Viessmann VITOCELL 300V Manuale utente

VITOCELL 300V

VITOCELL 300W

Installation instructions

for contractors

Vitocell300V and Vitocell300W

TypeEVA

DHW cylinders with peripheral indirect coils

130 to 200litre capacity

5592783GB3/2007

Safety instructions

Please follow these safety instructions closely to prevent accidents and

material losses.

Safety regulations

Installation, commissioning,

inspection, maintenance and repairs

must only be carried out by a

competent person (heating

engineer/installation contractor).

Observe all current safety

regulations as defined by DIN,

EN, DVGW, TRGI, TRF and VDE or

locally applicable standards.

See also the "Safety instructions" in

the "Vitotec technical

documentation" folder.

Before working on the equipment/

heating system, isolate the power

supply (e.g. by removing a separate

mains fuse or by means of a main

isolator) and safeguard against

unauthorised reconnection.

¨Safety instructions

In this instruction manual, this

heading denotes information that

must be observed to prevent

accidents and material losses.

¨This symbol denotes important

information that must be

observed to prevent material

losses.

5592783GB

Product information

DHW cylinders with peripheral indirect coils for DHW heating in conjunction

with freestanding and wall mounted boilers.

130, 160 and 200litre capacity.

Suitable for systems conforming to DIN1988, EN12828 and DIN4753.

DIN registration number 0166/9910MC.

HR Heating water return

HV Heating water flow

KW Cold water

TH Sensor well for cylinder

temperature sensor or

control thermostat

WW DHW

Z DHW circulation

5592783GB

DHW cylinder installation and levelling

¨Install the DHW cylinder in a

room that is free from the risk of

frost and draughts. Otherwise it

must be drained when not in use

and there is a risk of frost.

Level the DHW cylinder with its

adjustable feet.

!Please note

The thermal insulation must

not be able to come into

contact with naked flames.

Exercise caution when welding

and soldering.

Note

Never extend the adjustable feet

further than 35mm of their total

length.

Connecting the earth bonding

Connect the earth bonding in

accordance with the requirements

stipulated by your local power supply

utility and current local regulations.

Fitting the cylinder temperature sensor

Insert the cylinder temperature

sensor until it bottoms out inside the

sensor well and secure with the

strain relief sleeve.

Affix the type plate on the back of the

DHW cylinder.

5592783GB

1. 5.

Connection on the heating water side

HConnect all pipes with detachable fittings.

HAdjust the control thermostat and high limit safety cut−out to ensure that

the DHW temperature inside the DHW cylinder never exceeds 95ºC.

Permiss. temperatures

Hon the heating water side 110ºC

. . . .

Hon the DHW side 95ºC. . . . . . . . . . . . . . . . . . . . . .

Permiss. operating pressure

Hon the heating water side 3bar

. . . .

Hon the DHW side 10bar. . . . . . . . . . . . . . . . . . . . . .

Test pressure

Hon the heating water side

(primary) 4bar

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hon the DHW side

(secondary) 13bar

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1. For heating water flow

temperatures above 95ºC:

Remove the cover bezels from the

heating water side pipe outlets

(bezels have l.h. threads).

2. Install the return line with an

incline and fit an air vent valve at

its highest point.

AVitocell

BSpring−loaded

check valve

CWall mounted boiler

ELV Air vent valve

HR Heating water return

HV Heating water flow

K Boiler

UP Circulation pump

5592783GB

ELV

Connecting the domestic hot water side

HFor the connection on the DHW side, observe DIN1988 and DIN4753

[or local regulations].

HEquip the DHW circulation line with a circulation pump, check valve and a

time switch. Only a limited gravity operation is possible.

HConnect all pipes with detachable fittings.

HUse red brass caps to seal connections that are not required.

HPermiss. operating pressure 10bar

. . .

Test pressure 13bar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ACheck valve, spring−loaded

BVisible blow−off pipe outlet

AV Shut−off valve

DFR Flow regulating valve

DMV Pressure reducer

EV Drain valve

KW Cold water

MA Pressure gauge connection

MAGW Diaphragm expansion

vessel, suitable for

drinking water

RV1 Non−return valve

RV2 Non−return valve/pipe

separator

SIV Safety valve

TF Drinking water filter

WW DHW

Z DHW circulation pipe

ZP DHW circulation pump

5592783GB

DMV

SIV

AV DFR MA RV1

TF AV RV2 KW

MAG−W

WW Z

Connecting the domestic hot water side (cont.)

Safety valve

Equip the system with a type−tested

diaphragm safety valve as protection

against overpressure.

Permiss. operating pressure: 10bar.

The connection diameter of the

safety valve should be R½" (DN15).

Consequently, the max. permissible

heating load would be 75kW. If the

heating load of the DHW cylinder is

above 75kW, select a larger safety

valve that is large enough for the

actual heating load (see DIN47531,

issue3/88, section6.3.1).

Install the safety valve in the cold

water pipe. It must not be able to be

isolated from the DHW cylinder.

The pipework between the safety

valve and the DHW cylinder must not

be restricted in any way. The safety

valve blow−off line must not be able

to be closed. Expelled water should

be safely and visibly drained into a

waste water facility. It is advisable to

place a sign close to the safety valve

blow−off line or on the safety valve

itself with the following inscription:

"For safety reasons, water may be

discharged from the blow−off line

during heating. Never seal off."

Install the safety valve above the top

edge of the DHW cylinder.

5592783GB

Viessmann Werke GmbH&Co KG

D35107 Allendorf

Tel: +49 6452 700

Fax: +49 6452 702780

www.viessmann.de

Viessmann Limited

Hortonwood 30, Telford

Shropshire, TF1 7YP, GB

Tel: +44 1952 675000

Fax: +44 1952 675040

E−mail: info−[email protected]

Commissioning

For commissioning, see the

service instructions

Printed on environmentally friendly,

chlorine−free bleached paper

5592783GBSubject to technical modifications.

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