Baxi BAXI COMBI INSTANT 80 HE Operating instructions

User’s Operating Instructions
Baxi Combi Instant 80e & 105e
Gas Fired Wall Mounted Combination
Boiler
Please keep these instructions safe.
Should you move house, please hand
them over to the next occupier.
Natural Gas
Baxi Combi Instant 80e
G.C.No 47 075 13
Baxi Combi Instant 105e
G.C.No 47 075 09
Baxi is one of the leading manufacturers of domestic
heating products in the UK.
Our first priority is to give a high quality service to our
customers. Quality is designed into every Baxi product
- products which fulfil the demands and needs of
customers, offering choice, efficiency and reliability.
To keep ahead of changing trends, we have made a
commitment to develop new ideas using the
latest technology - with the aim of continuing to
make the products that customers want to buy.
Everyone who works at Baxi has a commitment to
quality because we know that satisfied customers
The boiler meets the requirements of Statutory Instrument
“ The Boiler (Efficiency) Regulations 1993 No 3083” and is
deemed to meet the requirements of Directive 92/42/EEC
on the energy efficiency requirements for new hot water
boilers fired with liquid or gaseous fuels:Type test for purpose of Regulation 5 certified by:
Notified Body 0051.
mean continued success.
Product/Production certified by:
Notified Body 0051.
We hope you get a satisfactory service from Baxi. If
not, please let us know.
Baxi is a BS-EN ISO 9001
Accredited Company
2
For GB/IE only.
Legislation
IMPORTANT - Installation, Commissioning, Service & Repair
This appliance must be installed in accordance with the manufacturer’s
instructions and the regulations in force. Read the instructions fully before
installing or using the appliance.
In GB, this must be carried out by a competent person as stated in the Gas
Safety (Installation & Use) Regulations.
Definition of competence: A person who works for a CORGI registered
company and holding current certificates in the relevant ACS modules, or
valid ACoP equivalents, is deemed competent.
In IE, this must be carried out by a competent person as stated in I.S. 813
“Domestic Gas Installations”.
This product should be lifted and handled by two people. Stooping should be
avoided and protective equipment worn where necessary. Carrying & lifting
equipment should be used as required.
The addition of anything that may interfere with the normal operation of the
appliance without express written permission from the manufacturer or his
agent could invalidate the appliance warranty. In GB this could also infringe
the Gas Safety (Installation and Use) Regulations.
Warning - Check the information on the data plate is compatible with local
supply conditions.
“Benchmark”
Installation, Commissioning and Service Record Log Book
Please ensure that your installer has completed the Installation and
Commissioning sections of the Log Book and hands the Log Book over. The
details of the Log Book will be required in the event of any warranty work.
Keep the Log Book in a safe place and ensure that the relevant sections are
completed at each subsequent regular service visit.
All CORGI registered installers carry a CORGI identification card and have a
registration number. Both should be recorded in your boiler Log Book. You
can check your installer is registered by telephoning +44 (0)1256 372300 or
writing to:1 Elmwood,
Chineham Business Park,
Crockford Lane,
Basingstoke. RG24 8WG
Baxi declare that no substances harmful to health
are contained in the appliance or used during
appliance manufacture.
The appliance is suitable only for installation in GB
and IE and should be installed in accordance with
the rules in force, and only used in a suitably
ventilated location.
In GB, the installation must be carried out by a CORGI
Registered Installer. It must be carried out in accordance
with the relevant requirements of the:
• Gas Safety (Installation & Use) Regulations.
• The appropriate Building Regulations either The
Building Regulations, The Building Regulations
(Scotland), Building Regulations (Northern Ireland).
• The Water Fittings Regulations or Water Byelaws in
Scotland.
• The Current I.E.E. Wiring Regulations.
Where no specific instructions are given, reference
should be made to the relevant British Standard Code of
Practice.
In IE, the installation must be carried out by a competent
Person and installed in accordance with the current
edition of I.S. 813 ‘Domestic Gas Installations’, the
current Building Regulations and reference should be
made to the current ETCI rules for electrical installation.
All systems must be thoroughly flushed and
treated with inhibitor.
Codes of Practice, most recent version should
be used
In GB the following Codes of Practice apply:
Standard
Scope
BS 6891
Gas Installation.
