Bosch GREENSTAR CDI C33 Instruction manual

INSTRUCTION MANUAL
INSTALLATION COMMISSIONING & SERVICING
FLOOR STANDING RSF GAS-FIRED CONDENSING REGULAR BOILER
GREENSTAR
FS 30CDi & FS 42CDi Regular
FOR SEALED OR OPEN VENT CENTRAL HEATING SYSTEMS
THE APPLIANCE IS FOR USE WITH
NATURAL GAS OR L.P.G. (Cat II 2H3P TYPE C13, C33, C53 &C93)
NATURAL GAS:
GREENSTAR FS 30CDi REGULAR GC NUMBER 41-406-03
GREENSTAR FS 42CDi REGULAR GC NUMBER 41-406-04
LIQUID PETROLEUM GAS:
GREENSTAR FS 30CDi REGULAR GC NUMBER 41-406-05
GREENSTAR FS 42CDi REGULAR GC NUMBER 41-406-06
UK/IE
8 716 115 216b (09.2008)
CONTACT INFORMATION
INSTALLATION & SERVICING INSTRUCTIONS
WORCESTER, BOSCH GROUP:
MAIN RECEPTION: 01905 754624
MAIN FAX:
01905 754619
TECHNICAL:
08705 266241
SERVICE:
08457 256206
SPARES:
01905 752571
LITERATURE:
01905 752556
TRAINING:
01905 752526
SALES:
01905 752640
WEBSITE:
worcester-bosch.co.uk
PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE STARTING INSTALLATION.
WATER TREATMENT:
FERNOX 01799 550811
fernox.com
THESE INSTRUCTIONS ARE APPLICABLE TO THE PRODUCT MODEL(S) STATED ON
THE FRONT COVER OF THIS MANUAL ONLY AND MUST NOT BE USED WITH ANY
OTHER MAKE OR MODEL OF APPLIANCE.
THE INSTRUCTIONS APPLY IN THE UK & EIRE ONLY AND MUST BE FOLLOWED EXCEPT
FOR ANY STATUTORY OBLIGATION.
THIS APPLIANCE MUST BE INSTALLED BY A COMPETENT REGISTERED ENGINEER,
SUCH AS A BRITISH GAS OR OTHER CORGI REGISTERED PERSONNEL.
FAILURE TO INSTALL CORRECTLY COULD LEAD TO PROSECUTION.
IF YOU ARE IN ANY DOUBT CONTACT THE WORCESTER TECHNICAL SUPPORT
HELPLINE.
DISTANCE LEARNING AND TRAINING COURSES ARE AVAILABLE FROM WORCESTER,
PART OF THE BOSCH GROUP.
SENTINEL 0800 389 4670
sentinel-solutions.net
PLEASE LEAVE THESE INSTRUCTIONS, THE USER GUIDE AND THE COMPLETED
BENCHMARK LOG BOOK (AT THE BACK OF THIS MANUAL) OR A CERTIFICATE
CONFIRMING COMPLIANCE WITH IS 813 (EIRE ONLY) WITH THE USER OR AT THE
FLUE TERMINAL GUARDS:
GAS METER AFTER INSTALLATION OR SERVICING.
TOWER FLUE COMPONENTS
COMMERCIAL INSTALLATION:
VALE RISE, TONBRIDGE, TN9 1TB
IF INSTALLING A GROUP OF APPLIANCES TOGETHER, ON COMMERCIAL PREMISES,
TEL: 01732 351680
THAT TOTALS MORE THAN 70KW, THEN THE APPLIANCES MUST BE INSTALLED IN
tfc-group.co.uk
ACCORDANCE WITH THE REQUIREMENTS OF IGE/UP/10 THEREFORE A COMMERCIAL
GAS QUALIFICATION WILL BE REQUIRED.
ABBREVIATIONS:
IMPORTANT HANDLING INSTRUCTIONS:
It is advised that two people are involved in
the transfer of the packaged appliance from
the van to the point of installation.
A suitable truck should be used.
The boiler is secured to a wooden board with
screws. It is advised that no attempt should
be made to move the packaged appliance
without the use of a suitable truck.
Before removing the carton it is advised that
the top flaps are opened and the ancillary
items removed and set to one side.
The carton can now be lifted off the boiler.
Remove the plastic bag protecting the boiler
surfaces and place safely away from the
working area.
Remove the boiler (complete with board) from
the pallet before removing the securing screws.
The boiler is mounted on small wheels and
can now be slid off the board and guided into
the installation position.
Care should be taken not to damage any
panels.
Two people are required to move the appliance
from the board into the installation position.
Ø
Diameter
NG
Natural Gas
LPG
Liquid Petroleum Gas
CH
Central Heating
DHW
Domestic Hot Water
TRV
Thermostatic Radiator Valve
IP
Ingress Protection
RSF
Room sealed flue
N/A
Not allowed
SEDBUK Seasonal Efficiency for Domestic Boilers in the United Kingdom
SYMBOLS USED IN THIS MANUAL:
Domestic hot water
Programmer ON CH only
Central heating
Programmer ON DHW only
Room thermostat
Programmer ON CH and DHW
Frost thermostat
Cold water main supply
Wait time period
Electricity supply
Programmer/timer OFF
Fuel supply
GENERAL HANDLING GUIDELINES:
• Lift only a manageable weight, or ask for
help.
• When lifting, bend the knees, and keep the
back straight and feet apart.
• Do not lift and twist at the same time.
• Lift and carry items close to the body
• Wear protective clothing and gloves to
protect from any sharp edges
Store the appliance in a dry area prior to
installation.
CONTACT INFORMATION
INSTALLATION & SERVICING INSTRUCTIONS
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
SAFETY &
REGULATIONS
CONTENTS
SAFETY & REGULATIONS
SAFETY PRECAUTIONS
2
INSTALLATION REGULATIONS
2
GENERAL INFORMATION
3
TECHNICAL DATA
4
LAYOUT & COMPONENTS
5
APPLIANCE
INFORMATION
APPLIANCE INFORMATION
CLEANING PRIMARY SYSTEMS
6
MAINS SUPPLIES
7
8
CONDENSATE PIPEWORK
10
BOILER LOCATION & CLEARANCES
11
MOUNTING FRAME CONNECTIONS
13
FLUE OUTLET POSITIONS
14
ROOM SEALED FLUE OPTIONS
16
INSTALLATION
WATER SYSTEMS & PIPEWORK
PREINSTALLATION
PRE-INSTALLATION
UNPACKING THE BOILER
17
MOUNTING FRAME FIXING / FLUE OPENING
18
MOUNTING FRAME CONNECTIONS
19
FLUE LENGTHS/FLUE MEASURING & CUTTING
20
FLUE INSTALLATION
23
STANDARD FLUE INSTALLATION
24
FLUE TERMINAL PLUME MANAGEMENT
25
CONDENSATE, GAS & WATER CONNECTIONS
26
ELECTRICAL
27
COMMISSIONING
INSTALLATION
PRE-COMMISSIONING CHECKS
28
FILLING THE SYSTEM
29
STARTING THE APPLIANCE
30
WATER TREATMENT
31
FINISHING COMMISSIONING
32
SERVICING
& SPARES
COMMISSIONING
SERVICING & SPARES
INSPECTION AND SERVICE
33
REPLACEMENT OF PARTS
37
SETTING THE GAS/AIR RATIO
42
SHORT PARTS LIST
43
L.P.G. CONVERSION
CONVERSION
KITS
CONVERSION KITS
44
FAULT FINDING & DIAGRAMS
45
CENTRAL HEATING FUNCTION
46
FAULT FINDING
47
FAULT FINDING
& DIAGRAMS
ELECTRICAL WIRING DIAGRAM
BENCHMARK CHECKLIST AT REAR OF MANUAL
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
CONTENTS
1
SAFETY &
REGULATIONS
SAFETY PRECAUTIONS
INSTALLATION REGULATIONS
IF YOU SMELL GAS:
Failure to install appliances correctly could
lead to prosecution.
DON'T SMOKE OR STRIKE MATCHES.
DON'T TURN ELECTRICAL SWITCHES ON OR OFF.
DO PUT OUT NAKED FLAMES.
DO OPEN DOORS AND WINDOWS.
DO KEEP PEOPLE AWAY FROM THE AREA AFFECTED.
DO TURN OFF THE CONTROL VALVE AT THE METER.
DO CALL YOUR GAS COMPANY.
BOILER OPERATION:
This boiler must only be operated by a responsible adult who has been instructed
in, understands and is aware of the boiler’s operating conditions and effects.
This appliance must be installed by a
competent registered engineer, such as British
Gas or other CORGI registered personnel, in
accordance with, and comply to, the current:
Gas Safety (Installation & Use) Regulations
1998, IEE Regulations, Building Regulations,
Building Standards (Scotland)
(Consolidation), Building Regulations
(Northern Ireland), local water by-laws, Health
& Safety Document 635 (The Electricity at
Work Regulations 1989), IS 813 (Eire) and
any other local requirements.
The relevant Standards should be followed,
including:
BS7074:1 : Code of practice for domestic
heating and hot water supply
BENCHMARK:
A Benchmark Log Book is provided, at the back of this manual, for the installer to
complete including their CORGI registration number to confirm that the boiler has
been installed, commissioned and serviced according to the manufacturer’s instructions.
IMPORTANT: The completed Benchmark Log Book will be required in the event of any
warranty work and may be required by the local Building Control Inspector.
HEALTH & SAFETY:
The appliance contains no asbestos and no substances have been used in the
construction process that contravene the COSHH Regulations (Control of Substances
Hazardous to Health Regulations 1988). Where applicable, the CE mark indicates
compliance with relative EU Directives.
COMBUSTIBLE AND CORROSIVE MATERIALS:
Do not store or use any combustible materials (paper, thinners, paints etc.) inside
or within the vicinity of the appliance.
The combustion air must be kept clear of chemically aggressive substances, which
can corrode the appliance and invalidate any warranty.
BS EN:12828 : Central heating for domestic
premises
BS5440:1 : Flues and ventilation for gas
appliances of rated heating not exceeding
70kW (net) : Flues
BS5440:2 : Flues and ventilation for gas
appliances of rated heating not exceeding
70kW (net) : Air Supply
BS7593 : Treatment of water in domestic hot
water central heating systems
BS6798 : Installation of gas fired boilers of
rated input up to 70kW (net)
Where no specific instruction is given,
reference should be made to the relevant
codes of Practice.
L.P.G. Installation:
FITTING & MODIFICATIONS:
Fitting the appliance and any controls to the appliance may only be carried out by
a competent engineer in accordance with these instructions and the relevant Installation
Regulations.
Flue systems must not be modified in any way other than as described in the fitting
instructions.
Any misuse or unauthorised modifications to the appliance, flue or associated
components and systems could invalidate the warranty. The manufacturer accepts
no liability arising from any such actions, excluding statutory rights.
SERVICING:
2
BS6891 : Installation of low pressure gas
pipework up to 32mm (R11/4)
An appliance using L.P.G. must not be installed
in a room or internal space below ground
level unless one side of the building is open
to the ground.
Timber framed buildings:
Where the boiler is to be fitted to a timber
framed building the guidelines laid down in
BS5440: Part 1 and IGE "Gas Installations in
Timber Frame Buildings” should be adhered
to.
