thermital TBSS 150, TBSS 430, TBSS 200, TBSS 300, TBSS 550 Installation, Operation And Maintenance Manual

TBSS 150-200-300-430-550 TBSS 800-1000

TBSS

INSTALLATION, OPERATION AND

MAINTENANCE MANUAL

This manual, Code 20128955 - Rev. 2 (01/18) comprises 8 pages.

2

ENGLISH

GENERAL INFORMATION

GENERAL INFORMATION

RANGE

MODEL CODE

TBSS 150 20124177
TBSS 200 20124178
TBSS 300 20124179
TBSS 430 20124180
TBSS 550 20124181
TBSS 800 20132275
TBSS 1000 20132276

ACCESSORIES

For a complete list of accessories and details of their compati­bility, refer to the Catalogue.

Dear heating engineer,
We would like to congratulate you on having recommended a

T Storage cylinder unit: a modern product that's

capable of ensuring a high degree of reliability, efficiency,
quality and safety.
While your technical skills and knowledge will certainly be
more than sufficient, this booklet contains all the information
that we have deemed necessary for the device's correct and
easy installation.

Thank you again, and keep up the good work,

Thermital

CONFORMITY

T storage cylinders conform to DIN 4753-3 and

UNI EN 12897 standards.

CONTENTS

The following symbols are used in this manual:

b

CAUTION! =

Identifies actions that require caution and

adequate preparation.

a

STOP! =

Identifies actions that you MUST NOT do.

GENERAL SAFETY INFORMATION

b

Check that the product is complete, undamaged and as
ordered as soon as you receive it. Report any discrepan­cies or damage to the T dealer who sold it.

b

This product must be installed by a legally qualified heat­ing engineer. On completion of the installation, the install­er must issue the owner with a declaration of conformity
confirming that the installation has been completed to
the highest standards in compliance with the instructions
provided by T in this instruction manual, and
that it conforms to all applicable laws and standards.

b

This product must only be used for the purpose for which
it is designed and made, as specified by

T.

T declines all responsibility, contractual or

other, for damage to property or injury to persons or ani­mals caused by improper installation, adjustment, main­tenance or use.

b

The product must be serviced at least once a year. Servic­ing must be arranged in advance with the T
Technical Assistance Centre.

b

All servicing and repairs must be performed by a quali­fied heating engineer.

b

If water leaks from the storage cylinder, turn off the water
supply and contact T’s Technical Assistance
Centre or a qualified heating engineer immediately.

b

If the product is not going to be used for an extended
period of time, contact the manufacturer’s Technical As­sistance Centre to have at least the following operations
performed:

- Close the shut-off cocks for the domestic hot water cir­cuit

- Shut down the boiler connected to the storage cylinder
as instructed in its own manual

- Switch the storage cylinder OFF at the control panel (if
fitted) and at the mains power switch

- Drain the central heating circuit and domestic hot water
circuit if there is any risk of freezing.

b

This instruction manual is an integral part of the prod­uct. It must be kept safe and must ALWAYS accompany
the product, even if it is sold to another owner or trans­ferred to another user or to another installation. If you
lose this manual, order a replacement immediately. Keep
the product purchase documents to be presented to the

T authorised Technical Assistance Centre to

request a service call under warranty.

This manual, Code

- Rev.
comprises
pages.

ENGLISH

General information

GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . 2

General Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . 2

Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Description of the appliance . . . . . . . . . . . . . . . . . . . . . . . . 3

Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

System layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Unpacking the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Assembly of the insulation and the lining (models 800 - 1000) . .

6

Place of installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Installation in older systems and systems requiring

modernisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Water quality requirements. . . . . . . . . . . . . . . . . . . . . . . . . . 6

Water connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Recycling and disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

END USER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Temporary shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Preparing for extended periods of disuse . . . . . . . . . . . . . . 8

External maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3

ENGLISH

GENERAL INFORMATION

GENERAL INFORMATION

PRECAUTIONS

The operation of any appliance that uses electrical power de­mands that a number of fundamental safety precautions be
respected. In particular:

a

Never attempt to install the system without using suitable
personal protection equipment and without following all
applicable occupational safety standards.

