GAH S40/65 Manuale utente

CONTENTSCONTENTS

CONTENTS

1 USER INFORMA1 USER INFORMA

1 USER INFORMATIONTION

TIONTION

TION

2 OPERA2 OPERA

2 OPERATOR CONTROLSTOR CONTROLS

TOR CONTROLSTOR CONTROLS

TOR CONTROLS

3 BOILER OPERA3 BOILER OPERA

3 BOILER OPERATIONTION

TIONTION

TION

4 INST4 INST

4 INSTALLAALLA

ALLAALLA

ALLATION GENERALTION GENERAL

TION GENERALTION GENERAL

TION GENERAL

5 INST5 INST

5 INSTALLAALLA

ALLAALLA

ALLATIONTION

TIONTION

TION

6 INST6 INST

6 INSTALLAALLA

ALLAALLA

ALLATIONTION

TIONTION

TION

7 OIL SUPPL7 OIL SUPPL

7 OIL SUPPLYY

8 CONVENTIONAL FL8 CONVENTIONAL FL

8 CONVENTIONAL FLUEUE

UEUE

9 BALANCED FL9 BALANCED FL

9 BALANCED FLUEUE

UEUE

10 COMMISSIONING10 COMMISSIONING

10 COMMISSIONING

11 SERVICING11 SERVICING

11 SERVICING

12 F12 F

12 FAULAUL

AULAUL

AULT FINDINGT FINDING

T FINDINGT FINDING

T FINDING

13 TECHNICAL13 TECHNICAL

13 TECHNICAL

INFORMAINFORMA

INFORMATIONTION

TIONTION

TION

APPENDIXAPPENDIX

APPENDIX

CONTENTSCONTENTS

CONTENTS

Section 1 User InformationSection 1 User Information

Section 1 User Information

1-1 Installer ---------------------------------------------------------- 2

1-2 Householders Information --------------------------------------- 2

1-3 Service History -------------------------------------------------- 2

1-4 Boilers covered by this manual ---------------------------------- 3

Section 2 Operator ContrSection 2 Operator Contr

Section 2 Operator Controlsols

olsols

ols

2-1 Control Panel - Select and Combistream ------------------------ 4

2-2 Control Panel - Option ------------------------------------------- 6

2-3 Combi Thermostatic Mixing valve ------------------------------- 7

2-4 Combi &Expansion Relief --------------------------------------- 7

Section 3 Boiler OperationSection 3 Boiler Operation

Section 3 Boiler Operation

3-1 Switching the Boiler ON ----------------------------------------- 8

3-2 Switching the Boiler OFF ---------------------------------------- 8

3-3 Burner ‘Lockout’ ------------------------------------------------- 8

3-4 Care of the Boiler ------------------------------------------------ 9

Section 4 Installation GeneralSection 4 Installation General

Section 4 Installation General

4-1 Compliance --------------------------------------------------- 10

4-2 Siting and Positioning the Boiler ------------------------------ 10

Section 5 InstallationSection 5 Installation

Section 5 Installation

5-1 Select and Option Internal Floor Standing --------------------- 11

5-2 Select Internal Wall Mounted ---------------------------------- 12

5-3 Select External Wall Mounted --------------------------------- 14

5-4 Select Free Standing External ---------------------------------- 16

5-5 Option Floor Standing System Boiler - ------------------------ 18

Section 6 Installation CombistrSection 6 Installation Combistr

Section 6 Installation Combistream and Combi 65eam and Combi 65

eam and Combi 65eam and Combi 65

eam and Combi 65

6-1 Combistream System and Combi 65 -------------------------- 21

6-2 Combistream System and Combi 65 Components ------------ 23

6-3 Combistream and Cobi 65 Connections to the Boiler ---------- 26

Section 7 Oil SupplySection 7 Oil Supply

Section 7 Oil Supply

7-1 Oil Storage Tanks ---------------------------------------------- 28

7-2 Oil System----------------------------------------------------- 28

7-3 Oil Supply System --------------------------------------------- 29

Section 8 Conventional FlueSection 8 Conventional Flue

Section 8 Conventional Flue

8-1 Conventional Flue --------------------------------------------- 31

Section 9 Balanced FlueSection 9 Balanced Flue

Section 9 Balanced Flue

