Sime Metropolis DGT 25 BF User manual

ENSURE THAT THESE INSTRUCTIONS ARE LEFT

FOR THE USER AFTER COMPLETION OF THE

BENCHMARK SECTION

Metropolis DGT

25 BF

User instructions

ENG

Please read the Important Notice within

this guide regarding your boiler warranty

199838

All descriptions and illustrations provided in this manual have been carefully prepared but we reserve the right to make changes

and improvements in our products that may affect the accuracy of the information contained in this manual.

IMPORTANT NOTICE

For the first year all of our appliances are protected by our manufacturer’s guarantee which covers both parts and

labour.

As you would expect from Sime Ltd, it is our aim to provide our valued customers with the best in after sales and

service.

To take advantage of any extended warranty offered, all you have to do is to adhere to these 3 simple conditions:

• The installation must be carried out to Manufacturers/Benchmark Standards by a Gas Safe Registered

Engineer, and recorded in the installation manual.

• The appliance must be registered with both Sime Ltd and Gas Safe within 30 days of installation.

• The appliance must be serviced annually, by either Sime Ltd or a Gas Safe registered engineer- ensuring that the

Benchmark service record in the installation manual is completed.

Failure to comply with the above will result in only the 12 month warranty being offered.

In the absence of any proof of purchase, the 12 month warranty period will commence from the date of manufacture

of the boiler as shown on the appliance data plate.

The Benchmark Scheme

Sime Ltd is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and

commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimi-

se safety, efficiency and performance.

Benchmark is managed and promoted by the Heating and Hotwater Industry Council.

For more information visit www.centralheating.co.uk

Please ensure that the installer has fully completed the Benchmark Checklist on the inside back pages of the

installation instructions supplied with the product and that you have signed it to say that you have received a full

and clear explanation of its operation.

The installer is legally required to complete a commissioning checklist as a means of complyng with the appropria-

te Building Regulations (England and Wales).

All installations must be notified to Local Area Building Control either directly or through a Competent Persons

Scheme.

A Building Regulations Compliance Certificate will then be issued to the customer who should, on receipt, write the

Notification Number on the Benchmark Checklist.

This product should be serviced regularly to optimise its safety, efficiency and performance.

The service engineer should complete the relevant Service Record on the Benchmark Checklist after each service.

The Benchmark Checklist may be required in the event of any warranty work and as supporting documentation

relating to home improvements in the optional documents section of the Home Information Pack.

CONTENTS

VERY IMPORTANT!

PLEASE MAKE SURE YOUR BENCHMARK CHECKLIST IN THE

INSTALLATION GUIDE, IS FILLED IN CORRECTLY.

ALL GAS SAFE REGISTER INSTALLERS CARRY A ID CARD.

THE REGISTRATION NUMBER SHOULD BE

RECORDED ON THE CHECK LIST.

YOU CAN CHECK YOUR INSTALLER IS GAS SAFE

REGISTERED BY CALLING ON 0800 408 5577

OPERATING INSTRUCTIONS FOR THE USER

1.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2 APPLIANCE OPERATION

1.3 LIGHTING AND OPERATION

1.4 ERRORS AND SOLUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.5 MINIMUM CLEARANCES

1.6 ROUTINE SERVICING

1.7 ELECTRICAL SUPPLY

1.8 VENTILATION

1.9 SAFETY

2.0 INSTRUCTIONS FOR PROGRAMMING MECHANICAL CLOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Metropolis DGT 25 BF:

Gas Council number 47-283-22

This appliance complies with the S.E.D.B.U.K. scheme, band “D”

OPERATING INSTRUCTIONS FOR THE USER

THE GAS SAFETY (INSTALLATION AND

USE) REGULATIONS 1996. It is the law

that all gas appliances are installed by

a registered person, in accordance

with the above regulations. Failure to

install appliances correctly could lead

to prosecution. It is in your own inter-

est, and that of safety, to ensure that

the law is complied with.

It is essential that the appliance is

correctly earthed. An electricity sup-

ply of 240 V - 50 Hz fused at 3 A is

required.

Read these instructions carefully

before attempting to operate the appli-

ance.

1.1 INTRODUCTION

The Sime “METROPOLIS DGT 25 BF”

is a fully automatic, wall mounted,

room sealed, fan assisted range of

combination boilers. When operating

in winter mode, the appliance provides

central heating as required and pro-

duces instantaneous hot water upon

demand.