Advise the user to have the system regularly serviced by a competent, qualified
engineer (such as British Gas or other CORGI registered personnel) using approved
spares, to help maintain the economy, safety and reliability of the appliance.
IMPORTANT:
IMPORTANT - The service engineer must complete the Service Record in the
Benchmark Log Book after each service.
Artificially softened water must not be used
to fill the central heating system.
SAFETY PRECAUTIONS &
INSTALLATION REGULATIONS
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
GENERAL INFORMATION
STANDARD PACKAGE:
A - Floor standing gas fired regular boiler
B - Mounting frame complete with preplumbing manifold assembly
D - Condensate hose and non-return valve
A
SPECIFICATIONS:
Pre-wired and pre-plumbed.
APPLIANCE
INFORMATION
C - Literature pack
Galvanised steel inner frame.
Bosch Heatronic control system.
Automatic ignition.
850mm
Direct burner ignition electrodes.
Built-in frost thermostat.
Built-in fault finding diagnostics.
Modulating automatic gas valve.
Combustion air fan with speed regulator.
CH temperature sensor & control.
Flue gas temperature limiter.
Condensate trap & pump.
600mm
400mm
B
D
C
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
GENERAL INFORMATION
3
TECHNICAL DATA
DESCRIPTION
UNITS
Natural Gas
L.P.G
FS 30CDi
FS 42CDi
FS 30CDi
FS 42CDi
APPLIANCE
INFORMATION
Central Heating
Max. rated heat output net 40/30°C
kW
32.1
43.7
32.1
43.7
Max. rated heat output net 50/30°C
kW
31.8
43.3
31.8
43.3
Max. rated heat output net 80/60°C
kW
30
40.8
30
40.8
Max. rated heat input net
kW
30.9
42
30.9
42
Min. rated heat output net 40/30°C
kW
8.6
10.8
11.6
13.5
Min. rated heat output net 50/30°C
kW
8.6
10.7
11.4
13.4
Min. rated heat output net 80/60°C
kW
7.7
9.6
10.5
12.0
Min. rated heat input net
kW
8
10
10.8
12.5
Max. flow temperature
°C
88
88
88
88
Max. permissible operating pressure
bar
2.65
2.65
2.65
2.65
Natural Gas G20
m3/h
3.27
4.4
-
-
Propane Gas (LPG)
kg/h
-
-
2.3
3.3
Natural Gas G20
mb
20
20
LPG (Propane) Gas G31
mb
-
-
37
37
Flue Gas Temp. 80/60°C, rated min. load
°C
67/55
67/55
67/55
67/55
Flue Gas Temp. 40/30°C, rated min. load
°C
43/32
43/32
43/32
43/32
CO2 level at max. rated heat output
%
9.4
9.4
10.8
10.8
CO2 level at min. rated heat output
%
8.6
9.0
10.4
10.4
class
5
5
5
5
l/h
2.7
3.7
2.7
3.7
4.8
4.8
4.8
4.8
AC...V
230
230
230
230
Frequency
Hz
50
50
50
50
Max. power consumption (without pump)
W
60
80
60
80
SEDBUK (Band A)
%
90.5
90.3
91.9
91.1
Appliance protection rating
IP
x4D
x4D
x4D
x4D
Permissable ambient temperatures
°C
0 - 50
0 - 50
0 - 50
0 - 50
Nominal capacity of appliance
Itr
3.75
3.75
3.75
3.75
dB(A)
37
37
37
37
kg
55.1
55.1
55.1
55.1
Gas flow rate - Max. 10 minutes from lighting
Gas supply pressure
Flue
NOx - classification
Condensate
Max. condensation rate
pH value, approx.
Electrical
Electrical power supply voltage
General Data
Noise output level (at maximum CH output)
Weight (excluding packaging)
4
TECHNICAL DATA
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
LAYOUT & COMPONENTS
The diagram opposite shows the controls in
the servicing position and excludes the outer
case, inner covers and wiring.
1 CONTROL PANEL
2 MASTER SWITCH FOR ON/OFF
F
4 SERVICE BUTTON
D
5 BOOST BUTTON (SERVICE ONLY)
6 DISPLAY
C
7 RESET BUTTON
B
8 NOT USED
A
APPLIANCE
INFORMATION
3 BURNER ON INDICATOR LIGHT (GREEN)
E
9 NOT USED
10 TEMPERATURE CONTROL
11 MAINS ON/OFF INDICATOR & FAULT
DIAGNOSTIC LIGHT (BLUE)
12 BOSCH HEATRONIC III SERIES CONTROL
BOARD
13 AUTO-AIR VENT
14 FLOW PIPE
15 THERMISTOR
16 HEATCELL
17 AIR/GAS ADJUSTMENT SCREW (SEALED)
18 CONDENSATE PUMP ASSEMBLY
19 RUNNER WHEEL
20 FLOW CONNECTION
21 GAS ISOLATION VALVE
22 RETURN CONNECTION
23 MOUNTING FRAME
24 CONDENSATE SIPHON
25 GAS VALVE
26 INNER CASING
27 HEATCELL HIGH LIMIT THERMOSTAT
28 BURNER IGNITION ELECTRODES
29 BLANKING COVERS - FLUE OUTLET
30 CASE 'KNOCK-OUT' PANEL - FLUE
31 CASE SIDE PANEL LEFT HAND
32 CASING SUPPORT STRUT
33 COMBUSTION AIR MODULATING FAN
34 FLUE GAS SAMPLING POINT
35 DATA LABEL
1
2
6
3
7
4
8
5
9
10 11
35
34
33
32
31
30
29
1
28
27
26
12
13
100mmØ HORIZONTAL FLUE
COMPONENTS (Kit Part No. 7 716 191 155)
A - 90° ELBOW
B - ADAPTOR
C - CONNECTOR
D - INNER WALL FLUE COLLAR
E - TELESCOPIC TERMINAL ASSEMBLY
F - OUTER WALL FLUE COLLAR
FLUE KITS:
Vertical 100mmØ Part No. 7 716 191 156
Vertical 125mmØ Part No. 7 716 191 158
Horizontal 125mmØ Part No. 7 716 191 157
14
15
16
17
18
25
19
24
20
21
22
23
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
LAYOUT & COMPONENTS
5
CLEANING PRIMARY SYSTEMS
IMPORTANT: All the following pre-installation sections must be read and
requirements met before starting boiler or flue installation.
CAUTION: ISOLATE THE MAINS SUPPLIES BEFORE STARTING ANY WORK
AND OBSERVE ALL RELEVANT SAFETY PRECAUTIONS.
IMPORTANT:
Debris from the system can damage the
boiler and reduce efficiency. Failure to
comply with the guidelines for the use
of water treatment with the appliance
will invalidate the appliance warranty.
BEFORE CLEANING THE SYSTEM:
ENSURE THE SYSTEM AND PIPEWORK ARE
IN GOOD WORKING ORDER.
PREINSTALLATION
USE THE EXISTING BOILER/CIRCULATING
PUMP WHERE POSSIBLE OR USE A POWER
FLUSHING MACHINE TO AID THE CLEANSING
PROCEDURE BEFORE INSTALLING A NEW
BOILER.
CLEANING THE PRIMARY SYSTEM:
Fill the system with cold mains water to
the recommended pressure and check for
leaks.
Open all drain cocks and drain the system.
Close drain cocks and add a suitable
flushing agent at the correct strength for
the system condition in accordance with
the manufacturer's instructions.
Circulate the flushing agent before the
boiler is fired up.
Run the boiler and system at normal
operating temperature in accordance with
the manufacturer's instructions.
Drain and thoroughly flush the system to
remove the flushing agent and any debris.
6
CLEANING PRIMARY SYSTEMS
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
MAINS SUPPLIES
ELECTRICAL SUPPLY:
• Supply: 230V - 50Hz.
• Cable: PVC insulated 0.75mm2
(24 x 0.2mm) temperature rated to 90°C.
• External 3A fuse to BS1362.
• The appliance must be earthed.
• Wiring between the appliance and the
electrical supply must comply with IEE
wiring regulations and any local regulations
which may apply for fixed wiring to a
stationary appliance.
• External pump must be wired back to the
boiler.
• Any system connected to the boiler must
not have a separate electrical supply.
PREINSTALLATION
• It must be possible to isolate the appliance
from the electrical supply with at least a
3mm contact separation in both poles
supplying the appliance.
WATER SUPPLY:
• Connections to the water supply must not
be made without the authority of the local
water company.
GAS SUPPLY:
• Boilers using NG must be connected to a
governed meter.
• LPG boilers must be connected to a
regulator.
• Installation and connection of the gas
supply to the boiler must be in accordance
with BS6891.
• Under no circumstances should the
diameter of the gas supply pipe be less
than that of the appliance inlet connection.
• The meter or regulator and pipework to
the boiler must be checked, preferably by
the gas supplier to ensure it is in good
working order and can meet the gas flow
and pressure requirements in addition to
the demand from any other appliance being
served.
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
MAINS SUPPLIES
7
WATER SYSTEMS & PIPEWORK
PRIMARY SYSTEM PLASTIC PIPEWORK:
• Any plastic pipework must have a polymeric
barrier with 600mm (minimum) length of
copper pipe connected to the boiler.
• Plastic pipework used for underfloor
heating must be correctly controlled with
a thermostatic blending valve limiting the
temperature of the circuits to approx. 50°C.
The pipework from the boiler to the
blending valve must be in copper.
PRIMARY SYSTEM CONNECTIONS/VALVES:
• Do not use galvanised pipes or radiators.
PREINSTALLATION
• All system connections, taps and mixing
valves must be capable of sustaining a
pressure of 3 bar.
• Radiator valves should conform to
BS2767:10.
• All other valves should conform to BS1010.
• On new installations TRV’s must be used
on all radiators except the radiator where
the room thermostat is sited, this must be
fitted with lockshield valves and left open.
All installations should, at least, have TRV's
fitted to radiators within the sleeping
accommodation.
• An automatic bypass valve must be
connected between the heating flow and
return where TRV's are used on all radiators
unless one of the parts is open to flow
(refer to “Water Systems and Pipework
section).
• A drain cock should be fitted at all the
lowest points of the heating circuit.
Heating return
Non
return
valve
Hose
return
Non
return
valve
Water main
supply
• Air vents are required at all high points on
the system.
FILLING PRIMARY SEALED SYSTEMS:
Stop
cock
Temporary
hose
Test cock
Stop
cock
• Filling the primary system must comply
with one of the methods shown opposite.
• The filling point must be at low level and
must never be a permanent direct fixing
to the mains water supply.
• Filling loops must be WRAS approved.
Make up
vessel
Heating return
Auto
air vent
Non return
valve
1000mm
above the
highest point
of the system
Stop
cock
Fill point
8
WATER SYSTEMS & PIPEWORK
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
WATER SYSTEMS & PIPEWORK
S PLAN LAYOUT
N
S & Y PLAN OPEN VENT PRIMARY SYSTEM:
B
C
Generally a by-pass is not necessary on a Y plan
system as one of the parts is open to flow.
