Baxi Solo WM 30/4 PF Bedienungsanleitung

Supplied by freeboilermanuals.com

BS 5258



BS 6332

Safety & Performance

Baxi heating is one of the leading manufacturers of

.tdomestic heating products in the U.K

Our first priority is to give a high quality service to

our customers. Quality is built into every Baxi

, product - products which fulfil the demands

and needs of modern consumers, offering

choice, efficiency and reliability.

To keep ahead of changing trends, we have

made a commitment to develop new ideas using

the latest technology - with the aim to continue

making the products that customers want to buy.

Baxi is also the largest manufacturing partnership

•

in the country. Everyone who works at the

company has a commitment to quality because, as

•

shareholders, we know that satisfied customers

- mean continued success.

We hope you get a satisfactory service from

Baxi. If not, please let us know.

BS 5750 Company

1:91.(e-

CONTENTS

Introduction

Technical Data

System Details

Site Requirements

Installation

Water Circulation Systems

Pipework

System Controls

Low Head Installation

Sealed Systems

Location

Clearances

Flue Position

Rue Dimensions

Ventilation

Compartments

Gas Supply

Electrical Supply

Initial PreparationPreparation

Rear Flue

Flue Preparation

Assembly

Flue

Fitting the Back Plate

Left or Right Flue

Flue Preparation

Assembly

Flue

Fitting the Back Plate

Terminal Guard

Fining a Terminal Guard

Internal Fitting Kit

Electrical Connections

Fining the Combustion Box

Water Connections

Pipe Routes

Gas Connection

Commissioning the Appliance

Fitting the Outer Case

Overheat Cut-Off Device

Annual Servicing

Changing Components

^<1-t..

1;14



g ,-trreiirgsivircitalemtro

Cleaning the Combustion Box

Cleaning the Burner/Injector

Cleaning the Pilot



AIEBEEIZZIEZZE

Pilot Injector

Ignition Electrode

Fan

Pressure Switch

Boiler Thermostat

Control Board/Electrode Lead

Overheat Thermostat

Insulation Panel Door

Burner and Injector

Insulation Panel Combustion Box

Gas Valve

Fault Finding

Short Parts List

‘



4--I.W.7:41-

INTRODUCTION

The Baxi Solo is a gas fired room sealed fan

assisted central heating boiler with range rated

outputs as shown in the table below.

.:.:7.,

.i:1,3saTtlir

-;-..-1•.•,,a

• -

r.,..?,15::41]lfrrii.;.;.,:).,t1.,

6.15kW(21 000 Btu/h)

8 79kW(30 000 Btu/h)

9.08kW(31 000 Btu/h)

11.72kW(40 000 Btu/h)



12.02kW(41 000 Btu/h)

14.65kW(50 000 Btu/h)

15.00kW(51 000 Btu/h)

20.5kW(70 000 Btu/h)

Each appliance is prese at its MAXIMUM

hea input rating and is designed for use on

NATURAL GAS only.

...AB boilers are suitable for fully pumped open

vented central heating and domestic hot water

•

systems and sealed, systems, or where

additional control protection

required.

The standard flue is adjustable in length between

100mm (4in) and 610mm (24in) to the left or rear

but the maximum length to the right is reduced to

533mm (21in)(70/4 only-483mm (19in)). Flue

extension kits are available which increase these

maximum dimensions to 2 metres (78

in) for left

or rear and 1.92 metres (75

in) (70/4 only-1.873

metres (73

in)) for right.

NOTE: All above dimensions are taken from the

respective faces of the outercase/backplate.

The appliance data badge is fitted to the combustion

box door.

:Inpitallation;

.4 • A,

The installation must be carried out by a competent

person and be in accordance with the relevant

requirements of the GAS SAFETY (Installation and

Use) REGULATIONS 1984, the BUILDING

REGULATIONS (Scotland)(Consolidation), the LOCAL

BUILDING REGULATIONS, the CURRENT I.E.E.

WIRING REGULATIONS and the bye laws of the

LOCAL WATER UNDERTAKING. It should also be in

accordance with the relevant BRITSH STANDARD

CODES OF PRACTICE.

13;Sfiebeles,of,Praadtid:e

STANDARDaSCOPai

85 6891:1988



Gas Installation.

BS 5546



Installation of hot water

supplies for domestic

purposes.

88 5449 Part 1



Forced cirulation hot

water systems.

BS 6798



Installation of gas fired

hot water boilers.

BS 5440 Part 1



Rues.

855440 Part 2



Air Supply.

