FireBird Enviromax, Enviromax C80, Enviromax C100, Enviromax C20, Enviromax C26 Technical Manual

Working towards a greener planet

TECHNICAL MANUAL INCLUDES

❯❯ HOUSEHOLDER INSTRUCTIONS

❯❯ INSTALLER GUIDE

❯❯ COMMISSIONING

❯❯ SERVICING

❯❯ SPARE PARTS

ENVIROMAX

CONDENSING RANGE

This manual must remain with the householder on completion of installation

TECHNICAL MANUAL

REVISION 6. © 01-03-2010

For use with Diesel 35 Sec. Gas Oil

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Firebird Enviromax Condensing Range

1

CONTENTS

PAGE

Foreword / Introduction 2

1. TERMS & CONDITIONS OF GUARANTEE 3

2. HOUSEHOLDER INSTRUCTIONS

Popular / Boilerhouse ........................................................................................................................ 4

System ................................................................................................................................................................ 4

Systempac ........................................................................................................................................................ 5

Burner Lockout .......................................................................................................................................... 5

3. BOILER TECHNICAL DETAILS

3.1 POPULAR / BOILERHOUSE

Boiler Technical Specifications ..................................................................................................... 6

Wiring ................................................................................................................................................................... 7

Spare Parts ....................................................................................................................................................... 8

Baffles ................................................................................................................................................................... 9

3.2 SYSTEM

Boiler Technical Specifications ...................................................................................................... 10

Wiring ................................................................................................................................................................... 11

Spare Parts ...................................................................................................................................................... 12

Domestic Heating & Hot Water ............................................................................................... 14

3.3 SYSTEMPAC

Boiler Technical Specifications ..................................................................................................... 18

Wiring .................................................................................................................................................................. 20

Spare Parts ...................................................................................................................................................... 21

4. STANDARDS & REGULATIONS

..................................................................................... 23

5. SAFETY

....................................................................................................................................................................... 24

6. INSTALLATION

6.1 Installation Guidelines ........................................................................................................................... 25

6.2 Installation in New Zealand & Australia ............................................................................. 26

6.3 Positioning the Boilers ......................................................................................................................... 27

6.4 Condensate Disposal .............................................................................................................................. 28

6.5 Flue Regulations............................................................................................................................................ 30

6.6 Flue Systems ................................................................................................................................................... 34

6.7 Oil Supply............................................................................................................................................................ 37

7. BURNER

Burner Settings ........................................................................................................................................... 39

Burner Specifications ............................................................................................................................ 40

Fault finding Burner ............................................................................................................................... 41

Spare Parts - Burner ............................................................................................................................. 42

8. SERVICING

............................................................................................................................................. 44

Service Record ............................................................................................................................................ 45

9. COMMISSIONING

..................................................................................................................... 46

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Firebird Enviromax Condensing Range

2

FOREWORD

We would like to thank you for purchasing a high
efficiency Firebird C Range Condensing domestic
central heating oil fired boiler. This instruction
manual is produced for the reference and
guidance of qualified installation engineers such as
those who are OFTEC registered. EU legislation
governs the manufacture, operation and
efficiency of all domestic central heating oil
boilers. Our boilers and burners will are supplied
as matched units tested and approved to OFTEC
Standard OFS Al00.

FIREBIRD Boilers are full manufacturing members
of OFTEC (Oil Firing Technical Association) and
are participating in its Boiler testing and approvals
programme to comply with OFS A100 and EC
Efficiency Directive.

You should ensure that all installation, servicing
and commissioning works are carried out by a
competent person, such as one registered by
OFTEC. It should be noted that it is the
responsibility of the Installer/Householder to
ensure that the boiler is properly
commissioned. Failure to do so may invalidate
the boiler guarantee and any extended
warranty.

SERVICING
The boiler requires servicing on an annual basis
to ensure it maintains its efficiency, continues
to perform reliably and as a regular check on
its built-in safety features. It is important that
servicing should be conducted by a competent
engineer, such as one who is OFTEC trained
and registered.

All appropriate OFTEC manuals and BS
Standards should be studied and their
requirements adhered to and used in
conjunction with these instructions. This
manual includes a list of some BS Standards
and Building Regulations.

OFTEC is conducting training and registration of
engineers and this is to be commended, as
reading of this manual alone for installation and
servicing procedures cannot replace the critical
advantage provided by training and years of
experience.

INTRODUCTION

Firebird domestic oil fired condensing boilers are
highly efficient and are all independently certified
to Sedbuk Band A. They use less fuel and have
lower running costs than non-condensing boilers.
Because of their increased efficiency they emit
less carbon dioxide than non-condensing boilers,
which will contribute to efforts to reduce global
warming. The incredible efficiency of the Firebird
C Range Condensing Boiler is due to the
development of a single boiler unit with two
unique heat exchanger units. This gives a
exchange surface greater than non-condensing
boilers.

This additional surface area increases the amount
of heat extracted from the combustion process
and thus reduces the heat wasted to atmosphere.
So much heat is extracted from the combustion
gases that their water vapor element condenses
into liquid form, releasing the latent heat that was
used to create the vapor in the first place. It is this
heat gain that gives the condensing boiler its
significant advantage over a non-condensing
model. In order to enable this high level of heat
extraction to take place, the water in the boiler’s
heat exchanger must be cooled down to about
55°C or less, this means that the boiler is working
at its maximum efficiency

The condensate produced is often mistakenly
considered to be highly acidic. In fact the acidity of
condensate from a Firebird C Range Condensing
Boiler will be found to be as low, if not lower, than
that of vinegar.

The Firebird C Range Condensing Boiler is
suitable for under floor heating provided the
return temperature is above 40˚C. at all times.

The Firebird C Range Condensing Boiler even
when not working in condensing mode will still
operate at extremely high efficiencies making it
suitable for fitting to an existing heating system
without alteration to the radiator sizes.

The burner is factory set for use with
kerosene 35 second Gas Oil.

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Firebird Enviromax Condensing Range

3

TERMS & CONDITIONS OF GUARANTEE

• Firebird boilers are designed and manufactured to give many years of trouble-free
service.We provide a comprehensive conditional warranty of 5 years on the boiler
shell and 2 years on burner and associated controls.

• This will only apply if the boiler is commissioned by an approved engineer and
is serviced annually thereafter.

• Please ensure that the Commissioning Card (the tear-off section on the Guarantee
Card) is returned, fully completed within 28 day’s of complete installation &
commissioning. Correct commissioning will ensure that your boiler is set to
operate at its maximum fuel efficiency.

• Consumable components, the nozzles and the oil hose are excluded.

• The terms laid down on the Guarantee must be adhered to.

1. Firebird hereby guarantees the following

(The Guarantees)

a. The Boiler Shell will be free from defective parts or

workmanship for a period of 5 years from the date of
installation.

b. Burner, controls and flue kits (supplied by Firebird)

will be free from defective parts or workmanship for
a period of 2 years from the date of installation.
(With the exception of burner nozzles, which should
be replaced at the recommended service intervals.)

2. Guarantees are subject to the following conditions:

a. All claims under the guarantees must be within the

above stated time limits.

b. The boiler must be commissioned by qualified

persons and as set out in the Installation Manual,
using correct test equipment.

c. Maintenance should be carried out at the intervals

stated in the Installation Manual.

d. Installation of the boiler must be in accordance with

(a) Installation Manual, (b) all relevant standards and
codes of practice.

e. Firebird can accept no liability in respect of any

defect arising from incorrect installation, negligence,
fair wear and tear, misuse, alteration or repair by
unqualified persons.

f. Firebird will not accept any liability in respect of any

defect occurring in the heat exchanger due to
limescale build-up and or low return water
temperature.

g. The guarantees extend to reasonable labour costs

EXCEPT under clause 1a where any valid claim made
after 3 years will not include labour costs.

h. Firebird’s prior authorisation must be obtained before

examination or repair of the boiler takes place.

i. Firebird will examine all claims made under the

guarantee sand for any claims that are deemed
invalid, the costs incurred will be borne by the
owner.

j. That the appliance was used only for normal

domestic central heating purposes.

3. Any defective part removed under any or all of the
guarantees MUST be returned to Firebird.

STATUTORY RIGHTS OF THE OWNER ARE NOT AFFECTED BY THIS GUARANTEE

1

TERMS OF THIS GUARANTEE

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Firebird Enviromax Condensing Range

2

4

HOUSEHOLDER

Enviromax System

Operating Procedure

(All outputs)

TO START THE BOILER FOLLOW THIS SEQUENCE:

 Turn on fuel supply.

 Switch on power supply to boiler.

 Turn timer control (If Fitted) to ‘ON’.

 Set the boiler thermostat to the required

temperature (figure 1 pg. 5). The boiler thermostat
controls the boiler operation by automatically
maintaining the required boiler water temperature
output. Safe operation is also maintained by the
burner control system which provides the required
ignition and shut off sequence. If a time control is
fitted this will automatically switch the boiler off and
on when heat is required.

THE BOILER C

AN BE TURNED OFF BY

ANY OF THE FOLLOWING MEANS:

 Turn the timer control (if fitted) to OFF.

 Turn OFF the mains electrical supply to the boiler.

* Lights not included in Utility models.

POPULAR BOILERHOUSE SYSTEM

Enviromax Popular Boilerhouse

Operating Procedure

(All outputs)

TO START THE BOILER FOLLOW THIS SEQUENCE:

 Turn on fuel supply.

 Switch on power supply to boiler.
 Turn timer control (If Fitted) to ‘ON’.

 Set the boiler thermostat to the required

temperature (figure 1 pg. 5). The boiler thermostat
controls the boiler operation by automatically
maintaining the required boiler water temperature
output. Safe operation is also maintained by the
burner control system which provides the required
ignition and shut off sequence. If a time control is
fitted this will automatically switch the boiler off and
on when heat is required.

THE BOILER C

AN BE TURNED OFF BY

ANY OF THE FOLLOWING MEANS:

 Turn the timer control (if fitted) to OFF.

 Turn OFF the mains electrical supply to the boiler.

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Mains Supply Light *

Burner Lock Out Light *

Burner

Plug

Te mperature

Control

High Limit

re-set button

BURNER

Lock-out

re-set button

figure 1

Set at Max 80˚C Set at Mid 70˚C Set at Min 60˚C

Firebird Enviromax Condensing Range

2

5

HOUSEHOLDER

(ALL MODELS)
The boiler is factory fitted with a burner control box
lockout safety feature which operates automatically if a
fault occurs in the burners operation. Should this occur,
the light on the front of the burner - See Burner Section
Pg. 40 or Boiler Photo - will illuminate and its cause must
be investigated.This could be caused by:

A. An interruption in the fuel supply.

(Eg. empty oil supply tank)

B. An electrical supply fault.
C. A fault with the burner or its safety control system.
D. The failure of a component. (Eg. photo cell)
E. Worn or dirty oil nozzle.

Before attempting to restart the boiler the front panel and
the burner cover should be removed and a visual check
made for any obvious problems such as oil leaks, loose
connections etc.

ENSURE OIL TANK CONTAINS CORRECT GRADE FUEL.

35 SECOND GAS OIL

TO RESTART THE BOILER

1. Press reset button See Burner Section Pg. 40 or

Boiler Photo

2. Ensure that the boiler thermostat, time switch

(if fitted) and any external controls connected to the
boiler are set to call for heat.

3. Check that the oil supply valves and remote sensor

fire valve are open and that there is sufficient oil in
the tank.

4. Check that the burner lockout light is unlit and with

the ‘mains ON’ the boiler will be ready to commence
its start sequence.

SYSTEMPAC

Te mperature Control

BURNER

Lock-out

re-set button

High Limit re-set button

Burner

Plug

Enviromax Systempac

Operating Procedure

(All outputs)

TO START THE BOILER FOLLOW THIS SEQUENCE:

 Turn on fuel supply.

 Switch on power supply to boiler.

 Turn timer control (If Fitted) to ‘ON’.

 Set the boiler thermostat to the required

temperature (figure 1 pg. 5). The boiler thermostat
controls the boiler operation by automatically
maintaining the required boiler water temperature
output. Safe operation is also maintained by the
burner control system which provides the required
ignition and shut off sequence. If a time control is
fitted this will automatically switch the boiler off and
on when heat is required.

THE BOILER C

AN BE TURNED OFF BY

ANY OF THE FOLLOWING MEANS:

 Turn the timer control (if fitted) to OFF.

 Turn OFF the mains electrical supply to the boiler.

Burner Lockout

Thermostat Control

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Firebird Enviromax Condensing Range

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6

3.1 - POPULAR BOILERHOUSE - TECHNICAL DETAILS

Firebird Enviromax Popular Boilerhouse C Range

Dimensions (mm)

112

705

759

Ø 209

697

130

832

1057

Boiler Model C80 / 100
Max Heat Output Kw 80 / 100

Btu/h (‘000) 341

CONNECTIONS

Heating Flow 2” Bsp.
Heating Return 2” Bsp.
Drain Off Cock 2” Bsp.
Condense Drain Off Connection. 22 mm PLASTIC

WATER CONTENT

Water Content Boiler 75

FLUE (Indoor Boilers) Concentric Flue
Balanced Flue Assembly

(mm) 207 (8”)

Conventional flue Socket. (mm) 207 id.
Flue Draught Reqd.