When operating in summer mode, the

central heating is not operational how-

ever the appliance continues to supply

hot water whenever it is required.

1.2 APPLIANCE OPERATION

A demand of hot water will be sensed

by the appliance detecting water flow

(providing that the flow rate is above 2

l/m - 0.5 gal/min).

The fan will start

and the burner will light at full output.

If the draw off rate is near the maxi-

mum design flow rate the appliance

will run continuously at full output

until a tap is either turned off or the

flow rate is reduced in which case

the heat output will reduce accord-

ingly to maintain a steady tempera-

ture.

Hot water is made available almost

immediately at the appliance outlet,

but the final temperature and time

taken for the hot water to reach a tap

depends upon the potentiometer set-

ting, the rate at which water is drawn

off, and the length of the pipe between

the boiler and the tap.

When the tap is turned off, the appli-

ance will revert to C.H. mode (if set on

winter position) otherwise the burner

will be extinguished pending the next

demand for hot water.

1.3 LIGHTING AND OPERATION

1.3.1 BOILER IGNITION (fig. 25)

The first ignition of the boiler must be car-

ried out by qualified technical personnel.

When it is necessary to restart the boiler

follow this procedure.

Ensure the gas supply is turned on.

Turn on the electrical supply, a green LED

illuminate.

After a delay of 30 seconds the boiler

should resume operation.

Winter

Press the key of the controls to activa-

te the winter mode functioning (heating and

D.H.W.). The display will be as shown below.

Summer

Press the key of the controls to activate

the summer mode functioning (only the produc-

tion D.H.W.). The display will be as shown below.

Fig. 25

ATTENTION: Use the keys to alter the value of any function, a beep indicates

that a change was accepted. The display will remain lit for 15 minutes(PAR 5

default).

KEYS LOCK: if the device is not used, the keys will be locked 15 minutes after the last setting was made (PAR 5 by

default) and the display light switches off.

To set one of the operating modes, press any of the keys for more than two seconds (the display will indicate one to

four segments progressively before unlocking the controls).

1.3.2 REGULATION OF THE WATER

TEMPERATURE FOR HEATING

(fig. 26)

To set the temperature of the central hea-

ting, press the key of the controls .

The display will be as shown in the figure.

Change the values with the key ( and

). Standard display will return by pres-

sing the key again, or after 10 seconds

if no key is pressed.

Regulation of the external sensor

If an external sensor is installed, the value

of the output temperature is automatically

chosen by the system, which quickly adjusts

the of flow temperature on the basis of the

external temperature.

If you wish to change the value of the tem-

perature, increasing or decreasing that cal-

culated automatically by the electronic

card, proceed as indicated in the preceding

paragraph.

The level of various correction of a value of

temperature proportional calculated. The

display will be as shown in fig. 26/a.

1.3.3 REGULATION OF THE D.H.W.

TEMPERATURE (fig. 27)

To set the desired temperature D.H.W.,

press the key of the controls.

The display will be as shown in the figure.

Change the values with the key ( and ).

The display will return by pressing the key

again, or after 10 seconds if no key is

pressed.

1.3.4 TO SWITCH OFF THE BOILER

(fig. 28)

In the case of a short absence, press more

than two seconds the standby key . The

display will be as shown in figure (boiler in

stand-by). In this way, leaving the electricity

and the gas supply connected, the boiler is

protected from frost and from the pump

becoming jammed.

If the boiler is not used for a prolonged

period, it is advisable to disconnect the

electricity supply, by switching off the main

switch of the system, and to close the gas

tap and, if low temperatures are expected,

to completely drain the hydraulic circuits to

avoid frost damage.

NOTE:

On mobile and park homes the heating cir-

cuit may be filled with a antifreeze solution.

It will not be necessary to drain the heating

circuit provided that the solution is of the

correct concentration.

Fig. 26

Fig. 26/a

Fig. 28

Fig. 27

1.4 ERRORS AND SOLUTIONS

When there is a functioning error, the

display controls shows and red led.

Descriptions of the anomalies with the rela-

tive alarms and solutions are given below:

–AL 01 (fig. 29)

Press the key of the controls to re-

start the boiler.

If the error persists, request the atten-

tion of qualified technical personnel.

–AL 02

If the water pressure detected is lower

than 0.5 bar, the boiler will stop and the

display will show “AL 02”.

Using the external filling loop, re-pressu-

rise the boiler to between 1and 1.2 bar.

Constantly having to re-pressurise the

system would indicate a leak on the

system. This should be investigated and

corrected as soon as possible, and if

required the antifreeze solution checked.

