Johnson & Starley WARMCAIR C36U, WARMCAIR C36D, WARMCAIR C26U, WARMCAIR C26D, WARMCAIR C16D Installation, Commissioning & Servicing Instructions

INSTALLATION, COMMISSIONING
& SERVICING INSTRUCTIONS

WARMCAIR C36U

Condensing Air Heater

High Efciency Upow
Condensing Air Heater

WarmCair C36U - G.C. No. 42-451-27

These instructions are to be left with the User

Publication No. ZZ 1414-4

December 2016

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PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE

STARTING INSTALLATION. LEAVE THESE INSTRUCTION WITH

THE USER OR AT THE GAS METER AFTER INSTALLATION

The Benchmark Scheme

Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are

provided with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with

the manufacturer’s instructions by competent persons and that it meets the requirements of the appropriate Building

Regulations. The Benchmark Checklist can be used to demonstrate compliance with Building Regulations and should be

provided to the customer for future reference.

Installers are required to carry out installation, commissioning and servicing work in accordance with the Benchmark Code of

Practice which is available from the Heating and Hotwater Industry Council who manage and promote the Scheme.

Visit www.centralheating.co.uk for more information.

In the interest of continuous development Johnson and Starley reserve the right to change specification without prior notice.

Johnson and Starley prides itself on it’s ability to supply spare parts quickly and efficiently.

CONTENTS

The Benchmark Scheme 2

1 Features 3

2 General Description 3

3 Building Standards & Regulations 4

4 Safety &Gas Information 5

General Safety Information
Gas Categories
Gas Supply

5 Technical Data 5

6 Heater Positioning 6

7 Heater Compartment Clearances 6

8 Duct System 7

Return Air
Warm Air Delivered

9 Flue Instructions 8

Flue Configuration
Diagram of Terminal Position
Types of Flue Systems
Flue Terminal Positions
Plume Terminal Outlets
Flue Requirements & General Information
Conventional 80/125mm Flue Accessories Part No.s
Extended Horizontal Flue System
Optional Roof Outlets
Flat Roof & Pitched Roof

11 Condensate Pump & Drain Tube 13

Condensate Pump
Technical Data
Condensate Tube Routing Options

11 Gas 14

12 Electrical 14

Mains Supply
Thermista-stat & It’s Location

13 Fitting Instructions 15

14 Commissioning 15

System Balancing
Lighting the Main Burner
Gas Rate Check

15 Handing Over 17

16 Servicing & Maintenance 18

Servicing Schedule
Servicing Sequence
Component Servicing Checklist
Gaining Access for Servicing
Main Burner Assembly
Ignition & Flame Detection Electrode
Heat Exchanger/Combustion Chamber
Combustion Air Fan
Flue Collection Box & Heat Exchanger
Air Circulations Fan
Condensate Drain Pipes
Condensate Pump

17 Parts Replacements 22

Control Panel
Air Circulation Fan
Return Air Temperature Sensor
Flue Temperature Sensor
High Limit Temperature Sensor
Air Pressure Switch
Condensate Drain Pump
Main Ignition/Control PCB
Gas Valve & Venturi Assembly
Burner Assembly
Ignition Electrode
Flame Detection Electrode
Combustion Air Fan

18 Control Panel Modes 25

19 Fault Code & Blocking Code Table 26

20 Fault Finding Flowcharts 28

21 Defect Diagnosis for the Circulation Air Fan 29

22 Functional Wiring Diagrams 30

23 Dimensions 32

24 List of Spares 33

25 Important Information & Ancillaries 36

26 Code of Practice 37

27 Benchmark Checklist and Service Record 38

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1. FEATURES

Appliance Classification:

The WarmCair C36U has been tested

and CE certified by B.S.I Ltd for use with
NATURAL gas G20.

FEATURES

1. 60/100mm to 80/125mm Adapter

2. 60/100mm Flue Turret

3. Combustion Measuring Point

4. Time Control

5. Condensing Pump Drain Tube

6. Inspection Glass

7. Sliding Flue Connector

8. Flue Sensor

9. Condense Outlet

10. Condense Pipe

11. Condensate Trap

12. Air Pressure Switch

13. Condensate Pump

14. Return Air Filter

15. Air Circulation Fan
16 PCB Control Wiring Panel

17. Return Air Sensor

18. Flue Collector Box

19. Combustion Air fan Assembly

20. High Limit Temperature Sensor

21. Gas Cock

22. ESYS

23. Burner Assembly

24. Gas Valve

25. Ignition & Detection Electrodes

26. MMI Control Panel

27. Duct Temperature Sensor

(behind control panel)

2. GENERAL DESCRIPTION

2.1 The WarmCair C36U is a highly efficient condensing gas fired upflow forced convection air heater. Significant
reductions in Low Carbon and NOx emissions are achieved.

It has been designed to provide the user with on demand Warm Air Central Heating. Using sophisticated

controls enabling it to provide the precise amount of heat output to match demand. It is room sealed, with a
stainless steel heat exchanger, using a vertical or horizontal Concentric Flue System.

The WarmCair C36U air heater is ideally suited for new built dwellings and the replacement of existing non-

condensing air heaters.

2.2 The air heater output modulates 31.68kW (114.05MJ/h, 108,092 Btu/h) down to 9.68kW (34.85MJ/h,
33,028Btu/h) “Summer Air Circulation” of unheated air is available by manual selection (see the user’s
instructions).

FIGURE 1. C36U FEATURES

7

9

15

16

17

20

21

22

18

19

23

25

26

27

14

24

4

6

1

2

3

8

10

5

12

11

13

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GAS LEAKS

DO NOT OPERATE ANY ELECTRICAL SWITCHES, OR USE A

NAKED FLAME TURN OFF THE GAS SUPPLY. VENTILATE THE

AREA BY OPENING DOORS AND WINDOWS.

CALL THE NATIONAL GAS EMERGENCY SERVICE ON

0800 111999

3. BUILDING STANDARDS & REGULATIONS

STATUTE LAW DEFINES THAT ALL GAS APPLIANCES MUST BE INSTALLED BY

COMPETENT PERSONS, i.e. GAS SAFE REGISTERED INSTALLERS.