Internal Fuse

F2A 250V to BS 4256

situated on control board

(spare fuse also located

on control board)

Connections

2 x 22mm

compression adaptors

Gas Rate

(after 10 mins)

Outerease

Dimensions

1.08m3/h

(38.05113/h)

Height



600mm

Width



400mm

Depth



300mm

Flue Terminal

Dimensions

Diameter 100mm

Depth



65mm

Heat Input

Max

Min

Lifting Weight

•



11.56

8.32

Water Content

Btu/h 39500

28 400

Static Head

Heat Output

Max

Min

metres

8.79 6.15

feet

Btuth

SO 000

21 000

Low Head

Burner Pressure



Max

Min

System Design

mbar

15.8±0.5

7.7 ±0.5

in wg

6.3

0.2

3.1 =0.2

Gas Connection

RC7

('/in BSPT)

Electrical Supply 240V-50H2 fused 3A

- 32W

Controls



on/off boiler thermostat /

pump over-run with pilot

and electronic flame

sensing

Heat Exchanger cast iron monobloc

I 1

C Drop 8.79 kW Output

rn-

(4)

20°F Drop 30 000 131u/h Output

max Flow

11.45 litres/mm

(2) 5

12.52 gal/min)



4.5



13.5

(

)



131

Water Flow litres/mm

n (gal/min)

Hydraulic Resistance Chart

27.5 kg (60.6 lbs)

1.85 litres (0.407 gals)

Max



Min



100



3.25

Min 0.2m (8 in)

fully pumped open

vented and sealed

systems.

Max

51 200

Min

11.94

40 700

Heat Input

Btu/h

Max

11.72

40 000

Min

9.08

31 000

Heat Output

Btu/h

Min

10.2 =0.5

4.1



0.2

Burner Pressure Max

mbar



16.6 ± 0.6

in wg



6.6 0.2

Internal Fuse

F2A 250V to BS

4256

situated

on control board

(spare fuse also located

on control board)

Gas Connection

RC'/

(

in BSPT)

Electrical Supply 240V-50Hz fused 3A

- 32W

Controls on/off boiler thermostat /

pump over-run with pilot

and electronic flame

sensing



•

Connections

Gas Rate

(after

mins)

Flue Terminal

Dimensions

2 x 22mm

compression

1.40m3/h

(49.33t13/h)

Height

Width

Depth

Diameter

Depth

adaptors

-1

max Flow

(4)

15.27 Mres/rnin

(3.36 gal/min)

600mm

(2)

400mm

300mm



4.5



13.5



•



100mm

(1)



(2)



(4)

65mm

Water Flow litres/min tgailmin)

Hydraulic Resistance Chart

Outerease

Dimensions

Lifting Weight

27.5 kg (60.6 lbs)

Water Content



1.85 litres (0.407 gals)

Static Head

Max



Min

metres

Clearances

feet

100

3.25

System Design

fully pumped open

vented and sealed

systems.

X50

Heat Exchanger cast iron monobloc

0 Drop 11.72 kW Output

ggoc Drop 40 000 BW/h Output

rth (6) 15

Low Head

MM 0.2m (8 in)

TECHNICAL DATA

P9):V4

(4)

(2) 5

Lifting Weight

27.5 kg (60.6 lbs)

Water Content



1.85 litres (0.407 gals)

Static Head

metres

MM 0.25m (10 in)

fully pumped open

vented and sealed

systems.

Heat Exchanger cast iron monobloc

22mm

compression adaptors

1.77m3/h

(62.5583/h)

Height



600mm

Width



400mm

Depth



300mm

Flue Terminal



Diameter 100mm

Dimensions



Depth



65mm

Clearances

0 Drop 14.65 kW Output

20°F Drop 50 CO0 Btuth Output

max

Flow

19 litres/min

(4.2 gal/min)



4.5



13.5



(1)

(2)



(3)



(4)

Water Flow litres/min (gal/mln)

Hydraulic Resistance Chart

Max

Min

Low Head

System Design

Connections

Gas Rate

(after

mins)

Outercase

Dimensions

feet

100

3.25

Max

26.6

90 900

Min

20.2

68 900:

Heat Input

Btu/h

Lifting Weight

32.8 kg (72.3 lbs)

MM 0.2m (8 in)

Low Head

Diameter

Depth

Flue Terminal

Dimensions

Internal Fuse

F2A 250V to BS 4256

situated on control board

(spare fuse also located

on control board)

Controls

on/off boiler thermostat /

pump over-run with pilot

and electronic flame

sensing

Height

Width

Depth

600mm

470mm

300mm

100mm

65mm

Static Head

Max



Min

Max

Min

Heat Output

Blu/h

metres



Clearances

20.5

feet

100



3.25

70 000

51 000

Burner Pressure

mbar

in wg

Max

13 = 0.5

5.2 = 0.2

Min

7-±a5 •

2.8 = 0.2

System Design

fully pumped open

vented and sealed

systems.