a

Do not touch the product when barefoot or wet if it has
any electrical accessories installed in it.

a

Never clean or service the storage cylinder without first
turning the mains power switch OFF to disconnect all
electrical accessories (if fitted) from the mains electricity
supply.

a

Never pull, disconnect, or twist any electrical cables
coming from the appliance even if it is disconnected from
the mains electricity supply.

a

Do not expose the storage cylinder to the elements. It is
not designed for use outdoors.

a

Do not allow children or infirm persons to operate the
system unsupervised.

a

Do not dispose of packaging material into the environ­ment, or leave it within the reach of children, since it can
become a potential hazard. Dispose of packaging mate­rial in compliance with applicable legislation.

DESCRIPTION OF THE APPLIANCE

T

TBSS

boilers produce domestic hot water for

storage purposes and are available in seven different models.

Their most important technical features are:

- the storage cylinder and coil are specially designed
and shaped for optimum performance in terms of strati­fication, heat exchange and replenishment times

- internal glazing, bacteriologically inert, to ensure the
maximum hygiene of treated water, reduce limescale
deposits and make cleaning operations easier

- CFC-free polyurethane insulation and an elegant exter­nal casing reduce heat loss

- a flange is provided for easy cleaning and maintenance
of the anti-corrosion magnesium anode.

IDENTIFICATION

The T

TBSS

solar heaters can be identified by:

Data plate

This lists the technical specifications and performance of
the product.

BALLON

Modele
Model

Fabrication

Code

Année

W

l

bar

W

kW

l/1'

BOLLITORE

Modello

Codice

Matricola

Anno

m

2

kW

T067850IFE

T067850IFE

BOILER

Serial number

Year

V-Hz

Potenza elettrica assorbita
Puissance élect. absorbée
Electrical consumption

Alimentazioneelettrica
Alimentat. élect.
Power supply

Dispersioni secondo EN 12897
Déperditions selon EN 12897
Heat loss according to EN 12897

Matricola
Fabrication
Serial number

Modello
Modele
Model

Max pot. assorb.
Puiss. absor.
Power abs.

Code

Massima potenza assorbita [T° Primario 80°C]
Puissance absorbée serpentin [T° Primaire 80°C]
Power absorbed by the coil [T° primary 80°C]

Produzione acqua calda sanitaria - serp. [∆T20°C]
Production eau chaude sanitaire - serp. [∆T 20°C]

Domestic hot water production – coil [∆T 20°C]

Superficie serpentino
Surface serpentin
Coil heat exchange surface area

Press. esercizio max.
Pression service max.
Maximum working pressure of storage cylinder

Capacità del bollitore
Capacité ballon
Storage cylinder capacity

Collegamento di terraobbligatorio - Raccordement a la terre obligatoire

Obligatory ground connection

RIELLO S.p.A.
Via Ing.Pilade Riello 7
37045 Legnago (VR) - ITALY

RIELLO S.p.A.
Via Ing.Pilade Riello 7
37045 Legnago (VR) - ITALY

Serial number plate

This specifies the serial number and model.

b

If these plates or any other means of clearly identify­ing the product are defaced, removed or lost, proper
installation and servicing may be rendered difficult.

b

On models 800 and 1000 the technical data plate and
serial number plate must be applied (by the installer)
after the insulation has been fitted.

SYSTEM LAYOUT

UAC

EAF

SB

P

M

1

3

6

5

4

2

1

Storage cylinder

2

Preset for lifting han­dles (accessory) and/
or device grounding
point

3

Coil

4

Flange for heater in­spection

5

Insulation

6

Cover

P

Socket

M

Guide

UAC

Domestic hot water

outlet

EAF

Domestic cold water

inlet

SB

Storage cylinder drain

4

ENGLISH

GENERAL INFORMATION

GENERAL INFORMATION

TECHNICAL SPECIFICATIONS

DESCRIPTION

TBSS

150 200 300 430 550 800 1000

Type of storage cylinder Vertical, glazed

Heat exchanger layout Vertical, with elliptical section

Vertical, with circular

section
Storage cylinder capacity 162 207 305 445 555 735 890 l
Diameter of storage cylinder with insulation 604 604 604 755 755 974 974 mm
Diameter of storage cylinder without insulation - - - - - 790 790 mm
Height with insulation 1088 1338 1838 1644 1988 1835 2155 mm
Height without insulation - - - - - 1745 2070 mm
Insulation thickness 52 52 52 52 52 92 92 mm
Total net weight 62 78 103 131 157 203 225 kg
Quantity/diameter/length of magnesium anode