9-1 Balanced Flue Selection --------------------------------------- 32

9-2 Suggested Flue Siting ----------------------------------------- 33

9-3 Burner Air Supply---------------------------------------------- 34

Section 10 CommissioningSection 10 Commissioning

Section 10 Commissioning

10-1 Commissioning Checks --------------------------------------- 35

10-2 Extra Procedures for System Boilers --------------------------- 36

10-3 Extra Procedures for Combi Boilers ---------------------------- 36

10-4 Combustion Tests --------------------------------------------- 37

10-5 Handing Over -------------------------------------------------- 37

Section 11 ServicingSection 11 Servicing

Section 11 Servicing

11-1 Routine Service ------------------------------------------------ 38

11-2 Extra Procedure for System Boilers ---------------------------- 38

11-3 Extra Procedure for Combi Boilers ----------------------------- 39

11-4 Baffle Positions ------------------------------------------------ 39

Section 12 Fault FindingSection 12 Fault Finding

Section 12 Fault Finding

12-1 Householders Fault Finding ----------------------------------- 41

12-2 Householders Fault Finding - System Boilers ----------------- 41

12-3 Householders Fault Finding - Combi Boilers ------------------ 41

12-4 Engineers Fault Finding --------------------------------------- 42

12-5 Engineers Fault Finding - System Boilers --------------------- 43

12-6 Engineers Fault Finding - Combistream Boilers --------------- 43

Section 13 TT

Technical Informationechnical Information

echnical Informationechnical Information

echnical Information

13-1 Boiler Specifications ------------------------------------------ 44

13-2 Boiler Output Options ------------------------------------------ 45

13-3 Burner Setting Data -------------------------------------------- 45

13-4 Burner Settings ------------------------------------------------ 47

13-5 Panel Wiring Diagrams ---------------------------------------- 49

13-6 Parts Supplied with Boiler ------------------------------------- 52

13-7 Boiler Dimensions --------------------------------------------- 54

13-8 Balanced Flue Dimensions ------------------------------------ 59

AppendixAppendix

Appendix

AP1 Regulations ---------------------------------------------------- BC

COMBISTREAMCOMBISTREAM

COMBISTREAM

COMBI 65COMBI 65

COMBI 65

Boiler Installed by:-

Tel:

Fax:

email:

The type of fuel required for the Boiler is

Tank Capacity

Oil Suppliers

✍

To the householder.

Thank you for purchasing a Thermecon

Oil Fired Boiler.

In the unlikely event of a problem arising

with the Boiler please first refer to:-

Page 41 section 12 ‘Householders Fault

Finding’ of this Manual.

If you cannot rectify the problem from

the information given, or if the problem

persists contact the INSTALLER who will

assess the problem and if necessary

contact our service department.

yBetaD

ecivreStxeN

ybeud

setoN

dellatsnI A/N

denoissimmoC

ecivreS

1-1 Installer

1-2 Householders Information

1-3 Service History

Note

The price of fuel has seasonal fluctuations and

varies from supplier to supplier. You are

advised to shop around for a good deal.

USER INFORMAUSER INFORMA

USER INFORMATION 1TION 1

TION 1TION 1

TION 1

DO NOT involve a third party that may incur you costs as this will not be covered by the Boiler Guarantee.

Any work not authorised by GAH (HEATING PRODUCTS) LTD. may also invalidate the Guarantee.

Work carried out and parts fitted by unauthorised engineers cannot be guaranteed.

Boiler Commissioned by:-

Tel:

Fax:

email:

Boiler Service Engineer

☎

☎☎

It is a condition of the Guarantee that the Boiler is serviced every 12 months.