GAS SAFE MEMBERSHIP ENQUIRIES TEL: [phone] IN ACCORDANCE WITH
THE GAS SAFETY (INSTALLATION AND USE) REGULATIONS (CURRENT EDITION).

FAILURE TO COMPLY WITH THESE REGULATIONS MAY LEAD TO PROSECUTION.

3.1 INSTALLATION REGULATIONS

• Gas Safety (Installation and Use) Regulations (as amended)

• Model and Local Authority Byelaws

• Health & Safety Document No. 635.

• The Electricity at Work Regulations

• Institute of Electrical Engineers (I.E.E) Wiring Regulations

• British System Design Manual “Gas Fired Warm Air Heating”

• EN Regulations No. 1196 Supplementary Instructions - Condensing Air Heaters

3.2 BUILDING STANDARDS AND REGULATIONS

Where no specific instructions are given, reference should be made to the relevant British Standard Code of Practice.

Building Standards (Scotland) (Consolidation) Regulations

Building Regulation (Northern Ireland)

Building Regulations Part L

BS 6891 Installation of Low Pressure Gas Pipework of up to 28mm (R1) in domestic premises
(2nd family gases).

BS 5440:1 Flues (for gas appliances of rated input not exceeding 70 kW).

BS 5440:2 Ventilation (for gas appliances of rated input not exceeding 70 kW).

BS 5864 Installation of Gas Fired Ducted Air Heaters

IMPORTANT: This appliance is CE certificated for safety and performance. It is important that no modifications are

made to this appliance, unless fully approved in writing by Johnson & Starley Ltd. If in doubt please ring Johnson &
Starley Ltd on Telephone [phone].

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4. SAFETY & GAS INFORMATION

PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE COMMENCING WITH THE INSTALLATION

4.1 GENERAL SAFETY INFORMATION

4.1.1 Ensure the mains supply voltage, frequency, number of phases and power rating comply with
details on the rating label.

4.1.2 All wiring must be in accordance with the appropriate standards. The equipment must be supplied
with a double pole isolator switch.

4.1.3 Ensure safety regulations and practices are adhered to when installing and using this equipment.

4.1.4 The weight of this appliance exceeds that recommended for a one-man lift. It will therefore be
necessary to gain assistance at times during the installation procedure.

4.1.5 It should be noted that this appliance may contain sharp edges. Care MUST be taken when
handling the appliance to prevent injury.

4.1.6 Once the appliance has been fired beware that certain parts will be hot to the touch.

4.1.7 Do not install flues during rain, high winds or in severe weather conditions.

4.2 GAS INFORMATION

4.2.1 Gas Categories

a. The appliance is certified as a CAT I 2H (20) appliance.

4.2.2 Gas Supply

a. The gas installation must be completed in accordance with the relevant standards (BS 6891).
b. The supply must be capable of providing a steady inlet working pressure to the appliance of

20 mbar at a rate of 1.94m³/h or 52.64ft²/h (Calculated with a Gas C of 38.7MJ/m³)

c. The installation must be tested for gas tightness using suitable methods. The Pipework should

also be purged of air in accordance with the IG Publication Standard.

5. TECHNICAL DATA

TABLE 1. C36U TECHNICAL DATA

C36U

WEIGHT

96kg

GAS

G20

GAS SUPPLY PRESSURE

20mbar

GAS CATEGORY

I 2 H

COUNTRIES OF INSTALLATION

GB & IE

ELECTRICAL SUPPLY

250v ~ 50Hz fused 5A 530 watts

MAXIMUM MINIMUM

KW MJ/h Btu/h KW MJ/h Btu/h

INPUT (GROSS)

36 129.6 122,832 11 39.6 37,532

OUTPUT

31.86 114.05 108,092 9.68 34.85 33,028

GAS RATE CV 1037Btu/FT³

3.35m³/h (118.45ft³/h) 1.025m³/h (36.2ft³/h)

BURNER % CO²

9 ± 1 9 ± 1

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6. HEATER POSITIONING

6.1 This heater is not suitable for external installation unless it is protected from the elements by a suitable
enclosure. The enclosure must provide the clearance for installation, servicing and maintenance as well as
the correct level of ventilation. The selected position should allow for a suitable flue system to be installed.

6.2 When installed in a timber frame building guidance should be taken from the Gas Industry Publication IGE/
UP-7 (Guide for Gas Installations in Timber Frame Housing).

6.3 BS 6798 gives details of the essential features for a compartment or cupboard where a gas appliance is to
be installed. An existing cupboard may require modification.

6.4 If the heater is installed in a room containing a bath or shower it is important to locate the electrical switch
in a position where it cannot be touched by anyone using the bath or shower. The current IEE Wiring
Regulations (BS 7671) for England and electrical provision of the Building Regulations for Scotland gives
details.

6.5 Room ventilation for the heater is not necessary as the heater draws its combustion air from the outside of
the building, cupboard or compartment ventilation is not necessary providing that the minimum clearances
are maintained. However, reference should be made to BS 5440 Pt. 2.

IMPORTANT: This appliance must be completely level. It MUST NOT lean in any direction. Otherwise this

will cause problems with the condense draining.

7. HEATER COMPARTMENT CLEARANCES (see BS 5864)

7.1 IMPORTANT - If the heater is to be fitted to an existing base duct (warm air plenum), always ensure that
installation is carried out such that the rear of the heater is aligned with the rear of the base duct, so that any
overhang or blanking off will be at the front. In any event, blanking plates must be mechanically secured
and all joints sealed.

7.2 When the heater is fitted into a compartment, a minimum clearance from the compartment walls of 3mm
(

1

/8”) at the sides, rear and front must be left. Where clearances are less than 75mm, internal surface must
be lined with non-combustible material and the compartment must be of a fixed rigid structure. However,
there is no requirement for the use of non-combustible material at the front of the unit. Consideration
should also be given to the space required for the removal and replacement of the filter tray and the entry
of the gas and electrical supplies. If gas connections are made from a side entry, a minimum clearance of
75mm (3”) is required at that side.