BS 5546
Installation of hot water supplies for
domestic purposes.
BS 5449
Forced circulation hot water systems.
BS 6798
Installation of gas fired hot water boilers.
BS 5440 Part 1
Flues.
BS 5440 Part 2
Ventilation.
BS 7074
Expansion vessels and ancillary equipment
for sealed water systems.
BS 7593
Treatment of water in domestic hot water
central heating systems.
In IE the following Codes of Practice apply:
Standard
Scope
I.S. 813
Domestic Gas Installations.
The following BS standards give valuable additional information;
BS 5546
Installation of hot water supplies for
domestic purposes.
BS 5449
Forced circulation hot water systems.
BS 7074
Expansion vessels and ancillary equipment
for sealed water systems.
BS 7593
Treatment of water in domestic hot water
central heating systems.
3
1.0 Warnings
1.1
In an Emergency
If a water or gas leak occurs or is suspected, the
boiler can be isolated at the inlet valves as
follows;
1. Turn off the electrical supply and turn the
selector switch on the facia box to the OFF
position.
Gas Tap
2. Using a suitable open ended spanner or
screwdriver turn the square on the gas tap to the
left to isolate the gas supply at the boiler (Fig. 1).
Fig. 1
3. The isolating valves are positioned under the
boiler and can be closed by turning their taps to
the right towards the wall (Fig. 2).
Fig. 2
Heating Flow, Heating Return
and Mains Water Inlet
Isolating Valves
4. Call your installer or Service Engineer as soon
as possible.
1.2
In case of gas leaks
1. If a gas leak is found or suspected, turn off the
gas supply at the meter immediately and at the
isolating valve on the boiler if possible. Contact
your Gas Supplier immediately.
1.3
Servicing your Appliance
1. For reasons of safety and economy your
appliance should be serviced annually. Servicing
must be performed by a competent person. Your
installer or Service Engineer will be able to advise
you.
2. Any purpose provided ventilation should be
checked periodically to ensure that it is free from
obstruction.
1.4
Electricity Supply
1. THIS APPLIANCE MUST BE EARTHED.
2. A standard 230V ~ 50Hz supply is required.
The appliance must be protected by a 3 amp
fuse.
Never Hang Flammable Items Over The
Appliance
4
2.0 Introduction
2.1
Introduction
1. Your Baxi Combi Instant 80e or 105e is a gas
fired, room sealed, powered flue combination
boiler, providing central heating for your home and
mains fed domestic hot water to taps and shower.
It is fully automatic and does not have a pilot light.
2. Priority is given to the hot water mode - when a
hot water tap is turned on the supply of heat to the
central heating circuit is interrupted.
2.2
Instant Domestic Hot Water
1. The boiler expansion vessel incorporates a
small volume of stored primary hot water.
2. When the boiler has been off and there is then a
demand for domestic hot water the stored primary
hot water ensures that domestic hot water is
supplied instantly at temperature.
PREHEAT
OFF
30° 40° 50° 60° 70° 80°
2
1
3
4
ON
0
bar
1
Fig. 3
2
6
7
3
8
4
9
10
5
11
30° 40° 50° 60° 70° 80°
3. The stored hot water is part of the primary
circuit. This is not supplied as domestic hot water,
which is fresh mains water heated by a heat
exchanger within the boiler.
4. The stored primary hot water temperature is
maintained whilst the boiler is in operation. During
a period when there is no demand for heating or
hot water the temperature of the stored primary hot
water will eventually fall. The boiler will operate
occasionally in order to maintain the temperature.
This is indicated by the domestic hot water mode
neon flashing (item 13 of Fig. 3).
2.3
12
13
14
15
KEY TO FACIA PANEL (Fig. 3)
1. On/Off/Reset Selector Switch
2. Central Heating Temperature Control
3. Pre-Heat Control
4. Central Heating System Pressure Gauge
5. Optional Integral Timer Position
Neon Indicators
6. Flame Failure
7. Safety Thermostat Activated
8. Fault on Fan or Flue
9. Fault on Pump or Low System Pressure
10. Fault on Hot Water Sensor
11. Fault on Central Heating Sensor
12. Power On
13. Domestic Hot Water Mode
14. Central Heating Mode
15. Burner On
When neons 6 to 11 are
constantly illuminated, they
indicate the temperature of
the central heating water.