(Min WG.) 0.040”

Conventional Flue (Max WG.) 0.15”

MAINS WATER SUPPLY Limescale excess: When over 150/200 ppm. Fit appropriate scale reducer.
Pressure Max 10 bar max (Fit pressure reducing valve as necessary)

Min 1 bar min. For user Comfort reduce pressure at tap to between 1 and 5 Bar.

TEMPERATURE CONTROL

Boiler Central Heating Control 60˚C - 80˚C +- 3˚C
Boiler Safety Limit 110˚C +- 3˚C

HEATING SYSTEM (SEALED)

Fit in accordance with BS 7074 Part 1,
BS 5449, OFTEC Standards,etc

Boiler Test Pressure 4.5 Bar
Safety Valve Operating Pressure Gauge 0 to 4 Bar

WATER SIDE RESISTANCE

Flow Rate To Give A Nominal Output At 10k Differential Flow Rate To Give A Nominal Output At 20k Differential

Flow Rate Measured (Kg h

-1

) 2874.24 Flow Rate Measured (Kg h-1) 1522.92

Waterside Resistance

(mbar) 0.18 Waterside Resistance (mbar) 0.19

Pressure Jet Oil Burners RIELLO RDB 4.2
Fuel 35 second Gas Oil
Electrical Supply 230v.AC 50Hz To be fused at 5amp.

Copper Pipe Not Plastic to be used for a minimum of 1 metre off the boiler

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Firebird Enviromax Condensing Range

3

3.1 - POPULAR BOILERHOUSE - WIRING

ELECTRICAL SUPPLY

The boiler and controls require 230V 1 phase 50Hz mains electric supply protected with a 5amp fuse.

The guarantee on this product will be rendered void if damaged by power from a stand by electricity supply. i.e. (Generator.)

THIS APPLIANCE MUST BE EARTHED.

A qualified electrician must carry out all electric wiring in accordance with current I.E.E Regulations and any local
regulations which may apply.

The mains electrical supply must be taken from a double pole isolating switch with a 5amp fuse, positioned somewhere
close to the boiler.Heat resisting cable must be used which can be routed into the boiler through the access provided on
either side of the base. Ancillary controls may be provided for with terminal connections in the control panel.

Burner Plug.

N

E

Burner Plug.

Safety Limit
Thermostat.

Reset Pin Inside
Screw Off Cover.

Temperature
Controll Dial.

MAX.

MIN.

X = Burner Lock out.

N = Neutral.

L = Live

= Earth

Normally Open Contacts

Close On Rising Temp

TIME-SWITCH

FROST THERMOSTAT

MAINS IN

OVER RUN DIAGRAM FOR CIRCULATING PUMP.

Normally Closed

Contacts Open

On Rising Temp.

Clamp on pipe stat Set at 87˚C.

N.

TWO POLL SWITCH

(SERVICE SWITCH)

PUMP

HEATING

UNIT

N.

L

NX

L

NX

Control Thermostat.

Safety Limit

Thermostat.

E

E

Use Double Insulated
Heat ResistantCable.

Power supply

to Burner.

When connecting the mains

supply to this unit ensure that:

1 Double insulated heat resistant cable is

used.

2 No single insulated cable is exposed at

connection points on the (Therrmostat,
Burner, plug and socket)

3 All relevant lids and covers are properly

replaced and secured correctly.

4 A permanent power supply (not timed)

be available at location of boiler.

This can be used for a frost thermostat

and or an over heat thermostat, should
either or both be needed.

TO RESET: Wait for temperature to drop, unscrew cap then depress red pin.

Safety Limit

Thermostat.

Live Out To
Burner / Boiler.

Control

Thermostat.

= Earth

Burner Lock out.

Neutral.

Burner Lock out.

Switch Live

Neutral.

= Earth

SCHEMATIC DIAGRAM.

IMPORTANT

I. Stat Dual Thermostat

= Earth
L = Live
N = Neutral.
X = Burner Lock out.

POPULAR / BOILERHOUSE WIRING

Common.

CONTROL STAT. & LIMIT STAT.

Not Required in
Boilerhouse or
Heatpac Models

7

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3

8

3.1 - POPULAR BOILERHOUSE - PARTS

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4

15

5

3

5
4
3
2
1

1. Frame 2. Cone 3. Float

4. Screw Cap 5. Connector

2

1

6

14

13

10

11

12

ENVIROMAX POPULAR - Boilerhouse Model C100

No. Description C100

1 Burner panel 212416
2 Right Side Panel 212415
3 Left Side Panel 212418
4 Back Panel 212417
5 Jacket 112421
6 Shell ­ 7 Burner 410210

10 Graphite Door Seal 112414
11 Door Gasket 112362
12 Boiler Door 212423
13 Condense Trap 112184
14 Condensate Hose 111537
15 Boiler Dual Thermostat 112018

Firebird Enviromax Condensing Range

3

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3.1 - POPULAR BOILERHOUSE BAFFLES

• • • • PATENTED BOILER DESIGN • • • •

ENVIROMAX (E) RANGE BAFFLES.

Tube Baffle (4 Off) E26 & E35 - Part No. 110907

E26 & E35 Door. - Part No. 210910

E26 & E35 Door Gasket. - Part No. 110918

Tube Baffle (1 Off) E26 & E35 Part No. 110908

Tube Baffle (4 Off) E26 & E35 - Part No. 110909

E26 Smoke Baffle R4 ............... - Part No. 212028

E35 Smoke Baffle oblong ...... - Part No. 212122

ENVIROMAX C26 & C35

ENVIROMAX C44, C58, C73 & C100

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8 No. C44 Gas Baffle.
Part No. 211651.

8 No. C58 Gas Baffle. Part No. 211640.
8 No. C73 Gas Baffle. Part No. 211501.
8 No. C100 Gas Baffle. Part No. 212429

8 No. Gas Baffles.

C44/C58 Graphite Seal. Part No. 111646.
C73 Graphite Seal. Part No. 111511.

C44/C58 Duroboard Door. Part No. 111645.
C73 Duroboard Door. Part No. 111506.

C44 - C58 Baffle Door. Part No. 211644.
C73 Baffle Door. Part No. 111505.

Tube baffle No.3
Part No. 211504.

8 No. Tube baffle No. 1

Tube baffle No.1
Part No. 211502.

C100 Tube Baffle
Part No. 112502

C44 & C58

C73

5 No. Tube baffle No. 36 No. Tube baffle No. 1

Tube baffle No.2
Part No. 211503.

6 No. Tube baffle No. 2

4 No. Tube baffle No. 2

C100 - 10 x Tube baffle No. 1 • 9 x Tube baffle No. 2

Firebird Enviromax Condensing Range

3

10

3.2 - SYSTEM

Firebird Enviromax System C Model

Dimensions (mm)

Model Output Weight Dimensions(mm)
Enviromax Kw/hr kg H W D A B C E F G
System C20 143 845 442 610 753 221 157 94 124 ­System C26 146 845 442 610 753 221 157 94 124 ­System C35 149 845 442 610 753 221 157 94 124 ­System C44 235 1046 660 852 914 232 157 100 125 236

System

C44

System

C20 - C35

E

Top View

H

W

D

A

F

C

B

E

40

40

695

35

Front View Side View

Front View Side View

w

H

D

A

G

F

E

B

C

To p V ie w

Copper Pipe Not Plastic to be used for a minimum of 1 metre off the boiler

Boiler Model C20/26 C35 C44
Max Heat Output Kw 20/26 35 44

Btu/h (‘000) 68/89 119 150

CONNECTIONS

Heating Flow 1” Bsp 1”Bsp 1

1

/

2

” Bsp

Heating Return 1” Bsp 1”Bsp 1

1

/

2

” Bsp

Drain Off Cock

1

/2” Bsp.

1

/2” Bsp.

1

/2” Bsp.

Safety Pressure Relief valve outlet (Copper)

1

/2” Bsp.

1

/2” Bsp.

1

/2” Bsp.

Condense Drain Off Connection.

3

/4” Bsp. Female

Circulating Pump (Grundfos) 25/60 25/60 25/80
Boiler integral Expansion 12 litres 12 litres 18 litres

Vessel Normal Capacity pre-charged to 1 bar.

WATER CONTENT

Water Content Boiler 24 24 45

FLUE (Indoor Boilers) Concentric Flue
Balanced Flue Assembly

(mm) 125 (5”) 125 (5”) 155 (6”)

Conventional flue Socket.

(mm) 130 id. 130 id. 155 id.

Flue Draught Reqd.(Min WG.) 0.040” 0.040” 0.040”
Conventional Flue (Max WG.) 0.15” 0.15” 0.15”

Pressure Jet Oil Burners RIELLO RDB 2.2 up to C35 & RIELLO RDB 4.2 up to C58 - C73
Fuel 35 second Gas Oil
Electrical Supply 230v.AC 50Hz To be fused at 5amp.

TEMPERATURE CONTROL

Boiler Central Heating Control

60˚C - 80˚C+- 3˚C
Boiler Safety Limit 110˚C +- 3˚C
Tank (DHW)- Fixed 78˚C +- 3˚C
Early Alert - Fixed 87˚C +- 3˚C
Over-run - Fixed 93˚C +- 3˚C

HEATING SYSTEM (SEALED)

Fit in accordance with BS 7074
Part 1, BS 5449,OFTEC Standards, etc

Max. Operating Pressure 2.5 Bar
Max. System Pressure cold 1.5 Bar
Min. System Pressure cold 0.5 Bar + 0.3 Bar
Boiler Test Pressure 4.5 Bar
Safety Valve Operating Pressure 3 Bar

WATER SIDE RESISTANCE
Flow Rate To Give A Nominal Output At 10k Differential

Flow Rate Measured (Kg h

-1

) 2874.24

Waterside Resistance (mbar) 0.18

Flow Rate To Give A Nominal Output At 20k Differential

Flow Rate Measured (Kg h

-1

) 1522.92

Waterside Resistance (mbar) 0.19

Guidelines for Sealed System Installation - See section 3.2, 4, 5 & 6

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Firebird Enviromax Condensing Range

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11

3.2 - SYSTEM - WIRING

ELECTRICAL SUPPLY

The boiler and controls require 230V 1 phase 50Hz mains electric supply protected with a 5amp fuse.

The guarantee on this product will be rendered void if damaged by power from a stand by electricity supply. i.e. (Generator.)

THIS APPLIANCE MUST BE EARTHED.

A qualified electrician must carry out all electric wiring in accordance with current I.E.E Regulations and any local regulations
which may apply.

The mains electrical supply must be taken from a double pole isolating switch with a 5amp fuse, positioned somewhere close
to the boiler.Heat resisting cable must be used which can be routed into the boiler through the access provided on either
side of the base. Ancillary controls may be provided for with terminal connections in the control panel.

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Firebird Enviromax System Wiring Diagram

Enviromax 7 Pin Plug Wiring White Panel with Lights & Pressure Switch

Power To

Burner

Firebird

Dual Thermostat

Temperature
Control Dial.

High Limit

Thermostat.

Reset Pin Inside
Screw Off Cover.

MAX.

Control

Thermostat.

MIN.

Safety Limit

Thermostat.

Control Thermostat.

L1

N

L2

E

E

L

N

X

N

Pressure

LX

Switch.

T2

B4

B3

C

Pump Over run

Thermostat. 87˚C.

2

1

L1

N

T1

Temperature

Control.

Max 80˚C.

MIN. MAX.

Min 60˚C.

MIN. MAX.

Pressure Gauge.

Burner Plug.

Connection.

(B4) NEUTRAL

(S3) EARTH.

Mains

B4

S3

T1

T2

PERMANENT

LIVE (T1)

TIMED

SWITCH LIVE (T2)

B4

T2

S3

L1

T1

N

Pump

Connection.

N

NEUTRAL (N)

L1

PUMP LIVE (L1)

EARTH.

Use Heat Resistant Cable. Protect Supply with 5 Amp. Fuse.

Not in Use.

Burner Lock Out Light.

Mains Supply Light.

High limit
re-set button.