7.3 For service access, a minimum of 450mm (18”) is required at the front of the heater. Space must also be
allowed, in a compartment installation, to permit the removal of the heater.

7.4 In airing cupboard installations, the part used as the air heater compartment must comply with the relevant
section of BS 5864 and must be completely separated by either a non-combustible partition or a perforated
metal partition with the perforations not exceeding 13mm (½”). The secondary flue must be a tight fit where
it passes through the partition and must be suitably protected (see BS 5440: Part 1).

7.5 In under-stairs installations, the compartment must comply with the relevant section of BS 5864, provided
that in addition all internal surfaces (including the base) are non-combustible or lined with non-combustible
material. This requirement is applicable only to dwellings of more than two storeys.

7.6 In free-standing installations, (Refer to instructions packed with top closure kit), only one or two walls will be
in close proximity to the air heater; these must be non-combustible.

7.7 Where the air heater is to be installed onto a combustible surface and under-floor ducting used, a suitable
base tray MUST be used in order to provide insulation.

NB where a base plenum is used no base tray is required!

7.8 Although two permanent ventilation openings are not required, consideration should be given to the amount
of heat emitted by any ductwork present in the compartment, otherwise the compartment temperature could
increase and will affect the safe operation of the appliance and its controls.

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8. DUCT SYSTEM

(See British Design Manual - Gas fired Warm Air Heating)

8.2 RETURN AIR

8.1.1 Room-sealed appliances may be installed without return air ducting, provided that the path
between the return air grille and the appliance return air inlet is protected in such a manner that
the required air-flow will be maintained at all times. The return air grille MUST have a free area of
not less than 3200cm

2

(469in2). It is recommended that the return air duct not be routed directly

from the main living area, but from a convenient central area serving the remainder of the dwelling.

8.1.2 The return air system should be constructed of fire-resistant material. The flue shall not be run
through an area serving as a return air plenum. It is extremely important that the correct size of
return air grilles and ducting is used. The return air duct area should not be less than 1600cm²
(248in²). If flexible duct is used the duct diameter should not be less than 450mm (18”) diameter.

8.1.3 An adequate and unobstructed return air path is essential from areas not served by a directly
ducted return and to which warm air is delivered. All such rooms should be fitted with relief grilles
which have a free area of 0.0088m

2

/kW (1in2/250Btu/h) of heat supplied to the room. The only

exceptions are kitchens, bathrooms and WC.’s.

8.1.4 The return air duct should allow for ease of removal, for access to the flue.

8.1.5 All duct work in the room or internal space in which the heater is installed shall be mechanically
secured and sealed with ducting tape.

8.1.6 This unit is also designed to use a side return air kit. For further details telephone Johnson & Starley
Ltd.

8.2 WARM DELIVERED AIR

8.2.1 All duct work, including riser ducts, should be fully insulated with 50mm (2”) fibre-glass or similar.
If short extended duct runs are taken below floor level these should be similarly insulated and in
addition wrapped with a sound vapour proof barrier. They must also be protected from crushing.

8.2.2 The duct system should be carefully designed (as given in the guidelines in the British System
Design Manual) to suit the needs of specific heating requirements and building layout. The type of
duct system (e.g. radial/extended plenum stepped) should be installed using the least number of
fittings to minimise airflow resistance. The base duct, which equalises the air pressure to supply
ducts, must be constructed to support the weight of the heater, which must be sealed using self­adhesive foam strip, ducting tape or sealing compound. All ducting and blanking plates must be
mechanically secured and sealed.

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VERTICAL FLUE

FIGURE 2.

EXTENDED HORIZONTAL REAR FLUE

FIGURE 3. VERTICAL FLUE

FIGURE 4. HORIZONTAL TERMINAL DIMENSIONS & POSITION

CORRECT
POSITION OF
HORIZONTAL
TERMINAL END

100mm

19mm

EXTENDED HORIZONTAL
REAR FLUE

Can be fitted to the left or the right.

Vertical Appliance Adaptor
Horizontal Terminal
90˚ Elbow
Required Extension Length

Vertical Appliance Adaptor
Required Extension Lengths
Vertical Terminal

EXTENDED HORIZONTAL
REAR FLUE

9. FLUE INSTRUCTIONS

9.1 The WarmCair C36U Condensing Air Heater is certified as a warm air heater with corresponding flue systems
according to EU Directive 2009/142/EC on gas-fired devices. These installation instructions are covered by
this certification and are referred to in the design approval test certificate.

9.2 The installation of the warm air heater and flue system must be in accordance with the Gas Safety (Installation
and Use) Regulations 1998 and the Building Regulations. If no specific instructions are given, reference
should be made to the relevant codes of practice.

THESE RELEVANT STANDARDS SHOULD BE FOLLOWED

BS 5440:1 Flues and ventilation for gas appliances of rated heating input not exceeding 70kW (net) : Flues

BS 5440:2 Flues and ventilation for gas appliances of rated heating input not exceeding 70kW (net) : Air Supply
Ensure all legislation, regulations and directives mentioned are observed.

9.3 The air/flue duct operates at very low temperatures therefore no clearance is
necessary between the air duct and the adjacent services.

9.4 Ensure while installation work is being carried out that no debris such as swarf,
filings or fragments of mortar are allowed to remain in the air/flue duct.

10.5 FLUE CONFIGURATIONS

NOTE: Vertical Appliance adaptor is fitted as part of the air heater.