M
min. 250mm
M
min. 250mm
G
D
H
• The feed and expansion cistern (N) must
be positioned to provide a static head (M)
of at least 250mm above the highest point
in the heating system.
• The heating vent (B) and cold feed (C)
pipes must rise continuously from the
appliance.
150mm max.
F
A
• No valve shall be fitted in the heating vent
pipe (B) or the cold feed and expansion
pipe (C).
Y PLAN LAYOUT
N
M
min. 250mm
B
PREINSTALLATION
• The heating vent pipe (B) must be at least
Ø22mm.
E
M
min. 250mm
C
G
H
D
150mm max.
E
A
FULLY PUMPED SEALED PRIMARY SYSTEM:
• A pressure relief valve (K) (spring loaded
safety valve set to operate at 3 bar) must
be fitted to the heating return pipe as close
as possible to the boiler.
SEALED SYSTEM LAYOUT
N
Hot water flow
G
J
K
H
D
• An expansion vessel (I) must be fitted to
the heating return pipe close to the boiler
and pressurised for the system volume
according to the instructions supplied with
the vessel.
• A pressure gauge (J) (3 bar min.) must be
fitted to the heating return pipe.
• An automatic air vent must be fitted.
Heating
return
A
• Stop valve (L) must be a fixed cylinder
type or sealed systems approved
connection.
Cylinder return
I
Heating flow
Mains cold water
L
A - Boiler.
H - Lockshield valve (return).
B - Heating vent (min. Ø22mm).
I - Expansion vessel.
C - Primary cold feed (min. Ø15mm).
J - Pressure gauge.
D - Diverter valve.
K - Relief valve.
E - Pump.
L - Stop valve.
F - Automatic by-pass.
M - Static head.
G - Radiator valve (flow).
N - Feed & expansion cistern.
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
WATER SYSTEMS & PIPEWORK
9
CONDENSATE PIPEWORK
IMPORTANT:
Visible air break
at plug hole
• Ensure there are no
blockages in the pipe run
Condensing
Boiler
• Care should be taken when
Sink with
integral
overflow
100mm
siting a soak-away to avoid
obstructing existing services
Insulation or
increase pipe size
22mmØ
plastic pipe
• Condensate waste must not
Open end of
condensate drainage
pipe directly into gully
below grating but
above water level
75 mm
min.
-
PREINSTALLATION
75mm sink
waste trap
22mmØ
Soil & vent stack
Condensing
Boiler
minimum
450mm
and up to
3 storeys
Invert
22mmØ condensate
drainage pipe, max external
length 3 metres
Insulation or
increase pipe size
500mm min.
Condensate drainage pipe can be
run above or below ground
CONDENSATE PIPEWORK:
• The condensate pipe must be a minimum of
22mm Ø plastic pipe.
• The condensate pipework must fall at
least 50 mm per metre towards the outlet
and should take the shortest practicable
route.
• The pipework must follow one of the options
shown opposite or discharge directly into a
vent stack min. 450mm above pipe invert or
into a gully below ground but above the water
level.
• Wherever possible the condensate
discharge pipe work should be routed and
terminated internally. Should this not be
possible, and the only available route is
external, the following conditions should be
observed:
External pipe work
-
Pipe work length should be kept to a
minimum and the route as vertical as
possible.
-
Where pipe work is subjected to
extreme cold or wind chill, a weather
proof insulation should be used.
Alternatively the condensate pipework
could be increased to a minimum
diameter of 32mm without the
requirement to insulate.he pipe run
25mm
Diameter 100mm
min. plastic tube
Condensate soakaway
The condensate drainage pipe may be run
above or below the ground to the soakaway.
Bottom of
tube sealed
Limestone
chippings
be terminated into a septic
tank or cesspit
Drainage holes
The example shown opposite runs above
ground level.
Hole depth
400mm min.
by 300 Ø
The soakaway must use a 100mm diameter
plastic tube with two rows of three 12 mm
holes on 25 mm centres and 50 mm from
the bottom of the tube. The holes must face
away from the house.
The tube must be surrounded by at least
100 mm of limestone chippings to a depth
of 400mm.
22 mm Ø plastic condensate
drainage pipe running
through the external wall
External rain water
pipe into foul water
External
air break
Condensing
Boiler
Air gap
Insulation or
increase pipe size
43 mm 90°
M & F bend
10
CONDENSATE PIPEWORK
68 mm Ø PVC-u
strap on fitting
Fitting an external air break
Use the situation opposite when a rain water
down pipe is used to dispose of condensate
and the down pipe goes directly into an
existing sewer that carries both rainwater
and foul water.
An air break must be installed in the
32/43 mm pipework, between the boiler
condensate outlet and the drainpipe, outside
the property, to avoid flooding during
adverse weather conditions.
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
1: INSTALLATION CLEARANCES
410mm
• This boiler is only suitable for installing
internally within a property at a suitable
location onto a fixed rigid non-combustible
surface at least the same size as the boiler
and capable of supporting the boiler
weight.
1450mm
600mm
• The boiler is not suitable for external
installation unless a suitable enclosure is
provided.
5mm
COMMERCIAL INSTALLATION:
5mm
• If installing more than one appliance in a
modular or cascade arrangement in a
commercial premises, that total more than
2: SERVICE / VENTED
70kW, then additional ventilation is needed
CUPBOARD CLEARANCES
to comply with the Dangerous Substances
and Explosive Atmospheres Regulations
410mm
1200mm
(DSEAR).
600mm
15mm
Compartments:
865mm
Follow the requirements of BS6798 and
BS5440 Part 2 and note:
3: UNVENTED
COMPARTMENT CLEARANCES
800mm
600mm
50mm
• Minimum clearances must be maintained.
5mm
5mm
600mm
25mm
PREINSTALLATION
1200mm
BOILER LOCATION &
CLEARANCES
• An access door is required to install, service
and maintain the boiler and any ancillary
equipment.
• If fitting the boiler into an airing cupboard
use a non-combustible perforated material
(maximum hole sizes of 13mm) to separate
the boiler from the airing space.
1: INSTALLATION CLEARANCES:
900mm
Diagram 1 shows the minimum space required
to install the boiler only.
100mm**
2: SERVICE / VENTED CUPBOARD
CLEARANCES:
100mm**
200mm*
Diagram 2 opposite shows the minimum space
required to service the boiler only.
25mm to a removable door
3: UNVENTED COMPARTMENT
CLEARANCES:
Diagram 3 shows the minimum space required
to install and service the boiler inside an
unvented compartment.
*
Space required for unvented areas with a
removable door or panel.
**This space can be reduced to 50mm for one
side only as long as both the side clearances
add up to the total of both the side
measurements shown or more.
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
BOILER LOCATION & CLEARANCES
11
4: AIRING CUPBOARD
CLEARANCES
625mm
BOILER LOCATION &
CLEARANCES
600mm
4: AIRING CUPBOARD CLEARANCES:
100mm
25mm
1050mm
PREINSTALLATION
5: VENTING
COMPARTMENTS
Diagram '4' opposite shows the minimum
space req
equired to install and service the boiler
within an airing cupboard.
200mm
5: VENTING COMPARTMENTS:
If the clearances are less than those stated
for options '3' & '4' (above) then ventilation
must be provided as described in BS 5440.
100mm
25mm
100mm
B
A minimum of 2 air vents (C) of equal size
must be fitted, one at low level and another
at high level onto the same wall using the
same air for circulation.
Minimum free area required for venting:
For air directly from outside:
C
FS 30CDi 155cm2
FS 42CDi 217cm2
For air from internal space/room:
D
FS 30CDi 310cm2
FS 30CDi 433cm2
600mm
600mm
6: BATHROOMS:
750mm
1
1
2250mm
Electrical switches, fused spurs and socket
outlets must not be situated in the bathroom.
2250mm
2
2
IMPORTANT:
Any switch or appliance control using mains
electricity must not be within reach of a
person using the bath or shower.
This boiler is IP X4 rated and can be installed
in zone 2, however where possible positions
outside zone 2 should be sought.
Additional RCD (Residual Current Device)
protection may be required.
Refer to the latest IEE wiring regulations.
600mm
750mm
1
2250mm
1
2
2250mm
2
600mm radius
12
BOILER LOCATION & CLEARANCES
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
MOUNTING FRAME
CONNECTIONS
CONNECTIONS:
Water: 28mm compression fittings
Gas: 22mm compression fitting.
RUNNING PIPES BEHIND THE BOILER:
• The frame should sit against the wall (not
the skirting board) with enough room for
the pipework.
• Do not cross a pipe over another.
PREINSTALLATION
• The area around a rear flue outlet must
be avoided.
28mm
A
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
22mm
MOUNTING FRAME CONNECTIONS
13
• The flue must be fitted and terminated in accordance
with the recommendations of BS5440 : Part 1.
• The flue must not cause an obstruction.
• Discharge and any noise from the flue outlet must not
cause a nuisance.
• Flue gases have a tendency to plume and in certain
weather conditions a white plume of condensation
will be discharged from the flue outlet. Where this
could be a nuisance, for example, near security lighting,
an alternate position should be found.
PREINSTALLATION
• The air inlet/outlet duct and the terminal of the boiler
must not be closer than 25mm to any combustible
material.
Detailed recommendations on
protection of combustible materials are
given in BS 5440: Part 1
500mm clearance to
any vertical structure
on a roof, 600mm to
another flue or 1500mm
to an open flue.
• A protective terminal guard must be fitted if the
terminal is 2m or less above a surface to which people
have access.
The guard must be spaced equally (minimum 50 mm)
around the flue and fixed to the wall with plated
screws. See Contact Information (inside front cover).
NOTE:
300mm
500mm
All measurements are the minimum
clearances required.
Terminals must be positioned so to
avoid combustion products entering
the building.
VELU
200mm
200mm below eaves
and 75mm below
gutters, pipes and drains
DRAIN
25mm
600mm minimum
clearance from
a skylight to a
vertical flue
500mm
600mm
500mm
600mm
600mm distance to a boundary,
unless it will cause a nuisance.
BS 5440: Part 1 recommends
that care is taken when siting
terminals in relation to boundaries
Boundary
Deduct one metre off the total flue length for every 45° bend used
Deduct two metres off the total flue length for every 90° bend used
The flue turret has a built-in angle of 3° to
ensure that the condensate flows back to
the boiler for safe disposal via the
condensate waste pipe.
All horizontal flue sections must rise by 3°
or at least 52mm for each metre away from the
boiler to ensure condensate flows back
into the boiler.
14
FLUE OUTLET POSITIONS
1000mm
52mm fall
1000mm
500mm
Vertical flue clearance 500mm
to non-combustible building
material, and 1,500mm clearance
to combustible building material
104mm fall
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
FLUE OUTLET POSITIONS
NOTES:
Plume management kits are available for
100mm horizontally terminated flues.
Please refer to the installation instructions
supplied with the plume management kits.
If plume redirection is utilised, the
clearance from any opening must
be increased in the direction of the
plume to 1500mm.
300mm
Min.