Select Floor Standing

Model S40/65 S60/80 S80/95 S90/120

Btu/hr x 1000 40 to 65 60 to 80 80 to 95 90 to 120

kW 11.7 to 19.1 17.6 to 23.5 23.5 to 27.6 26.4 to 34.9

Model S100/150 S140/190 S190/240 S240/270

Btu/hr x 1000 100 to 150 140 to 190 190 to 240 240 to 270

kW 29.3 to 44.0 41.0 to 55.7 55.7 to 70.3 70.3 to 79.1

Option Floor Standing

Model O40/65 O60/80 O80/95 O90/120

Btu/hr x 1000 40 to 65 60 to 80 80 to 95 90 to 120

kW 11.7 to 19.1 17.6 to 23.5 23.5 to 27.6 26.4 to 34.9

✍

Model O100/150 O140/190 O190/240 O240/270

Btu/hr x 1000 100 to 150 140 to 190 190 to 240 240 to 270

kW 29.3 to 44.0 41.0 to 55.7 55.7 to 70.3 70.3 to 79.1

✍

Option Floor Standing System

Model OS60/80 OS80/95 OS90/120 OS100/150

Btu/hr x 1000 60 to 80 80 to 95 90 to 120 100 to 150

kW 17.6 to 23.5 23.5 to 27.6 26.4 to 34.9 29.3 to 44.0

✍

Combistream & Combi 65I Combi 65E

Model C40/65 Model C40/65E

Btu/hr x 1000 40 to 65 Btu/hr x 1000 40 to 65

kW 11.7 to 19.1 kW 11.7 to 19.1

✍ ✍

Select Wall Mounted Internal

Model W40/50I W50/80I

Btu/hr x 1000 40 to 50 50 to 80

kW 11.7 to 14.7 14.7 to 23.4

✍

Select Wall Mounted External

Model W40/50E W50/80E

Btu/hr x 1000 40 to 50 50 to 80

kW 11.7 to 14.7 14.7 to 23.4

✍

Select Free Standing External

Model F40/50E F50/80E

Btu/hr x 1000 40 to 50 50 to 80

kW 11.7 to 14.7 14.7 to 23.4

✍

USER INFORMAUSER INFORMA

USER INFORMATION 1TION 1

TION 1TION 1

TION 1

1-4 Boilers covered by this manual

My Boiler

✔

Tick box Wiring

Diagram

QUICK REFERENCE

Dimensions Oil

Connection

Page 49 Page 54 Page 11

Page 51 Page 58 Page 11

Page 49 Page 55 Page 14

Page 50 Page 56 Page 16

Page 50 Page 57 Page 17

Combistream

only

HEATING LIMIT

HEATINGHOT WATER

HW LIMIT

2-1.1 Boiler Thermostat Control

The Boiler Thermostat Control is used to control the temperature of the water within the

Boiler Water Chamber.

The heat sensor phial of the Thermostat is on the end of a capillary tube and placed in

one of the tubes on top of the Boiler waterway.

The Thermostat control has a ‘STOP’ position to switch the Boiler OFF.

The temperature range of the control is 55°C to 90°C.

The recommended settings of the Boiler Thermostat control are:-

1. Winter Heating and Hot Water 80°C.

2. Summer Hot Water only 65°C.

A setting below 60°C can, on some heating systems, induce corrosion and reduce the life

of the Boiler.

2-1 Control Panel - Select, Combistream and Combi 65

Select and Internal Wall

Fig. 2-1a Control Panels

HIGH LIMIT

THERMOSTAT

MANUAL RESET

(OPTIONAL)

HINGED FLAP HELD CLOSED BY A

PUSH OPEN - PUSH SHUT MAGNET

HIGH LIMIT THERMOSTAT

MANUAL RESET (OPTIONAL)

SEAL

OPEN

DOOR KNOB

HIGH LIMIT THERMOSTAT

MANUAL RESET (OPTIONAL)

OPERAOPERA

OPERATOR CONTROLS 2TOR CONTROLS 2

TOR CONTROLS 2TOR CONTROLS 2

TOR CONTROLS 2

Wall Mounted External & Free Standing External

Combistream and Combi 65 Internal

HEATING

LIMIT

HW LIMIT

HOT WATER

Combi 65 External

OPERAOPERA

OPERATOR CONTROLS 2TOR CONTROLS 2

TOR CONTROLS 2TOR CONTROLS 2

TOR CONTROLS 2

MAINS

RED

LOCKOUT

RED

LIMIT

2-1.2 Mains Switch

O = Off I = On

The Mains Switch switches the Boiler ON and OFF. When power to the Boiler is ON and

the Mains Switch is ON the Mains Indicator Lamp will be lit.