7 Pin Plug.
Power Supply & Pump.

Firebird Enviromax Condensing Range

3

12

3.2 - SYSTEM - PARTS

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7

11

8

5

6

16

12

14

13

3

ENVIROMAX SYSTEM - White Cased Models C20, C26, C35 & C44

No. Description C20 / C26 / C35 C44

1 Front Panel 111376 111787
2 Front Panel Insulation 110937 111788
3 Left Side Panel 111374 111786
4 Right Side Panel 111374 111792
5 Top Panel 111375 111793
6 Top Panel Insulation 111794 111789
7 Flue Trim (Half Moon) 111397 111587
8 Flue Blank 111388 111586
9 Flue Gas Analysis Blank 110923 110923
10 Control Panel 311671 311706
11 Back Support 111596 111790
12 Insulation Jacket 110917 111653
13 Boiler Shell 310960 311783
14 Left Support Bracket 210915 211805
15 Right Support Bracket 210915 211797
16 Back Support Bracket 210916 211770
17 Burner C20 410205 C44 410208
C26 410206 C58 410209
C35 410208
18 Air Hose 111902 111902
19 Pressure Vessel Bracket 210962 210962

15

9

4

18

17

19

10

2

1

Firebird Enviromax Condensing Range

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13

3.2 - SYSTEM - PLUMBING PARTS

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PROOF

8

15

7

1

16

7

6

9

2

1

12

10

11

14

6

12

11

10

7

2

13

9

1

ENVIROMAX SYSTEM PLUMBING PARTS

No. Description C20 / C26 / C35 C44 / C58

1 12ltr. Pressure Vessel ACC 012PVL ACC018PVL
2 Expansion Vessel Hose ACCCOMHOS ACCCOMHOS
6 Auto Air Vent ACCCOMAAV ACCCOMAAV
7 Pressure Switch ACC000PSW ACC000PSW
8 22mm Pump Valve ACC022PIV ACC022PIV
9 Circulating Pump ACCCOMPMP ACC150PMP
10 Pressure Gauge ACCCOMPRG ACCCOMPRG
11 3 Bar Safety Valve ACCCOMSRV ACCCOMSRV
12 Manual Air Vent ACCCOMMAC ACCCOMMAC
13 1
14 System Pipe 1 110969 ­ 15 System Pipe 2 110970 ­ 16 System Pipe 3 110971 ­ 17 22mm Butterfly Valve - -

1

/4”Gate Valve - 110758

Firebird Enviromax Condensing Range

3

14

3.2 - DOMESTIC HEATING & HOT WATER

When the system is cold and filled to initial fill pressure
Pithe pointer on the pressure gauge should point at 1

bar.

The pressure gauge shown has two red zones marked
on it. The first is between 0 and 1/2 a Bar. If the pointer
falls into this zone when system and boiler are cold this
is indicating that initial System Fill Pressure has
dropped and this will activate the pressure switch
cutting off power supply to the Combi C. Refill system
manually until indicated pressure rises to 1 bar.

N.B. Insufficient pressure in the boiler will cause
power supply to switch off.

* A 12 litre expansion vessel is fitted to boiler,
precharged with air or nitrogen to 1 bar which allows
a system static head of 5 metres. If the static head is
greater than this then the air charge in the vessel must
be increased to balance the higher static head. The air

charge should not exceed a pressure of 1.5 bar.

The Firebird Combi C Boiler’s with built in
Expansion Vessels having an initial air charge
pressure of 1 bar. If total water content of system is
greater than the capabilities of the vessel supplied
then an additional vessel will be required to be
fitted to the return pipe as close as is practical to
the boiler.There should be no valves or restrictions
between vessel and boiler. See page 17 for vessel
sizes.

If static head is altered then it is also necessary to alter
air charge pressure to equal static head (+ 0.3 Bar).This
is necessary in order to keep system water from
entering expansion vessel until system is being heated
and thus allow its maximum acceptance volume (V) to
be used only to accommodate the expansion of

system water during boiler operation.

Remember that air charge pressure must be equal in
both vessels (attached to the same system). In the
above example this is 1 bar. Air charge pressure is the
air pressure in expansion vessel before system is filled.
It is measured with a tyre gauge attached to Schrader
valve on the vessel.

SEALED HEATING CIRCUIT

(also applies to System Boilers)

The system must comply with BS 7074 Part 1 and BS
5449 Part 1 with a maximum water temperature of
80˚C.

* A manual reset overheat limit thermostat is located

at the rear of the electrical control panel. If a boiler
overheat condition arises the burner will stop and
remain inoperative until this thermostat reset
button is depressed.

* A pressure relief valve to BS 6759 operating at 3 bar

(45 lb/in

2

) is fitted. A discharge pipe of 15 mm
diameter is also fitted to the discharge connection
on the pressure relief valve. During installation an
extension pipe should be fitted to this, leading, to
outside the building.The pipe should be as short as
possible and may need a tundish fitted in a
protected position within the building.

Note:- Water must not discharge above an
entrance, window or where public have access.
The installer must be aware that the discharge
may be boiling water.

* A drain cock must be fitted at the lowest points in

the system to enable draining as necessary. A drain
cock is already fitted at the bottom of the boiler heat
store to enable draining of boiler and tank unit only.
All pipes connected to boiler should have shut off
valves fitted to facilitate this.

* A Pressure gauge, having range 0 to 4 bar is fitted to

boiler control panel.This indicates water pressure in
boiler and system at time of reading. Pressure
when cold should be

1

/2bar minimum to 1.5 bar
maximum. This is known as Initial System Design
Pressure (Pi).

N.B. Initial System Design Pressure (measured in
bar) equals static head of system (measured in bar)
plus 0.3.

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Firebird Enviromax Condensing Range

3

15

3.2 - DOMESTIC HEATING & HOT WATER

N.B. The second red zone is between 21/2 and 4 bar

pressure. When the heating system is up to full
working temperature, if the pointer on the
pressure gauge should enter this red zone
showing a final system design pressure of more

than 2

1

/2 bar, it is likely that:

(a) Total system water content is greater than

that calculated and if additional expansion
vessel has been fitted it should be replaced
with a larger unit
OR if integral boiler expansion vessel only is
used then an additional expansion vessel is
required.

(b) Static head may be higher than calculated. In

this case it is necessary to re-measure static
head and revise expansion vessel air charge
pressure.

(C) Expansion vessel incorrect size or air charge

pressure incorrect.

Refer to BS 7074

Part 1 and BS 5449 for further information.

EXAMPLE: using above table

If total water content of system is - 150 litres

and initial system pressure required is - 1.0 bar

then vessel volume required is - 16.3 litres

[from above table]

The vessel supplied with boiler is - 12.0 litres

therefore an additional vessel of - 4.3 litres
is required

(minimum)

(For this system of 150 litres - total water volume)

..Nearest available stock size for additional vessel
required, at 1 bar initial system pressure (taken from
above table) is 5 Litres.

It is emphasised that the installer should be fully
acquainted with sealed system installation and
operation, calculation of total system water volume,
determining of initial system pressure required and
calculation of any additional expansion vessel volume
required. Warranty is void when the boiler is

installed in a system with insufficient expansions.

NB .. Ensue that all expansion vessels in the same
system are set at EQUAL air charge pressures.

Safety Valve Setting 3 bar

Initial System Pressure 0.5 bar 1.0 bar 1.5 bar

Total Water Content TOTAL VESSEL
of System VOLUME **

Litres Litres Litres Litres

25 2.1 2.7 3.9
50 4.2 5.4 7.8

75 6.3 8.2 11.7
100 8.3 10.9 15.6
125 10.4 13.6 19.5
150 12.5 ->[16.3]<- 23.4
175 14.7 19.1 27.2
200 16.7 21.8 31.2
225 18.7 24.5 35.1
250 20.8 27.2 39.0

FOR FURTHER INFORMATION CONSULT

APPROPRIATE TRAINING MANUALS

AND BS 7074 PART 1, BS 5449, ETC

* * When calculating size of any additional

expansion vessel required,remember to deduct

the boiler expansion vessel volume of 12 litres

from the calculated total system vessel volume

required, as given in above table.

EXPANSION VESSEL AND SYSTEM

REQUIREMENTS

DOMESTIC HOT WATER CIRCUITS

The final 600 mm mains water supply should be of
copper tube to BS 2871 Part 1. Ensure that any capillary
fittings used are of lead free solder variety.

For user comfort the mains pressure at taps should
be between I and 5 bar. If it exceeds this it is
advisable to fit a pressure reducing valve adjusted
to reduce pressure to an acceptable level within
above range.

To ensure user comfort and satisfaction it may be
advisable to discuss foregoing with householder.Where
long hot water supply-pipe runs are used these should
be insulated to prevent rapid cooling of residual hot
water after draw off is completed.

If the boiler is fitted in a hard water area check that
hardness does not exceed 150 p.p.m. by testing with a
standard test strip. Immerse test strip in flowing tap
water for one second. Shake off excess water. Check
strip after approximately fifteen seconds. If three or
more zones have changed colour the water hardness is
over 150 p.p.m. (Read instructions on test strip
package). Fitting of an in line scale inhibitor is then
necessary.

Failure to check water hardness and fit appropriate
water softening equipment will result in scale build
up and consequent reduction in water heating
performance. Check with local Water Authority if in
doubt.



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Firebird Enviromax Condensing Range

3

16

3.2 - DOMESTIC HEATING & HOT WATER

Hot and Cold taps, mixing valves and fittings must be
suitable for operating at mains pressure up to 10 bar
Bidets with the supply of hot and cold mains water are
permitted if they are of the over-rim flushing type and
have shrouded outlets which enable them to have
temporary hand held spray attached. Showers of loose
headed or flexible type must be fixed so that the head
cannot fall closer than 25mm above the top edge of the
bath to prevent it immersing into the bath water.
Alternatively the shower should have a double check
valve incorporated at the point of the flexible
connections.

WATER FLOW REGULATION

The flow rate of water from individual taps may be
affected by any of the following:-

1. Number of taps in use at one time

2. Cold mains pressure

3. Diameter and length of pipework in the
domestic water circuits within the dwelling.

4. Excessive flow from 3/4” bath taps in a house
system converted to mains water supply.

It is recommended:­A. To ensure that the mains water connection to

the appliance is the first connection from
the mains on entering the dwelling.

B. Where flow starvation is encountered that flow

restrictors or balancing valves are fitted
at supply outlets.

* The boiler has circulating pumps fitted therefore no

other is normally required. They are factory set at
maximum output.This setting should not be altered
on the domestic hot water pump as production of
domestic hot water may be adversely affected.

SYSTEM FILLING,TESTING AND MAKE-UP

Introduction

Mains cold water is supplied through the boiler
pipework to two separate circuits operating at different
pressures.

Circuit One

This is the Radiator Heating System including boiler
and primary tank which is filled from mains supply via
flex filling loop (see - Method A) within boiler to a
pressure determined from system static head,
expansion vessel size and system water volume. This
flexible filling loop should be disconnected when
boiler and system are filled and checked, See
diagrams - Method A & Method B).

Circuit Two

This is the domestic cold water supply through the
boiler plate heat exchanger via domestic hot water
pipework direct to hot taps. This works at full mains
pressure or if this is excessive at a reduced pressure
controlled by a mains pressure reducing valve to a
pressure acceptable to householder and satisfactory for
the correct operation of Combi C Boiler System.This
mains pressure reducing valve is not supplied with
boiler, but will be available from a local supply
merchant.

System filling should take place slowly and can

be done by either of the following methods:-

Manual Filling

The Firebird Combi C comes with this system built into
the appliance. It consists of a flexible hose connection
with a butterfly shut off valve at each end and a double
check valve assembly at boiler end. To conform to
requirements of BS 7074 Part I and local water Authority
Bye Laws, the flexible hose should be disconnected at
one end when filling has been completed and checked.
Two end caps are supplied and should be fitted to
disconnected ends as a safety precaution against
inadvertent opening of ball valves.

Pressure gauge on Control Panel should be checked
occasionally when system is cold. Refill to initial fill
pressure if necessary. Should this be a frequent
occurrence, complete system should be checked for
leaks.

Automatic Filling

Automatic System filling may be made with a feed and
make-up cistern connected through a double check
valve and stop valve assembly to the return side of the
heating system as close to the boiler as is practical.This
cistern should be located above the heating systems
highest point to give a minimum static head of 300 mm
between it (highest point) and cistern. The manual
filling system fitted to boiler should then be
disconnected and connection points blanked off.

This system has the advantage of automatic water
make-up in the event of system pressure loss due to air
elimination and minor leaks. In any case control panel
pressure gauge should be occasionally checked.

METHOD A.

Mains
Water
Supply

Filling

Direction

Double

Check Valve

Hose

Union

Heating

Circuit

Return
Stop
Valve

Test Clock.

Disconnect After Filling

Filling

Direction

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Firebird Enviromax Condensing Range

3

17

3.2 - DOMESTIC HEATING & HOT WATER

N.B. Remember also to check air fill pressure of

Expansion Vessel when system is cold
using standard tyre gauge connected to
Schrader air valve on vessel.

NOTE: There shall be no direct connection to the

mains, even with the use of a non-return
valve without the permission of Local
Water Authority.

* It is recommended that an inhibitor be added

at the time of final fill to protect the System
from corrosion. Ensure that this is carried out
in accordance with inhibitor manufacturers
instructions. Installer should ensure that
inhibitor used is suitable and that it will have
no adverse effect on Expansion Vessels
diaphragms or any other part or component
of the system.

COMMISSIONING

* Before proceeding to filling, ensure that

electricity supply is switched off at mains to
avoid any possibility of time switch operating
and passing power to appliance prior to filling.

Filling and Testing

Check that all connections, especially compression
joints, are fully tightened. Re-check and ensure that
pressure vessel air charge is correct, then fill system
with water via filling system used. Turn off water

supply before system pressure reaches safety valve
operation point of 3 bar. (Say 2 to 2.5 bar).Vent system

via all manual air vents including circulating pumps,
boiler,radiators,system high points. etc.Check that dust
caps are loosened on auto air vents, keep constant
check on system pressure gauge (fitted to control
panel). If pressure has dropped re-admit water to above
pressure. Ensure all appropriate boiler and system
valves are open.

