Bosch Acu Tank AT 200 Technisches Datenblatt

ENG - Instruction for use and maintenance

BG - Упътванезаинсталиране

EL - Οδηγίεςεγκατάστασης

HR, BiH - Uputstvo za instaliranje

HU - Használati és karbantartási útmutató

RO - Instrucțiunideoperareșimentenanță

SI - Navodilazamontažoinuporabo

SRB, MNE - Uputstvo za instaliranje

Low capacity bu󰀨ers / Бойлери с ниско налягане /

Δοχεια αδρανειας συστημάτων κεντρικής θέρμανσης / Niskotlačni međuspremnici /

Alacsony kapacitású pu󰀨ertartályok / Acumulatoare de capacitate mică /

Nizkotlačni vsebniki / Bojleri pod niskim pritiskom

Acu Tank AT 200/300/400/500/800/1000/1500/2000

Acu Tank AT UNO 400/500/800/1000/1500/2000

Acu Tank AT DUO 400/500/800/1000/1500/2000

SAP No:104994-v1

2 |

We hope that your new appliance will bring more comfort to your home.

The instruction manual and the technical description are prepared in order to acquaint you

with the product and its proper installation and usage. These instructions are also intended

for use by qualied technicians, who shall perform the initial installation or disassembly and

repairs in the event of a breakdown.

The observance of the instructions contained herein is in the interest of the buyer and repre-

sents one of the warranty conditions, outlined in the warranty card.

• This manual is an integral part of the appliance. It must be kept with care and must follow

the appliance if the latter is transferred to another owner or user and/or to another instal-

lation.

• Read the instructions and tips very carefully. They will help you ensure the safe installa-

tion, use and maintenance of your appliance.

• The installation is at the buyer’s expense and must be carried out by a professional tech-

nical person from the sector in accordance with the instructions in the manual.

Contents

I. Intended use.......................................................... 4

II. Description and technical data ........................................... 4

III. Bu󰀨ers for central heating: 200-2000 ...................................... 5

IV. Bu󰀨ers for central heating 200-2000 ...................................... 7

V. Mounting and connection .............................................. 10

VI. Operating mode ..................................................... 12

VII. Important rules ..................................................... 12

VIII. Periodic maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4 | Low capacity bu󰀨ers EN

I. Intended use

The appliance is intended to supply hot wa-

ter to households equipped with a piping

system working at a pressure below 3 bar.

The appliance is intended for work in closed,

heated premises and it is not intended to

work in a constant ow through regime.

II. Description and technical

data

Depending on the model of water heater,

it can have none, one or two built-in heat

exchangers.

T - for temperature indicator (the indicator is

included in the appliance kit) TS1, TS2, TS3

- for mounting temperature sensors for the

tank water that help regulate the ow of the

coolant through the heat exchangers.

Data plate

The data plate is located at the top of the

rear of the DHW cylinder and includes the

following details:

Pos. Description

1 Model designation

2Serial number

3 Actual content

4 Standby heat loss

5 Volume heated by immersion heater

6 Year of manufacture

7 Corrosion protection

8 Max. DHW cylinder temperature

9Max. ow temperature, heat source

10 Max. ow temperature, solar

11 Connected electrical load

12 Heating water heat input

13 Heating water throughput for heating water heat

input

14 With 40 °C drawable volume, heated electrically

15 Max. operating pressure, DHW side

16 Highest design pressure

17 Max. operating pressure, heat source side

18 Max. operating pressure, solar side

19 Max. operating pressure, DHW side, CH

20 Max. test pressure, DHW side, CH

21 Max. DHW temperature with electric heating

EN Low capacity bu󰀨ers | 5

III. Bu󰀨ers for central heating: 200-2000

Technical data

AT 200

/ 3 bar AT 300

/ 3 bar AT 400

/ 3 bar AT 400 / 3

bar UNO AT 400 / 3

bar DUO AT 500 /

3 bar AT 500 / 3

bar UNO AT 500 / 3

bar DUO

Total capacity l200 300 400 400 400 500 500 497

Actual capacity l202 294 406 394 388 497 480 472

Net weight kg 43 55 69 88 98 83 104 123

Insulation “Soft” PU mm 50 50 50 50 50 50 50 50

Maximum operational

temperature T°C 95 95 95 95 95 95 95 95

Max. working tem-

perature of coil heat

exchanger

°C 110 110 110 110 110 110 110 110

Nominal pressure of

water tank bar 3 3 3 3 3 3 3 3

Max. pressure of coil

heat exchanger bar 6 6 6 6 6 6 6 6

Heat exchanger

surface S1 m2- - - 1.65 1.65 - 2.25 2.25

Heat exchanger

surface S2 m2- - - - 0.76 - - 1.04

Heat exchanger

content S1 l - - - 10 10 - 13.7 13.7

Heat exchanger

content S2 l - - - - 4.6 - - 6.4

Heat loss (∆T45K) kW/24h 1.4 1.7 2.2 2.2 2.2 2.3 2.3 2.3

Thermopockets amount 4 4 4 5 6 4 5 6

[mm] AT 200

/ 3 bar AT 300

/ 3 bar AT 400

/ 3 bar UNO AT 400

/ 3 bar DUO AT 500

/ 3 bar AT 500

/ 3 bar UNO AT 500

/ 3 bar DUO

A50 52 75 75 75 75 75 75

B199 202 218 218 218 212 212 212

C464 537 534 534 534 624 624 624

D729 872 850 850 850 1036 1036 1036

E994 1207 1166 1166 1166 1448 1448 1448

F1200 1422 ------

G- - 1407 1407 1407 1677 1677 1677

M---308 308 -288 288

N- - - - 864 - - 1046

H- - - 465 465 - 718 718

I- - - 781 781 - 933 933

J- - - - 1002 - - 1218

K- - - - 1079 - - 1347

R1 1345 1565 1596 1596 1596 1840 1840 1840

ØD 500 550 650 650 650 650 650 650

ØC 600 650 750 750 750 750 750 750

6 | Low capacity bu󰀨ers EN

AT 800

/ 3 bar AT 800

/ 3 bar UNO AT 800

/ 3 bar DUO AT 1000

/ 3 bar AT 1000

/ 3 bar UNO AT 1000

/ 3 bar DUO

Total capacity l800 800 800 1000 981 974

Actual capacity l805 776 766 967 932 925

Net Weight kg 124 169 191 139 190 206

Insulation “Soft” PU mm 100 100 100 100 100 100

Maximum operational

temperature T°C 95 95 95 95 95 95

Max. working temperature

of Coil heat exchanger °C 110 110 110 110 110 110

Nominal pressure of water

tank bar 3 3 3 3 3 3

Max. pressure of coil heat

exchanger bar 6 6 6 6 6 6

Heat exchanger surface S1 m2-2.89 2.89 - 3.45 3.45

Heat exchanger surface S2 m2- - 1.54 - - 1.31

Heat exchanger content (S1) l - 26.2 26.2 - 31.3 31.3

Heat exchanger content (S2) l - - 9.4 - - 7.9

Heat loss (∆T45K) kW/24h 4.1 4.1 4.1 5.5 5.5 5.5

Thermopockets amount 4 5 6 4 5 6

AT 1500

/ 3 bar AT 1500

/ 3 bar UNO AT 1500

/ 3 bar DUO AT 2000

/ 3 bar AT 2000

/ 3 bar UNO AT 2000

/ 3 bar DUO

Total capacity l1500 1500 1489 2000 1951 1918

Actual capacity l 1476 1439 1415 1904 1853 1822

Net Weight kg 285 339 376 356 430 476

Insulation “Soft” PU mm 100 100 100 100 100 100

Maximum operational

temperature T°C 95 95 95 95 95 95

Max. working temperature

of Coil heat exchanger °C 110 110 110 110 110 110

Nominal pressure of water

tank bar 3 3 3 3 3 3

Max. pressure of coil heat

exchanger bar 6 6 6 6 6 6

Heat exchanger surface S1 m2- 3.47 3.47 - 4.5 4.5

Heat exchanger surface S2 m2- - 2.3 - - 2.7

Heat exchanger content (S1) l - 30.4 30.4 - 41.6 41.6

Heat exchanger content (S2) l - - 20.5 - - 25.2

Heat loss (∆T45K) kW/24h 6.5 6.5 6.5 8.3 8.3 8.3

Thermopockets amount 4 5 6 4 5 6

[mm] AT 800

/ 3 bar AT 800

/ 3 bar

UNO

AT 800

/ 3 bar

DUO

1000 /

3 bar

1000 /

3 bar

UNO

1000 /

3 bar

DUO

1500 /

3 bar

1500 /

3 bar

UNO

1500 /

3 bar

DUO

2000 /

3 bar

2000 /

3 bar

UNO

2000 /

3 bar

DUO

A------------

B360 360 360 360 360 360 431 431 431 446 446 446

C740 740 740 832 832 832 864 864 864 929 929 929

D1120 1120 1120 1303 1303 1303 1297 1297 1297 1413 1413 1413

E1500 1500 1500 1774 1774 1774 1730 1730 1730 1896 1896 1896

G1937 1937 1937 2132 2132 2132 2219 2219 2219 2418 2418 2418

M-360 360 -360 360 - 431 431 - 446 446

N- - 1120 - - 1303 - - 1297 - - 1413

H-580 580 -580 580 - 651 651 - 646 646

I-1020 1020 - 1186 1186 - 1091 1091 -1271 1271

J- - 1387 - - 1501 - - 1465 - - 1565

K- - 1508 - - 1746 - - 1737 - - 1904

R1960 1960 1960 2155 2155 2155 2265 2265 2265 2481 2481 2481

ØD 790 790 790 790 790 790 1000 1000 1000 1300 1100 1100

ØC 990 990 990 990 990 990 1200 1200 1200 1300 1300 1300

