Glowworm Space Saver K.F.B 60 Guida utente

Supplied By www.heating spares.co Tel. 0161 620 6677

Hepworth Heating Ltd.,

Nottingham Road, Belper, Derbyshire. DE56 1JT

General/Sales enquiries:

Tel: (01773) 824141 Fax: (01773) 820569

One Contact Local Service

Customer Services:

Tel: (01773) 828100

Fax: (01773) 828070

This is a Cat I2H Appliance

BS 6332

BS 5258

Fully Pumped system.

Open Vented or Sealed.

Fanned Flue

Boiler

4757

S P A C E S A V E R

K .F .B

60 GC 41 319 11

70 GC 41 319 12

220692C.01.98.

To be left with user

Installation and Servicing Instructions

Supplied By www.heating spares.co Tel. 0161 620 6677

220692C

SECTION

Section Title Page No

GENERAL ............................... 3

WATER SYSTEMS .................. 7

BOILER LOCATION ................ 11

FLUE and VENTILATION ........ 13

FLUE INSTALLATION ............. 15

INSTALLATION ....................... 21

COMPLETION

and COMMISSIONING ........... 29

FRONT PANEL

ASSEMBLY ............................ 34

USER INFORMATION ............ 35

SERVICING ............................ 36

FAULT FINDING ..................... 41

REPLACEMENT

OF PARTS .............................. 46

SPARES ................................. 51

Contents Location Map

Information for the Installer and Service Engineer

Under Section 6 of The Health and Safety at Work Act 1974, we are required to provide information on substances hazardous to health.

The adhesives and sealants used in this appliance are cured and give no known hazard in this state.

Insulation and Seals

Ceramic fibre and glass fibre used in insulation panels, rope and gaskets.

These can cause irritation to skin, eyes and the respiratory tract.

If you have a history of skin complaint you may be susceptible to irritation. High dust levels are usual only if the material is broken.

Normal handling should not cause discomfort, but follow normal good hygiene and wash your hands before eating, drinking or going to the

lavatory.

If you do suffer irritation to the eyes or severe irritation to the skin seek medical attention.

Thermostat

This contains a very small amount of xylene in the sealed phial and capillary. If broken, under normal circumstances the fluid does not

cause a problem, but in cases of skin contact, wash with cold water.

If swallowed drink plenty of water and seek medical attention.

Cut-Off Devices

These contain activated charcoal and a very small amount of chlorodifluormethane in the sealed phial and capillary.

If broken, under normal circumstances the fluid does not cause a problem.

If there is irritation to the eyes or skin then seek medical attention.

Control ofSubstances Hazardous to Health

BELPER

Milford

Site

A6 DERBY

MILFORD

A6 MATLOCK

A519 ASHBOURNE

B6013 RIPLEY

A609 NOTTINGHAM

Nottingham Rd

Site

Belper and Milford

Factory Sites

Belper

2890

Supplied By www.heating spares.co Tel. 0161 620 6677

3220692C

SECTION

General 1

3060

The instructions consist of two parts,

Installation and Servicing Instructions

and Instructions for Use, which includes

the Guarantee Registration Card. The

instructions are an integral part of the

appliance and must, to comply with the

current issue of the Gas Safety

(Installations and Use) Regulations,be

handed to the user on completion of

the installation.

Important Notices

This boiler is for use on natural gas

(G20) as distributed in the United

Kingdom and cannot be used on any

other gas.

Wherever possible, all materials,

appliances and components to be used

shall comply with the requirements of

applicable British Standards.

Where no British Standard exists,

materials and equipment should be fit for

their purpose and of suitable quality and

workmanship.

This boiler must have fully pumped

circuits, but is suitable for use with open

vented or sealed water systems.

This boiler is not suitable for outdoor

locations.

Sheet Metal Parts

WARNING. When installing or

servicing the boiler care should be taken

when handling sheet metal parts to avoid

any possibility of personal injury.

Statutory

Requirements

The installation of the boiler MUST be

carried out by a competent person in

accordance with the relevant

requirements of the current issue of:

Manufacturer’s instructions supplied.