METHOD B

-With water supply turned off, thoroughly flush out
boiler and system to remove all foreign matter before
allowing boiler and pumps to operate. If in doubt drain
system and repeat above procedure. At this stage
flushing-out water should be clean and clear of all
foreign matter.

Refill the system and again vent at all points as
described above. Examine the complete system for
water leaks having pressurised it to 1 - 2.5 bar. Correct
any leaks, then check operation of safety valve by
admitting further water until this valve operates. This
should occur when system pressure rises to between

2.7 and 3.3 bar.When satisfied with valve operation, and
with mains water still turned off, draw off sufficient
water until initial system design fill pressure (Pi). (cold
fill) is established (0.5 - 1 bar - as calculated for system).

Remember that initial cold fill pressure can only be
checked when system water has properly cooled down.
Check that final operating pressure (Pf) is under 2.5
bar with all radiators turned on and up to highest
working temperature. Should system operating
pressure exceed this,check:

1. That initial cold fill pressure is correct and , if
additional expansion vessel is fitted, that
pressure is equal in each vessel.

2. That expansion vessels are sized correctly.

Special attention should be given to existing
heating systems where Firebird Combi C boiler has
replaced an existing unit. Extra effort should be
made to ensure that all original pipe work and
radiators are repeatedly flushed. If possible use a
proprietary cleansing agent suitable for system as
loosened scale and foreign matter can seriously
reduce domestic hot water performance and pump
efficiency.

Use corrosion inhibitor of suitable type.

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Firebird Enviromax Condensing Range

3

18

3.3 - SYSTEMPAC

Firebird Enviromax Heatpac C Range

Dimensions (mm)

SYSTEMPAC & HEATPAC

SLIMLINE HEATPAC

Model Output Weight Dimensions(mm)
Enviromax Kw/hr kg H W D
Slimline C26 150 922 756 469
Slimline C35 153 922 756 469

Model Output Weight Dimensions(mm)
Enviromax Kw/hr kg H W D A B C E F G I J K N P

Heatpac C26 158 946 713 622 808 179 540 176 432 134 271 79 45 ø46 70

Heatpac C35 158 946 713 622 808 179 540 176 432 134 271 79 45 ø46 70

Heatpac C44 244 1074 840 856 936 181 684 176 796 134 507 85 40 ø63 115

D

H

W

A

B

C

E

F

IG

I

JK

N

P

ø28

68

C35

520

710

600

ø16

430

172

620

194

108

D

W

H

116

143

100

473

119

45

45

67

126

ø46

ø28

445

115

ø28

126

ø88

805

Firebird Enviromax Slimline C Range Dimensions (mm)

Copper Pipe Not Plastic to be used for a minimum of 1 metre off the boiler

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Firebird Enviromax Condensing Range

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19

3.3 - SYSTEMPAC

ENVIROMAX Systempac Heatpac / Slimline Heatpac

Boiler Model C26 C35 C44 C26 C35 C44/58 C73
Max Heat Output Kw 26 35 44 26 35 44 / 58 73

Btu/h (‘000) 89 119 150 89 119 150 / 198 249

CONNECTIONS

Heating Flow 1” Bsp. 1” Bsp. 1

1

/

2

” Bsp. 1” Bsp. 1” Bsp. 1

1

/

2

” Bsp 1

1

/

2

” Bsp.

Heating Return 1” Bsp. 1” Bsp. 1

1

/

2

” Bsp. 1” Bsp. 1” Bsp. 1

1

/

2

” Bsp. 1

1

/

2

” Bsp.

Mains Cold Feed (Copper)

1

/2” Bsp.

1

/2” Bsp.1/2” Bsp.

Drain Off Cock

1

/2” Bsp.

1

/2” Bsp.1/2” Bsp.

1

/2” Bsp.1/2” Bsp.

1

/2” Bsp.

1

/2” Bsp.

Safety Pressure Relief

valve outlet (Copper)

1

/2” Bsp.

1

/2” Bsp.1/2” Bsp.

Condense Drain Off Connection.

White Cased

3

/4” Bsp. Female

3

/4” Bsp. Female

Heat Pac & Popular B.H.

22 mm PLASTIC 22 mm PLASTIC

Circulating Pump (Grundfos) 25/60 25/60 25/80
Boiler integral Expansion 12 litres 12 litres 18 litres

Vessel Normal Capacity pre-charged to 1 bar.

WATER CONTENT

Water Content Boiler

24 24 45 24 24 43.5 54

TEMPERATURE CONTROL

Boiler Central Heating Control

60˚C - 80˚C+- 3˚C 60˚C - 80˚C +- 3˚C
Boiler Safety Limit 110˚C +- 3˚C 110˚C +- 3˚C
Over-run - Fixed 87˚C +- 3˚C 87˚C +- 3˚C (Heatpac & Kitchen only)

FROST THERMOSTAT FITTED
TO ALL HEAT PAC MODELS

HEATING SYSTEM (SEALED)

Fit in accordance with BS 7074
Part 1, BS 5449,OFTEC Standards, etc

Max. Operating Pressure 2.5 Bar
Max. System Pressure cold 1.5 Bar
Min. System Pressure cold 0.5 Bar + 0.3 Bar
Boiler Test Pressure 4.5 Bar 4.5 Bar
Safety Valve Operating Pressure 3 Bar 3 Bar

MAINS WATER SUPPLY Limescale excess: When over 150/200 ppm. Fit appropriate scale reducer.
Pressure Max 5 bar Maximum Operating Pressure (Tested to 10 bar) (Fit pressure reducing valve as necessary)

Min 1 bar min. For user Comfort reduce pressure at tap to between 1 and 5 Bar.

WATER SIDE RESISTANCE Flow Rate To Give A Nominal Output At 10k Differential

Flow Rate Measured (Kg h

-1

) 2874.24

Waterside Resistance (mbar) 0.18

Flow Rate To Give A Nominal Output At 20k Differential

Flow Rate Measured (Kg h

-1

) 1522.92

Waterside Resistance

(mbar) 0.19

Pressure Jet Oil Burners RIELLO RDB 2.2 up to C35 & RIELLO RDB 4.2 up to C58 - C100
Fuel C2 Kerosene
Electrical Supply 230v.AC 50Hz To be fused at 5amp.

BOILER SAFETY LIMIT, FROST AND OVER-RUN THERMOSTATS FITTED ON ALL HEAT PAC MODELS

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Firebird Enviromax Condensing Range

3

20

3.3 - SYSTEMPAC - WIRING

Use Heat Resistant Cable.

Protect Supply with 5 Amp. Fuse.

Firebird Systempac C Wiring Diagram

Pump

Connection.

Mains

Connection.

(B4) NEUTRAL

(S3) EARTH.

TIMED

SWITCH LIVE (T2)

PERMANENT

LIVE (T1)

B4

T1

T2

S3

N

L1

NEUTRAL (N)

EARTH.

PUMP LIVE (L1)

B4

N

T1

T2

S3

L1

Temperature
Control Dial.
Max 80˚C.
Min 60˚C.

Firebird I. Dual Thermostat

Temperature Control.

Min 60˚C.

MIN. MAX.

Max 80˚C.

MIN.

MAX.

MIN. MAX.

High Limit
Thermostat.

Reset Pin Inside
Screw Off Cover.

Control

Thermostat.

Te mperature Control

High Limit re-set button

7 Pin Plug

Burner Plug

Power Supply & Pump

Power To

Burner

Safety Limit

Thermostat.

B4

N

T1

T2 B3

L1

N

L1

L2

Blue

Brown

Control Thermostat.

E

E

L

N

X

L

N

X

2

C

1

A

B

Power To

Burner

Safety Limit

Thermostat.

B4

N

T1

T2 B3

L1

N

L1

L2

Blue

Brown

Control Thermostat.

E

E

L

N

X

L

N

X

2

C

1

A

B

Pressure

Switch

Enviromax 7 Pin Plug Systempac Wiring

Pump Over

Run Thermostat

87˚C.

A

Bi. Metal

Frost Thermostat.

5˚C. / 14˚C.

B

ELECTRICAL SUPPLY

The boiler and controls require 230V 1 phase 50Hz mains electric supply protected with a 5amp fuse.

The guarantee on this product will be rendered void if damaged by power from a stand by electricity supply. i.e. (Generator.)

A qualified electrician must carry out all electric wiring in accordance with current I.E.E Regulations and any local regulations
which may apply.

The mains electrical supply must be taken from a double pole isolating switch with a 5amp fuse, positioned somewhere close
to the boiler.Heat resisting cable must be used which can be routed into the boiler through the access provided on either
side of the base. Ancillary controls may be provided for with terminal connections in the control panel.

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Firebird Enviromax Condensing Range

3

21

3.3 - SYSTEMPAC PARTS

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PROOF

7

8

3

2

4

6

ENVIROMAX HEATPAC - Outdoor Models C26, C35 & C44

No. Description C26/35 C44

1 Front Panel 211527 211754
2 Control Panel 310453 311804
3 Fixed Right Side 211518 211758
4 Removeable Right Side 211521 211751
5 Fixed Left Side 211517 211752
6 Removeable Left Side 211520 211750
7 Back Panel 211547 211748
8 Top Panel 211519 211753
9 Base 211528 211746
10 Key 110267 110267

5

9

1

10

Firebird Enviromax Condensing Range

3

22

3.3 - SLIMLINE HEATPAC PARTS

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PROOF

9

5

6

3

2

4

7

ENVIROMAX SLIMLINE HEATPAC - Outdoor Models C26 & C35

No. Description C26 C35

1 Front Panel 211604 211604
2 Control Panel 311146 311146
3 Fixed Right Side 211608 211608
4 Fixed Left Side 211607 211607
5 Back Panel 211605 211605
6 Top Panel 211609 211609
7 Base 211594 211594
8 Key 110267 110267
9 Flue Panel 211606 211606

1

8

Firebird Enviromax Condensing Range

4

23

STANDARDS & REGULATIONS

In addition, the work must comply with OFTEC
Installation Requirements for oil fired boilers
and oil storage tanks.

OFTEC also publish excellent guides including: Safe

working practices for Oil Fired Technicians' - OFTEC
Technical Book Three (Installation requirements for Oil
Fired Boilers and Oil Storage Tanks) - OFTEC Technical
Book Four (Domestic Heating Systems) and it is
recommended that these should adhere to Domestic
Heating Design Guide.

COPIES OF BRITISH STANDARDS MAY

BE PURCHASED DIRECT FROM:

BSI (Customer Services),

389 Chiswick High Rd., London W4 4AL.

Tel.: [phone] Fax: [phone]

International and EC Standards are

also available from above.

OFTEC PUBLICATIONS ARE AVAILABLE FROM:-

OFTEC, Oil Firing Technical Association,

Foxwood House, Dobbs Lane,

Kesgrave, Ipswich.IP5 2QQ

www.oftec.org

PRE- INSTALLATION CHECKS

The installer should also be aware of his/her
responsibilities under The Health and Safety at Work
Act. The interests of safety are best served if the boiler
is installed and commissioned by a competent
engineer, OFTEC trained and Registered. If not a
Building Notice is required in England & Wales. Other
parts of the British Isles including the Channel Islands
also require notification to building control.

BOILER INSTALLATION:

Other than special considerations for condensate
removal and plume dispersal, the installation of oil
firing condensing boilers is the same as for
non-condensing boilers.

BS 5410 : Part 1 1997 gives the requirements for
domestic boiler and oil storage installations.

For condensing boilers the same requirements apply
for installation with regard to cleaning and flushing
and providing inhibitors as are followed for any other
boiler. Manufacturers instructions must always be
followed together with the requirements of BSEN
12828, 2003 & BS EN 12831, 2003, which supersede BS
5449 1990, and the statutory requirements of the
Building Regulations.

STANDARDS & REGULATIONS

To ensure the highest standards of installation &
safety,it is important that the boiler be installed in
compliance with the following regulations where
applicable. It is the responsibility of installer and
everyone concerned with any aspect of installation
to ensure that all applicable standards and
regulations are fully adhered to.

All CURRENT editions of the appropriate
Building Regulations:-

Part L & J England & Wales

Part F Section III Scotland -

Conservation of Fuel Power

Part L Northern Ireland -

Conservation of Fuel Power

Part J Republic of Ireland -

Conservation of Fuel Power

BS 5410 Part 1 1997. Code of practice

for Oil Firing Installations.

BS 799 Part 5 1987. Specification for

Oil Storage Tanks.

BS 4876 1984. Performance requirements for

oil burning appliances.

BSEN 12828:2003 (UK National Annex). Heating

Systems in Buildings - Designed
for water based heating systems.

BS 7074 Part 1 1989. Application, selection

and installation of expansion
vessels and ancillary equipment
for sealed water systems.

BS 5446 1990. Installation of hot water supplies

for domestic purposes.

BS 7593 1992. Code of Practice for treatment of

water in heating systems.

BS 715 1989. Metal flue pipes, fittings,terminals

and accessories.

BS 1189 1989. Clay flue linings and flue terminals.

BS 4543 part 3 Factory made insulated

1990. chimneys for oil fired
appliances.

