3. DELIVERY SET
1. Electric water heater with PCD (optionally) - 1 pc.
2. Safety valve, GP type - 1 pc.
3. Operation Manual - 1 pc.
4. Securing anchor - 2 pcs per holding plate.
5. Packing -1 pc.
6. Remote control panel (optionally) -1 pc.
4. EWH DESCRIPTION AND OPERATNG PRINCIPLE
4.1. The EWH outer case, depending on the model, is made of various high-quality materials
such as impact-resistant plastic, low-carbon or special bright-finished stainless steel. The inner
tank is made of stainless steel containing titanium to provide good corrosion resistance and, as a
result, long-term operation. The space between the outer case and the inner tank is filled with
polyurethane foam - a modern, environmentally safe insulation having the improved heat
preservation characteristics. Models RZL, IS-V, IR-V, IQ-V, IS-U, IR-U, IQ-U have two
threaded branch pipes: for a cold water inlet (with a blue ring) and a hot water outlet (with a red
ring), and models IS-H, IR-H, IQ-H, IF-V, IF-H, IF-U, ID-V, ID-H, ID-U are equipped with an
additional drainage branch pipe (with a red ring, closed with a metal plug) to wash out water and
rinse the inner tank.
The EWH has on its face a thermometer (model IS-V, IS-H and IS-U 30-50, IR-V, IR -Н
and IR-U 80-150). Location of the control panel depends on EWH model and type: RZL, IR -5,
10, 15 litres - below, ID-V, ID-H, ID-U, IF-V, IF-H, IF-U, IQ-V, IQ-H, IQ-U, IS-V, IS-H, IS-U,
IR-V, IR-H, IR-U – on the face side.
4.2. Mounted on the removable flange are: a tubular electric heater (TEHE) and sensors of
thermostat and thermoswitch. The TEHE serves to heat water and is controlled by a thermostat,
which provides continuous adjustment of temperature up to +75°C. Thermostat automatically
maintains a water temperature at the level set by the user. Temperature control knob is located on
the mechanical control panel. Models with electronic controls have a touch control (Fig. 5).
The thermoswitch serves for protection of the EWH against overheating and disconnects the
TEHE from the mains when a water temperature exceeds +95°C (Fig.4).
Model IR (5-15 litres) contains a pilot lamp to indicate the heater’s heating mode. The
thermoswitch in model IR (5-15 litres) is under the top cover.
In models for 30-150 litres, the EWH operating mode is indicated by illumination lamps
of power selection keys: these lamps are illuminated when water is heated and go out when the
temperature of hot water preset on the thermostat is reached. In models with electronic control
by version 1, indication is effected by control lamp LI (Fig. 5) – it comes on when a preset
temperature is reached. In models with electronic control by version 2, indication is effected by a
heat indicator (Fig. 6) where the moving luminous points display the heating and are constantly
illuminated when a preset temperature is reached.
