ACV E-Tech S 160 Nota di rilascio

160 - 240 - 380

Installation, Operating and

Servicing Instructions

 664Y4600 • D

ENFRRU PL DE IT ES NL



664Y4600 • D

ENFRRU PL DE IT ES NL

PEOPLE WHO SHOULD READ THESE

These instructions should be read by:

- the specifying engineer

- the installing engineer

- the user

- servicing technicians

SYMBOLS

The following symbols are used in these instructions:

Essential to ensure that the system works properly.

Essential for personal safety and environmental

protection.

Danger of electrocution

Danger of burns.

WARNINGS

These instructions are an integral part of the equipment to which

they refer and the user must be provided with a copy.

The product must be installed and serviced by qualified engineers,

in compliance with current standards.

ACV cannot accept liability for any damage resulting from

incorrect installation or from the use of components or fittings

not specified by ACV

Any failure to follow instructions relating to tests and

test procedures may result in personal injury or risks of

pollution.

ACV reserves the right to change the technical

specifications and components of its products without

prior notice.

IntroductIonIndex

INTRODUCTION 2

People who should read these instructions 2

Symbols 2

Warnings 2

INSTALLATION 3

Boiler room 3

Central heating connection 3

Domestic hot water connection 5

Control wiring diagram : E-Tech S 160 5

Control wiring diagram : E-Tech S 240 6

Control wiring diagram : E-Tech S 380 7

Power wiring diagram : E-tech s 160 8

Power wiring diagram : E-tech s 240 9

Power wiring diagram : E-tech s 380 10

STARTING UP 11

Filling the heating and domestic hot water circuits 11

SERVICING 12

Recommendation 12

Servicing the safety devices 12

Emptying 12

Recommendation 12

DESCRIPTION 13

Overview 13

Description of operation 13

Build features 13

TECHNICAL SPECIFICATIONS 15

Dimensions 15

Maximum operating conditionsn 15

Domestic hot water performance 15

Boiler specifications 15

USER GUIDE 16

Using the boiler 16

Boiler room 17

Hydraulic diagram with circulator controlled by

a room thermostat.

Hydraulic diagram with motorised mixer valve

 664Y4600 • D

ENFRRU PL DE IT ES NL

BOILER ROOM

ACCESSIBILITY

The boiler room must be large enough to allow proper access to

the boiler. The following minimum distances around the boiler are

required

- at the front: 500 mm

- above: 300 mm

- on the central heating connection side: 150 mm

This boiler can be connected to the central heating circuit in any one

of three directions.

BASE

The boiler must be laid on a base made of non-combustible materials.

CENTRAL HEATING CONNECTION

The drain cock (9) and safety valve (2) must be connected to the

waste water disposal system.

The boiler is fitted with an expansion chamber with a

capacity of:

 

 

If the expansion volume is not sufficient for your needs

then it is possible to install an additional tank.

 

1. Motorised 3-way manual mixer valve

2. Safety valve preset to 3 bar with pressure gauge

3. Circulator

4. Non-return valve

5. Expansion tanks

6. Room thermostat

7. Control Unit controller (in option)

8. Central heating isolation valves

9. Discharge outlet

I n s ta ll at I o n

Hydraulic Connections

Connection without thermostatic mixing valve

Connection with thermostatic mixing valve



664Y4600 • D

ENFRRU PL DE IT ES NL

DOMESTIC HOT WATER CONNECTION

Pressure reducer

If the water mains pressure is greater than 6 bar, a pressure reducer

calibrated to 4.5 bar must be fitted.

Safety unit

The tank safety unit must be ACV approved and calibrated to 7 bar.

The valve discharge must be connected to the waste water disposal

system.

Domestic hot water expansion tank

Installing a domestic hot water expansion tank avoids any risk of

overpressure due to pressure surges and also makes sure that there

is a always water flowing through the safety unit when refilling the

domestic hot water tank.

Hot water circulation

If the tank is located a long way from the point of use, then installing

a closed recirculation circuit ensures that a faster supply of hot water

is always available.