2-1.3 Mains Indicator Lamp

The Mains Indicator Lamp will be lit when the Boiler Mains Switch is ON and the heating

system control is calling for heat.

If the Lamp does not illuminate refer to Section 12 Fault Finding.

2-1.4 Lockout Indicator Lamp

When the Lockout Indicator Lamp is illuminated, it indicates that a Burner ‘Lockout’ has

occurred and the Boiler is not operational.

Refer to 3-3 to restart Boiler.

2-1.5 Limit Indicator Lamp

The Limit Indicator Lamp is illuminated when the water within the Boiler is overheated i.e.

the High Limit Thermostat of the Boiler control is tripped.

Standard High Limit Thermostat with automatic reset

When the Limit Lamp is lit (High Limit Thermostat tripped), the Boiler shuts down until

the water temperature falls to a satisfactory level (5°C below High Limit Thermostat

setting). The High Limit Thermostat then resets automatically and normal operation

should follow.

2-1.6 Manual Limit Reset Button (Option)

A High Limit Thermostat with an integral Manual Reset button is normally fitted to System

Boilers and Combistream Boilers. Boilers fitted with ‘Manual Reset’ High Limit

Thermostats will not restart automatically after overheating has occurred.

The Limit Indicator Lamp is OFF when the Boiler is operating normally.

If the Lamp is ON the water within the Boiler is or has overheated i.e. the High Limit

Thermostat of the Boiler control is tripped.

When the Limit Lamp is ON (High Limit Thermostat tripped) the Boiler shuts down.

When the water temperature falls to a satisfactory level (5°C below High Limit Thermostat

setting), the Manual Reset button should be pressed - this will restart the Boiler.

If overheating occurs check that the Boiler Heating Thermostat control is set below 80°C

- see 2-1.1 If it still occurs more than occasionally, consult your installation engineer as

there may be a fault within the system.

The following items are for Combistream and Combi 65 only.

2-1.7 Hot Water Thermostat Control

With Manual Reset

The Hot Water Thermostat Control is used to set the temperature of the hot water from the

Combistream to the hot water taps. The heat sensor phial of the Thermostat is on the end

of a capillary tube and placed in a recess in the hot water storage cylinder.

The temperature range of the control is 30°C to 70°C. The recommended setting control

is 70°C.

The temperature of the hot water at the taps is controled by the Thermostatic Mixing Valve

see 2-3.

Installer tick if applicable

RED

LIMIT

Note

On Combistream Boilers It may also be

necessary to press the Hot Water manual

reset - see 2-1.8.

HOT WATER

TO REMOVE PLUG PRESS SMALL SCREWDRIVER

THROUGH HOLE IN REAR OF PLUG

2-2 Control Panel - Option

2-2.1 Boiler Thermostat Control

The Boiler Thermostat Control is used to control the temperature of the water within the

Boiler Water Chamber.

The temperature range of the control is 60°C to 90°C. The recommended settings of the

Boiler Thermostat control are:-

Winter Heater and Hot Water 80°C - Summer Hot Water only 65°C.

A setting of 60°C or below is not recommended as this can induce corrosion and reduce

the life of the Boiler.

2-2.2 High Limit Thermostat with Manual Reset

A High Limit Thermostat with an integral Manual Reset button is fitted as standard to

Option Boilers.

Boilers fitted with Manual Reset High Limit Thermostats will not restart automatically

after overheating has occurred.

The High Limit Thermostat will trip and shut the Boiler down when the water within the

Boiler is overheated.

When the water temperature falls to a satisfactory level (10°C below High Limit

Thermostat setting), the Manual Reset button (protected by a removable plastic cap)

should be pressed - this will restart the Boiler.

If overheating occurs more than occasionally, consult your installation engineer as there

may be a fault within the system.