70 35

R F

WATER CONNECTIONS

28mm COMPRESSIONS

GAS CONNECTION

Rc1/2(1/2"B.S.P.T.)

TOP VIEW

450

285-

315

SIDE

FLUE

OUTLET

130

700-

728

125

458

FRONT VIEW

445

155

125

SIDE VIEW

REAR

FLUE

OUTLET 687

FRONT VIEW

BOILER OUTLINE

102

FLUE

TERMINAL

DETAIL

ALL DIMENSIONS ARE IN MILLIMETRES

Supplied By www.heating spares.co Tel. 0161 620 6677

220692C

SECTION

General

The Gas Safety (Installation and Use)

Regulations, The Building Regulations,

The Building Standards (Scotland)

Regulations, (applicable in Scotland)

Local Water Company Bye-laws, Health

and Safety at Work Act, Control of

Substances Hazardous to Health, The

Electricity at Work Regulations and any

applicable local regulations.

Detailed recommendations are

contained in the current issue of the

following British Standards and Codes

of Practice, BS6798, BS5440 Part 1 and

2, BS6700, BS5449, BS6891, BS4814,

BS7074 Part 1 and 2, BS5446, BS7478,

BS7593, BS7671.

Manufacturer’s notes must not be taken

as overriding statutory requirements.

B.S.I. Certification

The boiler is certificated to the current

issue of BS6332 Part 1, invoking the

current issue of BS5258 Part 1 for

performance and safety. It is, therefore,

important that no alteration is made to

the boiler without permission, in

writing, from Hepworth Heating Ltd.

Any alteration that is not approved by

Hepworth Heating Ltd., could invalidate

the B.S.I. Certification of the boiler, the

warranty and could also infringe the

current issue of the Statutory

Requirements.

CE Mark

The CE Mark on this appliance shows

compliance with Directive 90/396/EEC

on the approximation of the Laws of the

Member States relating to appliances

burning gaseous fuels.

The CE Mark on this appliance shows

compliance with Directive 73/23/EEC

on the harmonization of the Laws of the

Member States relating to electrical

equipment designed for use within

certain voltage limits.

Supplied By www.heating spares.co Tel. 0161 620 6677

5220692C

SECTION

General 1

Range Rating

The boiler is range rated and may be

adjusted to suit individual system

requirements, refer to the relevant

column of the table.

DataTable

in wg 5.6 5.9

mbar 14.0 14.6

Btu/h 50000 60000

kW 14.66 17.59

in wg 4.9 5.2

mbar 12.2 13.0

in wg 4.2 4.6

mbar 10.6 11.4

Btu/h 60000 70000

kW 17.59 20.52

Btu/h 55000 65000

kW 16.12 19.05

Nominal min

Heat med

Input max

(Gross)

Nominal min

Heat med

Ouput max

Burner min

Setting med

Pressure max

Space Saver Space Saver

Range Rating K.F.B K.F.B

60 70

Btu/h 70064 84416

kW 20.54 24.74

Btu/h 75000 89709

kW 21.98 26.29

Btu/h 64935 78947

kW 19.03 23.14

Data Label Position

3038

Space Saver Space Saver

Model K.F.B K.F.B

60 70

Lifting 32.4kg 32.4kg

Weight (71.4lb) (71.4lb)

Total 46.1kg 46.1kg

Weight (dry)* (101.6lb) (101.6lb)

Water 2.13 litres 2.13 litres

Content (0.47 gal) (0.47 gal)

Gas Rc1/2Rc1/2

Connection (1/2" BSPT) (1/2" BSPT)

Water 28mm 28mm

Connection Compression Compression

Electrical 240V~50Hz fused 3A max

supply

Internal Fuse to BS4265 sheet 2. Type F1A

Fuse Rating

Power rating 55W

* Note: The weight of the water is negligible

Space Saver K.F.B 70

G.C. Number 41 319 12

Space Saver K.F.B 60

G.C. Number 41 319 11

Supplied By www.heating spares.co Tel. 0161 620 6677

220692C

SECTION

General

Gas Supply

Electrical Supply

SafetyValve

The gas installation shall be in accordance with the

current issue of BS6891.