2.2.3.5 Description

1. Safety unit

2. Pressure reducer

3. Thermostatic mixing valve

4. Hot water circulator

5. Non-return valve

6. Domestic hot water expansion tank

7. Inlet valve

8. Draw-off valve

9. Bleed valve

IMPORTANT

As a safety measure against burns, we strongly advise

installing a thermostatic mixing valve (recommended



This is available as an optional accessory

Safety unit Ø 3/4”

Pressure reducer Ø 3/4”

Thermostatic mixing valve Ø 3/4”

Expansion tank 5 liter

I n s ta ll at I o n

 664Y4600 • D

ENFRRU PL DE IT ES NL

10 11

6 9

17 18

14 1512 13

(78 - 53°C)

(85 - 60°C)

Br Br Bk

Bk Bk

YGG

Or Or B

WPk

BB B

BB B B

1.1. 1.2.

2.1. 2.2.

EGH

B. Blue

Bk. Black

Br. Brown

G. Grey

Or. Orange

Pk. Pink

R. Red

V. Violet

W. Withe

Y. Yellow

A ON/OFF switch

B Manually reset safety thermostat

C Water pressure switch

D Alarm indicator

E Limit thermostat 95°C

F Summer / Winter switch

G Control thermostat 60 - 85°C

H Power level switch 1

I Timer

J Power level switch 2

K1 Power Relay 1 - Level 1

K2 Power Relay 1 - Level 2

K3 Power Relay 2 - Level 1

L Room thermostat (optional)

M Loading pump

1-2: Life (230V ~ 50Hz)

3-4: Neutral

5-6: Time Clock (optional)

7-8: Safety switch

10-11: Stop Bridge

12-13: Room thermostat (optional)

14-15: Heating pump (optional)

17-18: Relay K3 disactivated

I n s ta ll at I o n

21 3 5 15 174 7 9 10 11 12 13 16 19 216 8 14 18 20 22

CONTROL WIRING DIAGRAM : ETECH S 160

The control circuit is automatically powered from the power circuit.

It is also protected by a 3A magneto-thermal circuit breaker.

CONNECTING THE ACCESSORIES

The electrical accessories are connected to the numbered terminals

on this diagram below.

IT IS IMPORTANT TO SWITCH THE BOILER OFF

BEFORE CARRYING OUT ANY WORK.



664Y4600 • D

ENFRRU PL DE IT ES NL

10 11

6 9

17 18

14 1512 13

19 20

(78 - 53°C)

(85 - 60°C)

Br Br Bk

Bk Bk

Y G G

Or Or B

WPk

B B B

B B B B

B B

1 C

1.1. 1.2.

2.1. 2.2.

EGH

I J

B. Blue

Bk. Black

Br. Brown

G. Grey

Or. Orange

Pk. Pink

R. Red

V. Violet

W. Withe

Y. Yellow

A ON/OFF switch

B Manually reset safety thermostat

C Water pressure switch

D Alarm indicator

E Limit thermostat 95°C

F Summer / Winter switch

G Control thermostat 60 - 85°C

H Power level switch 1

I Timer

J Power level switch 2

K1 Power Relay 1 - Level 1

K2 Power Relay 1 - Level 2

K3 Power Relay 2 - Level 1

K4 Power Relay 2 - Level 2

L Room thermostat (optional)

M Loading pump

1-2: Life (230V ~ 50Hz)

3-4: Neutral

5-6: Time Clock (optional)

7-8: Safety switch

10-11: Stop Bridge

12-13: Room thermostat (optional)

14-15: Heating pump (optional)

17-18: Relay K3 disactivated

19-20: Relay K4 disactivated

I n s ta ll at I o n

21 3 5 15 174 7 9 10 11 12 13 16 19 216 8 14 18 20 22

CONTROL WIRING DIAGRAM : ETECH S 240

The control circuit is automatically powered from the power circuit.

It is also protected by a 3A magneto-thermal circuit breaker.

CONNECTING THE ACCESSORIES

The electrical accessories are connected to the numbered terminals

on this diagram below.