THERMOSTAT CONTROL

Fig. 2-2a Option Control Panel with

Manual Reset

HIGH LIMIT

THERMOSTAT

MANUAL RESET

2-1.8 Hot Water High Limit Thermostat

With Manual Reset

A Hot Water High Limit Thermostat with an integral Manual Reset button is fitted to the

Boiler.

When the Hot Water High Limit Thermostat has tripped the Boiler shuts down and will not

restart automatically. The Limit lamp (2-1.6) will not be on as this is only for the Heating

High Limit.

To reset after hot water overheating has occurred, allow time for the water to cool, or run

off some hot water, then remove the plastic cap and press the HW Limit manual reset

button.

If overheating of the hot water occurs, turn down the Hot Water Control - see 2-1.7. If it

still occurs consult your installation engineer as there may be a fault within the system.

The following items are for all External Boilers only.

2-1.9 Mains Plug

The Mains Plug connects power to the Boiler.

The plug must be IN for the Boiler’s Frost Protection to function.

2-1.10 Normal/Override

The Normal/Override switch allows for the household heating control circuitry to be

overridden by switching to the permanent live.

The switch is intended for use by service engineers to allow operation of the Boiler

without the necessity of entering the household.

The switch should be set at NORMAL (O) at all other times.

OPERAOPERA

OPERATOR CONTROLS 2TOR CONTROLS 2

TOR CONTROLS 2TOR CONTROLS 2

TOR CONTROLS 2

HOT WATER

HW LIMIT

Note

It may also be necessary to press the

Heating Limit manual reset - see 2-1.6.

NORMAL

OVERRID

Note

Boilers fitted with Manual Reset are

suitable for Sealed Systems.

OPERAOPERA

OPERATOR CONTROLS 2TOR CONTROLS 2

TOR CONTROLS 2TOR CONTROLS 2

TOR CONTROLS 2

2-4 Combistream and Combi 65 Expansion Relief

2-4.1 Tundish

The Combi boiler’s hot water system has two TPR valves, one for the hot water storage

cylinder and one for the incoming cold supply. In the event of pressure within the hot

water or incoming cold supply becoming too high, either of the TPR valves will vent.

A Tundish should be fitted and located in the same space or compartment as the hot

water storage cylinder. This device provides an air break when pressure is being vented.

When pressure is being vented water/steam will be evident at the Tundish and from the

discharge pipe of the Tundish.

Cold water will normally only discharge when there is an increase in pressure caused by

loss of air pressure in the Accumulator.

In the event of water/steam being seen at the discharge pipe or Tundish, do the

following:-

1. Turn ON a hot and cold tap to relieve the pressure.

2. Turn OFF the Heating System.

3. Investigate possible cause for high pressure e.g.:-

i Hot Water Thermostat Control is set too high.

ii Mains water is not on or fully on.

iii Restriction in hot water pipework.

iv Loss of air pressure in the Accumulator.

4. Contact the installer before restarting the system.

2-4.2 Heating TPR Valve

Combi boilers have a Heating TPR valve mounted on top of the Heat Exchanger and

discharging to the rear of the Boiler. In the event of the pressure within the heating

system becoming too high the TPR valves will vent.

In the event of water/steam being seen at the discharge pipe or Tundish, do the

following:-

1. Check that the radiators are turned on, the heating system should never be operated

with all radiators OFF.

If all radiators are fitted with thermostatic valves, these can all be in a shut condition

if the temperature in the dwelling is sufficient. In this circumstance the heating

system should have a bypass that should be open - see 6-1.3.

2. Turn OFF the Heating System.

3. Investigate possible cause for high pressure e.g.:-

i Boiler Thermostat Control is set too high.

ii Air in the system.

4. Contact the installer before restarting the system.

Fig. 2-4a Tundish

AIR BREAK

DISCHARGE PIPE

Note

Either the Tundish or discharge pipe must

remain in view, do not box in or cover up.

Note

For more information see 6-2.12.

2-3 Combistream and Combi 65 Thermostatic Mixing Valve

The Mixing Valve will be positioned outside the Boiler case and may be in a different

location than the Boiler. This valve mixes hot water from the Boiler with cold water to

provide hot water of a constant temperature at the taps.

The recommended maximum hot water temperature at the taps is 65ºC.