The supply from the governed meter must be of

adequate size to provide a steady inlet working

pressure of 20mbar (8in wg) at the boiler.

On completion test the gas installation for soundness

using the pressure drop method and suitable leak

detection fluid, purge in accordance with the above

standard.

WARNING. THIS BOILER MUST BE EARTHED.

All system components shall be of an approved type

and shall be connected in accordance with the current

issue of BS7671 and any applicable local regulations.

Connection of the boiler and system controls to the

mains supply must be through a common isolator and

must be fused 3A maximum. The method of

connection should be, preferably, an unswitched

shuttered socket outlet and 3 pin plug, both to the

current issue of BS1363.

Alternatively, a double pole isolating switch may be

used, provided it has a minimum contact separation

of 3mm in both poles. The isolator should be clearly

marked showing its purpose. See also Section 6,

Electrical Connection and System Controls.

Wiring to the boiler must be to the current issue of

BS6500 Table 16, not less than 0.75mm2(24/

0.20mm).

The boiler is provided with a draining tap at the

lower right hand side for draining the heat exchanger

in the event of the boiler being out of use during

freezing conditions.

A draining tap must also be provided at the lowest

points of the system which will allow the entire

system and hot water cylinder to be drained.

Draining taps shall be to the current issue of BS2879.

A safety valve need not be fitted to an open vented

system.

DrainingTap

Supplied By www.heating spares.co Tel. 0161 620 6677

7220692C

SECTION

A BYPASS MUST BE FITTED, see also Section 7.

The flow through the boiler must not be allowed to fall

below......

Space Saver K.F.B 60 - 12.6 litres/min (2.8 galls/min)

Space Saver K.F.B 70 - 14.76 litres/min (3.2 galls/min)

Where the water system can allow the boiler and pump

to operate on bypass only, the bypass must be at least

2.0metres away from the boiler.

If an inhibitor is to be used refer to the current issue of

BS5449 and BS7593, contact a manufacturer for their

recommendations as to the best product to use.

When using in an existing system take special care to

drain the entire system, including the radiators, then

thoroughly cleaning out before fitting the boiler whether

or not adding an inhibitor

Water Systems

Bypass

Inhibitor

Notes: OpenVented

and SealedWater

Systems

Pump

See chart for pressure drop of the boiler.

The pump should be fitted in the flow

pipe from the boiler and have isolating

valves each side, integral if possible.

The variable duty pump should be set to

give a temperature difference of 11oC

(20oF) between flow and return with the

thermostat set at “MAX” which is about

82oC (180oF).

High resistance microbore systems may

require a higher duty pump.

PRESSURE DROP OF BOILER

Flow rate (litres / minute)

Water pressure drop (mm head of water)

Water pressure drop (inches head of water)

Flow rate (gallons / minute)

0 5 10 15 20 25 30 35

200

400

600

800

1000

1200

1400

1234567

UNIT

litre / min.

gal / min.

19.1

4.2

22.9

5.0

22.9

5.0

26.7

60 70

Min.

HEAT SETTING

At 11˚C (20˚F) differential

WATER FLOW RATE

Max.

60 70

5.9

4778

Supplied By www.heating spares.co Tel. 0161 620 6677

220692C

SECTION

Water Sysems (Open Vented)

2886

Open (vented) system.

Recommended

relationship between

pump, cold feed and

vent.

UNRESTRICTED

CONTINUOUSLY

22mm (MIN) VENT

FEED AND

EXPANSION

CISTERN

15mm (MINIMUM)

UNRESTRICTED

COLD FEED

22mm (MINIMUM)

BY-PASS WITH

LOCKSHIELD VALVE

450mm

MIN.

HEIGHT

1metre MIN.

27.5metres MAX.

BOILER

PUMP

150mm

MAX

FLOW

RET.

CYLINDER

FLOW

HEATING

Open (Vented)Water

System

For an open (vented) system the boiler

must be supplied from an unrestricted

water supply taken from a feed and

expansion cistern situated at a

maximum height of 27.5 metres (90ft)

above the boiler.