–AL 04

Request assistance from qualified

technical personnel.

–AL 05

Request assistance from qualified

technical personnel.

–AL 06 (fig. 29/b)

Press the key of the controls to re-

start the boiler.

If the error persists, request assistance

from qualified technical personnel.

–AL 07 (fig. 29/c)

Press the key of the controls to re-

start the boiler.

If the error persists, request assistan-

ce from qualified technical personnel.

–AL 08

Request assistance from qualified

technical personnel.

–AL 10

Request assistance from qualified

technical personnel.

–AL 11

Request assistance from qualified

technical personnel.

–AL 12

Request assistance from qualified

technical personnel.

–AL 16 (fig. 29/d)

Press the key of the controls to re-

start the boiler.

If the error persists, request assistan-

ce from qualified technical personnel.

–AL 17

Request assistance from qualified

technical personnel.

1.5 MINIMUM CLEARANCES

The following MINIMUM CLEARANCES

must be available for servicing the

appliance:

1.6 ROUTINE SERVICING

To ensure continued efficient opera-

tion of the appliance, it is recommend-

ed that it is checked and serviced at

regular intervals.

The frequency of servicing will depend

upon the particular installation condi-

tions and usage but in general once a

year should be adequate. It is the law

that any service work must be carried

out by a Gas Safe Register registered

engineer (the appliance must be ser-

viced annually as a condition of its war-

ranty).

1.7 ELECTRICAL SUPPLY

THIS APPLIANCE MUST BE EARTHED.

The mains supply must be fused at 3

amp.

1.8 VENTILATION

If the appliance is installed in a cabinet,

it MUST NOT be used for storage pur-

poses. Any ventilation provided for the

appliance during installation MUST

NOT be blocked and a periodic check

must be made to ensure that the

vents are free from obstructions.

1.8.1 Cleaning

Use only a damp cloth and mild deter-

gent to clean the appliance outer cas-

ing. DO NOT use abrasive cleaners.

1.9 SAFETY

It is essential that the instructions in

this booklet are strictly followed for

the safe and economical operation of

this appliance.

The appliance functions as a fan

assisted balanced flue unit.

The flue terminal MUST NOT BE

OBSTRUCTED under any circum-

stances.

Fig. 29

Fig. 29/b

Fig. 29/c

Fig. 29/d

For ventilation For servicing

ABOVE THE

APPLIANCE CASING 200 mm 300 mm

AT THE R.H.S. 15 m m 15 m m

AT THE L.H.S. 15 m m 15 m m

BELOW THE

APPLIANCE CASING 200 mm 200 mm

IN FRONT OF THE

APPLIANCE 350 mm 500 mm

If damaged, turn off the appliance and

consult the installer, service engineer,

or gas supplier.

If it is known or suspected that a fault

exists on the appliance it MUST NOT

be used until the fault has been recti-

fied by a competent person.

WARNING:

IF A GAS LEAK IS SUSPECTED OR

EXISTS, TURN OFF THE GAS SUPPLY

AT THE METER OR IN THE CASE OF

LPG AT THE CYLINDERS.

DO NOT OPERATE ANY ELECTRICAL

SWITCHES.

DO NOT OPERATE ANY ELECTRICAL

APPLIANCE.

OPEN ALL WINDOWS AND DOORS.

DO NOT SMOKE. EXTINGUISH ALL

NAKED LIGHTS. CONTACT THE

NATIONAL GAS EMERGENCY SER-

VICE IMMEDIATLEY ON

0800111999.

2.0 INSTRUCTIONS FOR

PROGRAMMING

MECHANICAL TIME CLOCK

(Fig. 30)

Setting the time

The time of day can be set by grasping the

outer edge of the grey dial and turning it in

a clockwise direction until the correct time

is in line with the white pointer.

Setting the “switching time”

The “ON” periods are set by sliding the grey

tappets, adjacent to the time periods

required, to the outer edge of the dial.

The tappets that remain at the centre of

the dial will be the “OFF” periods.

N.B.: The smallest switching time (ON or

OFF) is 15 minutes. The Winter (heating)

mode must be selected..

Fig. 30

(O)

Slide blue tappets

OUT for ONperiod

Slide blue tappets IN for OFF period

Mode selector switch

Slide grey tap-

pets OUT

= ON period

Slide grey tappets IN = OFF period

Heating OFF (O)

Heating

PROGRAMMIED

Heating ON (I)

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