Facia Panel
1. The facia panel is behind the hinged lower door.
As well as the on/off/reset selector switch, central
heating temperature control knob, pre-heat control
and pressure gauge, the facia incorporates ten
neon indicator lights.
2. Neons 12 to 15 indicate the operational status of
the boiler. Neons 6 to 11 have a dual function,
indicating the temperature of the central heating
water when constantly illuminated. If a fault
develops the appropriate neon will begin to flash.
Refer to Sections 3.3 to 3.7.
5
3.0 Operating the Boiler
3.1
Operating the Boiler
1. Ensure that the electricity and gas supplies are
turned on. Check that the central heating pressure
is between 0.5 and 1.0 bar (Fig. 4).
6
7
8
9
2. Turn the On/Off/Reset selector switch either
anti-clockwise from the off position (Fig. 6) to both
central heating and domestic hot water or
clockwise to domestic hot water only.
10 11
30° 40° 50° 60° 70° 80°
3. In either position the green power on indicator
( ) will illuminate (Fig. 5).
2
1
Burner On
Neon
4
0
Fig. 5
3
Power On
Neon
4. Position (i) In this position the central heating
will operate according to demand or provide
domestic hot water when a tap or shower is turned
on (Fig. 7). Priority is given to domestic hot water.
The central heating/hot water neon (
) will
illuminate (Fig. 5). Neons 6 to 11 will illuminate as
the temperature rises.
bar
Domestic
Hot Water
Neon
Central
Heating Neon
Central Heating
System Pressure
Gauge
Fig. 4
6. The boiler will light automatically on demand.
PREHEAT
OFF
30° 40° 50° 60° 70° 80°
5. Position (ii) In this position hot water will be
provided when a tap or shower is turned on
(Fig. 8). The hot water neon (
) will illuminate
(Fig. 5).
2
1
3
4
ON
0
bar
IMPORTANT: When the selector switch is in
the ‘0’ (Off) position the electrical supply to the
boiler is isolated. The boiler will not operate and
the integral timer (if fitted) will require resetting
once the selector switch is set to either Position
(i) or Position (ii).
On/Off/Reset
Selector Switch
OFF Position
Position (i)
(Central Heating or Hot Water)
Fig. 6
Fig. 7
Fig. 8
6
7. The orange burner on neon (
) will illuminate
when the boiler is operating and the main burner is
on (Fig. 5).
Position (ii)
(Hot Water)
3.0 Operating the Boiler
3.2
Temperature Control
1. Central Heating: The central heating hot water
flow temperature can be adjusted between 30° C
(± 5° C) minimum and 85° C (± 5° C) maximum.
2. Turn the control knob clockwise to increase the
temperature (Fig. 9).
3. In normal winter usage we recommend that the
central heating temperature be set at maximum.
4. Domestic Hot Water Pre-Heat: To enjoy
optimum performance of the boiler the pre-heat
control should be set fully clockwise to the ON
position (Fig. 10). When there is a demand for hot
water it will be supplied at approximately 65° C
instantaneously.
Fig. 9
Central Heating
Temperature Control
PREHEAT
PREHEAT
OFF
OFF
ON
ON
Fig. 11
Fig. 10
Domestic Hot Water
Pre-Heat Control
Domestic Hot Water
Pre-Heat Control
ON Position
OFF Position
Flame Failure
Neon
30° 40° 50° 60° 70° 80°
5. Turning the control 15° clockwise from the OFF
position will activate the pre-heat feature. Hot
water will be supplied at approximately 35° C
instantaneously.
6. To increase the temperature turn the control
further clockwise. For example, when set 90°
clockwise the boiler will supply hot water at
approximately 44° C instantaneously. At a
position 180° from clockwise (i.e. straight down)
the hot water will be supplied at 52° C
instantaneously.
7. When the control is set anywhere between 15°
clockwise from the OFF position and the ON
position, the pre-heat feature will operate.
8. With the control in the OFF position (Fig. 11)
the pre-heat feature will not operate. Hot water
will be supplied at approximately 50° C.
9. The pre-heat feature will function with the
selector switch in either operating position. This is
indicated by the domestic hot water mode neon
flashing (Fig. 12).
Fig. 12
Domestic Hot
Water Neon
10. The flow rate can be reduced down to as low
as 2.5 litre/min. The boiler will still recognise the
need to heat the water.