The recommended setting of the valve is between No.4 and 7 (49º to 63ºC).

The Mixing Valve is factory set to the following approximate mixed outlet temperatures:-

Knob Position Min 1 2 3 4567Max

Output Temp. ºC 27º 32º 38º 44º 49º 53º 58º 63º 67º

Fig. 2-3a Combistream Mixing Valve

bar psi

3-3 Burner ‘Lockout’

The Burner has its own Control System that synchronises the Burner ignition sequences.

The safety system of the Burner includes a flame detector (photoresistor) which senses

the light of the flame.

In the event of a failure of the flame, the Burner Control goes through a re-ignition

sequence. If the flame is not evident within 15 seconds, the Burner shuts down due to

its lockout circuit being energised.

The Reset Lamp in the Burner Reset button and the *Lockout Lamp on the Boiler Control

Panel illuminate to indicate that ‘lockout’ has occurred.

BOILER OPERABOILER OPERA

BOILER OPERATION 3TION 3

TION 3TION 3

TION 3

3-1 Switching the Boiler ON

Select and Combi

1. Turn fuel supply on.

2. Switch power supply to the

Boiler ON.

3. Switch Mains Switch of the

Boiler Control Panel ON.

4. Set Boiler Thermostat Control

to the required setting.

5. Set Central Heating Control

System to ON.

External

1. Turn fuel supply on.

2. Switch power supply to the

Boiler ON.

3. Set Normal/Override switch to

Normal.

4. Set Boiler Thermostat Control

to the required setting.

5. Set Central Heating Control

System to ON.

Option

1. Turn fuel supply on.

2. Switch power supply to the

Boiler ON.

3. Set Boiler Thermostat Control

to the required setting.

4. Set Central Heating Control

System to ON.

To set Boiler for operation:-

3-1.1 Boiler Operation

The Boiler Thermostat switches power to the Burner ON and OFF in response to the

temperature of the water within the Heat Exchanger.

The Burner will automatically fire when the water temperature within the Boiler falls below

the thermostat control setting, and will continue to run until the water temperature rises to

the set °C.

The Burner has its own Control System that gives correct ignition and shut-off sequences

to maintain safe operation.

3-1.2 Automatic Boiler Operation

A fully automatic central heating and hot water installation with its own remote timer and

control system will switch the Boiler ON and OFF as and when heat is required.

Note

The Installer should instruct the user on

operating the central heating system.

3-2 Switching the Boiler OFF

The Boiler can be switched off by any of the following means:-

1. Switch the Mains Switch on the Boiler Control Panel to OFF (not Option or External).

2. Turn the Boiler Thermostat control to STOP.

3. Switch OFF the Mains Switch controlling the Boiler.

4. Set the Central Heating Control System to OFF.

IMPORTANT In the event of abnormal operation:-

1. Switch OFF the Mains Switch controlling the Boiler.

2. Shut OFF fuel supply.

3. Refer to Section 12 Fault Finding.

Note

For frost protection of External Wall

Mounted and External Freestanding

Boilers the mains switch controlling the

Boiler must be ON.

Remember

Switch on the fuel before attempting to

restart the Boiler.

*NOT ON OPTION RANGE.

BOILER OPERABOILER OPERA

BOILER OPERATION 3TION 3

TION 3TION 3

TION 3

Fig. 3-3a Burner Reset Button

In the event of a ‘lockout’, wait 45 seconds and restart the Burner by pressing the Reset

button.

If lockouts are more than occasional, consult your service engineer as there may be a

fault with the fuel supply or Burner.

3-3.1 Restart Boiler after ‘Lockout’

Lockouts indicate a fault in the Boiler operation and can be attributed to:-

1. A fault in the electrical supply i.e. very low voltage.

2. An interruption in the fuel supply.

3. Faulty operation of the Burner or its safety control system.

4. A component failure.

5. A fault in heating system control external to Boiler.

Before attempting to restart the Boiler, remove the front panel of the Boiler and look for

any obvious problems i.e. oil leaks.

Restart Procedure:-

1. Check that there is sufficient oil in the tank and that the supply valves are open.

2. Check that the Boiler thermostat, time switch or programmer and any other system

controls are set to call for heat.