1500 mm
DORMER
WINDOW
VELUX WINDOW
Direction of
flue discharge
1500mm between a vertical flue
terminal and a window
or dormer window
1500mm
Plume deflector
400mm
400mm from a pitched roof
or in regions with heavy
snow fall 500mm
2000mm below a Velux window,
600mm above or to either side
of the Velux window
PREINSTALLATION
Opening
in building
The flue cannot be
lower than 1000mm
from the top of a light
well due to the build up
of combustion products
300mm
1200mm
DRAINPIPE
1200mm between terminals
facing each other
300mm
300mm to an
internal or
external corner
1500mm
300mm
Window
300mm
300mm above,
below and either
side of an opening
door, air vent or
opening window
NOTE: All measurements are the minimum
clearances required. Terminals must
be positioned so to avoid combustion
products entering the building
Clearance no less than
200mm from the lowest point
of the balcony or overhang
NOTE:
Installations in carports
are not recommended
300mm
1,200mm from an opening on the
same wall (ie: door or window
leading into a dwelling) in a carport
with both sides open, to prevent the
build up of combustion products.
Flue clearances must be at least 300mm
from the ground. Terminal guards must be
fitted if the flue is less than 2 metres from
the ground or if a person could come into
contact with the flue terminal.
8 716 115 089a
5mm
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
FLUE OUTLET POSITIONS
15
ROOM SEALED FLUE OPTIONS
L= Ø100mm 130 - 530mm
L= Ø125mm 350 - 1200mm
L= Ø125mm 9000mm
The diagrams (opposite) show the
components used and the maximum flue
length for each configuration of 100mm and
125mm flues.
L
L
A
A
Min.
120mm
B
Ø125mm x8
C
• Only straight flue sections can be reduced
in length by cutting.
• The 100mm horizontal flue terminal can
be fitted from inside or outside the
building.
C
IMPORTANT:
All horizontal sections must rise away
from the boiler by 52mm per metre (3°)
to allow the condensate to drain back
to the boiler.
L= Ø100mm 310 - 4000mm
L= Ø125mm 350 - 13000mm
PREINSTALLATION
L
A
B
A
L= Ø125mm 7000mm
Ø100mm x4
Ø125mm x12
C
D
L
E
B
A
Min.
120mm
B
Ø125mm x6
A - Horizontal terminal
B - Straight flue extension
C - Flue bend 90°
D - Flue bend 45°
L= Ø100mm 2000mm
L= Ø125mm 11000mm
C
A
C
C
E - Vertical Terminal
L
Calculating the flue length:
Measure the total flue length (L) required,
noting that the maximum straight flue length
including the terminal is:
B
Ø100mm x2
Ø125mm x10
Horizontal Ø60/100mm: 4000mm
Horizontal Ø80/125mm: 13000mm
C
Vertical Ø60/100mm: 6400mm
Vertical Ø80/125mm: 15000mm
L= Ø100mm 4400mm L
L= Ø125mm 13000mm
D
L=Ø100mm 2000mm
L=Ø125mm 11000mm
E
A
L
2000mm for 90°
1000mm for 45°
B
Ø100mm x4
Ø125mm x12
B
Ø100mm x2
Ø125mm x10
D
Min.
120mm
D
Then reduce the total straight flue length for
each extra flue bend (excluding the flue elbow)
by:
Flue Extension lengths:
Horizontal & Vertical Ø60/100mm: 950mm
Horizontal & Vertical Ø80/125mm: 950mm
D
Flue Terminal lengths:
Horizontal Ø60/100mm: 530mm
Horizontal Ø80/125mm: 1200mm
Vertical Ø60/100mm: 1140mm
L=Ø100mm 2400mm
L=Ø125mm 11000mm
L= Ø125mm 9000mm
A
L
C
E
C
B
Ø125mm x8
C
16
C
ROOM SEALED FLUE OPTIONS
Vertical Ø80/125mm: 1365mm
L
Min.
120mm
B
Ø100mm x2
Ø125mm x10
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
UNPACKING THE BOILER
IMPORTANT: All the previous Pre-Installation sections must be read and
requirements met before starting boiler or flue installation.
Take care not to damage the boiler panels
or the floor and note that the boiler may
contain some water due to factory testing.
Unpacking:
2
1
1
A
Undo the ties securing the carton to the
pallet
If a sharp implement is used, care must be
taken not to pierce the carton or cause injury.
B
C
2
Before removing the carton it is advised
that the top flaps are opened and items
A, B, C and D are removed and set to one
side.
3
The carton can now be lifted off the
boiler.
Remove the plastic bag protecting the
boiler surfaces and place safely away from
the working area.
Remove 2 screws at the rear of the board
securing the board to the pallet.
Slide the boiler and board off the pallet.
The boiler is mounted on small wheels
and it is recommended that two people
are used to move the boiler from the board,
taking care not to damage the panels or
the floor.
At all times the correct method for handling
heavy objects should be strictly observed.
INSTALLATION
D
GENERAL HANDLING GUIDELINES:
Lift only a manageable weight, or ask for
help.
When lifting, bend the knees, and keep
the back straight and feet apart.
Do not lift and twist at the same time.
3
Lift and carry items close to the body
Wear protective clothing and gloves to
protect from any sharp edges
A - Mounting frame
B - Installation pack
C - Literature pack
D - Condensate waste pipe & non-return valve
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
UNPACKING THE BOILER
17
All dimensions in mm
F
D
D
A
MOUNTING FRAME FIXING &
FLUE OPENING
CAUTION: Ensure there are no pipes,
electric cables, damp proof course or other
hazards before drilling.
B
SAFETY:
20
65
65
70.5
20
All relevant safety precautions must be
undertaken. Protective clothing, footwear,
gloves and safety goggles must be worn as
appropriate.
MOUNTING FRAME/PIPEWORK POSITIONS:
A - Mounting frame.
B - Manifold connections.
C - Mounting frame fixing point.
38mm
D - Wall.
E - Gas and water pipework (not supplied).
D
F - Boiler.
E
INSTALLATION
B
C
FIXING THE MOUNTING FRAME:
A
Position the mounting frame (A) on the
floor against the wall with manifold
connections (B) facing away from the wall
(D) ensuring there is enough space for the
pipework (E).
Allow the minimum space from each side
of the frame (A) for the boiler overhang (F)
and minimum service clearance, as shown.
X
Y
Z
Ensure the mounting frame is level and
mark fixing points (C).
Secure mounting frame (A) to the floor
using appropriate fixings (not supplied).
Clear any debris from the site.
FLUE OPENING:
Follow the diagram opposite to mark the
centre of the flue (1, & 2) for rear opening,
(2 & 3) for side opening or (1 & 4) for top
opening.
Measurements shown include the minimum
service clearances.
NOTE: All horizontal flue sections must rise away
from the boiler by 52mm per meter to
ensure that condensate flows back into
the boiler for safe discharge via the
condensate waste pipe.
4
Y
123
Cover the mounting frame manifold
assembly (A) to protect the manifold
connections.
1
3
3
X
123
143
267
123
2
Z
743
Make an opening (X or Z) through the wall
using a core drill or similar at a size relative
to the wall thickness as shown below:
Wall
Flue opening Flue opening
thickness
60/100mmØ 80/125mmØ
150 - 240mm
127mmØ
152mmØ
240 - 330mm
127mmØ
152mmØ
330 - 420mm
127mmØ
162mmØ
420 - 500mm
140mmØ
162mmØ
Where the flue terminal can only be fitted
from inside the building, increase the opening
to 150mmØ to allow the optional weather
collar to fit through the opening for 60/100
flue.
Clear away any debris.
18
MOUNTING FRAME FIXING &
FLUE OPENING
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
MOUNTING FRAME
CONNECTIONS
CAUTION: ISOLATE THE MAINS GAS
SUPPLY BEFORE STARTING ANY WORK
AND OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
GAS AND WATER CONNECTIONS:
Ensure all pipework is clean and each
pipe is in the correct position as shown
opposite.
Push in each pipe in turn and tighten the
fitting to secure.
A - CH flow (28mm)
B - Gas inlet (22mm)
C - CH return (28mm)
INSTALLATION
D - Mounting frame.
123mm
247mm
28mm
22mm
D
A
B
C
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
MOUNTING FRAME CONNECTIONS
19
FLUE LENGTHS
HORIZONTAL FLUE:
1
(60/100mm diameter)
L
For vertical flues and 80/125mmØ horizontal
flues, please refer to separate Flue Kit
instructions.
Ø60/100mm HORIZONTAL TELESCOPIC
FLUE LENGTHS:
The maximum effective straight flue lengths
(L) are stated opposite for the relevant
appliance and must not be exceeded.
EFFECTIVE MAXIMUM STRAIGHT FLUE
LENGTHS for Ø60/100mm Telescopic flue:
Appliance description
1
L max.
Greenstar FS 30CDi Regular
4000mm
Greenstar FS 42CDi Regular
4000mm
Measure the total straight length (L)
along the flue route, then add the following
to length (L) to check the maximum flue
length is not exceeded:
2000mm for each extra 90° bend.
INSTALLATION
1000mm for each extra 45° bend.
FLUE MEASURING & CUTTING
Do not exceed the maximum straight
length for a horizontal Ø60/100mm flue
or a Ø60mm plume management system
(if used) as stated in this Instruction
Manual or Flue Manual.
All dimensions in mm.
1 Example with one extension tube:
L
CUT LENGTH WITH ONE
EXTENSION = L - 410mm
10
400
110
Cutting the flue to an exact measurement is not
required as the telescopic flue terminal allows
for adjustment.
1
B
A
C
E
D
Measure the flue length (L) from the
boiler inner case (A) along the flue route
to the outside wall (D).
Note, the terminal end projects beyond the
outside wall by the distance shown opposite.
A - Boiler inner case.
B - Flue connector.
C - Flue extension tube socket.
D - Outside wall.
E - Aluminium tape over terminal screwed
joint.
20
FLUE LENGTHS
FLUE MEASURING & CUTTING
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
FLUE MEASURING & CUTTING
1
Flue bends:
1
950mm
1145mm
Connecting flue bends increases the
effective pipe length and an allowance
must be made for the different connectors.
The example opposite shows dimensions
for two 90° bends connected to a standard
flue extension.
Adjusting the standard terminal length:
2
2
530mm
Extend tube (A) by withdrawing from
tube (B) to achieve the flue length required,
310- 530mm.
Secure with screw provided and seal
joint with the aluminium tape supplied.
310mm
Reducing the standard terminal length:
3
Remove securing screws (C) to detach
the terminal assembly from the connector.
B
To use terminal (A) without cutting
remove the location lug (D) on the inner
flue tube (E) and remove any burrs.
To reduce the terminal length further:
4
3
Mark the length required for the terminal
(A) as shown (min. 130mm) and cut square,
taking care not to damage the tubes.
Remove any burrs and chamfer the outer
edge of the tubes to assist ease of
connection and prevent seal damage.
C
INSTALLATION
Slide terminal section (B) from the
terminal assembly and discard.
A
NOTE: The aluminium tape is not required
when reducing the terminal.
A
B
Reducing extended flue tube length:
D
E
Only cut flue extension & not flue terminal
5
Mark flue extension (F) to the required
distance measuring from the socket end
and cut square taking care not to damage
the tubes.
Remove any burrs and chamfer the outer
edge of the tubes to assist ease of
connection and prevent seal damage.
