ACV HRs 321 Handbuch
661Y1200 • C
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INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
HRs 321 - 601 - 800 - 1000
JUMBO 800 - 1000
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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
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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 theinstruc-
tions contained in this technical manual.
Essential instructions forthe safety of persons and the environment
• It is strictly prohibited to bring any modification to the appliance, without
themanufacturer’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 forthecorrect operation oftheinstallation
• 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 hotwater.
• 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.
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GENERAL RECOMMENDATIONS
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Legend :
1. Thermometer : indicates the domestic hot water (DHW) temperature in the tank.
2. Adjusting knob : allows to dene 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
c1
2
Br
Y/Gr
B
OrOr
Y/Gr
Bk
Bk
N L1
L1 N
tN
PE
L
12
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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
specic 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
1
2
6
8
9
10
11
12
3
4
5
7
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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
1
4
6
7
9
10
8
2
3
5
11
12
13
14
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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
A
D
C
B
E
F
E
F
HRs 321 - 601 HRs 800 - 1000
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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
D1
H
D2
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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
A
D
C
B
E
F
F
D1
H
D2
Dieses Handbuch passt für folgende Modelle
5
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