1/33/300 1/33/300 1/33/450 1/33/450 1/33/520 1/40/600 1/40/600

mm
Flange internal diameter 130 130 130 130 130 130 130 mm
Diameter/length of sensor sockets 16/180 16/180 16/180 16/180 16/180 16/180 16/180 mm
Coil water capacity 4,25 6,9 8,5 10,0 19,3 21,0 24,4 l
Coil heat exchange surface area 0,85 1,38 1,7 2 2,3 2,5 2,9 m

2

Maximum operating pressure of storage cylinder 10 7 bar
Maximum operating pressure of coils 10 7 bar
Maximum operating temperature 99 °C
Discharges according to EN 12897:2006 ∆T=45 °C

(ambient 20°C and storage at 65°C)

55 58 68 73 84 95 103 W

Discharges according to UNI 11300 1,22 1,31 1,51 1,62 1,87 2,11 2,29 W/K
Energy class B B B B B B B

Continuous availability of domestic water (DHW 10-45°C) at the different coil inlet temperatures and with the indicated
delta (∆) T°.

Coil delivery temperature

80°C ∆T 20°C

27 39 49 56 66 69 75 kW

660 950 1185 1380 1645 1728 1860 l/h

70°C ∆T 20°C

19 28 37 40 49 53 57 kW

480 690 921 955 1207 1300 1403 l/h

60°C ∆T 10°C

11 17 22 24 35 37 39 kW

280 410 528 580 860 910 960 l/h

50°C ∆T 10°C

8 9 13 15 17 19 21,7 kW

190 200 319 370 408 460 534 l/h

Set-up time required to heat the boiler to 60°C (coil probe point reference) with primary exchanger at the indicated de­livery temperature and with the indicated delta (∆) T°.

Coil delivery temperature
80°C ∆T 20°C 35 34 38 37 32 50 52 min
70°C ∆T 20°C 39 40 42 43 48 74 77 min

Set-up time required to heat the boiler to 55°C (coil probe point reference) with primary exchanger at the indicated de­livery temperature and with the indicated delta (∆) T°.

Coil delivery temperature
60°C ∆T 10°C 45 43 48 52 50 76 82 min

Set-up time required to heat the boiler to 45°C (coil probe point reference) with primary exchanger at the indicated de­livery temperature and with the indicated delta (∆) T°.

Coil delivery temperature
50°C ∆T 10°C 56 53 55 60 58 80 94 min

NL thermal efciency coefcient according to DIN 4708. The NL index indicates a number of apartments having 3.5 peo­ple that can be fully supplied, with a 140 l bathtub and two other drawing points.

Coil delivery temperature
80°C 1,84 2,6 3,28 4,06 4,87 5,9 6,83
70°C 1,44 2,01 2,63 3,12 3,86 4,9 5,67
60°C 1 1,36 1,81 2,2 2,5 3,7 4,23
50°C 0,75 0,86 1,26 1,59 2,01 2,37 2,68

5

ENGLISH

GENERAL INFORMATION

GENERAL INFORMATION

EMPTYING IN 10’

TBSS

150 200 300 430 550 800 1000

Quantity of domestic water obtained in 10’ with boiler pre-heated to 60°C (coil probe point reference) and primary
exchanger at the indicated delivery temperature, considering an increase of the domestic water temperature of 30°C
between inlet and outlet (according to EN 12897).

Coil delivery temperature
80°C 272 347 440 653 826 1270 1583 l
70°C 250 320 410 585 731 1177 1445 l

Quantity of domestic water obtained in 10’ with boiler pre-heated to 55°C (coil probe point reference) and primary
exchanger at the indicated delivery temperature, considering an increase of the domestic water temperature of 30°C
between inlet and outlet (according to EN 12897).