BS 6700. Design, installation, testing and

maintenance of services
supplying water.

BS 7671. Current lEE Regulations. Local

Water Undertaking Bylaws.
Water supply (water fittings)
Regulations 1999.
The Control of Pollution (Oil)
Regulations.

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Firebird Enviromax Condensing Range

5

Safe use of Kerosene.

These fuels give off a flammable vapour when heated
moderately. Vapour ignites easily, burns intensely and
may cause explosion. The vapour can follow along at
ground level for considerable distances from open
containers and spillages collecting as an explosive
mixture in drains, cellars, etc.

Fuels remove natural oils and fats from the skin and
this may cause irritation and cracking of skin. Barrier
cream containing lanolin is highly recommended
together with good personal hygiene and where
necessary appropriate personal protection
equipment. (P.P.E.)

Gas oil may also cause irreversible damage to health
on prolonged or repeated skin contact.

Always store fuels in a properly constructed and
labelled tank. Always handle fuel in open air or well
ventilated space away from sources of ignition and
refrain from smoking.

Always drain fuel using a proper fuel retriever, funnel
or mechanical siphon. Never apply heat to a fuel tank,
container or pipework. Never siphon fuel through
tube by mouth. If accidentally swallowed contact
doctor immediately and do NOT induce vomiting.
Avoid inhaling fuel vapour as this can cause light
headedness and seriously impair judgement.

Under the Consumer Protection Act 1987 and
Section 6 of the Health and Safety Act 1974, we are
required to provide information on substances
hazardous to health.

INSULATION AND SEALS

Ceramic Fibre, Alumino - Silicone Fibre material are
used for boards, ropes and gaskets. Known hazards
are that people may suffer reddening and itching of
the skin. Fibre entering the eye will cause foreign
body irritation. It may also cause irritation to the
respiratory tract.

Precautions should be taken by people with a history
of skin complaints or who may be particularly
susceptible to irritation. High dust levels are only
likely to arise following harsh abrasion. Suitable
personal protective equipment should be worn where
appropriate.

Generally, normal handling and use will not give
discomfort. Follow good hygiene practices, wash
hands before consuming food, drink or using the
toilet.

First Aid - Medical attention should be sought
following eye contact or prolonged reddening of the
skin.

The small quantities of adhesives and sealants used in
the product are cured. They present no known
hazards when used in the manner for which they are
intended.

1. Switch off all electrical and other ignition
sources.

2. Remove all contaminated clothing to safeguard
against fire risk and skin damage. Wash affected
skin thoroughly with soap and water and
remove clothing to a safe well ventilated
area and allow to air before cleaning.

3. Contain and smother the spill using sand or
other suitable oil absorbent media or
non-combustible material.

4. Do not allow fuel to escape into drains or water
courses. If this happens, contact the relevant
authorities in your area. (Ireland Only)

Contact The Environment Agency on
0800 807060 (UK Only)

5. Consult local Authority about disposal of
contaminated soil.

If fuel is accidentally swallowed:-

* Seek medical attention immediately. Do NOT

induce vomiting.

If fuel is splashed into eyes:-

* Wash out with running water for at least ten

minutes and seek medical attention.

HEALTH & SAFETY INFORMATION

THIS PRODUCT HAS BEEN DESIGNED

TO THE FOLLOWING STANDARDS:

EMC Directive
(Electromagnetic compatibility) 89/336/EC

Standards:
EN 61000-6-1: Electromagnetic Compatibility Generic
Standard - Immunity for residential, commercial and
light industrial environments. (Feb.2001)

EN 61000-6-3: Electromagnetic Compatibility Generic
Standard - Emission standard for residential,
commercial and light industrial environments.
(Feb.2001)

LV Directive
(Low voltage) 73/23/EEC

Standard:
IEC 60335-1: Household and similar electrical
appliances - Safety (May 2001)

Boiler Efficiency Directive 92/42/EEC

Standard:
BSEN 304: Oil boilers with forced draft burners.

FUEL SPILLAGE

SAFETY

FIRST AID

24

SAFETY

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Firebird Enviromax Condensing Range

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25

6.1 - INSTALLATION GUIDELINES

The safety high limit thermostat [2] will shut off the boiler
and will require the limit button to be pushed to restart
the boiler. If the problem re-occurs, you should call your
service engineer.

In cases where the flow from the boiler is down to the
heating system,fitting a PUMP OVER R

UN THERMOSTAT [3]
(A Pipe Stat) is recommended. This is to prevent the
residual heat build up in the boiler from unnecessarily
activating the high limit thermostat and thus causing
nuisance. See Heat Pac Wiring Diagram on page 38.

We have factory fitted pump overrun thermostats on
Kitchen,System, Combi and Heatpac range of boilers.

TIME AND TEMPERATURE CONTROLS

The Building Regulations state that central heating
systems must have time and temperature control on the
pipe circuits (eg thermostatic radiator valves / TRVs, room
thermostats, cylinder thermostats etc.).

BURNER

The burner is factory set for use with kerosene
28 second class C fuel.

ROOM SEALED BALANCED FLUES.

(a) BS5410 – 1997 Code of practice for oil firing.
Installations up to 45 kW output capacity for space
heating and hot water supply purposes

Paragraph 11.2 Mounting

“The flue terminal should be mounted so that it is
separated from any combustible material forming a part of
the building.

Such combustible material may take the form of cladding
on the surface of a non-combustible wall through which
the flue outlet passes. In such a case, the cladding
adjacent to the flue outlet should be replaced by
non-combustible material extending not less than 50mm
beyond the outside dimensions of the flue outlet.

The wall through which the flue outlet passes may itself be
of combustible material, and if so the flue outlet, where it
passes through the wall, should be surrounded by
non-combustible insulating material not less than 50mm
thick (see Fig. 1, Page 44). The insulating material itself
should be contained in a steel liner to provide the
necessary structural rigidity and to prevent moisture
reaching the insulating material.”

Please not following important points before
commencing installation. Failure to do so will
invalidate warranty

INST

ALLATION & COMMISSIONING:

Boilers must be installed, commissioned and serviced by
qualified and experienced persons and as set out in the
installation manual, using correct test equipment.

EXPANSION VESSEL:

Total water content of system and boiler must be
calculated to determine if an additional pressure vessel is
required.

HARD WATER - LIMESCALE:

Failure to check water hardness and fit appropriate water
softening equipment will result in scale build up and
consequent reduction in water heating performance.
Check with local Water Authority if in doubt.

PLASTIC PIPING - WARNING

The boiler thermostat control and safety system is not
designed, and must not be relied on, to protect plastic
pipe from overheating. Plastic pipe must never be
connected directly to the boiler. If you choose to use
plastic pipe anywhere on your heating circuits, then
please consult the plastic pipe manufacturer for their
instructions on how to ensure their product never
overheats. Our boiler control and safety high limit
thermostats are not designed to fulfil this function. (They
may suggest the fitting of independent pipe thermostats,
or thermostatic mixing valves linking flow and return).

• Firebird accepts no responsibility for failure of plastic
piping and fittings for what ever reason.

W

ARNING:

The manufacturer cannot accept responsibility for any
damage to persons, animals or property due to error in
installation or in the burner adjustment or due to
improper or unreasonable use or non observance of the
technical instruction enclosed with the burner, or due to
the intervention of unqualified personnel.

BOILER THERMOSTAT / THERMISTOR FUNCTION

The CONTROL THERMOSTAT [1] on the boiler allows the
householder to vary the water flow temperature from a
low of 60˚C to a high of 80˚C to 82˚C, depending on the
model.

In accordance with EU boiler standards, your boiler is also
fitted with a SAFET

Y HIGH LIMIT THERMOSTAT [2], fixed at
114˚C. This system protects the boiler in the event of the
control thermostat failing and keeps the boiler safe.

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Firebird Enviromax Condensing Range

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6.2 - INSTALLATION IN NEW ZEALAND & AUSTRALIA

Installation in New Zealand and Australia

This appliance has been manufactured in compliance with AS1690

Domestic Oil Fired appliances Safe Design Code.

This appliance has a current Occupational Safety and Health (OSH)

and Environmental Risk Management Association (ERMA)

Clean Air Approval number of 1079/03

This appliance and flue system has been tested by CRL Laboratories in

New Zealand ( Certificate number 07-41180 ) and can be

installed to meet the requirements of AS1691-1985

Domestic Oil Fired Appliances Installation.

This includes suitability for zero clearance installation to

combustible surfaces.

Please ensure that this appliance and flue system is installed to comply with

manufacturers instructions and AS1691-1985 Domestic Oil fired Appliances Installation.

Please ensure that the appliance is bolted to the floor for seismic restraint.

Firebird recommend the use of Firebird coaxial flue systems to achieve room sealed operation.

However, conventional flue systems are also suitable.

The installation of this appliance and fuel source will require a building

consent from your local council.

THIS APPLIANCE IS TUNED TO RUN ON DIESEL FUEL.

This appliance must be installed by experienced personnel.

Failure to install correctly will invalidate the warranty.
The warranty does not cover consequential damages.

If you have any queries with this product,

please consult the distributor in New Zealand

Central Heating New Zealand Ltd

11 Parkhouse Road

Christchurch

0064 3357 1233

www.centralheating.co.nz

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Firebird Enviromax Condensing Range

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6.3 - POSITIONING THE BOILER

Ensure that adequate clearance is available for making the water and flue connections.

As the boiler is serviced from the front, no headroom clearance is necessary but a
clearance of 750mm must be available at the front of the boiler.

No special hearth is required as the boiler is fully insulated, but the floor must be
level and capable of supporting the weight of the boiler and its water content.

Sound levels must also be a consideration.Whilst Firebird Enviromax boilers are one of the quietest boilers on
the market, some householders are particularly sensitive and the following points should be considered:

1. Tiled surfaces in a small room will amplify noise - particularly if the wall construction is hollow.

2. If a conventional flue passes through a bedroom it is capable of transmitting noise.

3. Low level balanced flue terminals can produce exhaust noise on the outside terminal

and this should be considered when siting near adjacent property.

4. The Firebird Balanced Flue Kit has been specifically designed for
Firebird’s indoor boilers. The use of third party low level flue kits
is not recommended and will affect its warranty.

5. The Siting of the boiler should take into account
the disposal of condensate products.

• It is recommended that a suitable
corrosion inhibitor is added to the
heating system.

• New and existing systems should be
treated with chemical cleaner and
properly flushed before the boiler is
fitted and corrosion inhibitor added.

• In areas of hard water a suitable
descaler would also be required.

Fig. 1

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Allow a 25mmm clearance around
the flue from combustible surface

Seal with flange or silicon to
prevent ingress of moisture
and combustion gas

25mmm 25mmm

.

Allow a 25mmm clearance around

the boiler from combustible surface

.

Firebird Enviromax Condensing Range

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28

6.4 - CONDENSATE DISPOSAL - OPTION 1

Before switching on your Firebird condensing oil boiler check that:
(1) The float & condense drain baffle are in place. (2) That the condense trap is primed.
(3) The condense discharge pipe is a corrosion resistant pipe.

Condense Baffle and Condense Trap

Condense Drain Baffle

Door sealing
membrane.

Condense Drain Float

Door Gasket.

Door.

The Condense Trap is located

at the base of the boiler

Boiler

Sealed

Condense Drain

Discharge Pipe

75mm

Lime Stone
Chippings

Free Draining Soil

Soak Away.

figure 1.

Boiler

Gully

Condense Drain

Washing
Machine.

Trap.

Waste Pipe.

figure 2.

figure 3.

figure 4.

CONDENSATE DISPOSAL

SYSTEM NO. 1

CONDENSATE TRAP

IMPORTANT

Always prime condense trap.

Fig. 1

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Discharge Pipe must
have a minimum diameter
of 20mm, and it must be
supported with a 2.5˚
(1:40) fall from boiler.

Discharge Pipe

Gully

Discharge Pipe must
have a minimum
diameter of 20mm and
it must be supported
with a 2.5˚ (1:40) fall
from boiler.

Stack

Discharge Pipe

Boiler

75mm

Boiler

Condense Drain

Condense Drain

75mm

Firebird Enviromax Condensing Range

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29

6.4 - CONDENSATE DISPOSAL - OPTION 2

CONDENSATE DISPOSAL

SYSTEM NO. 2 - CONDENSATE PUMP

IMPORTANT

Firebird condensing boilers when in condensing mode extract more heat from the flue products and the resulting
condensate which is mildly acidic needs to be drained from the boiler via a condensate pipe to the drainage system.

Provision must be made for the removal of condensate from the boiler to a internal soil stack, waste pipe,
external soil stack, gully or soak-away as per BS6798.

The 75mm trap is provided with the boiler and situated on the front of the boiler (under the cleaning door) as per
figure 1, page 45.This should be checked at regular intervals and cleaned at annual service.

The condensate line should be plastic and minimum diameter of 22mm.

Copper or steel cannot be used.

A fall from the boiler of 1:40 minimum.

As few bends as possible to reduce the risk of trapping condensate.

CONDENSATE PIPEWORK THAT IS EXTERNAL OR IN AN UNHEATED GARAGE SHOULD NOT

EXCEED 3 METERS AND LAGGED WITH WATER PROOF INSULATION TO PREVENT FREEZING.