EN Low capacity bu󰀨ers | 7

IV. Bu󰀨ers for central heating 200-2000

Dimensions

AT 400 - 2000

8 | Low capacity bu󰀨ers EN

IS1 - Inlet of the heat exchanger 1

IS2 - inlet of the heat exchanger 2

OS1 - outlet of the heat exchanger HE1

OS2 outlet of the heat exchanger HE2

TSS1 - thermopocket of the heat exchang-

er HE 1

TSS2 - thermopocket of the heat exchang-

er HE 2

AV - air ventilation

D - drainage

L1 - level 1

L2 - level 2

L3 - level 3

L4 - level 4

TS1 - thermopocket 1

TS2 - thermopocket 2

TS3 - thermopocket 3

TS4 - thermopocket 4

AT UNO 400 – 2000 AT DUO 400 - 2000

EN Low capacity bu󰀨ers | 9

AT 200

/ 3 bar AT 300

/ 3 bar AT 400

/ 3 bar AT 400 / 3

bar UNO AT 400 / 3

bar DUO AT 500 / 3

bar AT 500 / 3

bar UNO AT 500 / 3

bar DUO

L1 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

L2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

L3 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

L4 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

TS1 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TS2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TS3 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TS4 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TSS1 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TSS2 G 1/2 G 1/2 G 1/2 -G 1/2 G 1/2 -G 1/2

IS1 - - - G 1 G 1 - G 1 G 1

OS1 - - - G 1 G 1 - G 1 G 1

IS2 - - - - G 1 - - G 1

OS1 - - - - G 1 - - G 1

AV G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

DG 3/4B G 3/4B G 3/4B G 3/4B G 3/4B G 3/4B G 3/4B G 3/4B

AT 800

/ 3 bar AT 800

/ 3 bar UNO AT 800

/ 3 bar DUO AT 1000

/ 3 bar AT 1000

/ 3 bar UNO AT 1000

/ 3 bar DUO

L1 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

L2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

L3 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

L4 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

TS1 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TS2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TS3 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TS4 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TSS1 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TSS2 G 1/2 -G 1/2 G 1/2 -G 1/2

IS1 -G 1 1/2B G 1 1/2B -G 1 1/2B G 1 1/2B

OS1 -G 1 1/2B G 1 1/2B -G 1 1/2B G 1 1/2B

IS2 - - G 1B - - G 1B

OS1 - - G 1B - - G 1B

AV G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2 G 1 1/2

AT 1500 / 3 bar AT 1500

/ 3 bar UNO AT 1500

/ 3 bar DUO AT 2000

/ 3 bar AT 2000

/ 3 bar UNO AT 2000

/ 3 bar DUO

L1 AG 2 AG 2 AG 2 AG 2 AG 2 AG 2

L2 AG 2 AG 2 AG 2 AG 2 AG 2 AG 2

L3 AG 2 AG 2 AG 2 AG 2 AG 2 AG 2

L4 AG 2 AG 2 AG 2 AG 2 AG 2 AG 2

TS1 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TS2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TS3 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TS4 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TSS1 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2 G 1/2

TSS2 G 1/2 -G 1/2 G 1/2 -G 1/2

IS1 -G 1 1/2B G 1 1/2B -G 1 1/2B G 1 1/2B

OS1 -G 1 1/2B G 1 1/2B -G 1 1/2B G 1 1/2B

IS2 - - G 1 1/2B - - G 1 1/2B

OS1 - - G 1 1/2B - - G 1 1/2B

AV G 1 1/2B G 1 1/2B G 1 1/2B G 1 1/2B G 1 1/2B G 1 1/2B

10 | Low capacity bu󰀨ers EN

This should be done at room temperature

above 18°C. The insulation should be stored

at the above temperature for at least one

hour before operating!

After mounting according Fig. 8, ensure that

the zipper is well closed and put the deco-

rative rubber rings on the inlet and outlets!

Place the plastic upper lid on the appliance.

2. Mounting the “soft” pu insulation.

Slika 4 Slika 5

ATTENTION! Qualied technicians

must perform all technical and elec-

trical assembly works.

1. Installation

Bu󰀨ers are delivered on an individual trans-

port pallet for easier transport. If high capac-

ity water heaters are used in premises with

low humidity and a at oor, you can leave

the pallet as it is mounted on the appliance.

- Otherwise – please follow the steps be-

low (g. 4):

- Put the water heater in a horizontal posi-

tion but before that, place a rug under-

neath it to prevent any damage. Unscrew

the three bolts that hold the pallet on the

bu󰀨er.

Mount the adjustable feet directly on the ap-

pliance* - Put the high capacity water heater

(HCWH) in a vertical position and adjust the

level using the feet.

- If the adjustment feet are delivered as

separate parts, you can assemble them

as follows (g. 5):

- Put part 1 on bolt 2, which is unscrewed

from the pallet

- Put on washer 3, which is removed from

the pallet

- Screw on the nuts 4

ATTENTION! In order to prevent in-

jury to the user and/or third persons

in the event of faults in the system

for providing hot water, the appli-

ance must be mounted in premises

outtted with oor hydro insulation

(or) plumbing drainage.

V. Mounting and connection

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