4
A
130mm
MIN
Required distance
5
F
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
FLUE MEASURING & CUTTING
21
FLUE MEASURING & CUTTING
FLUE OUTLETS (X or Y):
Y
Y
1
2
X
3
Remove seal (B) from flue adaptor (A).
Cut square to mark, as shown, deburr
and clean.
Replace seal (B).
2
X
INSTALLATION
1
A
B
3
2
Y
1
A
B
3
B
22
FLUE MEASURING & CUTTING
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
D
3
FLUE INSTALLATION
C
A
E
1
Grip the outer sides of the front panel
(F) pull and lift away from retaining lugs.
2
Remove retaining screw (B) to swing
control panel assembly (A) outwards to its
full extent.
3
Remove screws (C) from inside of casing.
H
J
Lift front of top panel (D) to release.
B
F
Pull forwards to disengage rear retainer
(E), then lift panel (D) away from boiler.
2
4
Release four screws (H) to remove the
inner case cover (J).
4
INSTALLATION
1
A
B
1
C
E
D
CONVERT FROM REAR FLUE OUTLET:
The boiler is supplied ready to fit a rear flue
outlet. To flue from the sides or top of the boiler,
follow the procedure below:
2
F
B
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
A
1
Remove the required side or top
'knock-out' panel (A) from the
outer casing (B).
2
Remove the flue outlet blanking plate
comprising: cover (D) and gasket (E) from
the inner casing (C) by removing the three
screws (F).
3
Refit the outlet blanking plate over
the rear flue outlet.
FLUE INSTALLATION
23
STANDARD FLUE INSTALLATION
1
NOTE: To ease assembly of the flue components,
lightly grease seals lightly with the
solvent-free grease supplied.
B
Check all the seals are seated properly in
the grooves provided and are in good
condition.
All flue joints must be sealed to prevent
leakage of condensate and flue products.
2
Installing the standard flue:
1
Set the flue terminal (B) to the distance
required, secure with screw and seal joint
with the aluminium tape supplied.
2
Slide the inner wall seal (C) onto the
terminal (B) as shown.
B
If fitting from inside the building; slide
the outer wall seal (K) onto terminal (B).
C
A
TOP
3
TOP
The flue terminal (B) MUST be fitted
with the label marked 'TOP' uppermost
to allow the correct fit and use of the
plume management system.
B
INSTALLATION
K
A
C
If fitting from the outside of the building;
position terminal (B) through the flue
opening of the building by the distance
shown, slide the outer wall seal (K) onto
terminal (B) to fit against the outer wall.
3
4
110
Roll the boiler into position on the floor
mounting frame.
Position connector (A) with the label
marked ‘TOP’ uppermost to align with the
three holes in the boiler inner casing (E).
mm
TOP
4
Position terminal (B) through the flue
opening in the wall to the outside and then
pull back to create a seal.
Secure using three hexagonal bolts (F).
A
F
E
5
Push-fit adaptor (G) into elbow (H) until
secured by the clip.
6
Slide adaptor (G) into the inner flue tube
of terminal (B) and push elbow (H) into
flue outlet (J) until secured by the retaining
clips ensuring a good seal is made.
G
5
Clip
H
6
G
H
E
J
24
STANDARD FLUE INSTALLATION
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
FLUE TERMINAL PLUME
MANAGEMENT
The flue discharge can be redirected allowing
some plume management control, alternatively,
a complete plume management system can be
fitted to the flue terminal.
2
A
Redirecting the flue discharge:
B
C
1
Remove screws (A) and terminal end
(B).
2
Spread the extra grease supplied into
the groove that runs around the terminal
outlet (C) to ensure a good seal is retained.
3
Rotate the detached end section (B) to
plume deflecting position, as shown and
refit using screws (A).
4
Loosen screws (D) and rotate the terminal
end (B & C) to redirect the plume.
DO NOT rotate the complete flue terminal
assembly.
A
Tighten screws (D) to secure in the
required position.
NOTE: The flue terminal outlet has built-in
stops to limit rotation for the horizontal flue
to allow condensate to run back into the
boiler for safe disposal. Do not to force
beyond the limit stops.
INSTALLATION
Important: should you wish to use the
plume deflector please use the additional
grease enclosed to ensure that an
adequate seal is retained.
1
3
B
±80°
4
D
C B
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
FLUE TERMINAL PLUME MANAGEMENT
25
CONDENSATE, GAS & WATER
CONNECTIONS
CONDENSATE CONNECTION:
H
The condensate pump (G) fills up and
periodically discharges through the flexible
condensate pipe (H) between 200mm to
4500mm from floor level. After this point the
condensate flows, due to gravity, down the
21.5mm plastic pipe to the outlet.
Max. 4500mm
Fit the bayonet connector on end of the
condensate waste pipe to the condensate
pump, push down and rotate clockwise
until the connector is locked.
Route and secure condensate waste pipe
(H) with clips supplied to prevent kinking
or restriction.
Min. 200mm
Cut off any excess pipe (H).
Fit the condensate waste pipe (H) to
adaptor (K) and secure with clip (J).
G
Connect adaptor (K) to 21.5mm plastic
pipe and terminate into an internal waste
trap.
INSTALLATION
(See Pre-Installation section for condensate
pipework running from the adaptor (K) to
the discharge outlet).
H
J
Never terminate or discharge into any
open source, including; sink, bath, shower,
bidet, toilet etc.
K
Note: Any external condensate pipework
should be protected with weather
resistant insulation to help prevent
freezing.
The flexible pipe supplied can only be
used inside the property.
CAUTION: ISOLATE THE MAINS SUPPLIES
BEFORE STARTING ANY WORK AND
OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
H
GAS AND WATER CONNECTIONS:
Remove the transit bungs (L) from the
gas and water connections (A, B & C) on
the boiler and mounting frame.
Note: Surplus water may be present due to
factory testing.
Ensure the area is clear of debris and
manoeuvre the boiler rear wheels onto the
outer rails of the mounting frame (F).
Take care when moving the boiler to
position the front wheels onto the rails
and align the gas/water connections and
the flue.
G
Secure boiler to mounting frame (F) with
screw (M)
Place the 2 larger valve sealing washers
(shown shaded) onto valves A & C.
F
M
Place the smaller valve sealing washer
onto valve B.
Ensure all pipework is clean.
A
B
Tighten the compression fittings to
secure:
C
L
A - CH flow (28mm).
B - Gas inlet (22mm).
C - CH return (28mm).
26
CONDENSATE, GAS & WATER CONNECTIONS
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
1
ELECTRICAL
2
CAUTION: ISOLATE THE MAINS
ELECTRICITY SUPPLY BEFORE STARTING
ANY WORK AND OBSERVE ALL RELEVANT
SAFETY PRECAUTIONS
A
Note: Mains supply to the boiler and system
wiring centre must be through a common
fused double pole isolator situated next to
the boiler. The isolator must have a contact
separation of 3mm minimum between all
poles. Any system connected to the boiler
must not have a separate electrical supply.
B
When stripping wires ensure copper strands
do not fall into the control box.
Access to electrical connections:
FROSTSTAT
3
C
Remove boiler casing to access control panel.
1 Remove screw (A) and swing the control
panel into the service position.
C
2 Remove the three screws (B) in the control
panel and remove the connections cover.
4
8
E
L
N
3 Unclip cable clamp (C).
SYSTEM
WIRING
WIRING
SYSTEM
CENTRE
CENTRE
4 Cut off the tapered cable entry to suit the
cable diameter.
D
5
5 Unscrew cable retaining screw (D).
Run the cable through the cable clamp (C)
ensuring there is ample cable to reach the
connectors.
boiler
demand
6 Tighten the cable retaining screw D to secure
the cable and replace clamp C into the
control panel.
6
INSTALLATION
WATER VALVE(S)
TANKSTAT
TIMER
ROOMSTAT
External fuse 3 Amps.
7 Mains power 230 Volt connection ST10:
High level
sensor
FR FS
ST6
L
NP LP
Condensate
pump
9
9
*
LZ NZ
8
7
LR
LS
NS
N
Connect EARTH wire to connector
Make the EARTH wire longer so that if the
cable is snagged, the EARTH wire is the last
to be pulled out.
External
stat
ST8
ST10
Connect NEUTRAL wire to terminal N
NOTE:
External
pump
ST25
Seperate wires from cable end and strip
to 6mm
Connect LIVE wire to terminal L
7
brown
green/yellow
blue
Neutral
N E
Live
Earth
Switched live
230V
MAINS
SUPPLY
L
*
Do not
remove link
(unless
used for
external
stat)
8 System wiring centre connection ST10:
Remove link
Connect LIVE wire to terminal Ls
Connect NEUTRAL wire to terminal Ns
Connect SWITHED LIVE to terminal LR
9 External pump must be wired back to the
boiler:
ST25
ST19
ST6
ST10
ST8
B
B
4
2
1
F
A
ST19
Connect pump LIVE to terminal Lz
Connect pump NEUTRAL to terminal Nz
10 Refit all panels
NOTES:
External diverter valve(s) and all other 230V
parts are not supplied with the boiler.
Refer to manufacturers instructions when
connecting external parts to the wiring centre.
Worcester, Bosch Group cannot be held
responsible for wiring errors.
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216a (07.2008)
ELECTRICAL
27
PRE-COMMISSION CHECKS
CAUTION: ISOLATE THE MAINS SUPPLIES
BEFORE STARTING ANY WORK AND
OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
4
1
Check that the service and water pipes
are connected to the correct valve on the
manifold;
A - CH flow (28mm)
B - Gas inlet (22mm)
C - CH return (28mm)
J H
2
Check all system and boiler drain points
are closed.
3
Check the gas type specified on the
identification plate matches that of the
gas supply.
Turn on the main gas supply and purge
the gas supply to the boiler ensuring that
the room is well ventilated.
COMMISSIONING
INSTALLATION
6
Test the gas supply for soundness as
described in BS 6891.
5
4
Check the flue is correctly fitted and the
connections are secure.
5
Check the condensate pipework is
correctly fitted and connected.
6
Refit inner case cover (J) and secure
with four screws (H).
3
IMPORTANT: If the boiler is not to be
commissioned immediately then:
2
1
A
B
C
after successfully completing all of the
checks and any rectification work, shut
off the gas supply and electrically isolate
the boiler.
Complete the installation part of the
Guarantee Registration Card.
28mm
28
22mm
PRE-COMMISSION CHECKS
28mm
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
FILLING THE SYSTEM
1
Open all system and radiator valves.
2
Open vented systems only;
Turn on the water main stop cock.
Turn on the water to the system header
tank and allow the system to fill.
3
Pressure gauge located externally on the
system;
Fill the system to 1 bar pressure via a
WRAS approved filling link.
4
Vent all radiators, retighten when
completed.
COMMISSIONING
Check the system and rectify any leaks.
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
FILLING THE SYSTEM
29
K
STARTING THE APPLIANCE
A
D
E
F
H
L
M
IMPORTANT: Never run the appliance
when the appliance or system is empty
or unpressurised.
Switching the appliance on/off:
1
Turn on mains power supply.
Turn on any external controls.
Set the thermostatic radiator controls to maximum.
Set the clock/programmer to continuously ON and
the room thermostat to maximum temperature.