CONDENSE PUMP (KIT IS AVAILABLE AS AN OPTIONAL EXTRA)

Condense

Pump wired

in to come

on with burner.

Condense

Pump.

Hose pipe.

Out to drain.

Inlet connected

to condense drain

at base of boiler

must be into

a sealed pipe

Out

Inlet

Hose tail connection.

Kitchen Control Panel.

Brown

L2L1N

Inlet connected to condense drain at base of boiler

Out to drain.

Out to drain.

Condense

Pump.

Inlet

Combi

Control Panel.

MIN. = 60˚C.

MAX. = 80˚C.

MIN.

MAX.

MID.

C˚

Stack

Ground Level

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Stack

PART NUMBERS
Condense Pump 111508
Hose tail connection 111510
Hose pipe 111509

Condense Pump Performance
Flow rate: 7.2 l/min
Lift: 5.m
Head: 8.m

Ground Level

From

Condense

Pump to

Drain.

10 mm Griflex Tubing
Discharge Pipe

Boiler

To Condense Pump.

Condense Drain

Firebird Enviromax Condensing Range

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6.5 - FLUES REGULATIONS

BALANCED FLUE SITING

Notes: 1. The terminal should be positioned to avoid combustion products entering

the building or accumulating in stagnant pockets around buildings.

2. The terminal must be protected by a guard if it is less than 2 metres above ground
level or in a position where any person has access to it (i.e.a balcony).

3. A heat protection shield should be fitted if the terminal is less than 850mm from
a plastic or painted gutter or less than 450mm from painted eaves.

* FIREBIRD RECOMMENDS AS PER OFTEC RECOMMENDATIONS THAT THE FLUE SHOULD

BE A MINIMUM DISTANCE OF 1 METRE

FROM OPENINGS SO THAT IT DOES NOT
CAUSE A NUISANCE AND PERMITS THE DISPERSAL OF COMBUSTION PRODUCTS.
(SEE PAGE 51)

ALWAYS CHECK FOR ANY BUILDING REGULATIONS AMENDMENTS WHICH MAY

HAVE BEEN ISSUED AFTER THE PUBLICATION OF THIS MANUAL

A. Horizontal from opening,

airbrick, opening window
etc.

B. From an internal or

external corner.

C. Below an opening,

airbrick, opening window
etc.

Book three Aug. 2002

*Where the terminal is within 1 metre of any plastic material, such material should be protected from the

effects of combustion products of fuel. There are additional general requirements in most Regulations and

Standards that the flue must be positioned so that it does not cause a nuisance and permits the dispersal of

combustion products.

NOTE: The Buildings Regulations clearances shown above are minimum allowed. To take account of

prevailing site conditions it is advisable wherever necessary to follow the manufacturers preferred
recommendation. If in doubt contact manufacturer for advice.

See note at foot of page

Building Regulations

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BUILDING REGULATIONS ABC

Northern Ireland 1990 600 600 600

Republic of Ireland 1997 600 600 600

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A

C

B

C

A

Firebird Enviromax Condensing Range

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6.5 - FLUES REGULATIONS

Minimum distances to terminals in millimetres as measured from top of the chimney

or the rim of a low level discharge opening.

APPLIANCE BURNER TYPE PRESSURE JET VAPOURISING

A Directly below an opening, air brick, opening window etc * 600 Not allowed
B Horizontally to an opening, air brick,opening window etc * 600 Not allowed
C Below a gutter,eaves or balcony with protection * 75 Not allowed
D Below a gutter or a balcony without protection 600 Not allowed
E From vertical sanitary pipework 300 Not allowed
F From an internal or external corner or surface or boundary alongside the terminal 300 Not allowed
G Above ground or balcony level 300 Not allowed
H From a surface or boundary facing the terminal 600 Not allowed
J From a terminal facing the terminal 1200 Not allowed
K Vertically from a terminal on the same wall 1500 Not allowed
L Horizontally from a terminal on the same wall 750 Not allowed
M Above the highest point of an intersection with the roof 600 1000
N From a vertical structure on the side of the terminal 750 2300
0 Above a vertical structure less than 750mm from the side of the terminal 600 1000
P From a ridge terminal to a vertical structure on the roof 1500 Not allowed

Clearances advised by the BRITISH STANDARDS for Open Flues,

Low Level Balanced Flues and Balanced Flues fitted to Oil Fired Boilers.

THESE ARE ALSO THE BUILDING REGULATIONS FOR ENGLAND, WALES & SCOTLAND

These notes form an integral part of the information shown above.

1. Terminals should be positioned so as to avoid products of combustion accumulating in stagnant pockets
around the building or entering into buildings.

2. Appliances burning Class D oil have additional restrictions.(See 1.7.3 in Oftec Book 3 - Aug. 2002)

3 Vertical structure in N, 0 and P include tank or lift rooms, parapets, dormers etc.

4. Terminating positions A to L are only permitted for appliances that have been approved for low level flue
discharge when tested to OFS A100 or A101.

5. Terminating positions must be at least 1.8 metres distant from an oil storage tank unless a wall with at least
30 mins fire resistance and extending 300mm higher and wider than the tank is provided between the tank
and the terminating position.

6. Where a flue is terminated less than 600mm away from a projection above it and the projection consists
of plastic or has a combustible or painted surface, then a heat shield of at least 750mm wide should be
fitted to protect these surfaces.

7. For terminals used with vapourising burners, a horizontal distance of at least 2300mm is required between
the terminal and the roof line.

8. If the lowest part of the terminal is less than 2 metres above the ground, balcony,flat roof or other place to
which any person has access, the terminal must be protected by a guard.

9. Notwithstanding the dimensions given in the drawing and table, a terminal should not be sited closer
than 300mm to combustible material.

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P

M N

Boundary

J

Boundary

F

F

H

A

E

G

C, D

B

O

K

F

L

F

Firebird Enviromax Condensing Range

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32

6.5 - FLUES REGULATIONS

BALANCED FLUE BOILERS

The Firebird boiler may be set for Room-sealed balanced flue operation using a Firebird condensing
balanced flue kit. This kit does not draw combustion air from inside the room. It is drawn from
outside direct to burner by airpipe supplied with boiler. Flue gases are expelled through the same
kit. However, if the boiler is installed in a compartment or small room, some ventilation air is
necessary to maintain acceptable temperature in boiler area.

Use of any equipment other then the matching Firebird low level roomsealed
concentric flue kit is not guaranteed for low level discharge and will probably

invalidate the warranty.

Balanced flue boiler in room (eg. kitchen) does not require individual ventilation.

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BALANCED - FLUE BOILERS IN COMPARTMENTS

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Firebird Enviromax Condensing Range

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6.5 - FLUES REGULATIONS

Ventilation and Combustion Air

Conventional Flue Boilers

An adequate supply of combustion and ventilation air is essential for efficient and safe boiler
operation and the openings for this should be positioned to cause least possible draught, with no

possibility of being accidentally blocked.

Please note:The British Standard Code of Practice for Oil Firing BS5410:Part 1, requires a permanent air
inlet opening of 550mm

2

per kW (above 5 kW) of boiler rated output. (Note: 1kW = 3412 Btu/h).

Also, when the boiler is installed in a compartment or confined space, ventilation openings are
required to ventilate and to avoid overheating in the boiler area.

Combustion & Ventilation air supply for conventional

open flue boilers

The figures shown are free areas of grilles in mm2 per kw of appliance rating (output).

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FULL TEXT of both BS 5410 Part 1: 1997 and appropriate Building

Regulations for each country should be obtained and fully applied

N.B. Please Carefully Note:

A. For boiler installations in domestic garages in Scotland, Part F of Building Regulations permits only

Room Sealed appliances to be used (Ref. OFTEC Bk. Three May 1999 page 1 (18).

B. Technical annex T1/127 to OFTEC Book Three, May 1999 page 2 (19) Para.1, 2 states “In Scotland and

the Republic of Ireland only Room Sealed Balanced Flue Appliances can be used in that location”
(i.e. domestic garages).

Definitions

Combustion Air : Air required directly by boiler oil burner for combustion process.
Ventilation Air : Air required in room for ventilation, cooling, etc. and to promote a healthy living

environment.

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CONDENSATE PLUME DISPERSAL

When choosing the location for a condensing boiler,
special consideration must be given to the positioning of
the flue terminal. Care should be taken to locate it so as to
prevent either the end user or their neighbours perceiving
the plume to be a nuisance.

It should be noted that the normal statutory clearances
required around low level flue terminals (ref. T45
T1/135)may not be sufficient to cope with plume dispersal
from a condensing boiler. The following points should be
considered: -

1. Plumes can extend out horizontally and can also drift
out to the sides and above the terminal. Care needs to
be taken, therefore, to avoid the plume reaching
adjacent surfaces, particularly windows and
neighbours dwellings.

2. Flue terminals need to be located where air can pass
freely across them to disperse vapours.

3. The effect of the moisture generated must be
considered in relation to the possible corrosion of
metal parts it might reach and to the possible
formation of ice on pathways in freezing conditions.

4. Keep flue terminals a minimum of 1 m (horizontally)
from openings in the building.

5. Do not install flue terminals directly below a window.

6. Do not install flue terminals next to a door.

7. Do not install flue terminals within 1 m of ventilated

soffits or eaves.

8. Keep flue terminals at least 1 m away from a surface or
boundary facing the terminal.

9. Follow the appliance manufactures instructions.

FLUE TERMINAL

Firebird Enviromax Condensing Range

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6.6 - FLUE SYSTEMS

CONVENTIONAL FLUE SYSTEMS

IMPORTANT

The Firebird condensing boiler must not be installed
with existing flue systems.A flue system suitable for wet
flues must be used. If a flue system which is unsuitable
is used it will invalidate the warranty.

Because of the high operating efficiencies of the
Firebird condensing boilers and low flue gas
temperatures, it is necessary to pay extra special
attention to the flues and chimneys.

Existing chimneys must be lined with a liner certified as
suitable for condensing oil boilers by flue manufacturer.

Twin wall insulation must be used for external
applications, with seals and stainless steel inner skin.

Only vitreous enamel or high grade stainless steel can
be used between boiler and chimney in an internal
installation, aluminium or asbestos type material must

not be used (Vitreous enamel must not be cut).

Condensate must be able to run back into the flue
chamber of the boiler and not escape, as up to 1.5 ltr. of
condensate can be produced in a conventional flue. No
trap is required in the flue system.

The terminal must be positioned to avoid combustion
products entering the building and as per Building
Regulations. Refer to BS5410:1 OFTEC installation

requirements books one and two.

Every individual concerned with any aspect of
installation should be deemed as competent,and be
aware of all current National and Local Government
Standards and Building & Installation Regulations.

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PLUME KIT.

Boiler.

For Right Hand Flue option.

Remove the two screws securing

the flue, rotate flue and swap the

removable side panels.

45˚ Terminal should be tilted

up to prevent condensate
droping from end of flue.

Boiler.

80 mm 45˚ Bend

Wall bracket

Extensions

X=250 / 500 / 1000 / 1250 [mm]

80 mm 90˚ Bend

CONDENSING BOILER CHIMNEY INSTALLATION

System 35 Flexible liner

Suitable for condensing

applications

System 35

Adaptor

45˚ Bend

500mm

Adjustable Length

45˚ Bend

500mm

Length

Boiler Adaptor

System 35

Clamp plate

Condensing

Birdguard

Condensing

Birdguard

System 35

Clamp plate

System 35 Flexible liner
Suitable for condensing

applications

System 35

Adaptor

500mm

Adjustable Length

Boiler Adaptor

Condensing

Boiler

Condensing

Boiler

Boiler

C26
C35
C44
C58
C73

Diameter

100mm
100mm
125mm
125mm
150mm

FLUE SIZE

NOTE:
All brick chimney constructions must comply with current building
regulations and BS 5410: Part 1. Insulated factory made chimneys
should comply with BS 4543.

Single wall stainless flue

suitable for condensing

boilers. Available in

stainless steel finish or

white finish

SYSTEMPAC FLUE

Firebird Enviromax Condensing Range

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6.6 - FLUE SYSTEMS - SYSTEMPAC

INSTALLATION INSTRUCTIONS SUPPLIED WITH ALL FLUE KITS

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Firebird Enviromax Condensing Range

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6.6 - FLUE SYSTEMS

INSTALLATION INSTRUCTIONS SUPPLIED WITH ALL FLUE KITS

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MULTI DIRECTIONAL BALANCED FLUE SYSTEMS

FIREBIRD ENVIROMAX BALANCED FLUE SYSTEMS

Vertical Balanced Flue Kit - Maximum flue length

6 metres C20 • 6 metres C26 • 6 metres C35

Overall length must take into account 45˚ bend = 500mm length

High Level Balanced Flue Kit - Maximum flue length 6 metres

90˚ bend equivalent to 1metre length

Low Level Balanced

Flue Kit. Max Lenght 3m.