Gas Connection RC

('/

in BSPT)

Electrical Supply 240V-50Hz fused 3A

- 32W

2 x 28mm

compression adaptors

2.48m3/h

(87.5783/h)

11°C Drop 20.5 kW Output

20°F Drop 70 000 Btu/h Output

(6) l5

(4) 10-

(2) 5 -

max Flow

26.8 litres/min

(5.9 gal/min),



9 13.5

22.5 27

(2)

(

)



(

)



(8)

Water Flow litres/min (gal/min)

Hydraulic Resistance Chart

Water Content



2.76 litres (0.61 gals)

Heat Exchanger cast iron monobloc

Connections

Gas Rate

(after 10 mins)

Outercase

Dimensions

Heat Input



Max



Min



Btu/h



65 000



54 600

Heat Output Max



Min



14E5



12.02

Btu/h



50 000



41 000

Burner Pressure Max



Min

mbar



15.3 = 0.5 107

in wg



6.1 = 0.2 4.3 = 0.2

Gas Connection RC'/

(

in BSPT)

Electrical Supply 240V-50Hz fused 3A

- 32W

Internal Fuse F2A 250V to BS 4256

situated on control board

(spare fuse also located

on control board)

Controls on/off boiler thermostat /

pump over-run with pilot

and electronic flame

sensing

treS6Y9N



System Drains at

All Low Points 15mm By-pass

if required

SYSTEM DETAILS

The appliance is suitable for use with open vent fully

pumped systems, sealed systems and where

additional control protection is required.

•

The following conditions should be observed on all

systems:

()The static head must not exceed 30 m

(100ft) of water.

•The boiler must not be used with a

direct cylinder.

0The boiler is fitted with a pump

overrun thermostat and where the

system design does not result in a

permanent open circuit between boiler

flow and return, a 15mm by-pass loop,

fitted with a lockshield valve, must be

incorporated to maintain a minimum

flow rate through the boiler of

1/min

(1.54 gal/min).

•

Drain cocks should be fitted to all

system low points.

Ptp,



cteta

Pumped SI-

OPosition isolating valves as close to circulating pump

as possible.

System additives - where used, corrosion inhibitors

and flushing agents/descalers should be suitable for

all system metals. They should be acceptable to major

users i.e. British Gas and Water Council approved. Non

acidity or alkalinity is desirable.

The sizes of flow and return pipes from the boiler

should be determined by normal methods, according

to the requirements of the system.

It Is recommended that the system is designed for an

11°C (20°F) drop in temperature across the system.

22mm Open Vent

15mm

Cold

Feed

Air Vent

-gt

Radiator

Circuit

0 All gas and water pipes and electrical wiring

must be installed in a way which would not restrict

the servicing of the boiler.

Indirect

Cylinder

360mm Min

(50/4 only)

125mm

ri').

;;;;O

Viltgl

For optimum operating conditions, the heating system

'into which the boiler is installed should include a

control system.

Such a system will comprise of timer control and a

separate room or cylinder thermostat as appropriate.

The boiler should be controlled so that it operates on

demand only.

Operation of the system under control of the boiler

thermostat only, does not produce the best results.

Where necessary a frost thermostat should be fitted to

protect the boiler and if necessary the system.

Reference should be made to the control equipment

manufacturer's literature for information e.g. wiring

•

diagrams, etc.

175mrn Min

(225mm Min

50/4 only)

For Minimum

Operating Head

See Pump

Manufacturers

Instructions

538mm Min

150mm Max

22mm Open Vent

(30-40/4 only)

28mm Open Vent

(50-70/4 only)

100mm Min

Return

Row '1 I



0(t

Head Insta

lla

•

A guide to a fully pumped low head installation is

shown, subject to: The correct gas input and the pump

being adjusted to give the design flow rate, (i.e. 11°C

(20°F) Drop). It is important to ensure a route back to

the boiler for the cold feed via the system, a bypass or

3 port valve control system would satisfy this

requirement.

The diagram shows a method of installation where the

static head between the boiler and feed/expansion

tank is restricted e.g. between ceiling level and a

•

kitchen work top.

It is important that the open vent pipe is taken off the

flow pipe in the manner illustrated i.e. by means of a

tee in a horizontal section of the flow pipe.

An alternative approach would involve the use of the

boiler, which is fitted with an overheat thermostat, in

conjunction with a combined feed and vent

arrangement.

Pressure

Gauge

Filling

Point

Pump

V I

Expansion

Vessel

Radiator

Circuit

Safety

Valve

Vent

3 Litre

Top Up Bottle

(If Required)

A safety valve complying with the requirements of

BS 6750 Part 1 must be fitted close to the boiler on the

flow pipe by means of a horizontal or vertically upward

connection with no intervening valve or restrictions and

should be positioned to facilitate testing. The valve

should be pre-set and non-adjustable to operate at a

pressure of 3 bar (45 lbf/In9. It must be arranged to

discharge any water or steam through a pipe to a

safe outlet position.



