Ariston ST 50 ProTech User guide

ti)

ARISTON

Instructions

for

Installation,

Servicing

and

Use

Unvented

Hot

Water

Storage

Cylinders

kiwa kiwa

Country

destination:

GB/IE

benchmark

TABLE

CONTENTS

THE

BENCHMARK

SCHEME

Page

GENERAL

INFORMATION

Page

2.1

Guarantee

Page

2,2.

How

the

Appliance

Works

Page

2.3

Delivery

Page

INSTALLATION

Page

3.1

Water

Regulations

Page

3.2

Building

Regulations

Page

3.3

General

Guidance

Page

3.4

Cold

Water

Supply

Page

3.6

Siting

and

Fixing

Page

3.7

Overall

Dimensions

Page

3.8

Connection

Mains

Supply

Page

3.9

Cold

Water

Combination

Valve

Page

3.10

Connection

Services

Page

3.11

Secondary

Return

Page

3.12

Discharge

Pipework

Page

3.13

Electrical

Connection

Page

3.14

Electrical

Diagrams

Page

COMMISSIONING

Page

MAINTENANCE

Page

5.1

ProTech

Anti-corrosion

System

Page

5.2

Thermal

Cut-out(s)

Page

5.3

Immersion

Heater(s)

Page

5.4

Unvented

Controls

Page

5.5

Thermostats

Page

5.6

Maintenance

Page

FAULT

FINDING

Page

TECHNICAL

INFORMATION

Page

BENCHMARK

COMMISSIONING

CHECKLIST

Page

BENCHMARK

SERVICE

RECORD

Page

The

Benchmark

Scheme

Benchmark

places

responsibilities

both

manufacturers

and

installers.

The

purpose

ensure

that

customers

are

provided

with

the

correct

equipment

for

their

needs,

that

installed,

commissioned

and

serviced

accordance

with

the

manufacturer's

instructions

competent

persons

and

that

meets

the

requirements

the

appropriate

Building

Regulations.

The

Benchmark

Checklist

can

used

demonstrate

compliance

with

Building

Regulations

and

should

provided

the

customer

for

future

reference.

Installers

are

required

carry

out

installation,

commissioning

and

servicing

work

accordance

with

the

Benchmark

Code

Practice

which

available

from

the

Heatinmg

and

Hotwater

Industry

Council

who

manage

and

promote

the

Scheme.

Visit

vvww.centralheating.co.uk

^or

information.

GENERAL

INFORMATION

2.1

Guarantee

This

manual

integral

and

essential

part

the

product.

should

kept

with

the

appliance

that

can

consulted

the

user

and/or

authorised

personnel.

Please

read

carefully

the

instructions

and

notices

about

the

appliance

contained

this

manual,

they

provide

important

information

regarding

the

safe

installation,

use

and

maintenance

the

cylinder.

Failure

may

invalidate

the

guarantee.

When

installing

and

servicing

the

cylinder,

Ariston

ThermoUK

Ltd

recommend

the

use

protective

clothing

i.e.

gloves.

The

Ariston

range

unvented

cylinders

come

with

Varying

guarantees

depending

the

model

cylinder.

The

guarantee

periods

offered

with

each

model

cylinder

are

follows:

Range

Classico

Range

Primo

Range

Years

tank

Years

electrical

components

Years

tank

Years

electrical

components

Years

tank

Years

electrical

components

Note:

The

guarantee

subject

the

cylinder

being

installed

and

serviced

annually

competent

person

per

the

servicing

instructions

Section

5.6

this

manual.

For

units

with

the

ProTech

anti-corrosion

device

must

ensured

that

this

connected

and

operating

correctly

(green

LED

only).

2.2

How

THE

Appliance

Works

The

immersion

heater(s)

are

controlled

through

thermostat

which

senses

the

water

temperature.

The

operating

temperature

can

pre-set

adjusting

the

spindle

the

head

the

thermostat.

addition

the

thermostat

there

thermal

cut-out

incorporated

the

thermostat

fails

and

the

water

temperature

rises

too

high.

Once

the

cut-out

operates

can

only

re-set

manually

after

the

fault

has

been

rectified.

Indirect

models

have

dual

thermal

controls.

addition

the

above

there

separate

cylinder

thermostat

and

thermal

cut-out

for

controlling

each

indirect

circuit.

Again

the

thermal

cut-out

operates

the

cylinder

thermostat

fails,

disconnecting

the

live

feed

(call

for

hot

water)

from

the

programmer.