The cold feed supply must be 15mm

minimum size.

The vent must rise continuously and be

unrestricted.

It is important that the relative positions

of the pump, cold feed and open vent

are as shown.

Domestic HotWater

Cylinder

The hot water cylinder must be of the

double feed fully indirect type. Not the

self priming type.

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9220692C

SECTION

Water Systems (Sealed) 2

2888

Sealed Water Systems

The installation must comply with the

appropriate requirements of the current

issue of BS5449, BS6798, BS4814 and

BS7074 Part 1 and 2.

See the diagrammatic layout.

Safety Valve

A safety valve must be fitted to a sealed

system.

It shall be preset, non-adjustable with a

lift pressure of 3bar, incorporating

seating of a resilient material, a test

device and a connection for drain.

The drain from the safety valve must be

routed clear of any electrical fittings

and positioned so that any discharge can

be seen.

ExpansionVessel A diaphragm type expansion vessel, conforming to the

current issue of BS4814 (see also BS7074 Part 1 and 2)

must be connected at a point close to the inlet side of the

circulating pump, see the diagrammatic layout, unless

laid down differently by the manufacturer.

The expansion vessel volume depends on the total water

system volume and the initial system design pressure.

For any system an accurate calculation of vessel size is

given in the current issue of BS7074 Part 1.

Example: For an initial system design pressure of

0.7bar, the minimum total vessel volume required is

0.063xTotal System volume.

Note. A higher initial design pressure requires a larger

volume expansion vessel.

Guidance on vessel sizing is also given in the current

issue of BS5449 and BS7074 Part 1.

The charge pressure must not be less than the static head

of the system, that is, the height of the highest point of

the system above the expansion vessel.

The water capacity of the boiler is given in the Data

Table.

BOILER

3 LITRES (0.66 gal)

MAKE-UP BOTTLE

(if required)

NON-

RETURN

VALVE

AUTO

AIR

VENT

FLOW

22mm (min)

BYPASS

WITH

LOCKSHIELD

VALVE

RETURN

DRAIN

COCK

SAFETY

VALVE

(Make-up

alternatives) EXPANSION

VESSEL

PRESSURE

GAUGE

CIRCULATING

PUMP

FILLING POINT

AIR

RELEASE

POINT

HEATING

CIRCUIT

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220692C

SECTION

Water Systems (Sealed)

METHOD 1

METHOD 2

METHOD 3

SUPPLY STOP

VALVE

SUPPLY

PIPE

HOSE

UNIONS SERVICING

VALVE

TEMPORARY

HOSE

HEATING

SYSTEM

HEATING

SYSTEM

TEMPORARY

HOSE

UNIONS SERVICING

VALVE

SUPPLY

PIPE

SUPPLY STOP

VALVE

DOUBLE CHECK

VALVE ASSEMBLY

HEATING

SYSTEM

SERVICING

VALVE

SUPPLY

STOP VALVE

SUPPLY

PIPE

HOSE

UNIONS DOUBLE CHECK

VALVE ASSEMBLY

OVERFLOW

CISTERN

COMBINED

CHECK VALVE

AND VACUUM

BREAKER

PRESSURE

REDUCING

VALVE

0051M

Filling SealedWater

Systems

Provision for filling the system at low level

must be made. Three methods are shown in the

diagram. There must be no permanent

connection to the mains water supply, even

through a non-return valve.

Pressure Gauge

A pressure gauge with a set pointer and

covering at least 0 to 4bar (0 to 60lb in2)

shall be fitted permanently to the

system in a position where it can be

seen when filling the system.

Domestic HotWater

Cylinder

SINGLE FEED INDIRECT

CYLINDERS ARE NOT SUITABLE

The hot water cylinder must be of the

indirect coil type. It must be suitable

for working at a gauge pressure of

0.35bar above the safety valve setting.

UNVENTED

Where a storage system will not have a

vent to atmosphere the installation must

comply with the Building Regulations

and the local Water Company bylaws,

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