3.3
Flame Failure Reset
1. The red flame failure neon ( ) will illuminate
in the event of the burner failing to light, or when
incomplete lighting of the burner occurs (Fig. 12).
Reset Position
2. Turn the selector switch fully anti-clockwise
against the spring pressure to the reset position
(R) and release (Fig. 13). Set the selector to the
required position to light the boiler.
Fig. 13
3. If the flame failure light illuminates repeatedly a
fault is indicated. Your installer or Service
Engineer should be called as soon as possible.
7
3.0 Operating the Boiler
Air Flow
Monitor Neon
Pump/Low
Pressure Neon
Safety
Thermostat
Neon
30° 40° 50° 60° 70° 80°
3.4
Sensor Fault
Neons
Safety Thermostat
1. Your Baxi Combi Instant 80e or 105e is fitted
with an additional safety device, which shuts
down the boiler in the event of the system or the
boiler overheating. The safety thermostat neon
( ) will light in this instance (Fig. 14).
2. To reset: Turn the selector fully anti-clockwise
against the spring pressure to the reset position
(R) and release (Fig. 15). Set the selector to the
required position to light the boiler.
Fig. 14
3. If the safety thermostat operates repeatedly,
causing boiler shutdown, a fault is indicated. Your
installer or Service Engineer should be contacted
as soon as possible.
3.5
Air Flow Monitor
1. The boiler is fitted with an air pressure sensing
device. This monitors the flue system.
2. If the neon illuminates (
) it indicates that
the flue or flue terminal is blocked or obstructed in
some way, or that there is an internal fault. If there
is no external blockage of the flue terminal that
can be easily removed contact your installer or
Service Engineer (Fig. 14).
3.6
Reset Position
Pump Fault or Low Pressure
1. The neon (
) will illuminate if the circulating
pump is faulty or the system pressure drops
below the minimum requirement (Fig. 14).
Fig. 15
2. Check the pressure gauge as described in
Section 3.9. If the pressure is in the normal range,
a pump fault is indicated. Contact your installer or
Service Engineer to determine the nature of the
fault.
3.7
Fig. 16
1. When the (
) or (
) neon is illuminated a
fault on the hot water or central heating
temperature sensor is indicated (Fig. 14). Contact
your installer or Service Engineer.
3.8
Fig. 17
8
Sensor Fault
Pump Protection
1. With the selector switch in either Position (i) or
Position (ii) (Figs. 16 & 17) the pump will
automatically operate for 1 minute in every 24
hours to prevent sticking.
3.0 Operating the Boiler
Pressure Gauge
3.9
Central Heating System Pressure
2
1
3
1. The water pressure in the central heating
system is indicated by the pressure gauge.
4
0
bar
Fig. 18
Normal Pressure (when cold)
2. With the system cold and the boiler not
operating the pressure should be between 0.5
and 1.0 bar. During operation the pressure
should not exceed 2.5 bar, and will normally be
between 1.0 and 2.0 (Figs. 18 & 19).
2
1
3
4
0
bar
Fig. 19
3. A pressure of 3 or greater indicates a fault.
The safety pressure relief valve will operate, at a
pressure of 3 (Fig. 20). It is important that your
installer or Service Engineer is contacted as
soon as possible.
Normal Pressure (operating)
4. The MINIMUM pressure for correct operation
is 0.5. If the pressure falls below 0.5, this may
indicate a leak on the central heating system
(Fig. 21).
2
1
3
5. The system must be re-pressurised by your
installer or Service Engineer.
4
0
bar
Fig. 20
3.10
Fault
To Shut Off the Boiler
1. For short periods: Turn the selector switch to
the OFF position (Fig. 22).
2
1
3
2. For long periods: Turn off the selector switch
(Fig. 22), electricity and gas supplies.
4
0
bar
Fig. 21
Below Minimum
If your home is to be left unoccupied for long
periods during cold weather the boiler and
whole system should be drained unless there
is additional frost protection.
3. Your installer will advise you about frost
protection and draining the system.
ON/OFF
Selector Switch
IMPORTANT: When the selector switch is in
the ‘0’ (Off) position the electrical supply to the
boiler is isolated. The boiler will not operate
and the integral timer (if fitted) will require
resetting once the selector switch is set to
either Position (i) or Position (ii).