B
C
2
Press button (A) and the power on indicator (B)
illuminates blue.
3
Turn the temperature control (C) to maximum.
The burner on indicator (D) illuminates green when
the burner has lit.
A - MASTER SWITCH FOR ON/OFF
B - MAINS ON/OFF INDICATOR + FAULT DIAGNOSTIC LIGHT (BLUE)
C - TEMPERATURE CONTROL
D - BURNER ON INDICATOR LIGHT (GREEN)
F - SERVICE BUTTON
NOTE: The boiler runs for 15 minutes at minimum heating
output to fill the condensate trap. This occurs
every time the mains supply has been interrupted.
H - NOT USED
4
E - FAULT RESET BUTTON
K - DISPLAY
If the boiler fails to light, the blue power indicator
(B) and reset button (E) will flash alternately.
To reset the boiler, press and hold the reset button
(E) for 2 seconds.
L - BOOST BUTTON (SERVICE ONLY)
M - NOT USED
CAUTION: DO NOT PRESS THE POWER
INDICATOR (B) TO RESET THE BOILER.
THE COMBUSTION FOR THE APPLIAN CE IS
FACTORY SET.
A
1
NO ADJUSTMENT IS REQUIRED IF THE GAS INLET
PRESSURE IS CORRECT.
2
CHECKING THE GAS INLET PRESSURE:
COMMISSIONING
The inlet pressure to the appliance must be checked
using the following procedure:
SETTING THE BOILER TO MAXIMUM:
Press boost button for ten seconds and set
temperature to maximum.
The boost button will illuminate continually.
B
MEASURING THE INLET PRESSURE:
Slacken the screw in the inlet pressure test point
and connect a manometer.
Measure the pressure with the boiler running at
maximum.
3
Check the gas supply working pressure at the gas
valve inlet point:
N.G. 17 - 19 mbar (18 mbar nominal)
D
L.P.G. 35 - 39 mbar (37 mbar nominal)
The gas rate should be measured at the gas meter
after 10 minutes operation at maximum. See
Technical Data section at the front of this manual.
(LPG) Where a gas meter is NOT available the
CO/CO2 must be checked to the units shown in
“Setting air/gas ratio”
C
Ensure inlet pressure is satisfactory with all other
gas appliances working.
Replace controls cover.
NOTE: This boiler is designed with a differential of
20°C across the heating system.
4
E
IMPORTANT: Do not continue
commissioning until the correct gas inlet
pressure is achieved.
If pressure is satisfactory press the boost button
again and the boiler will return to normal operation.
B
30
STARTING THE APPLIANCE
If left in service mode the control will return to normal
operation after 15 minutes.
Reseal the screw in the gas inlet pressure test
point.
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
WATER TREATMENT
IMPORTANT: Debris from the system can
damage the boiler and reduce efficiency.
Failure to comply with the guidelines for
the use of water treatment with the
appliance will invalidate the appliance
warranty.
FLUSHING (Central Heating):
Switch off the boiler.
Open vented systems only: turn off the
water to the system header tank.
Open all radiator valves/drain cocks and
drain the system while the appliance is
hot.
Close drain cocks.
Add a suitable flushing agent and refill
the system at the correct strength for the
system condition in accordance with the
manufacturer's instructions.
Run the boiler/system at normal operating
temperature for the time stated by the
flushing agent manufacturer.
Drain and thoroughly flush the system to
remove the flushing agent and debris.
INHIBITOR (Central Heating):
Add a suitable* inhibitor, (or combined
inhibitor/anti-freeze if the system is
exposed to freezing conditions) to the
heating system in accordance with the
manufacturers instructions.
The inhibitor or combined inhibitor/antifreeze must not cause damage to the
materials within the boiler (aluminium,
stainless steel, copper and brass) and any
other materials/components within the
system.
COMMISSIONING
Check drain cocks are closed and all
radiator valves are open.
Open vented systems only: turn on the
water to the system header tank and allow
the system to fill.
Sealed systems only: fill the system to
between 1 and 2 bar via a WRAS approved
filling loop.
Vent the boiler and all radiators; retighten
vents when complete.
Record the date when the inhibitor was
added to the system on the guarantee card.
NOTE:
The concentration level of inhibitor in the system
should be checked every 12 months or sooner
if system content is lost.
The addition of sealing agents to the system
water is not recommended as this can cause
problems with deposits left in the heat
exchanger.
* compatible with aluminium. The pH
value of the system water must be less
than 8 or the appliance guarantee will
be invalidated.
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
WATER TREATMENT
31
FINISHING COMMISSIONING
1
Engage top panel (D) onto rear retainers
(E) and lower front of panel into position.
Secure with screws (C).
2
D
2
Swing control panel assembly (A) into
the boiler.
Secure with screw (B).
3
C
E
Locate bottom corners of the front panel
(F) into retainers (G).
Push top of front panel to engage clips
(H).
A
B
COMMISSIONING
F
3
H
G
HANDOVER:
Complete the Benchmark log book at the
rear of the manual.
Set up the controls and show the user how
to operate all the controls shown in the
User Guide.
If the appliance is unused and exposed to
freezing conditions, advise the customer
of the precautions necessary to prevent
damage to the boiler, system and building.
In the event of the appliance being
inoperative, isolate the boiler and drain
the system and boiler.
32
FINISHING COMMISSIONING
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
CAUTION: TURN OFF THE GAS SUPPLY AND ISOLATE THE MAINS SUPPLIES
BEFORE STARTING ANY WORK AND OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS
IMPORTANT: AFTER REPLACEMENT OF ANY COMPONENTS ALWAYS CHECK FOR
GAS SOUNDNESS WHERE RELEVANT AND CARRY OUT FUNCTIONAL CHECKS
AS DESCRIBED IN COMMISSIONING. ANY O-RING OR GASKET THAT APPEARS
DAMAGED MUST BE REPLACED.
INSPECTION & SERVICE
IMPORTANT: Any service work must be
carried out by competent registered
engineers, such as British Gas or other
CORGI registered personnel.
NOTE: A service must NOT be attempted
if a CO/CO2 analyser is NOT available.
• To ensure the continued efficient operation
of the appliance it must be checked at
regular intervals.
• The frequency of servicing will depend
upon the particular installation conditions
and usage however, an annual service is
recommended.
• The extent of the service required by the
appliance is determined by the operating
condition of the appliance when tested by
fully qualified engineers.
INSPECTION:
Check that the terminal and terminal guard,
if fitted, are clear and undamaged.
If the appliance is in a compartment or
cupboard check that the specified service
space around the appliance is clear.
See 'Boiler Location & Clearances' under the
Pre-Installation section for compartment
clearances.
Check all the joints and connections in the
system and remake any that show signs of
leakage. Refill and re-pressurise the system
if applicable.
See 'Filling the System' and 'Water Treatment'
under the Commissioning section.
Refer to 'Fault Finding' under the Fault Finding
& Diagrams section for display codes and
rectification procedures.
A
D
E
F
H
L
M
SERVICING
& SPARES
K
Operate the appliance and take note of
any irregularities. Call up the last fault
stored by the Bosch Heatronic, Service
Function '.6A'.
B
C
A - MASTER SWITCH FOR ON/OFF
B - MAINS ON/OFF INDICATOR + FAULT DIAGNOSTIC LIGHT (BLUE)
C - TEMPERATURE CONTROL
D - BURNER ON INDICATOR LIGHT (GREEN)
E - FAULT RESET BUTTON
F - SERVICE BUTTON
H - NOT USED
K - DISPLAY
L - BOOST BUTTON (SERVICE ONLY)
M - NOT USED
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
33
INSPECTION & SERVICE
INSPECTION & SERVICE
1
Grip the outer sides of the front panel
(F) pull and lift away from retaining lugs.
2
Remove retaining screw (B) to swing
control panel assembly (A) outwards to its
full extent.
3
Release four screws (H) to remove the
inner case cover (J).
H
J
A
B
2
F
3
SERVICING
& SPARES
1
34
INSPECTION & SERVICE
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
INSPECTION & SERVICE
IMPORTANT: AFTER COMPLETING THE APPLIANCE SERVICE THE CO/CO2 MUST BE
CHECKED AND SET TO THE LIMITS IN THE SECTION “AIR/GAS RATIO”.
Primary Heat Exchanger:
There is a special accessory kit available (No.
840) specifically designed for cleaning the heat
exchanger. If required order 7 719 001 996.
A
1
1
Remove the cap (A) and connect a
manometer to the fan pressure test point.
After measurement replace test point
cap.
Pressure will read negative and be greater
than:
FS 30CDi - 4.1 mbar
FS 42CDi - 5.2 mbar
Pressures measured at less than these figures
will indicate that the heat exchanger will
require cleaning.
G
2
Remove the cleaning access cover (B),
seal (C) and metal plate (D) securing it, if
present.
3
Unscrew the condensation trap cap and
place a suitable container underneath.
To Remove Condensate pump:
Disengage condensate pipe from
condensate pump.
Remove condensate pump from base
panel.
After servicing the heat exchanger, fill
the condensate trap with approximately
1/4 litre of water and refit in reverse order.
To Clean the Heat Exchanger:
4
2
Loosen any deposits in the heat exchanger
from top to bottom using the cleaning
blade.
Clean the heat exchanger from top to
bottom using the brush.
B
C
D
After re-assembly check CO/CO2 levels
as described in the section “Setting the
air/gas ratio”
3
SERVICING
& SPARES
Refit the “clean out” coverplates in
reverse order using a new seal (C) and
tighten screws to a torque of 5 Nm.
4
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
INSPECTION & SERVICE
35
INSPECTION AND SERVICE
Burner:
Check that the boiler is completely isolated
from the gas supply.
1
C
Remove the clips (A), castellated nuts
(B1) and springs (B2) from the studs (B).
Unscrew and remove the two hexagon
headed screws (C) securing the fan.
A
Remove nut (D1) from the rear stud (D).
D1
Remove the burner cover plate (E).
2
E
Remove the burner (F) and clean the
components.
Do not use a wire brush.
F
B1
D
B2
G
Re-assemble burner in reverse order
using a new seal (G).
After re-assembly check CO/CO2 levels
as described in the section “Setting the
air/gas ratio”
For sealed systems only:
Max pressure:
When the heating system water is at
maximum temperature, 2.65 bar must not
be exceeded. If this pressure is exceeded
then an extra expansion vessel must be
fitted into the system return as close as
possible to the appliance.
If the system does not retain the pressure,
the expansion vessel and the heating
system should be checked for leaks.
B
Electrical wiring:
Check the electrical wiring for physical
damage and replace any damaged wires.
To check the flap valve in fan intake:
Refer to page 38 for access to the fan
intake.
SERVICING
& SPARES
Carefully withdraw the flap valve from fan
intake tube and check for soiling and splits,
clean or replace as required.
Take care when refitting the flap valve, the
flaps must open upwards into the fan intake
tube.
After re-assembly check CO/CO2 levels
as described in the section “Setting the
air/gas ratio”
To clean the condensate trap:
Remove pipe from condensate pump.
Remove screw retaining trap (F) and push
trap downwards until clear.
F
36
INSPECTION AND SERVICE
Remove trap from boiler along with pipe
to condensate pump.