ITI/ITD/ITSI

models

have

stainless

steel

tank

and

therefore

need

protection

against

corrosion.

STD/STI

models

have

enamelled

steel

tank

and

therefore

are

supplied

with

magnesium

anodes

prevent

corrosion

the

cylinder

tank.

imperative

that

the

top

anode

checked

during

the

annual

service

and

found

corroded

both

anodes

should

replaced.

Failure

could

invalidate

the

warranty

the

tank.

i-.

The

Wall-hung

(ST)

units

utilise

the

ProTech

anti-corrosion

system

(electronic

anode).

This

prevents

electrolytic

reaction

between

the

tank

and

dissimilar

metals.

The

ProTech

system

shows

operating

correctly

(green

LED)

incorrectly

(red

LED).

the

event

that

the

red

LED

lights

(even

with

the

green

light

still

showing),

imperative

that

service

agent

contacted

immediately

continued

use

with

the

ProTech

system

this

state

could

invalidate

the

warranty

the

tiank.

The

factory

fitted

temperature

pressure

relief

valve

the

top

the

cylinder

safety

device

back-up

the

thermostat(s)

and

thermal

cut-

out(s).

works

sensing

excess

water

temperature

pressure

and

releasing

the

hot

water

Into

discharge

tundish

and

drain.

The

cylinder

will

only

work

the

vertical

position.

The

inlet

pipe

needs

deliver

cold

water

the

bottom

the

tank.

When

water

heated

expands.

accommodate

this

increase

volume

expansion

vessel

provided.

cold

water

combination

valve

also

provided

two

pieces,

loose

jointed

for

ease

installation.

These

comprise

combined

line

strainer/pressure

reducing

valve

and

core

non-return

valve/expansion

relief

valve.

2.3

Delivery

Arlston

range

Unvented

Cylinders

are

available

the

following

options:

The

Wall-hung

ProTech

cylinder

(100

litre

model),

which

supplied

follows;

One

box

containing;

The

cylinder

with

factory

fitted

temperature

pressure

relief

valve,

immersion

heater

and

thermostat

with

thermal

cut-out.

One

box

containing;

Unvented

control

pack

(expansion

vessel,

piece

cold

water

combination

valve

and

tundish),

instructions

for

installation,

servicing

and

use

including

the

Benchrnark

Log

Book).

The

STD

and

ST/floor

standing

range

(125,

150,

200,

300

and

500

litre

models)

and

the

ITD

and

ITI

floor

standing

range

(100*,

125,150,

200,

250*

and

300

litre

models

which

are

supplied

follows;

One

box

containing;

.1)

The

cylinder

with

factory

fitted

temperature

pressure

relief

valve,

immersion

heater(s)

and

thermostat(s)

with

thermal

cut-out(s),

cylinder

thermostat

with

thermal

cut-out

(indirect

only).

Unvented

control

pack

(expansion

vessel,

piece

cold

water

combination

valve

and

tundish),

motorised

valve

(indirect

only,

non-high

temperature),

expansion

vessel

mounting

bracket,

instructions

for

installation,

servicing

and

use

including

the

Benchmark

Log

Book.

The

/TS/twin

coil

floor

standing

range

(200,

250

and

300

litre

models)

are

supplied

with

the

following;

One

box

containing;

The

Cylinder

with

factory

fitted

temperature

pressure

relief

valve,

immersion

heaters

and

thermostats

with

thermal

cut-outs,

cylinder

thermostats

with

thermal

cut-outs.

Unvented

control

pack

(expansion

vessel,

piece

cold

water

combination

valve

and

tundish),

motorised

valves

(non-high

temperature),

elongated

thermostat

pocket

(for

solar

applications),

expansion

vessel

mounting

bracket,

instructions

for

installation,

servicing

and

use

including

the

Benchmark

Log

Book.

ITI

only

INSTALLATION

3.1

Water

Regulations

3.2

Building

Regulations

3.3

General

Guidance

The

appliance

should

installed

accordance

with

the

Domestic

Heating

Compliance

Guide.

These

regulations

(byelaws

Scotland)

ensure

good

supply

wholesome

water,

ahd

that

only

approved

materials,

pipes

and

fittings

are

used

convey

water.

These

are

statutory

document

and

take

priority

over

all

other

regulations

and

recommendations.