Firebird Enviromax Condensing Range

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37

6.7 - OIL SUPPLY

OIL STORAGE TANK SITING

Consult OFTEC Manuals

It is very unlikely that a fire should start from a
domestic oil tank, however it does need to be protected
from a fire which may originate in a building nearby. For
this reason, the tank should be located at least 1.8
metres from any building and no closer than 760mm
from any boundary.If it must be closer than 1.8 metres,
the building wall should not have any openings other
than ventilation openings. In addition, the wall should
have at least 30 minutes fire resistance and extending
300mm higher and extends 300mm beyond both ends
of the tank is provided between the tank and the
terminating position and the wall should have a half
hour resistance to an internal fire and extend 1.8 metres
from any part of the tank.

A non-combustible radiation barrier is an
alternative but this must meet the requirements
of BS 5410 Part 1: 1997,“clause 28”Section 6.4.

Steel tanks must be mounted on brick or block
piers with a waterproof membrane between the
piers and tank.

See Oftec Technical Information T19

Oil storage tanks should not be sited
within 1.8m of boiler flue outlets.

Do not allow household waste or hot ashes
container in vicinity of oil storage tank or
boiler flue outlet.

FLEXIBLE OIL PIPE(S)

A flexible burner oil hose is supplied with the boiler
which must be wholly contained with in the appliance
case.

Please note: A filter must not be fitted inside the
boiler and all joints in the oil line MUST BE
OIL-TIGHT. Soldered joints are not permissible.
Before connecting to the boiler always flush the
complete oil supply line and ensure that oil supply is
completely clean and free of any dirt or foreign
matter.

SINGLE PIPE SYSTEM

Where installations have the bottom of the tank above
the oil burner,a single pipe system may be used.The oil
burner should then be set for single pipe operation -

S

ee also manufacturers oil burner manual

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BOILER

Shut Off

Fire Valve

Sensor

Burner

Valve

Filter

Max oil level 4 metres above burner where this height is unavoidably
exceeded a pressure reducing valve should be fitted to the supply line.

Oil

Gauge

Fire

Valve

Filter

Oil Tank

Drain

Off

Valve

Oil Supply Line

Filter May Be Positioned Outside

Isolation Valve

TWO PIPE SYSTEMS

Where installations have the bottom of the tank below
the oil burner pump a two pipe system is required.
Ensure that valves and filters are not fitted in the return
line as this must be unobstructed at all times.

The oil burner pump should be set for two pipe
operation as detailed in accompanying oil burner

-manual.

TIGERLOOP SINGLE PIPE SYSTEMS

IMPORTANT:

The Tigerloop should not be fitted inside the

dwelling - See TI/139 drawing below and OFTEC

manual book 3 page 2(8:1)

Where installations normally require a two pipe system
but have long or impractical return line runs, a
‘Tigerloop’ De-aerator can be used which removes air
from a single - pipe - lift oil feed. Higher lift heights can
be achieved than are possible with conventional two
pipe systems.

The oil burner pump should be set for

two pipe operation.

INDIVIDUAL TIGERLOOP INSTRUCTIONS

MUST BE IMPLICITLY FOLLOWED.

Firebird Enviromax Condensing Range

6

38

6.7 - OIL SUPPLY



REGULATIONS & STANDARDS

In England and Wales, installation in single family
dwellings have to comply with the building Regulations
Part J. This requires compliance with BS 5410 : Part 1 :

1997. All tanks either deemed to be at risk or with a
capacity of more than 2,500 litres will require to be
bunded.

For installation in Scotland, Building Standard Part F
applies. This requires compliance with BS 5410 : Parts 1
and 2. All tanks either deemed to be at risk or with a
capacity of more than 2,500 litres will require to be
bunded.

Those externally installed tanks with a capacity of less
than 2,500 litres will require a bund if located not more
than 50 metres from a spring or bore hole, 10 metres
from controlled waters and additionally where it may
constitute a hazard.

The above risks and hazards are described in OFTEC
Technical Information Note TI/133.

In Northern Ireland, the Building Regulations do not
currently cover the installation of oil storage tanks.

In the Republic of Ireland the requirements of BS 5410:
Parts 1 and 2 are required to be complied with be
Building Regulations Part J.

FIRE VALVES

A fire valve is an essential part of the oil supply system.
It should be capable of cutting off the flow of oil
outside the building in the event of a fire starting up
within the boiler. The valve should be located just
outside the building at the point where the oil supply
line enters. It must be activated by a remote sensor
located over the burner, but in a position clear of any
direct radiation or excessive heat.

IMPORTANT: Fire Valves should comply with

OFTEC S

tandar

ds OFS E101

Fitting of Fire Valves should
comply with BS : 5410 Part 1

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BOILER

Fire Sensor

Burner

Non Return Valve

Shut

Off

Val ve

Filter

Return Line
No Filters or Valves

Filter may be
positioned
outside

Fire

Val ve

Filter

Oil

Gauge

Saw Cut In Dip Pipe

Inside Tank To

Prevent Syphon

Oil Tank

Isolation Valve

Drain

Off

Valve

Boiler

Fire ValveSensor

Burner

SCHEMATIC DRAWING

SINGLE PIPE OIL SUPPLY WITH DE-AERATION DEVICE (eg. TIGERLOOP)
BOTTOM OF OIL TANK BELOW OR LEVEL WITH BURNER.

(ADAPTED FROM OFTEC DRAWING)

De-Aeration

Device

Optional

Protective

Housing

Filter

Shut Off Valve

Fire Valve

Oil Supply Line

Oil

Gauge

Oil Tank

Isolation Valve

Drain

Off

Valve

Firebird Enviromax Condensing Range

7

39

BURNER

Smoke

No

0-1

0-1

0-1

0-1

0-1

0-1

0-1

0-1

0-1

0-1

0-1

CO

2

11.5-12%

11.5%

11.5-12%

11.5%

11.5-12%

11.5-12%

11.5%

11.5%

11.5%

12%

12%

Avg.

Fg. ˚C

70

70

75

85

90

95

80

85

90

80

80

Air

Box

1

1

1

1

1

1

2

2

2

-

-

Comb

Head

-

-

-

-

-

-

-

-

-

5

6

Pump

Pressure

12 bar

10.5 bar

12 bar

11 bar

11 bar

14 bar

14 bar

13 bar

13 bar

12 bar

12 bar

Blast
Tube

T1

T3

T3

T3

T3

T5

T5

T5

T5

Adj.

Adj.

Air

Shutter

2.2

3.5

4.5

4

5

6

4

5

6

6

8.4

Output

kW. BTU

20 70,000

23 80,000

26 90,000

36 90,000

30.5 105,000

35 120,000

35 120,000

39.5 135,000

44 150,000

80 272,000

100 340,000

Nozzel

Size - Angle - Type

.5 80˚ S

.55 80˚ S

.55 80˚ S

.6 80˚ S

.65 80˚ S

.65 80˚ S

.65 80˚ S

.75 80˚ S

.85 80˚ S

1.75 80˚ S

2.00 80˚ S

THE SHADED IN LINE REPRESENT FACTORY SETTING.

RDB 2.2RDB 2.2RDB 2.2

Burner

RDB 4.2

C 26C 35C 44

Model

C 100

RDB T1 RDB T5RDB T3

Dia. 18mm

To p

Hole to aid

photocell

Clearance for

electrodes

4mm
holes

Dia. 20mm

To p

Hole to aid

photocell

light detection

Clearance for

electrodes

Dia. 23mm

To p

Hole to aid

photocell

light detection

Clearance for

electrodes

Air Box 1

Air Box 2

T1 Part No. 7137

T5 Part No. 7140

T3 Part No. 7139

Riello RDB 2.2 Range Burner Settings (D).

Variations in nozzle throughput, flue type & draught, oil viscosity etc. may give results differing from these

laboratory performance figures. These settings were carried out using a conventional flue.

DIESEL SETTINGS FOR FIREBIRD C BOILER RANGE USING RDB 2.2 & 4.2 BURNERS

The burner nozzle, pump pressure and air setting may have to be changed from the factory setting to suite sight conditions.

The above settings were carried out on a Firebird Condensing Boiler with 2 mitres of vertical balanced flue.The ambient air was

averaging around 20˚C. Allowances should also be allowed for the viscosity of the oil and the tolerance of the nozzles.

These settings are a guide and should only be used as such. A flue gas analyser must be used when fine tuning a burner to a boiler.

When using this chart on a burner fitted to a standard efficient boiler air setting may vary.

Steps in Commissioning a Burner in a Firebird Boiler.

1. Check Nozzle to required output.

2. Is the correct Burner Head fitted to the burner for the required output?

3. Set air damper from the guide above for the desired output.

4. Check the pump pressure.

5. Set Boiler thermostat to minimum and allow boiler to heat up before carrying out a Flue gas analysis.

6. Check Flue gasses with a smoke gun before taking using Flue gas analyser.

7. Proceed with Flue gas analysis, adjust air damper to get desired CO2%.

8. Print a record of analysis result.

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Firebird Enviromax Condensing Range

7

40

BURNER

D4138

Fig. 1

5

39

1

4

6

2

7

8

Burner Description

1 - Pump

2 - Control box

3 - RESET BUTTON WITH

LOCK-OUT LAMP

4 - Flange with insulating
gasket

5 - Air damper adjustment
screw

6 - Snorkel (BF)

7 - Pump pressure

adjustment screw

8 - Pressure gauge port

9 - Photoresistance

1.1 BURNER EQUIPMENT

Flange with insulating gasket . . . . . . . . N.º 1

Screw and nuts for flange . . . . . . . . . . . N.º 1

Hexagonal key . . . . . . .. . . . . . . . . . . . . N.º 1

Plastic air cover . . . . . . . . . . . . . . . . . . . N.º 1

Screws for flange to be fixed to boiler . . N.º 4

Flexible oil pipes with nipples . . . . . . .. . N.º 2

By-pass screw for 2 pipe system . . . . . .

N.º 1

One stage kerosene burner.

The intake air temperature must not be over 70 °C.
Burner with CE marking in conformity with EEC directives:
EMC 89/336/CEE and Efficiency 92/42/EEC.
CE Certification No.: 0036 0316/01 as 92/42/CEE.

ELECTRODE SETTING

Riello RDB 2.2

ATTENTION

Before assembling or removing the nozzle

loosen screw (A) and move electrodes forward.

RIELLO BURNER SPECIFICATION

For Full details on suction line systems please refer

to OFTEC Technical Information Sheet T1/139 (T32)

F i g . 4

D5912

2

3

4

7

6

5

18

H

meters

L meters

I. D.

8 mm

I. D.

10 mm

0.5
1

1.5
2

10
20
40
60

20
40
80

100

H

meters

L meters

I. D.

8 mm

I. D.

10 mm

0

0.5
1

1.5
2
3

3.5

35
30
25
20
15

8
6

100
100
100

90
70
30
20

F i g . 6

F i g . 7

H

max. 4 m

min. 0.1 m

F i g . 5

D

5741

D5740

max. 4 m

H

H

max. 4 m

H

H

D1842

WARNING

• SINGLE PIPE

The pump is designed to allow working with one pipe.

• TWO PIPE

In order to obtain two pipe working it is necessary to unscrew the

return plug (2), screw in the by-pass screw (3) and then screw in
return oil line (2). (See fig. 4).

In the two pipe systems, before starting the burner make sure that

the return pipe-line is not clogged. An excessive back pressure
would cause the damage of the pump seal.

HYDRAULIC SYSTEM

1 - Suction pipe
2 - Return line
3 - By-pass screw

(* is supplied loose in burner pack )

4 - Pressure gauge connection
& Bleed screw

5 - Pressure adjuster
6 - Vacuum gauge connection
7 - Valve
8 - Auxiliary pressure test point

H = difference of level L = Max. length of the suction line

I.D. = Interminal diameter of the oil pipes

PRIMING PUMP:
On the system in fig. 5 it is sufficien t to loosen the suction gauge

connection (6, fig. 4) and wait until oil flows out.
On the systems in fig. 6 an d 7 start the burner and wait for the pr im ing.
Should lock-out occur prior to the arrival of the fuel, await at least 20
seconds befor e r epeatin g t he o pe r ation. T he p um p suction should not
exceed a maximum of 0,4 bar (30 cm Hg). Beyon d this limit gas is released
from the oil. Oil pipes must be completely tight.
I

n the vacuum systems (fig. 7) the return lin e should terminate within the
oil tank at the same level as the suction line. In this case a n on -return valve
is not requir ed. Should however the return lin e arrive over the fuel level, a
n on -r eturn valve is requir ed. This solution however is less safe than
previous one, due to the possibility of leakage of the valve.

