ACV HRs 321 Manuel

661Y1200 • C

INSTALLATION, OPERATION AND

MAINTENANCE INSTRUCTIONS

HRs 321 - 601 - 800 - 1000

JUMBO 800 - 1000

HRs / Jumbo : 661Y1200 • C

TABLE OF CONTENTS

GENERAL RECOMMENDATIONS..............................................................4

USER'S GUIDE.............................................................................................5

Thermostat .................................................................................................................................................................. 5

APPLIANCE DESCRIPTION........................................................................6

Models - Types HRs 321 – 601 -800 - 1000 / JUMBO 800 - 1000................................................................ 6

TECHNICAL CHARACTERISTICS..............................................................8

Dimensions.................................................................................................................................................................. 8

Electrical Characteristics (Option for HRs 321 - 601 - 800 - 1000).................................11

Hydraulic Characteristics................................................................................................................................11

Performance .............................................................................................................................................................12

Maximum Operating Conditions.............................................................................................................12

INSTALLATION ........................................................................................13

Packing Contents..................................................................................................................................................13

Tools ................................................................................................................................................................................13

Safety Instructions...............................................................................................................................................14

Preparation of the Tank (HRS type with soft casing)...............................................................16

Preparation of the Tank (Jumbo type with metal casing)...................................................18

Connection................................................................................................................................................................20

Parallel Tank Assembly (Typical - 3 tanks)........................................................................................22

Connection Kits (option) ................................................................................................................................22

HRs / Jumbo : 661Y1200 • C

TABLE OF CONTENTS

STARTING UP ...........................................................................................23

Safety Instructions to Fill the Tank.........................................................................................................23

Filling ..............................................................................................................................................................................24

Checks before Starting up ............................................................................................................................26

MAINTENANCE........................................................................................27

Periodic Checks by the User........................................................................................................................27

Annual Maintenance..........................................................................................................................................27

Draining........................................................................................................................................................................28

Bringing back into Service after Maintenance.............................................................................28

NOTES

• This manual contains important information with respect to the installation, the starting up

and the maintenance of the hot water tank.

• This manual must be provided to the user, who will read it carefully and keep it in a safe

place.

• The availability of certain models as well as their accessories may vary according to the markets.

• The manufacturer reserves the right to change the technical characteristics and features of

its products without prior notice.

We accept no liability should any damage result from the failure to comply with theinstruc-

tions contained in this technical manual.

Essential instructions forthe safety of persons and the environment

• It is strictly prohibited to bring any modification to the appliance, without

themanufacturer’s prior written approval.

• The appliance must be installed by a qualified installer, in accordance with

applicable regulations.

• The installation must comply with the instructions contained in this manual and

with the regulations applicable to installations.

• Failure to follow the instructions in this manual could result in personal injury or a

risk of environmental pollution.

• The manufacturer declines all liability for any damage caused as a result of

incorrect installation or in the event of the use of appliances or accessories that are

not approved by the manufacturer.

Essential instructions forthecorrect operation oftheinstallation

• In order to ensure that the appliance operates correctly, it is essential to have it

serviced by a certified installer or maintenance contractor every year.

• In case of problem, please contact your installer for advice.

• Faulty parts must only be replaced with genuine parts.

• Our domestic hot water tanks are designed and manufactured exclusively for the

heating and storage of domestic hotwater.

• The domestic hot water heaters must only be heated using hot water in a closed

circuit.

• The part number (N° Art.) and serial number (N° Ser.) of the tank are indicated on

its rating plate and must be provided to ACV in case of warranty claim. Failure to

do so will make the claim void.

HRs / Jumbo : 661Y1200 • C

GENERAL RECOMMENDATIONS

HRs / Jumbo : 661Y1200 • C

Legend :

1. Thermometer : indicates the domestic hot water (DHW) temperature in the tank.

2. Adjusting knob : allows to dene the DHW preset temperature. It rotates 1/4 turn clockwise to

set the temperature between 60°C and 90°C.

USER'S GUIDE

THERMOSTAT

The thermostat is optional for the HRs type tanks equipped with a soft casing, but is standard for

the JUMBO type tanks with a metal casing.

Wiring Diagram ( Jumbo 800 - 1000)

B. Blue

Br. Brown

Bk. Black

Or. Orange

Y/Gr. Yellow / Green

Y/Gr

OrOr

Y/Gr

N L1

L1 N

HRs / Jumbo : 661Y1200 • C

Legend

1. DHW outlet

2. Manual air bleed valve

3. Cold water inlet

4. Black rigid polypropylene cover

5. Stainless steel dry-well

6. 70 mm soft insulation (open-cell

polyurethane foam)

7. Outer vinyl casing with zip fastener

8. Auxiliary DHW loop

9. Primary circuit inlet

10. Inner stainless steel tank

11. Outer steel (primary) tank

12. Primary circuit outlet

APPLIANCE DESCRIPTION

MODELS  Types HRs 321 – 601 -800 - 1000 / JUMBO 800 - 1000

Indirectly heated storage water tanks, to be installed on the oor, equipped with a large surface

heat exchanger and intended for medium and high power installations. Through the use of a

specic kit, these tanks can be set in parallel, allowing the construction of high ow rate assemblies

for any type of commercial, residential or industrial facilities.

HRs 321 - 601

HRs / Jumbo : 661Y1200 • C

APPLIANCE DESCRIPTION

HRs/JUMBO 800 - 1000

Legend

1. DHW outlet

2. Auxiliary DHW loop

3. Cold water inlet

4. Primary circuit inlet

5. Inner stainless steel tank

6. Primary circuit outlet

7. Hand hole

8. Stainless steel dry-well

9. Manual bleed valve

10. Outer (primary) steel tank

Jumbo 800 - 1000 with metal casing

11. Thermometer

12. Adjusting knob

13. 120 mm rock wool insulation

(not shown)

14. Metal casing

Tanks shown without insulation

HRs / Jumbo : 661Y1200 • C

TECHNICAL CHARACTERISTICS

DIMENSIONS

Tank dimensions (soft casing) HRs

321 601 800 1000

A= Height mm 1600 1895 1955 2355

B= Ø mm — — 780 780

Cmm 255 255 335 335

Dmm 1285 1585 1585 1985

E= Ø mm 270 270 360 360

F= Ø mm 700 845 920 920

Empty weight Kg 106 201 261 308

HRs 321 - 601 HRs 800 - 1000

HRs / Jumbo : 661Y1200 • C

TECHNICAL CHARACTERISTICS

Tank clearance HRs

321 601 800 1000

D1 (mm) Recommended (1 tank) 1000 1000 1000 1000

Minimum (parallel assy.) 425 425 550 550

D2 (mm)Recommended 1000 1000 1000 1000

Minimum 800 800 800 800

Height (mm) Recommended 250 250 300 300

Minimum 150 180 210 180

HRs / Jumbo : 661Y1200 • C

TECHNICAL CHARACTERISTICS

Tank dimensions JUMBO

800 1000

A= Height mm 1955 2355

B= Ø mm 780 780

Cmm 335 335

Dmm 1585 1985

E= Ø mm 360 360

Fmm 1020 1020

Empty weight Kg 360 380

Tank clearance

D1 (mm) Recommended (1 tank) 1000 1000

Minimum (parallel assy) 550 550

D2 (mm) Recommended 1000 1000

Minimum 800 800

H(mm) Recommended 300 300

Minimum 210 180

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