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
CAUTION: TURN OFF THE GAS SUPPLY AND ISOLATE THE MAINS ELECTRICAL
SUPPLY BEFORE STARTING ANY WORK AND OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
DRAIN THE BOILER/SYSTEM WHERE NECESSARY AND PROTECT ANY ELECTRICS
FROM WATER INGRESS DURING COMPONENT REPLACEMENT.
IMPORTANT: Refit or replace any components removed from the appliance in the
reverse order using new gaskets/'O' rings/sealant/heat transfer paste where
necessary.
Any 'O' ring or gasket that appears damaged must be replaced. Always check that
any electrical connections are correctly made and that all screws are tight.
AFTER REPLACEMENT OF ANY COMPONENTS ALWAYS CHECK FOR GAS
SOUNDNESS WHERE RELEVANT AND CARRY OUT FUNCTIONAL CHECKS AS
DESCRIBED IN THE COMMISSIONING SECTION.
REPLACEMENT PARTS
IMPORTANT: Any service work must be
carried out by competent registered
engineers, such as British Gas or other
CORGI registered personnel.
IMPORTANT: After re-assembly the
combustion must be checked using the
procedure in the section “Setting the
air/gas ratio”. Measurement and setting
of the gas ratio must not be attempted
unless the person is equipped with a
combustion analyser conforming to
BS 7927 and is competent in its use.
DRAINING THE APPLIANCE:
Turn off the system heating flow and
return stop cocks - external to boiler.
Using a suitable hose, attach one end
to the drain tap on the boiler return
elbow and lead the other end of the
hose to an external drain point.
Fully open the drain tap on the boiler
return elbow.
Close the drain tap when the flow from
the appliance has stopped and remove
the hose.
A
NOTE:
A small quantity of water may remain in some
components even after the appliance has been
drained. Protect any electrical components
when removing items from the water circuits.
B
PCB CONTROL BOARD & TRANSFORMER:
Access to boiler control components
Remove screws (A) to release the cover
from the controller.
Spare Fuse order
T1.6L 250V F2
Remove the fuse (B) and replace with
a spare that are clipped on the inside
of the controller cover.
Transformer / PCB
T2.5H 250V F1
T500L 250V F3
Disconnect all electrical connections
from the control.
Remove the screws (C) retaining the rear
panel of the control and remove the
panel.
SERVICING
& SPARES
PCB Fuse
After re-assembly check CO/CO2 levels
as described in the section “Setting the
air/gas ratio”
C
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
37
REPLACEMENT PARTS
REPLACEMENT PARTS
A
B
C
Fan Assembly:
Undo lower pipe union on gas pipe (E).
Remove fan lead and earth connector.
The earth connector has a positive clip fixing.
Remove fixing screws (C) attaching fan
(A) to the burner cover (B).
F
Remove fan (A) with gas pipe (E) and
mixer unit (D).
Twist mixer unit (D) with gas pipe (E) to
separate from fan (A).
D
After reassembly, check CO/CO2 levels
as described in “Setting the air/gas ratio”
section.
Flap Valve:
Undo lower pipe union on gas pipe (E).
Remove pipe (E) by pushing upwards
and to the rear.
Twist mixer unit (D) with gas pipe (E) to
separate from fan (A).
Remove flap valve (F) from within fan
intake (A) and replace.
NOTE: Ensure the flap valve is fitted correctly
with rubber flaps opening upwards.
E
After reassembly, check CO/CO2 levels
as described in “Setting the air/gas ratio”
section.
Condensate pump:
Disconnect electrical connections in
control box, see wiring schematic in the
‘Fault finding & Diagrams’ section..
H
J
G
Remove 15mm flexible tube (H) from
pump by rotating anti-clockwise and pulling
up.
Remove black flexible pipe (J) from
condensate tank. Take care as there may
be condensate remaining in the pipe.
SERVICING
& SPARES
Carefully remove the condensate pump
(G) from the boiler and pour any excess
condensate into a suitable container for
safe disposal.
38
REPLACEMENT PARTS
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
REPLACEMENT PARTS
Sensors:
Check that the appliance is electrically
isolated.
Flow temperature sensor (A):
Remove the connector.
Release the sensor clip and withdraw
the sensor.
Apply heat transfer paste to the
replacement sensor.
A
Safety temperature limiter (B):
B
Remove the connectors.
Unscrew the sensor.
Flue Temperature limiter (H):
Remove the connector.
SERVICING
& SPARES
Unscrew the sensor.
H
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
REPLACEMENT PARTS
39
REPLACEMENT PARTS
Condensate trap:
Move control panel into service position.
Remove inner case door.
Remove screw retaining trap (F) and
push trap downwards until clear.
F
Remove trap from boiler along with pipe
to condensate pump.
Gas valve:
Check that the gas cock is turned off.
Remove condensate pump.
1
Undo the union, within the inner casing,
securing the valve to the gas/air tube.
2
Remove the black rubber cap from the
gas valve (G).
3
Release the gas inlet union at the inlet.
4
Remove the solenoid connections at the
front of the gas valve.
Remove gas valve and gas inlet pipe
together.
Transfer the inlet pipe assembly to the
new gas valve.
Check for gas soundness when the new
gas valve has been fitted.
1
2
Re-check the combustion performance.
After re-assembly check CO/CO2 levels
as described in the section “Setting the
air/gas ratio”
G
SERVICING
& SPARES
4
3
40
REPLACEMENT PARTS
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
REPLACEMENT PARTS
Electrode assembly:
Switch off the master switch.
Isolate appliance from the power supply.
Move control panel into service position.
Release 4 screws to remove inner case
door.
Remove the leads from the electrodes.
Unscrew the two fixing screws (B) and
carefully remove the electrode assembly
(A).
Replace and re-connect the assembly
taking care not to mislay the inspection
window.
D
C1
C2
E1
After re-assembly check CO/CO2 levels
as described in the section “Setting the
air/gas ratio”
F
Burner:
G
C3
Check that the gas cock is turned off and
the master switch is in the OFF position.
Isolate appliance from the power supply.
Remove the clips (C1), castellated nuts
(C) and springs (C3) from the studs (C).
E
H
Unscrew and remove the 2 hexagon
screws (D) securing the fan.
Remove nut and washer (E1) from the
rear stud (E).
Remove the burner coverplate (F).
Remove the burner (G).
Re-assemble the new burner in reverse
order, inspect seal (H) for damage and
replace if necessary.
A
C
After re-assembly check CO/CO2 levels
as described in the section “Setting the
air/gas ratio”
Primary heat exchanger:
Turn off all isolation valves.
Drain down appliance.
Move control panel into service position.
Remove inner case door.
J
K
Remove fan assembly, burner, gas mixing
tube.
SERVICING
& SPARES
Isolate appliance from the power supply.
B
Disconnect and remove sensors
connected to heat exchanger.
Remove condensate trap.
Remove internal flue elbow and tube
from boiler sump.
Disconnect return pipe union (J) at the
base of the boiler heat exchanger.
Remove plastic nut (K) from the base of
the inner casing.
Remove heat exchanger from inner casing.
Ensure heat conductive paste is used on
sensors when refitting.
Check the seals and replace if necessary.
After re-assembly check CO/CO2 levels
as described in the section “Setting the
air/gas ratio”
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
41
REPLACEMENT PARTS
SETTING THE AIR/GAS RATIO
1
IMPORTANT: The appliance is set at the
factory and adjustment to the CO2
settings (air/gas ratio) is only required
where the appliance has been stripped
down and assembled or if the fan, burner
or gas valve are replaced or the appliance
has been converted to a different gas
type.
A
The air/gas ratio may only be adjusted on
the basis of a CO2 measurement at
maximum and minimum heat output using
an electronic tester.
Setting the gas ratio MUST ONLY be
carried out by a competent person
equipped with a combustion analyser
conforming to BS 7927 and competent in
its use.
2
B
1
Connect manometer to the inlet pressure
point (A) on the gas valve.
2 To adjust the CO2 it will be necessary to
first operate the boiler at maximum output.
Press and hold down the boost button
(B) for 10 seconds.
Greenstar FS 30CDi
C
GAS TYPE
3
Natural Gas
Type H (G20)
CO2 setting
maximum.
CO2 setting
minimum.
9.4 ±0.5%
8.6 ±0.5%
LPG (propane)
10.8 ±0.5%
(G31)
Turn temperature control (C) to
maximum, the boiler will then go to
maximum output.
Note: the control will resume normal
operation after 15 minutes or if the boost
button (B) is pressed for more than 1 second.
10.4 ±0.5%
3
Greenstar FS 42CDi
D
GAS TYPE
Natural Gas
Type H (G20)
CO2 setting
maximum.
CO2 setting
minimum.
9.4 ±0.5%
9.0 ±0.5%
SERVICING
& SPARES
LPG (propane)
10.8 ±0.5%
(G31)
Remove plastic cap and using a flat
bladed screwdriver, set the CO2 via adjuster
(D) referring the table opposite.
Note: CO2 should be measured 10 minutes
after firing the boiler.
Check the CO is less than 200ppm.
Measure the inlet pressure, it should be
between 17 - 19mbar (nominally 18 mbar)
for Natural Gas and between 35 - 39mbar
(nominally 37mbar) for LPG.
10.4 ±0.5%
4
Turn the temperature control (C) to
minimum. This will make the boiler go to
minimum output.
5
Measure the CO2 it should now be at the
figure for minimum output shown on the
table opposite. If not, remove cap and
adjust (E) on the gas valve until correct.
4
Check the CO is less than 200ppm.
Turn temperature control to maximum
output and recheck the CO2. If correct,
hold down the boost button (B) for two
seconds, the boiler should return to normal
operating mode with the blue power
indicator permanently illuminated.
C
5
Remove manometer and re-seal the inlet
pressure point on the gas valve.
E
Fit a new plastic sealing cover to outlet
adjuster (D) and replace the cap on the
gas valve.
Remove red arrow from data plate and
fit a new one in the correct position for
gas type.
42
SETTING THE GAS/AIR RATIO
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
SHORT PARTS LIST
1
2
3
1 Burner:
Part No. 8 718 006 658 0
(GC No. E27 200)
2 Fan assembly:
30kW Part No. 8 717 204 410 0
(GC No. H66-918)
42kW Part No. 8 717 204 453 0
4
5
(GC No. H26-536)
6
3 Temperature sensor:
Part No. 8 714 500 087 0
(GC No. E74 536)
4 Temperature limit (Flue or heat exchanger):
Part No. 8 722 963 858 0
(GC No. H08 291)
5 Gas valve - SIT 848:
Part No. 8 718 221 347 0
(GC No. H56-469)
6 Condensing Pump:
7
Part No. 8 716 114 077 0
8
9
(GC No. H66-(921)
7 Auto air vent 3/8” BSP:
Part No. 8 716 140 500 0
(GC No. E00-717)
8 Electrodes - set:
Part No. 8 718 107 078 0
(GC No. E74-535)
9 Printed circuit board:
Part No. 8 748 300 606 0
(GC No. H66-923)
10
10 Seal - Burner
Part No. 8 711 004 168 0
SERVICING
& SPARES
(GC No. E27-201)
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
SHORT PARTS LIST
43
L.P.G. CONVERSION
Change code plug:
1
Release three screws (A) to remove cover
(B).