The

installation

unvented

hot

water

storage

cylinder

classified

"Controlled

Service"

and

Regulation

applies.

meet

the

requirements

the

Regulation,

installation

unvented

system

should

undertaken

"competent

installer".

All

installations

unvented

hot

water

storage

systems

having

capacity

than

litres

should

notified

the

relevant

Local

Authority

rrieans

building

notice

the

submission

full

plans.

important

note

that

criminal

offense

install

unvented

hot

water

storage

system

without

notifying

the

Local

Authority.

The

installation

the

unvented

cylinder

and

hot

water

system

must

comply

with

6700

and

the

HSE

Legionella

Code

Practice.

Current

guidance

notes

not

cover

the

connection

solar

thermal

circuit

unvented

storage

vessel

(cylinder).

However,

guidance

sought

for

compliance

with

current

regulations

the

fundamental

principle

provide

failsafe

means

shutting

off

the

solar

input

the

heat

exchanger

the

cylinder

temperature

should

rise

above

the

set

temperature

the

cylinder's

energy

cut

out.

(See

Note

1).

with

all

unvented

hot

water

systems,

notification

intention

install

should

given

your

local

building

control.

Option

non

self

resetting

mechanical

shut-off

should

installed

the

solar

primary

flow

the

cylinder.

The

mechanical

shut-off

should

suitable

for

use

with

solar

primary

circuit

(i.e.

high

temperature

and

glycol

resistant).

The

mechanical

shut-off

should

integrated

electrically

with

the

cylinder

energy

cut

out/s

and

necessary

the

solar

circuit

temperature

control,

please

refer

the

solar

controller

manufacturer

for

further

information.

Option

Where

the

solar

controller

and

hydraulic

system

demonstrate

that

lesser

means

the

requirement

Option

satisfied

other

means;

certification

approvals

body

required

demonstrate

that

the

event

the

stored

water

going

over

temperature,

the

heat

input

the

cylinder

isolated

physical

means

and

non

self

resetting.

These

systems

should

clearly

identified

with

reference

the

approvals

body.

(See

Note

:Whilst

most

solar

cylinders

use

coil

type

heat

exchanger

other

options

such

external

plate

devices

external

annulars

'tank

tank'

systems

may

used

but

the

same

control

options

always

apply.

Note

:Current

approved

bodies

include

the

British

Board

Agrement

(BBA),

WRc-NSF

Limited,

KIWA

3.4

Cold

Water

Supply

The

strainer

prevents

any

debris

entering

the

other

controls.

The

pressure

reducer

ensures

the

correct

operation

the

expansion

vessel,

and

prevents

any

damage

the

control

valves

through

too

great

pressure.

The

non-return

valve

ensures

the

water

expansion

forced

into

the

expansion

vessel

and

prevents

contamination

the

mains

cold

water

supply.

The

expansion

relief

valve

will

discharge

expanded

water

the

discharge

tundish

the

expansion

vessel

fails.

important

ensure

that

the

cold

water

main

capable

supplying

the

increased

demand

which

will

imposed

it.

Hot

and

cold

water

are

both

drawn

off

the

same

source

supply.

Remember,

there

will

not

storage

tank

help

compensate

for

variations

the

demand

thasystem.

3.6

Siting

and

Fixing

minimum

dynamic

pressure

1.5

bar

litres

per

minute

required

for

satisfactory

operation.

85%

dwellings

have

mains

pressure

above

2.0

bar.

Note:

THE

MAINS

WATER

SUPPLY

MUST

NOT

EXCEED

BAR.

The

cylinder

should

left

packed

until

time

install.

When

unpacking

the

appliance

the

guidelines

within

the

packaging

and

take

care

not

damage

the

temperature

and

pressure

relief

valve.

The

cylinder

may

installed

any

convenient

position.

connected

the

mains

cold

water

supply.

Consideration

must

given

allow

ease

access

for

maintenance

purposes.

Additionally,

not

install

the

unit

premises

which

may

subject

freezing.

Ensure

that

the

floor

load

bearing

strength

adequate

take

the

weight

the

cylinder

when

full

water

(see

Table

1).

e.g.

not

install

the

cylinder

floors

made

chipboard

other

flooring

where

the

mechanical

strength

compromised

when

damp.

The

ST50,

ST80

and

ST100

ProTech

models

are

wall

mounted.

All

other

models

are

free

standing.

These

are

supplied

with

feet

which

are

attached

the

heater

via

self-tapping

screws

which

are

also

supplied.

All

units

must

installed

the

VERTICAL

POSITION.