*

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Firebird Enviromax Condensing Range

7

41

BURNER - FAULT FINDING

ROS PRINTERS

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r

No

Replace

Oil Pump

Repair or

Troubleshooting Guide for Riello RDB Burner

Fault Finding Logic For Control Box Type 5352 SE/LD RDB Series Oil Burners

T

7

42

BURNER - SPARE PARTS

DIESEL - LI GHT O IL BURNERS

RDB2.2R FIREBIRD 70D COD. 3515105 TIPO/TYPE/TYP 744T1R
RDB2.2R FIREBIRD 90D COD. 3515305 TIPO/TYPE/TYP 744T3R
RDB2.2R FIREBIRD 120D

COD. 3515505 TIPO/TYPE/TYP 744T5R

RDB2.2R FIREBIRD 150D

COD. 3515506 TIPO/TYPE/TYP 744T5R

1 7875003

••••

TEKSAG

2 4836003

••••

EGNALF

3 7052003

•

DAEH DEPAHS - PUC

3 7442003

•

DAEH DEPAHS - PUC

3 3352003

••

DAEH DEPAHS - PUC

4 4978003

••••

DAEL EGATLOV HGIH

5 2556003

••••

TEKCARB EDORTCELE

6 5588003

••••

REDLOH ELZZON

7 5488003

••••

RALLOC

8 7342003

••••

YLBMESSA RETLAEH

9 8875003

••••

NAF

01 7468003

••

YLBMESSA REPMAD RIA

01 9388003

••

YLBMESSA REPMAD RIA

11 6468003

••••

LLEC .E.P

21 7562003

••••

TEKCOS ELOP 4

31 7382003

••••

Fµ 5,4 ROTICAPAC

41 8147003

••••

GULP NIP 4

51 2488003

••••

OC DNA EBUTROTCENN

61 5740203

••••

PMUP

NOITPIRCSED.DOC.N

3515105

3515305

3515505

3515506

81 6382003

••••

ROTICAPAC + ROTOM

91 8468003

••••

LIOC

02 6588003

••••

ROTCENNOC

12 9468003

••••

NOITCETORP

22 3157003

••••

YLBMESSA EDORTCELE

32 9788003

••••

REVOC

42 2568003

••••

XOB LORTNOC

52 1588003

••••

LIOC DAEL

62 2617003

••••

GNIR-O

72 3568003

••••

GNIR-O - RETLIF

82 2857003

••••

EVLAV ELDEEN

92 1568003

••••

ROTALUGER

03 8788003

••••

SLAES TIK

13 1267003

••••

ELBIXELF

23 2063003

••••

4/1 - 8/3 ROTCENNOC

33 8609003

••••

8/3 - 8/3 ROTCENNOC

43 6788003

••••

EGUAG ERUSSERP

NOITPIRCSED.DOC.N

3515105

3515305

3515505

3515506

71 3440003

••••

TNIOJ

Firebird Enviromax Condensing Range

7

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Firebird Enviromax Condensing Range

7

43

BURNER - SPARE PARTS

KEROSENE - LI GHT O IL BURNERS

N. COD. DESCRIPTION

1 3008637 • • • FLANGE
2 3006392 • • END RING AND DIFFUSER DISC
3 3006151 • • • BLAST TUBE ASSEMBLY
4 3008538 • • ELECTRODE ASSEMBLY
5 3006552 • • • ELECTRODE BRACKET
6 3008954 • • NOZZLE HOLDER
7 3008963 • • • KIT SEALS
8 3008956 • • HIGH VOLTAGE LEAD
9 3008839 • • • AIR DAMPER ASSEMBLY
10 3008958 • • • DEADENING
11 3008962 • • • COVER
12 3005799 • • • FAN
13 3008646 • • • P.E. CELL
14 3002657 • • • 4 POLE SOCKET
15 3008960 • • • CAPACITOR 5 µF
16 3003602 • • • CONNECTOR
17 3005720 • • • FLEXIBLE OIL LINE
18 3008964 • • • MOTOR
19 3008876 • • • PRESSURE GAUGE
20 3000443 • • • JOINT

3748965

3748860

3748861

N. COD. DESCRIPTION

21 3008648 • • • COIL + SHELL AND KNOB
22 3008957 • • • COLLAR
23 3008649 • • • PROTECTION
24 3008652 • • • CONTROL BOX 535SE/LD
25 3008851 • • • LEAD COIL
26 3008961 • • • TUBE
27 3020475 • • • PUMP
28 3008653 • • • FILTER - O-RING
29 3007582 • • • NEEDLE VALVE
30 3008651 • • • REGULATOR
31 3007418 • • • 4 PIN PLUG
32 3005714 • END RING
33 3005713 • DIFFUSER DISC
34 3007714 • BLAST TUBE ASSEMBLY
35 3007513 • ELECTRODE ASSEMBLY
36 3008794 • HIGH VOLTAGE LEAD
37 3008955 • NOZZLE HOLDER
38 3005795 • • • GASKET

3748965

3748860

3748861

RDB3 FIREBIRD 150K COD. 3748965 TYPE489 T50
RDB4 FIREBIRD 200K

COD. 3748965 TYPE488 T50

RDB4.2 FIREBIRD C58/200K

COD. 3748965 TYPE490 T61

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Firebird Enviromax Condensing Range

8

44

SERVICING

D) THE BURNER

Check performance of oil-nozzle and replace.

Ensure correct specification replacement
nozzle is used.

Check all oil filters and replace as necessary.

Remove burner and clean blast tube and ensure that
airways are clear.

Ensure electrodes are clean, dry, not broken and are set
as per burner specifications.

Clean fan and photocell.

Once again check flexible oil lines and connections
for damage or leaks, replace as necessary.
Replace flexible oil lines every 2 years.

Combustion Check

Carry out combustion analysis and ensure that boiler is
performing to specification outlined in manual. Flue
conditions may cause deviation from these figures.
Firebird recommend that the flue gas analyser is set to
light oils and that a smoke test is always carried out
before using the analyser

Always keep careful record of flue gas analysis
results including any verbal and written advice to
customer (householder). Always check carefully for
restricted or blocked flue. If possible record
CO levels and advise customer of need to keep
boiler room well ventilated. Always make sure that
ventilation is kept clear.

SERVICING RECORD - PAGE 46

NOTE: SERVICING MUST BE CARRIED OUT BY

A COMPETENTLY QUALIFIED ENGINEER
ANNUALLY.

A) Before carrying out a service it is

recommended that the following is checked:

1). Smoke

2). CO2

3). The flue gas temperature

4). Oil pressure

5). Ensure flue is unrestricted

& operating properly

At the same time check for oil and combustion leaks.
Advance to service ONLY after ensuring that both
electric and oil supply to boiler is safely isolated

B) THE OIL TANK

Draw off any accumulated water and sludge from the
tank by opening the drain cock. Turn off the oil supply
and remove the filter bowl, then wash the element
clean with kerosene.

C) THE BOILER

Remove combustion access door for access to baffles
and to clean heat exchanger.

Check insulation sealing and its silver foil lining in
combustion access door - replacing when necessary.
Check graphite seal and replace if necessary. When
refitting this door be careful not to damage the foil and
insulation by over tightening.

Check condensate trap is clean and free of combustion
debris and make sure that the condense drain is free
and not blocked.

Expansion Vessel pre-charge pressure should be
checked annually.

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Firebird Enviromax Condensing Range

8

45

SERVICING CHECK LIST

Service Checklist

NB All Information recorded hereunder should also be included in Engineers own filed service

reports. It is recommended that the boiler be serviced, at least once a year, and the
details recorded below. Combi Boilers may need more frequent service. Engineer should
advise householder.

Burner Model

Oil Type

Nozzle Type

Nozzle Size

Nozzle Angle

Pump Pressure

Air Setting

Smoke Reading

CO

2

%

F.G.T.˚C

Fire Valve Location

Condense Trap (where Fitted)

Is condense trap piped to drain

Is condense trap primed

Float and condense trap in place

CHECK

Flue seals OK

Flexible Oil Line

Baffle Quality

Deflector plate and baffles in position

Graphite door seal and door gasket fitted and in good order

CHECK

All Connections

D.M. Hot Water Operation

Combi Hot Water Operation

Central Heating Operation

Boiler Thermostat Operation

Date:

Service Engineer:

Tel. No:

Signature:

Comments:

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1STSERVICE 2NDSERVICE 3RDSERVICE 4THSERVICE

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Firebird Enviromax Condensing Range

9

46

COMMISSIONING

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Boiler

Passport

Golden

Rules

Failure to comply with the below requiremeents may invalidate all warranties

TO THE HOUSEHOLDER:

1) This appliance must be serviced annually in
accordance with the appliance manufacturer’s
instructions and the service records within this
document completed.

2) To ensure your cotinued Boiler Warranty, the
annual service must be carried out by an OFTEC
Registered Technician or an otherwise competent
person.

3) Use of non-competent persons may invalidate this
warranty. A list of OFTEC Registered Technicians is
available at www.oftec.org or alternatively
telephone OFTEC on 0845 658 5080 (UK)

or 01 864 5771 (RoI)

If there is any doubt as to the suitability of your

technician, please check with the manufacturer prior
to the work being carried out.

TO THE INSTALLER:

1) The installer is responsible for completing this
passport and returning the paperwork to the
manufacturer.

2) The appliance must be correctly commissioned in
accordance with the appliance manufacturer’s
instructions and registered with the manufacturer.

3) The Central Heating System must be cleansed with
a proprietary cleanser and treated with a
proprietary corrosion inhibitor, the concentration
of which must be checked at each annual service.

4) The incoming cold water mains supply to a combi
boiler must be fitted with a suitable and effective
hard water treatment.

5) A fuel filter with a filter rating of 70 microns or
better must be fitted to the fuel supply to the
appliance, in accordance with the burner

manufacturer’s recommendations.

Remember, the future warranty of the appliance is conditional upon correct installation, completion of the passport document and

returning the commissioning certificate to the appliance manufacturer – if you don’t do this the warranty could be invalid.

Boiler Passport must be returned within 28 days of installation to validate warranty (see T&C page 3)

Firebird Enviromax Condensing Range

9

47

COMMISSIONING

It is recommended that commissioning is carried out by
a competent and qualified service engineer.

It should be noted that it is the responsibility of the
installer to ensure that the boiler is properly
commissioned. Failure to do so may invalidate the
boiler guarantee and any extended warranty.

PROCEDURES

1. OIL TANK

The installation of the oil tank and supply line should
comply with all the instructions shown earlier in this
manual. Consult OFTEC Manual - Book No. 3, Section 2.

If a single supply line is used ensure that the bottom of
the tank is above the burner. A suction line system via a
de-aerator should be used where the level of the oil in
the tank may fall below the level of the oil burner pump.

CHECK AND ENSURE CORRECT GRADE FUEL OIL HAS
BEEN SUPPLIED.

2. THE BURNER

A two single pipe system may also be used in low-level
tank installations. See page 39. Please flush out oil pipe
by drawing off some oil before connecting fuel pipe to
burner - otherwise there is a danger of grit and dirt
being forced into the burner pump, resulting in pump
blockage, damage and ‘lock-out’

3. THE BOILER

A. Switch off the power supply, ensure that the

boiler and system is full of water, all valves are
open and that installation conforms with all
Standards, Regulations and Instructions.

B. Depending on condensate disposal system

check that the condensate trap is primed or
pump is operational.

C. Check that boiler baffles are correctly

positioned.

D. Check the oil supply by disconnecting the oil

supply hose at the burner and running off a
quantity to ensure it is free from air. Then bleed
air from burner pump. See page 46.

ATTENTION

It is the responsibility of

INST

ALLER / HOUSEHOLDER

to ensure that the boiler is

PROPERL

Y COMMISSIONED

and that the BOILER PASSPORT

is filled out by a competent or

OFTEC registered engineer and

returned to Firebird within

28 DAYS of installation

Failure to have the appliance

commissioned and warranty card

completed and returned will

invalidate the warranty.

It is not the responsibility of the

Manufacturer or the Supplier if a

boiler will not operate properly

due to non commissioning of the

appliance.

PLEASE NOTE:

Should a site inspection be

required from the manufacturers

engineer, a call-out fee

will be charged

if the fault

is a result of incomplete or

incorrect commissioning.

ALL OIL FIRED BOILERS

INSTALLERS

ROS PRINTERS

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Firebird Enviromax Condensing Range

9

48

COMMISSIONING

NOTES



E. If fitted, check that the time switch is ‘ON’ and

that both room and boiler thermostats are
calling for heat.

F. Reconnect electrical supply and the boiler

should start. If the burner lock-out activates,this
suggests air in the pump.Wait a minute or so and
try again. If lock-out occurs again, air must be
bled from the pump pressure gauge connection
point once more.

G. View the burner flame through the sight glass - it

should be bright cream/yellow without any sign
of smoke. Use a smoke gun to check that the
burner is burning clean.

H. Run the boiler for about fifteen minutes then

take a CO2 reading and adjust as necessary.

HANDING OVER

A thorough check of the system should be made,
then the householder should receive a clear and
concise demonstration of the boiler operation and
any system controls and OFTEC forms:- OFTEC CD10
and OFTEC CD11

This manual and burner manufacturers manual plus
any other instructions should be handed over to the
user, the guarantee card should be completed and
posted, and the user advised about the importance
of annual servicing.

COMMISSIONING RECORD

Should be completed and a copy

kept in engineers file.

ROS PRINTERS

TEL: [phone]

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For further information on Firebird Products please contact

© Copyright applies to all FIREBIRD products. Our policy is one of continual development and we therefore reserve

the right to change without prior notice the specification of our products at any time and be without obligation to

make similar changes in products previously produced.

New Zealand Distributor

Central Heating New Zealand Ltd

11 Parkhouse Road,

Sockburn,

Christchurch,

+ 64 3357 1233

www.centralheating.co.nz

ROS PRINTERS

TEL: [phone]

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