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FIGURE 5. TERMINAL POSITIONS

TABLE 2. TERMINAL DIMENSIONS

TERMINAL POSITION MINIMUM DISTANCE

A Directly below an opening, air brick, opening window etc 300mm

B Above an opening, air brick, opening window, etc. 300mm

C Horizontally to an opening, air brick, opening window etc. 300mm

D Below gutters, soil pipes or drain pipes. 75mm

E Below eaves. 200mm

F Below balconies. 200mm

G From a vertical drain pipe or soil pipe. 150mm

H From an internal or external corner. Greater than 450mm protrusion. 300mm

I Above ground, roof or balcony level. 300mm

J From a surface facing the terminal. 600mm

K From a terminal facing the terminal. 1,200mm

M Vertically from a terminal on the same wall. 1,500mm

N Horizontally from a terminal on the same wall. 300mm

Q Above intersection with roof. 530mm

P From a vertical structure on the roof 300mm

R From the terminal to the boundary 300mm

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9.5 TYPE OF FLUE SYSTEMS

Two types of flue systems are available for the C36U.
i) The standard concentric flue system 80/125mm (125mm diameter)
ii) A Flexible flue kit (FFK) 80/125mm (125mm diameter) For further information contact the sales

office at Johnson & Starley Ltd. Telephone [phone]

9.6 FLUE TERMINAL POSITIONS

9.6.1 The following information provides the general requirements for siting flue terminals. As part of

the recommendation given in BS 1550 Part 1. For IE recommendations, see the current issue of
I.S. 813 “Domestic Gas Installations.” Also publication a “Guide for Gas Installations in Timber
Framed Housing DM2” or consult your local gas region, They MUST be consulted when installing
the appliance into a timber-framed building.

NOTE: Due to the nature of the warm air heater, water vapour will discharge from the flue. This should be

taken into account when siting the flue

9.6.2 Both the extended horizontal and vertical terminals must be positioned on the outside of the

building and the free passage of air must be available at all times. It is not recommended to
position the terminal close to projections especially under a balcony or near to a drainpipe. See
Figure 5.

9.6.3 Ensure that combustion products cannot enter the building where the heater is installed or near to

any other building where doors or windows may be open.

9.6.4 Recommended terminal positions for both extended horizontal and vertical flues are shown and

flue components and installation options are also detailed.

9.6.5 The flue MUST NOT be installed under a car port.

9.7 PLUME TERMINAL OUTLETS

9.7.1 A flue duct outlet of an appliance should be at least 600mm from the boundary line when facing it

and at least 300mm from the boundary line when running parallel to it. See Figure 6.

NOTE: When the flow of products is at an angle to the boundary, the 600mm dimension may be measured

in the direction of the flow, as long as the terminal is not less than 300mm from the boundary.

9.7.2 It is recommended the terminals are not sited within 2m of an opening in an adjacent building

or within 2m of the boundary facing the terminal if the plume is likely to cause a nuisance to a
neighbour, e.g discharging over a walkway or patio.

9.8 FLUE REQUIREMENTS & GENERAL INFORMATION

9.8.1 Extended horizontal and vertical concentric flues (80/125mm diameter) with balanced terminals may be

installed on the

WarmCair C36U warm air heater.

9.8.2 If an extended horizontal flue is being used it must have a continuous fall back towards the appliance of

3° (52mm) per meter. This ensures that condensate runs back into the appliance from the flue system for
safe discharge via the condensate waste pipe. Reference should be made to Table 3 for relevant part
numbers.

9.8.3 The maximum length of flue permissible is 10

meters including terminal

9.8.

4 The minimum vertical flue length is 1.25m from

the top of the appliance case to the top of the
terminal.

9.8.5 Longer flues may be fitted, however the input

of the appliance will be reduced accordingly.

9.8.6 Elbows may be fitted within the flue system

with a corresponding reduction in overall flue.

9.8..7 Guidelines for the maximum flue length are as

follows.

FIGURE 6. PLUME TERMINAL OUTLET DIMENSIONS

HORIZONTAL FLUE VERTICAL FLUE

UNIT

TURRET

90° ELBOW

STRAIGHT

1m FLUE

90° ELBOW

STRAIGHT

1m FLUE

1 - 12 - 12

1 1 8 1 8

1 2 6 2 6

1 3 4 3 4

When using 45° elbows: 2 x 45° elbow = 1 x 90° elbow

TABLE 3

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TABLE 4. 80/125mm FLUE COMPONENTS

9.9 CONVENTIONAL 80/125mm FLUE ACCESSORY PARTS No’s

DESCRIPTION COLOUR QTY APPLICATION PART No.

1

800mm Horizontal Terminal White 1 Horizontal 1000-0023830

2

Vertical Adaptor 60mm to 80mm White 1 Vertical 1000-0023810

3

45° Elbow White 1 Horizontal & Vertical 1000-0020110

4

90° Elbow White 1 Horizontal & Vertical 1000-0020100

5

500mm Straight Extension White 1 Horizontal & Vertical 1000-0025590

6

1000mm Straight Extension White 1 Horizontal & Vertical 1000-0023840

7

2000mm Straight Extension White 1 Horizontal & Vertical 1000-0025600

8

Flat Roof Weather Collar 1 Vertical 1000-0014890

9

Pitched Roof Collar Black 1 Vertical 1000-0014900

10

Wall Fixing Bracket 125mm 1 Horizontal & Vertical 1000-0016620

11

1140mm Vertical Terminal

White/Black

1 Vertical 1000-0023820

12

Plume Management Kit

Black 1 Horizontal & Vertical 1000-0020730

13

1000mm Extension Flue 80mm Black 1 Horizontal & Vertical 1000-0020740

14

90° Elbow 80mm Ø Black 1 Horizontal & Vertical 1000-0020680

15

45° Elbow 80mm Ø Black 2 Horizontal & Vertical 1000-0020670

16

Wall Fixing Bracket 80mm Black 1 Horizontal & Vertical 1000-0020090

17

Flexible Flue Kit 80/125mm

5m

Black 1 Flexible

FFK5

10m FFK10

18

Flexible Black Outer Pipe

5m

Black 1 Flexible

1000-0026030

10m 1000-0025930

19

Flexible Grey Inner Pipe

5m

Grey 1 Flexible

1000-0026040

10m 1000-0025940

20

Outer/Inner Rigid to Flex Adapter Grey 1 Flexible 1000-0025950

21

Outer Flex to Rigid Connector Grey 1 Flexible 1000-0025970

22

Flex to Rigid Transition Connector White 1 Flexible 1000-00225960

23

Transition Sealing Ring 1 Flexible 1000-0026010

24

Inner Flex to Rigid Connector Grey 2 Flexible 1000-0025980

25

Outer Flue Pipe Sealing Rings 2 Flexible 1000-0025990

26

Inner Flue Pipe Sealing Rings 1 Flexible 1000-0026000

27

Flue Support Kit 1 Flexible 1000-0026020

28

Draw Cone & Rope 1 Flexible 1000-0026050

29

Chimney Terminal Kit 80/125mm

Black 1 Vertical CTK-80/125

30

Slimline Terminal Black 1 Vertical 1000-0026650

31

Flue Terminal Connector Grey 1 Vertical 1000-0026670

32

Chimney Cover Plate Grey 1 Vertical 1000-0026640

33

Circlip 1 Vertical 1000-0026680

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FIGURE 7. EXTENDED HORIZONTAL FLUE

