constant water pressure

 

icient hot 

water

Temperature set too low

Adjust setting water temperature

Excessive water pressure

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