ACV E-Tech W 09 Manuale di istruzioni

E-Tech W

Wall mounted electric sealed

system boiler. An economical

alternative to LPG and Oil.

High efficiency electric boilers

Available up to 15 kW for single phase supply and,

where available, three phase options up to 36 kW.

The E-Tech W is user and installer-friendly with

simplified maintenance. The control panel can be

rotated to facilitate access to the water connections.

The unit is of a steel body with removable stainless

steel incoloy elements to increase the reliability and the

service life of your installation.

Benefits and Features

• No flue

• Reduced maintenance (no landlord certification)

• Modulating element input

• Can be used in modular formation

• Compatible with Honeywell S-plan and Y-plan wiring

systems

• Built-in control circuit protected by internal 3 amp

MCB

• Removable stainless steel incoloy immersion

elements

• Stove enamelled casing

• Control panel including thermostats, combined

temperature and pressure gauge and on/off switch

• Wall mounting bracket included

• Simple connection to heating systems

• Compatible with wet radiator or underfloor heating

installations

• Ease of installation - the boiler allows direct

connection to a heating system without the need

for a feed and expansion tank

Easy connection to underfloor heating

In contrast with electric underfloor heating, hydraulic

circuits are compatible with multiple-energy systems

(electricity, gas, fuel-oil, heat pump, solar, etc).

This allows the user to adapt to changes in the

market and to opt for alternative sources of energy

as the need arises.

See the ACV multi-energy tanks on page 8.

High efficiency electric boilers 37

Technical Data

E-Tech W 09 E-Tech W 15 E-Tech W 22 E-Tech W 28 28 E-Tech W 36

Single Phase Single Phase Tri-Phase Tri-Phase Tri-Phase

Output kW 4.2 to 8.4 7.2 to 14.4 14.4 to 21.6 21.6 to 28.8 30 to 36

Supply V 230 230 3 x 400 + N 3 x 400 + N 3 x 400 + N

Total capacity Ltrs 13 13 13 13 13

Expansion volume Ltrs 10 10 10 10 10

Heating connections Ø 3/4"3/4"3/4"3/4"3/4"

Weight empty kg 45 45 45 45 45

Primary pressure drop mbar 10 20 45 85 125

Max. operating temp. °C 85 85 85 85 85

Heating element type 2 x 1.4kW 2 x 2.4kW 2 x 2.4kW 2 x 2.4kW 2 x 3kW

Number of elements 33566

Maximum operating pressure Primary: 3 bar

Characteristics

Dimensions

Output

modulation

(example):

E-Tech W 15

7.2 or 14.4 kW

E-Tech W 22

14.4 or 21.6 kW

Temperature (°C)

Output (kW)

Output modulation

The output of the E-Tech W automatically adjusts

to heating demand thanks to the use of a two-

stage thermostat:

• The upper thermostat can be adjusted and

controls the first stage of output.

• The lower thermostat is automatically

regulated 7°C below the setpoint of the upper

thermostat. It controls the second stage of

output.

Characteristics

1. Expansion vessel

2. Casing

3. Primary flow

4. Expansion tank connection

5. Manual reset limit thermostat

6. Pressure switch (low water level)

7. DHW kit connection (optional)

8. Safety valve

9. Primary return

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