FIGURE 8. OPTIONAL ROOF OUTLETS

FIGURE 9. OPTIONAL ROOF OUTLETS

9.12 EXTENDED HORIZONTAL FLUE SYSTEM

Extended horizontal flue set up comprises of:

The required flue lengths up to a length of 10m
80/125mm Horizontal Terminal Kit
90° Elbow
60/100mm to 80/125mm Adapter
Inside Wall Cover Plate
Outside Wall Cover Plate
125mm Diameter Clamp (1 per flue length)

OPTIONAL ROOF OUTLETS AVAILABLE

9.10 FLAT ROOF OPTION

The Flat Roof Collar.

9.11 PITCHED ROOF OPTION

A Pitched Roof Collar can be fitted on a pitched roof

with an angle of between 20° to 50° pitch.

HORIZONTAL

TERMINAL

VERTICAL

TURRET

ADAPTER

EXTENSION
LENGTH

CLAMP

CLAMP

90° ELBOW

500mm

PITCHED ROOF

WEATHER

COLLAR

500mm

FLAT ROOF

WEATHER

COLLAR

20˚

to 50˚

1140mm

1140mm

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FIGURE 10. CONDENSE PUMP

10. CONDENSATE PUMP & DRAIN TUBE

10.1 CONDENSATE PUMP

10.1.1 Supplied with 6mm x 10m condense tube. Condense adapter and 2 x clips

SAFETY NOTE: If the pump fails, the safety float switch will shut off the heater operation.

10.1.2 DO NOT HANDLE PUMP IN WET CONDITIONS OR WITH WET HANDS.

10.1.3 To reduce the risk of electric shock, ensure the electrical supply is permanently wired to earth

10.1.4 TECHNICAL DATA

a) Tank capacity : 0.7L

b) High level safety cut out.

c) Outlet size 6mm I.D.

d) Maximum water temperature: 60°

10.1.5 Where the tubing from the pump is connected directly to the soil

stack or waste pipe, there must always be either a waste trap after
the tubing connections, or a 75mm U trap formed within the tubing.

10.1.6 Where the tubing from the pump is connected to an external soil and

vent stack extra care is necessary to ensure that the condense pipe
could not be blocked through the condense freezing.

10.1.7 The tank pump uses small bore (6mm) flexible hose which can be

routed above or below doors, windows and under kitchen cabinets.

NOTE:

7m MAXIMUM

HEAD LENGTH OF

CONDENSE TUBE

10.2 CONDENSE TUBE ROUTING OPTIONS

Option A. Routing to outside drain via sink
Option B. Routing to drain pipe via roof
Option C. Routing to bath waste
Option D. Routing under floor to sink waste

FIGURE 11. CONDENSATE ROUTING OPTIONS

B

C

D

A

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11. GAS (See BS 5864 and BS 6891)

11.1 The local gas supply conditions MUST be adequate for the specified burner pressures as stated in the
technical specification (section 5).

11.2 An independent gas supply pipe from the meter is to be preferred wherever possible. Where this is not
possible, the pipe must be capable of taking the complete input of the heater and all other gas appliances
being served by the same pipe. This supply should be suitably sized to conform to British Standards
requirements of no more than 1.0 mbar (0.4” wg) pressure drop (See table of discharge in BS 6891).

11.3 The ¾” union gas cock (supplied) MUST be fitted to the gas inlet of the heater for easy isolation during
servicing. The gas pipe should be fitted and installed so as to be durable, substantial and gas tight. To
assist in determining where a gas connection may not be tight, a leak detection fluid should be applied
around the connection. Under no circumstances should a flame be used to locate a gas leak. Gas entry to
the air heater is through either side or the base, to a 22mm compression fitting.

12. ELECTRICAL

WARNING: THIS APPLIANCE MUST BE EARTHED!

12.1 MAINS SUPPLY

The heater is supplied with mains cable (PVC sheathed, heat resisting to

85˚C), 3 core: Brown; Blue; Green/Yellow, 6A, 0.75mm²), connected to

a PCB control panel and exiting through the heater at the left hand top.
The cable is suitable for a 230V 50Hz supply and requires connection to
the fixed wiring using a double pole switched, fused spur with a contact
separation of at least 3mm in ALL poles. The fuse fitted must be rated
5A to BS 1362. Connections must also be in accordance with the current
edition of I.E.E Regulation BS 7671.

NOTE: If, for any reason, the heater is re-wired, then 3 core cable that meets the

above specification MUST be used. Under NO circumstances, should 5
core cable be used for the combined purpose of supplying power to the
heater and connecting the thermista-stat!

a. Fan delay and overheat (limit controls) are not adjustable and are

factory set.

b. An Open Therm Controller is supplied which acts like a room

thermostat.

12.2 THERMISTA-STAT & ITS LOCATION

This appliance can be interfaced with the following:-

1) Open therm room units (supplied).

2) 33k NTC room temperature sensor.

3) 230 VAC room thermostats.

12.2.1 The room-stat should be located where there is free air circulation and positioned approx. 1.5m

(5ft) from the floor.