2
Remove and dispose of the existing code
plug (C).
C
Replace with new conversion code plug.
2
N.G. code plug number:
FS 30CDi 1704
FS 42CDi 1706
L.P.G. code plug number:
B
FS 30CDi 1705
FS 42CDi 1707
Refit panel (B) and secure with three
screws (A).
1
Change gas pipe:
A
3
Rotate gas pipe (D) anti-clockwise, pull
upwards and remove gas pipe.
4
Replace with new conversion gas pipe
(E), push downwards and rotate clockwise
to lock into position.
Conversion label:
3
Replace existing label with new
conversion label.
D
b
Adjust the CO2 level:
See “Setting the air/gas ratio” under Servicing
& Spares section.
a
c
CONVERSION
KITS
4
b
E
a
c
44
L.P.G. CONVERSION
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
ELECTRICAL WIRING DIAGRAM
FLAME SENSE
ELECTRODE
SPARK
ELECTRODES
Orange or Green
Red
PRIMARY
FLOW NTC
PRIMARY
OVERHEAT
Colour sequence
FAN
e
ng
ra
O
FLUE
OVERHEAT
Orange
SAFETY
SOLENOID
Violet
Blue
SAFETY
SOLENOID
EXTERNAL
PUMP
CONTROL
PUMP
MAINS
SUPPLY
HIGH LEVEL
SENSOR
Earth
EXTERNAL
WIRING CENTRE
Y or S PLAN
PUMP
SUPPLY
CONDENSATE
PUMP
Colour sequence
ST19
*
ST25
ST5
L
ST10
IGNITION
TRANSFORMER
ST6
Fuse, slow
2.5 A, AC 230 V
ST8
EXTERNAL
STAT
*
* Pre-linked
ST9
9V/25 V
Blue
Blue
Violet
Violet
Orange
Orange
Green or Orange
FAULT FINDING
& DIAGRAMS
LR Ls Ns N
B
B
4
2
1
F
A
Pink
230 V
Fuse, slow T 0.5 A
Red
Red
230V/AC
Fuse, slow T1.6 A
ST1
DIAGNOSTIC
INTERFACE
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
CODE
PLUG
ST18
6 720 612 485-01.1O
45
ELECTRICAL WIRING DIAGRAM
46
POWER
SWITCH
ON
CENTRAL HEATING FUNCTION
DING
AMS
BLUE
LIGH T
ON
FAULT FINDING
& DIAGRAMS
Room
thermostat and/or
mains
programmer ON
and TEMP
control knob ON
GREEN
FLAME
LIGH T
ON
5th
attempt?
NO
Spark
ignition
4 seconds
Stop spark.
Wait
10 seconds
NO
BURNER
LIT?
IG N ITION SEQ UE NC E
IGNITION
SE QU EN CE
(see detail)
FAULT FINDING
& DIAGRAMS
Fan to
start
speed.
YES
Pump ON.
LOCK OUT
DE MAND
3 minute wait
Gas valve OFF.
Fan overrun
30 seconds
YES
10 second
stabilisation
period.
Fan (& gas)
modulation
to achieve
set
temperature
(40-82 °C)
Over temperature shutdown if water temperature is 5°C above set
value.
Gas valve
OFF
Pump run 3
minutes
Fan run 30
seconds
EN D OF
BO ILER
DE MAND
BOILER FUNCTION
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
FAULT FINDING
BOILER - FAULT CODES AND CONDITIONS
Display
NOTE ; This fault finding information is for
guidance only. Worcester, Bosch Group cannot
be held responsible for costs incurred by persons
not deemed to be competent.
Fault description:
Check, repair/replace as necessary:
A8
EMS coms error
check electrical connections.
b1
Code plug not detected
Insert code plug correctly.
The electronic control system for this boiler
incorporates a blue central indicator. This
normally confirms the permanent mains supply,
but, by flashing during a fault, provides a guide
to the cause as listed.
b5, b6
Data error
software/PCB error.
Preliminary checks:
b7
Burner control error
software/PCB error.
C6
Fan defect
check fan, lead and connector.
D5
Condensate overflow
check condensate pump and leads.
Preliminary electrical system checks are the
first electrical checks to be carried out during
a fault finding procedure.
EA
Burner control lockout
check gas supply and igniter electrode.
E2
Primary NTC defect
check NTC and lead.
On completion of the Service/Fault finding
task which has required the breaking and
remaking of electrical connections, check:
E9
OH stat tripped
Check system pressure and pump
a) EARTH CONTINUITY
F0
Internal error
check electrical connector contacts.
F1
ROM check error
software/PCB error.
F7
Flame detected after
Code:
b2, b3, b4
appliance shut off
b) SHORT CIRCUIT CHECK
c) POLARITY
d) RESISTANCE TO EARTH.
check electrode assembly, dry PCB.
Flame detected after gas
FA
Fd
shut off
check gas valve and leads.
Reset button pressed
press reset button again.
CONDENSATE PUMP - OPERATING LAMPS AND FAULT CONDITIONS
Ready for operation
Fault
Pump running
Operating lamps
=
=
=
Steady green light
Red light
Flashing green light
Cause
Solution
Red
Off
Off
Mains plug not plugged in
Power failure
Insert plug
Check mains and fuse
Flashing
Flashing
Dry-run
(poss. air in pump)
Pump restarts automatically
after one minute
On
Flashing
Pump blocked
Visual inspection of the pump inlet
in the tank and removal or
rinsing out of dirt/foreign bodies
On
On
Level exceeds alarm level
Pressure hose / non-return valve
blocked (clean or remove kink
if applicable)
Off
Flashing
Pump blocked and
alarm level exceeded
Visual inspection of the pump inlet
in the tank and removal or
rinsing out of dirt/foreign bodies
FAULT FINDING
& DIAGRAMS
Green
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
47
FAULT FINDING
GAS BOILER COMMISSIONING CHECKLIST
This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating
compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference.
Failure to install and commission this equipment to the manufacturer’s instructions may invalidate the warranty but does not affect statutory rights.
Customer Name
Telephone Number
Address
Boiler Make and Model
Boiler Serial Number
Commissioned by (print name)
CORGI ID Number
Company Name
Telephone Number
Company Address
Commissioning Date
To be completed by the customer on receipt of a Building Regulations Compliance Certificate*:
Building Regulations Notification Number (if applicable)
CONTROLS Tick the appropriate boxes
Time and Temperature Control to Heating
Room Thermostat and
Programmer/Timer
Programmable
Room Thermostat
Time and Temperature Control to Hot Water
Load/Weather
Compensation
Optimum Start
Control
Cylinder Thermostat and Programmer/Timer
Combination Boiler
Heating Zone Valves
Fitted
Not Required
Hot Water Zone Valves
Fitted
Not Required
Thermostatic Radiator Valves
Fitted
Not Required
Automatic Bypass to System
Fitted
Not Required
Boiler Interlock
Provided
ALL SYSTEMS
The system has been flushed and cleaned in accordance with BS7593 and boiler manufacturer’s instructions
Yes
What system cleaner was used?
What inhibitor was used?
litres
Quantity
CENTRAL HEATING MODE Measure and Record:
Gas Rate
m3/hr
OR
Burner Operating Pressure (if applicable)
mbar
OR
ft3/hr
Gas Inlet Pressure
mbar
Central Heating Flow Temperature
°C
Central Heating Return Temperature
°C
COMBINATION BOILERS ONLY
Is the installation in a hard water area (above 200ppm)?
Yes
No
If yes, has a water scale reducer been fitted?
Yes
No
What type of scale reducer has been fitted?
DOMESTIC HOT WATER MODE Measure and Record:
Gas Rate
m3/hr
OR
Burner Operating Pressure (at maximum rate)
mbar
OR
ft3/hr
Gas Inlet Pressure (at maximum rate)
mbar
°C
Cold Water Inlet Temperature
Hot water has been checked at all outlets
Yes
°C
Temperature
l/min
Water Flow Rate
CONDENSING BOILERS ONLY
The condensate drain has been installed in accordance with the manufacturer’s instructions and/or BS5546/BS6798
Yes
ALL INSTALLATIONS
If required by the manufacturer, record the following
CO2
%
OR
CO
ppm
The heating and hot water system complies with the appropriate Building Regulations
OR CO/CO2 Ratio
Yes
The boiler and associated products have been installed and commissioned in accordance with the manufacturer’s instructions
Yes
The operation of the boiler and system controls have been demonstrated to and understood by the customer
Yes
The manufacturer’s literature, including Benchmark Checklist and Service Record, has been explained and left with the customer
Yes
Commissioning Engineer’s Signature
Customer’s Signature
(To confirm satisfactory demonstration and receipt of manufacturer’s literature)
*All installations in England and Wales must be notified to Local Authority Building Control (LABC) either directly or through a Competent Persons Scheme.
A Building Regulations Compliance Certificate will then be issued to the customer.
48
©Heating and Hotwater Industry Council (HHIC)
www.centralheating.co.uk
SERVICE RECORD
It is recommended that your heating system is serviced regularly and that the appropriate Service Record is completed.
Service Provider
Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s
instructions.
Always use the manufacturer’s specified spare part when replacing controls.
SERVICE 1
SERVICE 2
Date
Energy Efficiency Checklist completed?
Yes
No
Date
Energy Efficiency Checklist completed?
Engineer Name
Engineer Name
Company Name
Company Name
Telephone Number
Telephone Number
CORGI ID Number
CORGI ID Number
Comments
Comments
Signature
Signature
SERVICE 3
SERVICE 4
Date
Energy Efficiency Checklist completed?
Yes
No
Engineer Name
Company Name
Company Name
Telephone Number
Telephone Number
CORGI ID Number
CORGI ID Number
Comments
Comments
Signature
Signature
SERVICE 5
SERVICE 6
Date
Yes
No
Engineer Name
Company Name
Company Name
Telephone Number
Telephone Number
CORGI ID Number
CORGI ID Number
Comments
Comments
Signature
Signature
SERVICE 8
Date
Energy Efficiency Checklist completed?
Yes
No
Energy Efficiency Checklist completed?
Engineer Name
Company Name
Company Name
Telephone Number
Telephone Number
CORGI ID Number
CORGI ID Number
Comments
Comments
Signature
Signature
SERVICE 9
No
Yes
No
Yes
No
Yes
No
Date
Engineer Name
SERVICE 10 Date
Date
Energy Efficiency Checklist completed?
Yes
Date
Energy Efficiency Checklist completed?
Engineer Name
SERVICE 7
No
Date
Energy Efficiency Checklist completed?
Engineer Name
Energy Efficiency Checklist completed?
Yes
Yes
No
Energy Efficiency Checklist completed?
Engineer Name
Engineer Name
Company Name
Company Name
Telephone Number
Telephone Number
CORGI ID Number
CORGI ID Number
Comments
Comments
Signature
Signature
Dedicated to heating comfort
Worcester, Bosch Group
Cotswold Way, Warndon, Worcester WR4 9SW
Tel. 01905 754624 Fax. 01905 754619
Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd.
worcester-bosch.co.uk
8 716 115 216b (09.2008)