IUSERMIESEMBEEMES

A pressure gauge of minimum range 0-4 bar

(0-60 lbf/In

) with a fill pressure indicator

must be fitted to the system, preferably at the

same point as the expansion vessel in an

easily visible position.

An expansion vessel complying with the

requirements of BS 4814 must be fitted to the

system by means of a connection close to the

inlet side of the circulating pump in accordance

with the manufacturers instructions, the

connecting pipe being unrestricted and not less

than 15mm

(

in) nominal size. The volume of the

vessel should be suitable for the system water content

and the nitrogen or air charge pressure should not be

less than the system static head. Further details of

sealed system design can be obtained from BS 5449:

Part 1 and the British Gas publication entitled

'Specifications for Domestic Wet Central Heating

Systems'.

I*4111.101W4.13/4.



System Drains

at Low Points

Max Boiler Flow

Temp = 82°C

cot

miciiii

*volytiikurn



•

oll

-"icsin

4713a4 %-f-9--r-e-44

.7-

-it2-9,,terP

'co..



7 --Pe;

.4115.09'ie

404.-k



I--

Vessel Charge

Pressure (Bar)

Initial System

Pressure (Bar)

Multiply Total

Water Content

Of System by

(Litres)

0.5 -'



0.5

1.0

1.5

2.0

0.067

0.112

0.207

0.441

1.0

1.5

2.0

0.087

0.152

0.330

1.5

2.0

0.125

0.265

Vetherohardtplessure

nitialljjlein-preicute

Ekpans

yatem_volume

0' 5



raire

e n

41,6

'Op Oa



NOTE

of the calce‘

-1

0‘

-9

ble

siz

e

then the neXt

-nould be used.

- 0 10,i-

A filling point and an approved stop valve to BS 1010

must be fitted at low level and the method used for

fillingthe system should be approved by the local

Water undertaking. For further details see BS 6798.

afAXEMEISYSIEMEMENZEMES

A method of replacin9 water lost from the system

should be provided either by means of a make up

vessel of not more than 3 litres (5 pints) capacity,

mounted above the highest point of the system, or by

pre-pressurisation of the system.

A method of venting the system during filling and

commissioning must be provided by fitting automatic

air vents or by venting manually.

-Worn

Am; .

tom

The hot water storage vessel must be of the indirect

coil type. All components used in the system must be

suitable for operation at 110°C (230°F) and at the

pressure allowed by the safety valve.

SITE REQUIREMENTS

he appliance maY be fitted to any suitable wall with

the flue passing through .an outside wall and

.discharging to atmosphere in a position permitting

7 "[Satisfactory removal of combustion products and

fProviding an adequate air

supply. The appliance

:.should be fitted within the building unless otherwise

::protected by a suitable enclosure ie. garage or

'.:.cauthouse.

lithe appliance is to be fitted into a building of timber

::frarne construction then reference must be made to

.:British Gas document DM2.

RecornmendatiOnS for flues are given in BS 5440 Pt. 1.

'SS

A flat vertical area

required for the installation of the

'boiler measuring aS shown in the table below for each

Height



Width

Model

mm (in) mm (in)

30/4

800 (31

)

410 (161/)

40/4

800(311/2)

410 (161/8)

50/4

800(3172)

410(15h/)

70/4

850 (337

)

480 (1874)

obstructions such as joists running

parallel to the front face of the appliance.

clearances to the side of the installation equal to the

length of the flue reqUired including the terminal (ie flue

length + 65mm (2V2in)).

Model:

These dimensions include the

'necessary clearances around the

appliance for case removal, spanner

access, air movement:

Additional clearances may be required

for the passage of pipes around local

Installations flued to the left or right require extra

(SNP

An internal fitting kit is provided with the appliance for

installations where the flue terminal is inaccessible

from the outside.

The following guide lines indicate the general

.requirements for siting balanced flue terminals.

If the terminal is fitted within-1 metre (39in) of a plastic

gutter, within 500mm (197

in) of a painted eave or a

painted gutter, an aluminium shield of at least 1 metre

(39in) long should be fitted to the underside of the

gutter or painted surface. An air space of 5mm (116in)

should be left between shield and gutter.

If the terminal discharges onto a pathway or

passageway, check that combustion products will not

cause a nuisance and that the terminal will not obstruct

the passageway.

If the outer surface of an outside wall is of combustible

material, it should be protected by fitting a non-

combustible plate so that it extends not less than

50mm (2in) around the terminal.

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