12.2.2 Avoid the following locations:

a. In a room where temperature is greatly affected by the sun or any other heat source, e.g.

radiant fire, wall light fittings or TV set.

b. Near an outside door or windows, or on an outside wall.

c. Where it will be affected by warm air ducts, diffusers, waste pipes or the heater itself.

d. Where it will be subjected to vibration.

12.2.3 Refer to wiring diagram 1 for the installation of the thermista-stat. See Figure 31.

FIGURE 12. CABLE POSITIONING

CONDENSATE DRAIN

TUBE

MAINS SUPPLY

OPEN THERM CABLE

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10

FIGURE 13. CONTROL PANEL

FIGURE 14. LED READ OUT

CONTROL PANEL

1

Time control

2

A +

3

B -

4

LED Display

5

E +

6

D -

7

Summer Air Circulation

8

C

9

Reset

LED READ OUT

1

Open therm symbol

2

Installer mode indicator

3

Service indicator

4

Stand by

5

Degrees

6

Error - ‘e’ or celsius - ‘c’

7

Reset button indicator

8

Flame indicator

9

Button ‘c’ indication

10

Summer circulation

11

Central heating

11

1

2

3 4

7

6

89

5

1 2 3 4 5 6

7

9

8

13. FITTING INSTRUCTIONS

CAUTION: This appliance exceeds the recommended weight for a one man lift as detailed in the Manual Handling
Operations, 1992 Regulations.

It should be noted that this appliance could contain sharp edges and care MUST be taken when handling.

13.1 FITTING THE APPLIANCE

13.1.1 Making sure the plenum is clear from all debris, lift the appliance into place.

13.1.2 Using a spirit level it is important the appliance is completely level, this appliance MUST NOT lean

or tilt in any direction. This will cause problems with the condense draining.

13.1.3 Seal the unit to the plenum, using ducting tape (not supplied). Ensure a good seal is made.

13.1.4 Installation of the condense tube is a maximum of 10 meters. There should be no trapped kinks in

this length of tube.

13.1.5 Fix all connections to the appliance ready for commissioning.

14. COMMISSIONING

14.1 After installation of the appliance, you MUST do the following:

14.1.1 Test for gas leakage using proprietary detection fluid and seal any leaks found.

14.1.2 Carry out preliminary electrical system checks.

14.1.3 Ensure that:

a. the filter, fan and fan compartments are free from obstructions.
b. all registers or grilles are open and conform to design specifications.
c. the return, relief and ventilation air installations are adequate.

14.2 Switch the air heater electrical Supply ON.

14.3. To fill the flue condensate trap, disconnect the sliding flue connector and slowly pour tap water into the el­bow until you hear the condensate pump operating. Failure to do this will result in a whistling sound. Check
for leaks.

NOTE: The appliance must be connected to the mains for the pump to operate.

14.4 SYSTEM BALANCING

14.4.1 Press button ‘7’ to put the appliance into Summer Air Circulation mode.

14.4.2 Balance the system to provide the required volume proportions at the warm air outlets.

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NOTE: If the system includes ceiling diffusers, the air through these should be NOT LESS THAN 1.5m/s (300ft/

min), except for very small rooms, (i.e. bathrooms etc.). Outlet faces may require partial blanking in order to
achieve this.

14.5 LIGHTING MAIN BURNER

14.5.1 Turn on the gas supply to the heater.

14.5.2 Set both switches on the time control unit to the “OFF” position.

14.5.3 Set the thermista-stat to “MAX”.

14.5.4 Turn on the mains power supply to the heater.

14.5.5 Set the “AIR HEATER” switch on the time control to “ON” and observe the ESYS status indicator.

14.5.6 The ESYS on the control panel will run through the ID setting, when finished it shows a flashing “--”

sign. This shows its ready.

14.5.7 The ignitor will spark for 5 seconds during which time the main burners SHOULD ignite and the

igniter will stop.

14.5.8 If, after the 5 second period, the main burner has ignited the ESYS will show “ON” and the blue LED

“ON” light on the indicator panel will remain steady.

14.5.9 If the main burner fails to ignite, 4 more attempts at ignition will occur.

14.5.10 In the event of a lockout “1” (ignition and main burners failing to ignite), reference should be made

to Table 4 in the fault finding section of these instructions in order to establish the fault condition.

14.5.11 Allow the air heater to operate for a minimum of 15 minutes to ensure stability.

14.5.12 Reset the thermista-stat to the desired comfort level.

14.5.13 Set the time control to the desired “on and “off” periods.

14.4 GAS RATE CHECK

14.4.1 There is no burner pressure test with this air heater. It has a 1-1 ratio

Valve.

14.4.2 Natural Gas (G20) consumption is calculated using gross CV 38.7

MJ/m³ or 34.9 MJ/m³ net. Maximum rate 118.45ft³/h (3.35m³/h) and
minimum rate 36.2ft³/h (1.025m³/h).

14.5 Complete all relevant sections of the Benchmark Commissioning Checklist
located on the inside back pages.

FIGURE 15. C36U FAN PERFORMANCE GRAPH

Resistance External to Heater

Fan Performance

PASCALS

175

150

125

100

75

50

25

0

1000 1200 1400 1600 1800 2000 2100 2400 2600 2800m³/h

FAN MODULATION RANGE

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

IN Wg

NOTE

The gas valve is factory
preset and must not be

adjusted. A replacement

valve must only be supplied

by Johnson & Starley Ltd.

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15. HANDING OVER

15.1 After commissioning, the installer should hand the appliance over to the occupier of the house by the
following procedure:

15.2 Hand the User Instructions ZZ1340 to the occupier and explain their responsibilities in respect of current
legislation and regulations, both national and local.

15.3 Explain and demonstrate how to light and shut down the appliance.

15.4 In order to gain the best possible fuel economy in relation to the heating requirements of the household,
carefully explain the operation of the appliance and the use/adjustment of all the system controls.

15.5 Advise on the precautions required to prevent damage to the appliance; the system and the building in the
event of the appliance being shut down in very cold weather.

15.6 Explain how, in the event of a fault, the appliance will display a fault code, emphasising that if a fault is
indicated they should note the fault code, turn off the appliance and contact a “competent person” which in
normal circumstances would be a GAS SAFE registered engineer.

