Bedienungsanleitung Cointra Thermex Stream (Seite 1 von 3) (Englisch)

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BEFORE USING THE WATER HEATER FOR THE

FIRST TIME, READ THIS USER`S MANUAL

THROUGHLY!

DEAR USER!

We congratulate you for purchasing of the instantaneous water heater

THERMEX STREAM».

Before choosing the concrete model of electric water heater, consult qualified

electrician about technical possibilities of connection the electric water heater to

your electric grid.

This manual covers the following models: THERMEX 350

STREAM,

THERMEX 500 STREAM and THERMEX 700

STREAM.

The full name of the water heater could be found in the section

«Manufacturer's warranty» and in the identification table on the water heater

housing.

1. DESCRIPTION

Instantaneous electric water heater

THERMEX STREAM (EWH) is

determined for hot water production for everyday necessities. EWH should be

exploited in the area with room temperature maintained.

2. MAIN TECHNICAL CHARACTERISTICS

350

STREAM

500

STREAM

700

STREAM

Voltage, V 220 ± 10%

Frequency, Hz 50 ± 1%

Power, kW 3.5 5.0 7.0

Power modes , kW 3.5 2.0 + 3.0 3.5 + 3.5

Casing Splash proof

Power cord with plug Yes No No

Weight, kg, not more 2 2 2

Working pressure

Minimum water pressure, MPa 0.05

Maximum water pressure, MPa 0.6

3. DELIVERY SET

1. Instantaneous water heater – 1 piece.

2. User`s manual – 1 piece.

3. According to concrete delivery, delivery set includes:

- kitchen set (spout, insulating plates);

- or shower set (shower head, shower head bracket, hose, insulating plates);

- or combined set (spout, adapter, shower head, shower head bracket, hose,

insulating plates) – 1 piece.

4. Packing – 1 piece.

4. DESCRIPTION AND OPERATING PRINCIPLE

Water is heated immediately, when flowing through the copper cylinder. All

heating elements are placed inside the copper cylinder (Figure 4).

Figure 4: 1- cold water inlet; 2 - hot water outlet; 3 – fixation holes; 4 – heat

protector; 5 - copper cylinder with heating elements; 6 - connecting block;7 -

pressure-sensing device; 8 - cable clamp; 9 - switch.

The temperature adjustment in the outlet is performed by the regulation of its

flow.

On the diagram (Figure 3) the dependence between the temperature

difference in the inlet and outlet and the volume of water flow is shown.

The cold tap water temperature may alternate significantly within the year

from 5°C to 20°C. It means that at the same EWH outlet water temperature in

winter will be less than in summer. For the optimal flow, there are two shower

spraying modes. One mode is designed for using EWH in winter, another – in

summer.

After the water was supplied to EWH and the minimum allowable pressure

(0.05MPa) was set, pressure sensor will automatically switch on thermoelectric

heating elements, which will be indicated by the light of the power-on button. If

the water pressure in the inlet becomes lower than minimally allowable, pressure

sensor will automatically switch off the heating elements, the lights will go out,

the heating will stop.

Another security device is the heat protector, installed on the copper cylinder.

It disconnects EWH from the power grid in case of the water overheat (which is

not considered as the defect). After water cooling EWH will be automatically

switched on.

Figure 3

5. SAFETY RULES

Power cords, safety valves and switching systems must correspond to the

capacity of the EWH.

Children should not be allowed to play with EWH. The EWH Is not

designed to be operated by people (including children) with physical, tactile

or mental disorders, as well as people who cannot use the EWH, unless it is

made under control and according to the Instructions of people responsible

for the EWH security.

GROUND CONNECTION OF THE WATER HEATER IS

NECESSARY!!

DO NOT:

- leave the plugged in EWH unattended;

- switch EWH, before installing it on the wall vertically and filling it with

water;

- plug the appliance In and out with wet hands;

- use the spare parts, which were not recommended by the water heater

manufacturer;

- use water with impurities : sand, corrosion, sludge;

- close the EWH hot water discharge and connect to it to any kinds of

isolation valves;

- switch EWH with the frozen water inside.

6. INSTALLATION AND OPERATION RULES

Installation works must be performed by qualified specialists.

During installation the following sequence of actions is recommended:

а) Wall mounting of the water heater;

b) Connection to the water mainline;

c) Connection to the electric grid.

6.1. Wall Mounting

The EWH is installed on the wall vertically according to the shower nozzle or

drain length as well as the attaching point of the shower nozzle supporting arm.

Possible variants of the EWH Installation are given In Figure 1.

During installation the EWH must be installed in such a way that the water

spray doesn’t ingress its housing.

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