For

maintenance

purposes

leave

least

500

free

space

front

the

unit,

for

access.

Important:

the

event

that

the

installation

this

cylinder

wll

require

third

sensor

fitted

(i.e.

Solar)

the

following

actions

will

necessary:

Replace

one

the

thermostat

pockets

supplied

with

the

indirect

thermostats

the

Unvented

Kit

with

the

elongated

thermostat

pocket

also

supplied.

This

thermostat

and

pocket

must

now

fitted

the

top

thermostat

connection.

Please

also

refer

Section

2.3

General

Guidance

Options

and

(page

this

manual.

For

further

technical

advice,

please

contact

the

Ariston

Technical

Advice

Line

0870

241

8180.

DIRECT

RANGE

Wall'hung

100

ProTech

Storage

Capacity

Units

Pipe

Size

Inlet

Outlet

Coil

Surface

rrP

Floor

Standing

ClassicoHESTDIZS

ClassicoHESTDISO

CtoHESTD

210

ClassicoHESTD300

ClassicoHESTDSOO

3/4"

Male

3/4"

Male

3/4"

Male

3/4"

Male

ClassicoHESTI125

CtoHESTIISO

ClassicoHESTI210

QassicoHESTISOO

ClassicoHESTlSOO

3/4"

Male

3/4"

Male

3/4"

Male

3/4"

Male

storage

Capacity

DIRECT

RANGE

PRIMOHEfTD125

PRIMOHEITD150

PRIMOHEITD210

PRIMOHEITD300

lIMJiiSiiiaJM:

PRIM0HEIT11M

PRIMO

171125

PRIMOHEITI

150

PRIMOHEITI210

PRiMO

171250

PRiM0HEI7l

300

TWIN

COIL

RANGE

PRtMOHEI7S!210(topA)OltOfii)

PRIMO

1751250

(topAotlOffl)

PRiMOHEI7SI300(topMo!n)

Units

Pipe

Size

Inlet

Outlet

3/4"

Male

3/4"

Male

3/4"

Male

3/4"

Male

3/4"

Male

3/4'

Male

3/4"

Male

3/4"

Male

3/4"

Male

3/4"

Male

Coil

Surface

3.8

Connection

Mains

Water

Supply

For

floor

standing

models:

the

front

the

unit

there

label

identify

the

connection

ports.

Please

check

this

before

making

any

connection

the

unit.

For

units

300

litres

recommended

that

all

mains

cold

water

supply

pipe

work

minimum

22mm,

with

the

exception

model

ProTech

where

15mm

can

used.

For

500

litre

models

the

supply

should

28mm.

isolating

valve

should

installed

between

the

cold

water

supply

and

the

cylinder

for

servicing.

ALL

PIPEWORK

MUST

FLUSHED

AVOID

DAMAGE

TOTHE

CONTROL

VALVES.

Please

refer

Figs.

3.1

3.7

for

suggested

installation

layout.

Draining

taps

must

located

acessible

postions

permit

the

draining

the

whole

cylinder.

The

taps

must

minimal

size

least

15mm

nominal

size

(preferably

22mm),

and

manufactured

accordance

with

2879:1980.

When

installing

the

expansion

vessel

can

either

connected

directly

the

combination

valve

(see

Figs

3.8

3.10),

can

installed

remotely

using

the

flexible

hose

supplied.

Important

Note:-

When

installing

the

expansion

vessel,

not

install

the

expansion

vessel

vertically

air

can

become

trapped

the

expansion

vessel

resulting

potential

vibrations

through

the

cylinder

and

pipework.

When

using

the

flexible

hose

remotely

install

the

expansion

vessel

away

from

the

control

valve,

again,

ensure

that

the

vessel

not

installed

vertical

position

where

can

trap

air.

See

below

for

acceptable

installation

practices.

□□

ProTech

100

STD

125-150-210-300

Direct

ITD

125-150-210-300

Direct

PRESSURE

TEMPERATURE

RELIEF

VALVE

COMBINATIOM

VALVE

EXPANSION

VESSEL

EXPANSION

RELIEF

HOT

SUPPLY

22inm

''■

WW.

■o:\0i?d

125-150-210-300

Indirect

10-125-150-210-250-300

Indirect

SECONDARY

RETURN

■

MAX.

tOOmm

Note:

Flow

and

Return

pipes

may

connectei

THAT

SHOWN

THE

DIAGRAMS

FOR

INDIRECT

CYL

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