15.7 Explain and demonstrate the function/operation of time/temperature controls, emphasising the economic
use of the appliance.

15.8 A comprehensive service should be carried out ANNUALLY. Stress the importance of regular servicing by a
Gas Safe Registered Engineer. In IE servicing work must be carried out by a Registered Gas Installer (RGI).

NOTE

This appliance is not intended for use by persons (including children) with reduced physical, sensory

or mental capabilities, or lack of experience and knowledge, unless they have been given supervision

or instruction concerning use of the appliance by a person responsible for their safety.

Children should be supervised to ensure that they do not play with the appliance.

REMINDER: At the time of commissioning, complete all

relevant sections of the Benchmark Checklist located on the

inside back pages of this document prior to handing over the

appliance to the occupier.

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COMPONENT SERVICING CHECKLIST

16.2.6 Clean and check the main burner and electrodes.
See paragraph 16.4.

16.2.7 Visually check combustion chamber, removing
any debris. See section 16.8.

16.2.8 Remove the Combustion Air Fan (CAF) and clean.
See section 16.8.

16.2.9 Check the condensate pipes and tubes for
blockages.

16.2.10 Checkthat theue terminalisunobstructed and
thattheuesystemisfullyassembledcorrectly.

16.2.11 Removethe Air Circulation Fan (ACF) and lter,

inspect and clean. See paragraph 16.7.

16.2.12 After completing the servicing or exchange of
components, always test for gas tightness and
carry out functional checks as described above.

16.2.13 When work is complete, check the condition of the
sealing foam in the inside of the front door panel.
When the door is refitting you must make ensure a
good seal is made.

16.2.14 After servicing, complete the relevant Service
Interval Record section of the Benchmark
Checklist located on the inside back pages of this
document.

FIGURE 16.

GAS FLUE TEST POINT

FIGURE 17. SERVICING SEQUENCE

1

2

3

16. SERVICING & MAINTENANCE

16.1 SERVICING SCHEDULE

To ensure that the appliance gives continued operation that is both safe and efficient, it is necessary to carry

out regular service checks and whilst the period between servicing will depend on the installation condition
and the demands placed upon the appliance, it is recommended that the appliance be serviced annually.

IMPORTANT: It is a statutory requirement that ALL work be carried out by a “competent person” which in normal
circumstances would be a GAS SAFE registered engineer.

NOTE: In order to carry out either servicing or replacement of components the heater

front door must be removed.

16.2 SERVICING SEQUENCE

16.2.1 Light the heater and carry out a pre-service check, noting any
operational faults.

16.2.2 Check the gas consumption.

16.2.3 Put the appliance in test mode. Refer to paragraph 18.1. Connect a

suitableuegasanalysertothesamplingpointonthetopoftheair
heaterorinto the ueterminal if accessispossible (optionaltest).

See Figure 16.

16.2.4 For correct air heater operation, the CO to CO² ratio should be
checked at the maximum and minimum in test mode.

16.2.5 Check that the gas input is at least 90% of the nominal.

WARNING. Always turn OFF the gas supply at the gas service cock and switch

OFF. Disconnect the electricity supply to the appliance before servicing.

2

1

3

FLUE GAS

TEST

POINT

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16.3 GAINING ACCESS FOR SERVICING

16.3.1 Ensure the electrical & gas supply is isolated as needed.

16.3.2 Remove the return air filter.

16.3.3 Remove the front panel by unscrewing the 4 retaining screws at top and bottom of the panel.

16.3.4 Remove the front cover.

16.4 MAIN BURNER ASSEMBLY

16.4.1 Refer to section 16.3. See Figure 18.

16.4.2 Disconnect the gas pipe at the top of the isolation valve.

16.4.3 Disconnect the electrode, igniter and earth leads from the ESYS, then remove the screw and panel
on the ESYS and remove. Disconnect the electrical connections.

16.4.4 Remove the two screws from the valve/venturi assembly and withdraw.

16.4.5 Remove the 4 nuts and washers securing the burner assembly to the heat exchanger and withdraw
the assembly, take care not to damage the internal ceramic pad.

16.4.6 Inspect the inside of the burner assembly for debris. Clean with a soft brush if necessary.

16.4.7 Inspect the gaskets and replace if necessary.

16.4.8 Inspect and clean the spark ignition and flame sensing electrode, removing any debris and
oxidization. Check the spark gap and position of the spark electrode and the positioning of the
flame sensing electrode.

16.4.9 Once reassembled re-check electrode and igniter nuts are tight.

16.4.10 Refit in reverse order ensuring a good seal is made.

16.5 IGNITION & FLAME DETECTION ELECTRODE

16.5.1 Refer to section 16.3 and Figure 19.

16.5.2 Follow 16.4.4 to remove the valve and venturi.

16.5.3 Unscrew the two nuts that retain the electrode to
the cover plate and remove the assembly.

16.5.4 Inspect and clean the electrode, removing any
debris and oxidization. If necessary use an
abrasive paper or cloth.

16.5.5 Inspect the gasket and replace if necessary during
re-assembly.

16.5.6 Repeat sequence for the flame detection electrodes
with the exception of the earth lead.

16.5.7 Refit in reverse order and tighten nuts.

FIGURE 19. ELECTRODE GAPS

FIGURE 18. MAIN BURNER ASSEMBLY REMOVAL

ESYS

PANEL

SCREW

FLAME DETECTION ELECTRODE

IGNITION ELECTRODE

GAS

VALVE

VENTURI

ESYS

BURNER

ASSEMBLY NUTS

BURNER ARM

COMBUSTION

CHAMBER

ELECTRODE

NUTS

GAS PIPE

ELECTRICAL

CONNECTION

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FIGURE 22.

FILTER & AIR CIRCULATION FAN

FIGURE 21.

COMBUSTION AIR PASSAGE REMOVAL

16.6 HEAT EXCHANGER/COMBUSTION CHAMBER

16.6.1 Refer to section 16.3, 16.4 and Figure 18.

16.6.2 Once the burner assembly has been removed inspect the inside of the combustion chamber for
debris. If the inner insulation is damaged, do NOT try to clean. Replace the heat exchanger.