3. Press and release the red glowing plunger Reset button on the Burner control box.

The red light will extinguish and the Burner will commence the start sequence.

After 15 seconds, the Burner should fire normally.

If the Burner does not fire, the lockout symptoms will persist and the Burner control box

Reset button will again glow.

4. Wait at least 45 seconds and press the lockout button on the control box again.

IMPORTANT If the Boiler fails to start on the second attempt then:-

Switch off the Electricity Supply.

Refer to Section 12 Fault Finding.

DO NOT ATTEMPT TO START MORE THAN TWICE.

3-4 Care of the Boiler

3-4.1 All Internal Boilers

Occasionally wipe the casing down with a non-abrasive cleaner and vacuum out dust and

cobwebs from within the casing.

3-4.2 External Wall Mounted Boilers

Occasionally wipe the casing down with a non-abrasive cleaner and vacuum out dust and

cobwebs from within the casing.

Regular application of car polish to the outside of the casing will help protect the paint

finish and prevent algae growth.

3-4.3 Servicing

The Boiler requires regular servicing to ensure continued reliable operation and fuel

economy. Servicing at the stated intervals is a prerequisite of the Boiler Warranty.

A competent engineer should be sought to carry out the servicing at the required

intervals. An OFTEC trained and registered engineer would be a good choice.

SERVICE INTERVAL

FUEL - 28 Second Viscosity Class C Kerosene - Service required once a year.

FUEL - 35 Second Viscosity Class D Heating Oil - Service required twice a year.

4-1 Compliance

INSTINST

INSTALLAALLA

ALLAALLA

ALLATION GENERAL 4TION GENERAL 4

TION GENERAL 4TION GENERAL 4

TION GENERAL 4

The Boiler and heating system must be installed to comply with the latest Building

Regulations, British Standards and OFTEC recommendations, refer to the Appendix at the

back of this book.

4-1.1 System Controls

IMPORTANT

It is recommended that the Boiler is installed so that the system controls

prevent the Burner firing unless there is demand for heat from a room or

cylinder thermostat.

When thermally operated or motorised valves are fitted to the system and can stop

adequate flow of water through the Boiler provision MUST be made to

simultaneoussly switch off the electricity supply to the oil burner.

4-2 Siting and Positioning the Boiler

4-2.1 Noise Levels

Quiet operation is a design feature of Thermecon Boilers making them ideal for kitchen

and utility room installations. However, consideration should be given to the noise levels

of the Boiler and the following:-

1. Sound levels must be discussed with the householder as some individuals are

particularly sensitive to even low levels of noise.

2. The type and position of the chimney may affect noise levels.

3. Noise from balanced flues facing neighbouring properties should be considered.

4. Draught stabilisers (when fitted) may affect the noise levels.

5. Sound levels in small rooms may appear more intrusive than the same sound

pressure in a larger room.

6. Some building materials can tend to amplify the sound from Wall Mounted Boilers,

using battens to space the Boiler off the wall may reduce this effect.

4-2.2 The Hearth - Floor Standing

The hearth temperature of Select and Option Boilers is less than 85°C. A suitable level

hearth, which is impervious to kerosine, must be provided.

Where the Boiler is to stand on a floor of combustible material then protection between

the Boiler and the floor should be provided by means of non-combustible material.

The floor must give adequate support to the filled Boiler. Consult the Building

Regulations for safe floor loadings.

4-2.3 Frost Protection

The Boiler and the central heating system must be protected from frost.

External Free Standing Boilers have a frost thermostat fitted as standard, this must be

correctly wired to provide frost protection - see wiring diagrams Section 13.

All Boilers installed in outhouses or where conditions of frost could arise must be

protected by a frost protection arrangement that will fire the Burner when the temperature

falls below 4°C.

A suitable antifreeze must also be used in applications where freezing can occur and

should be considered for all systems.

4-2.4 Rodent Intrusion

Boilers installed in situations where rodent intrusion is possible, all pipe/cable entry

holes of the Boiler must be covered, after installation, to prevent rodents entering the

Boiler casing.

Note

For Boiler Weight see Section 13.

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