3.11
Frost Protection Mode
Fig. 22
OFF Position
1. The frost protection feature will operate when
the selector switch is in the central heating and
domestic hot water mode.
The gas and electrical supplies to the boiler must
be on and the system pressure must be within
the range described in Section 3.9.
2. If the system temperature falls below 5°C, then
the boiler will fire until the water temperature has
been raised.
3. Further frost protection can be incorporated by
using a frost thermostat to protect the whole
system.
9
4.0 Clearances and Check List
450mm
5mm Min
5mm Min
4.1
200mm Min
Clearances around the Boiler
(Figs. 23 & 24)
1. The minimum clear spaces needed around the
boiler measured from the casing are as follows:
Top
Bottom
Both sides
Front
780mm
-
200mm
200mm
5mm
5mm
450mm
(In Operation)
(For Servicing)
2. These areas must not be obstructed in any
way. Blocking the clearance spaces may
result in the boiler overheating and damage
may occur.
3. The gas burning compartment of your boiler is
completely sealed from the room in which it is
fitted. Products from the combustion of gas are
vented to the outside through the flue terminal
which must be kept free from obstruction as this
would interfere with the correct operation of the
boiler.
200mm Min
4. The boiler may be installed in a cupboard if
these minimum clearances are kept. The
compartment should be large enough to house
the boiler and ancillary equipment only.
Fig. 23
5. IT SHOULD NOT BE USED AS A STORAGE
CUPBOARD.
4.2
Check List
1. If a fault develops, or is suspected, call your
installer or Service Engineer as soon as possible.
2. Go through the following check list before you
make contact.
a)
b)
450mm Min
For Servicing
Purposes
c)
d)
e)
f)
g)
h)
5mm
i)
In Operation
Fig. 24
10
j)
Is the electricity supply on ?
Is the selector switch on (giving a green
“Power ON” neon) and set for both Central
Heating and Domestic Hot Water ?
Is the red “Flame Failure” neon lit ?
Turn the On/Off/Reset selector fully anticlockwise.
Is the gas supply on ?
Is the mains water supply turned on ?
Is the system pressure correct ?
Are the boiler temperature controls set high
enough ?
Is the time clock (if fitted) calling for central
heating ?
Is the room thermostat (if fitted) set high
enough ?
Are the radiator valves open ?
5.0 Cleaning, Spares & Guarantee
5.1
Cleaning the Outercase
The painted panels should be wiped with a damp
cloth and then dried completely. DO NOT USE
ABRASIVE CLEANING AGENTS.
5.2
Spare Parts
IMPORTANT - Only a competent person
should be used to service or repair this boiler.
1. Any repairs to the boiler will usually be the
responsibility of the Installer during the
guarantee period after which spare parts may be
obtained through approved Baxi stockists if
required.
2. Quote the appliance name, model number
and where possible the part number when
ordering spares. A parts list is included in the
Installation and Servicing Instructions.
3. The name, model number and serial number
can be found on the information label on the
back of the hinged lower door.
5.3
Guarantee
1. Your Baxi Combi Instant 80e or 105e is
designed and produced to meet all the relevant
Standards.
2. Baxi provide a 12 month guarantee on the
boiler. The guarantee operates from the date
installation is completed for the customer who is
the original user.
3. To maximise the benefit from our guarantee
we urge you to return the reply-paid guarantee
registration.
4. This does not in any way prejudice your rights
at Common Law. Such rights between the
customer and the installer or supplier from whom
the unit was purchased remain intact.
Any component or part which becomes
defective during the guarantee period as a
result of faulty workmanship or material
whilst in normal use will be repaired or
replaced free of charge.
11
When contacting Baxi Potterton please have the
following information to hand:
Appliance Name
Model Number
Serial Number
A label giving these details is situated on the rear
of the hinged lower door panel attached to the
users operating instruction label.
Users Operating
Instruction Label
Lower Door
Panel
Label
BAXI POTTERTON
921.892.2
A Trading Division of Baxi Heating UK Ltd
Brownedge Road Bamber Bridge Preston Lancashire PR5 6SN
After Sales Service 08706 096 096 Technical Enquiries 08706 049 049
Website www.baxi.co.uk
company
Comp No 248742 - Iss 2 - 4/03