Coil delivery temperature
60°C 223 265 370 530 697 975 1163 l

Quantity of domestic water obtained in 10’ with boiler pre-heated to 45°C (coil probe point reference) and primary
exchanger at the indicated delivery temperature, considering an increase of the domestic water temperature of 30°C
between inlet and outlet (according to EN 12897).

Coil delivery temperature
50°C 170 208 315 428 590 720 812 l

Pressure drops
COIL

PRESSURE DROP (mbar)

800

600

400

1000

200

0

0 1000 2000 3000 4000

200

150

550

300

430

800

1000

FLOW RATE (l/h)

6

ENGLISH

INSTALLATION

INSTALLATION

UNPACKING THE PRODUCT

Heaters T

TBSS

are supplied in a single package
on a wooden pallet.
The insulation and the lining components of the models 800
and 1000 are supplied separately from the structural work and
are to be assembled upon receiving the product as described
in the paragraph "Assembly of the insulation and the lining
(models 800 - 1000)". For these models the magnesium anode
is supplied in a cardboard box.
The following items are delivered in a plastic bag inside the
packaging:

- Instruction manual

- Bar code label

- Hydraulic test certificate

- Energy label (to be applied to device upon installation)

- No. 4 adjustable feet to be mounted during installation
(for models 800-1000 only).

b

The instruction manual is an integral part of the solar stor­age cylinder. Once located, read it thoroughly and keep
it safe.

b

For handling operations, thoroughly follow the instruc­tions on device package label.

ASSEMBLY OF THE INSULATION AND

THE LINING (MODELS 800 - 1000)

The assembly of the insulation and lining components must
be performed at the site of installation to facilitate passage
through any doors and/or entries to the room.

4

5

2

1

7

3

3

1

6

1

3

L

3

L

Proceed as follows:

- Fit the magnesium anode (6) with its seal in the sleeve
and fix it in place

- Assemble the insulating covers (1) around the body of
the heater, making sure that the engagement points on
the edges are positioned correctly. The edges are not
required to be closed completely

- Place the front protection plate (3) correctly on the at­tachments

- Place the washers on the attachments and the protec­tion for the inspection flange (4)

- Place the rear protection plate by closing the interlock­ing flaps (L) without closing completely (leave one tooth
open)

- Apply the upper insulation (2) and the upper cover (5)
(in order to insert the cover, exert a light and homoge­neous pressure)

- Close the interlocking flaps (L) completely, which were
previously left with an open tooth

- Fit the cover of the inspection flange using the two
self-tapping screws (7) provided

- Apply the technical data plate and serial number plate.

If disassembling is required, proceed in reverse order.

b

Wear suitable personal protective equipment and use
suitable safety devices.

PLACE OF INSTALLATION

T

TBSS

storage cylinders can be installed in any
room where there is no specific requirement for an electrical
protection rating higher than IP X0D.

≥ 0,3 m

≥ 0,3 m

≥ 0,3 m

≥ 0,6 m

≥ 0,7 m

NOTE:

the above-indicated dimensions are recommended for

a correct maintenance and access to the device.

INSTALLATION IN OLDER SYSTEMS AND

SYSTEMS REQUIRING MODERNISATION

When installing T

TBSS

storage cylinders in old
systems or systems requiring modernisation, always perform
the following checks.

- Make sure that the system is fitted with safety and con­trol devices in accordance with applicable legislation
and standards

- Make sure that the central heating circuit has been
flushed out to remove all sludge and lime scale, and
has been vented and seal tested

- Make sure that a suitable water treatment system is in­stalled if the quality of the supply/recirculation water so
demands. (Refer to the reference values listed in the
table alongside.)

WATER QUALITY REQUIREMENTS

REFERENCE VALUES

pH 6-8

Electrical conductivity less than 200 μS/cm (25°C)

Chlorine ions less than 50 ppm

Sulphuric acid ions less than 50 ppm

Total iron less than 0.3 ppm

Alkalinity M less than 50 ppm

Total hardness less than 35°F

Sulphur ions none

Ammonia ions none

Silicon ions less than 30 ppm

The values above ensure proper operation of the system. Refer
to the limit values specified in the current standards and regu­lations on the installation site.