IT IS IMPORTANT TO SWITCH THE BOILER OFF

BEFORE CARRYING OUT ANY WORK.

 664Y4600 • D

ENFRRU PL DE IT ES NL

B. Blue

Bk. Black

Br. Brown

G. Grey

Or. Orange

Pk. Pink

R. Red

V. Violet

W. Withe

Y. Yellow

A. Bipolar magneto-thermal circuit breaker

B. ON/OFF switch

C. Manually reset safety thermostat

D. Water pressure switch

E. General shutdown bridge

F. Neutral safety switch

G. Automatically reset 95° C cut-off thermostat

H. Minimum thermostat

I. Two-stage control thermostat

J. Power limitation switch

K. Shutdown bridges for the various stages

L. Power relays

M. Day / night signal

N. Booster pushbutton

O. Calibrator relay preset for a period of one hour

P. Reverse current relay

Q. Summer / winter selector switch

R. Room thermostat (optional)

S. Circulation pump

I n s ta ll at I o n

CONTROL WIRING DIAGRAM : ETECH S 380

The control circuit is automatically powered from the power circuit.

It is also protected by a 3A magneto-thermal circuit breaker.



The electrical accessories are connected to the numbered terminals

on this diagram below.

IT IS IMPORTANT TO SWITCH THE BOILER OFF

BEFORE CARRYING OUT ANY WORK.

Power supply for optional clock (230 Volt ac)

General shutdown bridge

Contact for day / night signal connection

Room thermostat connection

Load shedding for the 1st power stage

Load shedding for the 2nd power stage

Load shedding for the 3rd power stage

Load shedding for the 4th power stage

v ac

1.1.

1.2.

2.1.

2.2.

(85-60)°C)

Booster Li

On-Peak Li

(78-53°C)



664Y4600 • D

ENFRRU PL DE IT ES NL

POWER WIRING DIAGRAM : ETECH S 160

POWER CIRCUIT POWER SUPPLY

The power circuit must be connected using three phase

3 x 400 V + Neutral.

K1 K2 K3

3 x B

3 x Or

2 x Bk

1 x R

123456

E-Tech S 160 14,4 kW 12 kW 9,6 kW 7,2 kW

TRI

PHASE 1

17 18

I n s ta ll at I o n

B. Blue

Bk. Black

Or. Orange

R. Red

A Safety switch

K1 Level 1 - power relay 1

K2 Level 2 - power raelay 1

K3 Level 1 - power relay 2

        

fixed wiring and must be earthed.

          

person and in accordance with the current IEE Wiring

Regulations.

 664Y4600 • D

ENFRRU PL DE IT ES NL

POWER WIRING DIAGRAM : ETECH S 240

POWER CIRCUIT POWER SUPPLY

The power circuit must be connected using three phase

3 x 400 V + Neutral.

I n s ta ll at I o n

4 x B

4 x Or

3 x Bk

1 x Bk

3 x R

1 x R

12 34 5 6

K1 K2 K4

E-Tech S 240 28,8 kW 26,4 kW 24 kW 21,6 kW

TRI

PHASE 1

4 5

19 20

B. Blue

Bk. Black

Or. Orange

R. Red

A Safety switch

K1 Level 1 - power relay 1

K2 Level 2 - power raelay 1

K3 Level 1 - power relay 2

        

fixed wiring and must be earthed.

          

person and in accordance with the current IEE Wiring

Regulations.



664Y4600 • D

ENFRRU PL DE IT ES NL

I n s ta ll at I o n

POWER WIRING DIAGRAM : ETECH S 380

POWER CIRCUIT POWER SUPPLY

The power circuit must be connected using three phase

3 x 400 V + Neutral.

A Control circuit power supply

B Safety switch

C Power terminal block

K Power relays

4 x or

4 x nr

4 x rg

4 x bl

4 x or

4 x nr

4 x rg

4 x bl

bl. Blue

nr. Black

or. Orange

rg. Red

T. Green and yellow

        

fixed wiring and must be earthed.

          

person and in accordance with the current IEE Wiring

Regulations.

 

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