www.timberk.com • electrical storage water heater

www.timberk.com • electrical storage water heater

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Control panel

1. Thermostat handle

Please, use this handle to set the desired temperature of water.  Turning the 

knob in a clockwise direction you increase temperature of water.

2. Switcher of power modes

«      » - means OFF position. Turning the knob in a clockwise direction you 

increase power from 800W up to 2000W

3. Indicators lighting

If light are blue it means the water heater works, but a water is not heating 

inside. If lights are pink/red it means the heating element heats a water 

inside tank.

Water heater operation

1. Switching on

1.1 At first, open one of the hot water outlet valves, then open the cold 

water supply valve. The electric water heater will start filling with water. 

When water flows from the hot tap freely, it means the water heater is fully 

filled with water and you can close the hot water outlet valve.

8. WATER HEATER CONTROL

Connection to electric main

IMPORTANT! 

Prior to connecting the tank water heater, make sure 

that the water heater is properly grounded. Proper 

grounding is important to minimize electric shocks 

and risk of fire. The power cord is equipped with a plug 

with a grounding pin. The appliance must be used 

with a properly grounded power outlet. If the outlet, 

you are intending to use, is not properly grounded or 

grounded by a time-delay fuse or a circuit breaker, 

contact a qualified electrician to install a proper outlet.

IMPORTANT! 

To provide reliable operation and safe use of the 

water heater, prior to the first run check if it is properly 

connected to the 230V AC mains. The water heater to 

be connected must be securely linked with the earth 

circuit of your electric mains. If the water heater is 

not grounded, then in case of a short circuit GFCI, 

supplied with the heater, may not operate. It is 

dangerous.

IMPORTANT! 

Wall outlet should be rated on voltage not lower than 

10А, electric main cabel with cooper section not 

lesser then 3х1,5 mm

2

 (for cooper).

Electric  plug of  the device corresponds one block 

with GFCI.

1. The water heater is designed to be connected to 230V single-phase 

electric main. Prior to connecting make sure that parameters of the electric 

main in the place of connection correspond to parameters, specified on the 

identification plate with technical parameters of the appliance. You should 

follow the current electrical safety code when installing the water heater.
2. The power outlet must be properly grounded. The outlet must be 

designed for rated current not less than 10A. The power outlet and plug 

must always be dry to prevent current leakage. Regularly check if the 

power plug is tightly connected to the outlet. Do it in the following order: 

insert the power plug into the outlet, switch off the water heater after half-

hour operation and unplug the cord, check if the plug is heated by your 

hand. If the plug is heated over 50°C, then to prevent damages, accidents 

and fire as a result of bad electrical contact, replace the outlet with a new 

one. A specialist must do this.
3. Power cord of the appliance is a single unit with GFCI (Ground Fault 

Circuit Interrupter).

GFCI (Ground Fault Circuit Interrupter) (Fig. 9)

1. Connect the cable to the mains, indicator (1) will light up.

2. Press button (2) for testing, voltage will be cut off, indicator (1) will light 

down and restart button (3) will go upwards.

3. Press button (3) to restart the appliance, voltage will be restored and 

indicator (1) will light up.

Electric socket should be no lower, than 10A, power card with copper inner 

part, cross-section of copper should be not less, than 3x1,5 mm

2

. 

Electric plug has combined with GFCI.

NOTE:

- if pressing test button (2) voltage is not cut off and/or 

indicator (1) continues to be lighted, it means that GFCI 

safety device is not operating properly.
- if pressing restart button (3) voltage is not restored 

and/or indicator (1) doesn’t light up, it means that the 

water heater is not operating properly. In both cases 

disconnect the water heater and call the service center.
- to reduce the risk of an electric shock, do not 

disassemble, remove or fill liquid in this appliance.

NOTE:

When setting temperature, having reached the 

optimal heating position “        ” (+58°С (+/- 2°С), you 

will hear a sound signal (for some models).

Fig. 9

IMPORTANT! 

If water in the installation location contains a large 

amount of calcium, manganese or iron salts, then 

IT IS NECESSARY to mount a respective filter in 

the delivery system to reduce the amount of scale 

generated in the tank and on the heating element.

Fig. 10

1.2 Plug the power cord into the outlet, at that an indicator light on GFCI 

and temperature controller handle lighting will light up and time will be 

shown on the display.

2. Water heating temperature setting

2.1. Temperature can be set within the range 35°С-75°С, in increments 

of 1°С.

NOTE:

During normal operation the cold water supply valve 

must be set “open”.

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2.2 The water heater automatically maintains water temperature. When 

water temperature in the water heater reaches the temperature, set by the 

user, the heating is automatically switched off.  When water temperature 

in the water heater drops to a certain level, the heating is automatically 

switched off.