Installation

7

ENGLISH

INSTALLATION

INSTALLATION

WATER CONNECTIONS

A

B

C

D

E

F

G

H

UAC

MC

Psc

RL

RC

EAF

AD

L

I

DF

TBSS 150 - 550 TBSS 800 - 1000

A

B

C

D

E

F

G

H

UAC

MC

Psc

RL

RC

EAF

M

L

I

DF

AD

DESCRIPTION

TBSS

150 200 300 430 550 800 1000

UAC Domestic hot water outlet 1” M 1”1/4 M Ø
MC Outlet from boiler 1” M 1” M Ø
RC Return to boiler 1” M 1” M Ø
RL DHW recirculation 1” M 1” M Ø
EAF Domestic cold water inlet 1” M 1”1/4 M Ø
Psc Diameter/length of boiler sensor socket 16/180 16/180 mm
AD Quantity/diameter/length of magnesium an-

ode

1/33/300 1/33/300 1/33/450 1/33/450 1/33/520 1/40/600 1/40/600

mm

DF Flange internal diameter 130 130 130 130 130 130 130 mm
A 171 171 171 208 207 75 75 mm
B 243 243 253 304 303 289 289 mm
C 323 401 475 462 543 465 529 mm
D 431 561 635 622 717 641 706 mm
E 523 687 793 780 875 799 864 mm
F 663 827 993 980 1075 969 1034 mm
G 920 1170 1670 1440 1784 1707 2032 mm
H 1088 1338 1838 1644 1988 1835 2155 mm
I 604 604 604 755 755 974 974 mm
L M8 threaded inserts for grounding point/ac-

cessory handles connection

700 700 700 700 700 604 604 mm

M - - - - - 1144 1209 mm

b

We recommend that you install isolating valves in the outlet and return lines.

b

Check the efficiency of the seals when filling/refilling the storage cylinder.

b

In case of a probe, any electric junction between probe cable and extensions for the connection to the electric panel must
be soldered and protected with a sheath or a suitable electric insulation.

b

To access the M8 threaded inserts on models 800 - 1000 the external covering has to be removed as instructed in "Assem­bly of the insulation and the lining (models 800 - 1000)"

b

Install the magnesium anode supplied (for the models 800 and 1000).

8

ENGLISH

END USER

END USER

RECYCLING AND DISPOSAL

The device is primarily composed of:

Material Component

steel structural work

PU (polyurethane) insulation (models 150 - 550)

polystyrene - polyester felt insulation (models 800 - 1000)

PE (polyethylene) water connection washers

ABS (acrylonitrile-butadiene-styrene) lining and covers

At the end of the device's useful life, these components must be separated and disposed of according to current regulations in
the country of installation.

END USER INSTRUCTIONS

Refer to the GENERAL SAFETY INFORMATION and PRECAUTIONS section for safety-related information.

START-UP

The heater commissioning must be performed by Technical
Assistance Centre personnel.
Under certain circumstances, such as after long periods of
disuse, the user may need to re-start it without involving the
Technical Assistance Centre. Before doing so, perform the fol­lowing checks and operations.

- Check that the supply cocks in the domestic water cir­cuit are all open

- Switch the electricity supply ON at the mains power
switch and at control panel switch (if fitted).

TEMPORARY SHUTDOWN

To reduce to the environmental impact and save energy, in
case of brief absences, week-ends, short trips, etc., and with
external temperatures above 0°C, set the heater temperature
control, where available, to the minimum value.

b

If the temperature to which the heater is exposed can
fall below 0°C (frost hazard), perform the operations de­scribed in paragraph "Preparing for extended periods of
disuse".

PREPARING FOR EXTENDED PERIODS

OF DISUSE

If the storage cylinder is not going to be used for an extended
period of time, ask the manufacturer’s Technical Assistance
Centre to make the system safe.

EXTERNAL MAINTENANCE

Clean the outside of the storage cylinder with a soft cloth
damped in soapy water.

a

Do not use abrasive products, petrol or triethylene.

End user

RIELLO S.p.A.

Via Ing. Pilade Riello, 7

37045 - Legnago (VR)

www.thermital.it

The manufacturer strives to continuously improve all products. Appearance,

dimensions, technical specications, standard equipment and accessories are

therefore liable to modication without notice.