16.6.3 Refit in reverse order.

16.7 COMBUSTION AIR FAN (CAF)

16.7.1 Refer to section 16.3 &
Figure 20.

16.7.2 To release the sliding flue
connection, slide upwards.

16.7.3 Unplug the multi pin plug
connections from the fan
and remove the connector
from the flue sensor.

16.7.4 Carefully remove the
condensate pipe from the
bottom of the flue elbow.
This will contain water.

16.7.5 Rotate the CAF and elbow
assembly 45˚ clockwise
and withdraw complete
assembly.

16.7.6 Carefully inspect both the
impellor.

16.7.8 Refit in reverse order.

16.8 FLUE COLLECTION BOX & HEAT EXCHANGER

16.8.1 Refer to section 16.3, 16.7 & Figure 21.

16.8.2 Unscrew the collection box from the heat
exchanger.

16.8.3 Check for blockages. Carefully clean with a soft
brush. Do not damage the heat exchanger fins.

NOTE:

Pre 2016 models inspect the mesh in the collection
box for debris. If the mesh is full replace with new.

16.9 AIR CIRCULATING FAN (ACF)

16.9.1 Refer to section 16.3.

16.9.2 Unplug sensor wires and tubes from the air
pressure switch, main power connector and low
voltage flying leads.

16.9.3 Release the fan assembly securing screws, slide
the fan assembly forwards on the runners and
drop down, remove from the heater cabinet. Avoid
damaging the fan blades. See Figure 22.

16.9.4

Remove all dust from both the impellor and motor,
taking care not to disturb the balance of the fan.

16.9.5 Refit in reverse order.

RETURN

AIR

SENSOR

SLIDING FLUE

PIPE

COMBUSTION

AIR FAN

FLUE SEAL

FLUE SENSOR

45°

CONDENSE PIPE

OUTLET

CONDENSATE PIPE

MULTI PIN

ELECTRICAL

CONNECTIONS

FIGURE 20. COMBUSTION AIR FAN REMOVAL

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FIGURE 23. CONDENSE PIPEWORK LAYOUT

FIGURE 24. CONDENSE PUMP REMOVAL

16.10 CONDENSATE DRAIN PIPES

16.10.1 Refer to section 16.3. See Figure 23.

16.10.2 Be careful when disconnecting the drain pipes, they will contain water. Drain as necessary.

16.10.3 The flexible condensate pipes are push fit. Disconnect the pipes from the condense pump and
combustion tray.

16.10.4 Reconnect the condense drain pipe to the condense pump.

16.10.5 Disconnect the flue elbow outlet and pour water into the condense drain pipe and check for leaks.
Re-connected the pipe to the flue outlet.

16.10.6 Refit in reverse order.

16.11 CONDENSE PUMP

16.11.1 Refer to section 16.3.

16.11.2 Remove the filter which is located behind the condensate
inlet pipe.

16.11.3 Clean the filter rinsing it with clear water and remove
any debris.

16.11.4 Re-fit in reverse order.

CONDENSATE

PIPE TO

OUTSIDE DRAIN

CONDENSE DRAIN

TUBE MUST HAVE A

6mm FALL

FLUE CONDENSE

PIPE OUTLET

FROM

COMBUSTION

AIR FAN

CONDENSE PIPE

OUTLET FROM

COMBUSTION TRAY

TO PUMP

CONDENSATE

PIPE FROM

COMBUSTION TRAY

TO CONDENSATE

PUMP

CONDENSATE

PUMP

CONDENSATE

TRAP

CONDENSING

DRAIN PIPE FROM

COMBUSTION

AIR FAN TO

CONDENSATE TRAP

FLUE

COLLECTION

TRAY

FILTER

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FIGURE 26.

SENSORS & AIR PRESSURE SWITCH

17. REPLACEMENT PARTS

17.1 IMPORTANT: Before commencing with any part replacement the appliance should be isolated from the
electrical supply and the gas service cock on the appliance closed.

17.1.1 All parts removed should be replaced and refitted in reverse

order, ensuring correct seals are made and wires are connected
correctly.

17.1.2 Remove any debris from within the appliance.

17.1.3 When gas-carrying components are replaced the appliance must

be tested for gas tightness.

17.2 CONTROL PANEL

17.2.1 Refer to section 16.3.

17.2.2 Because of the complexity and delicate nature of the control panel

assembly, it is supplied as a complete kit in a plastic housing.

17.2.3 Remove the control panel by unscrewing the 2 screws that hold

the module in place, withdraw and unplug the flying leads at the
rear and remove the assembly.

17.2.4 Fit new and re-fit in reverse order.

17.3 AIR CIRCULATION FAN ASSEMBLY (ACF)

17.3.1 Refer to section 16.3.

17.3.2 Unplug sensor wires and tubes from the air pressure

switch, main power connector and low voltage flying
leads.

17.3.3 Release the fan assembly securing screws, slide the

fan assembly forwards on the runners and drop down,
remove from

the heater cabinet. Avoid damaging the fan

blades. See Figure 19.

17.3.4 Fit the new fan assembly and re-fit in reverser order.

17.4 RETURN AIR TEMPERATURE SENSOR

17.4.1 Refer to section 16.3.

17.4.2 Remove the air circulation fan assembly as described in

section 17.3. See Figure 19.

17.4.3 Unscrew securing nut and remove sensor.

17.4.4 Fit new and re-fit in reverse order.

17.5 FLUE TEMPERATURE SENSOR

17.5.1 Refer to section 16.3.

17.5.2 Carefully remove the 2 spade connectors from the sensor

and unscrew the sensor from the plastic flue elbow.

17.5.3 Fit new and re-fit in reverse order.

17.6 HIGH LIMIT TEMPERATURE SENSOR

17.6.1 Refer to section 16.3.

17.6.2 Unplug the 2 wires from the temperature sensor and

remove the 2 retaining screws.

17.6.3 Fit the new high limit temperature sensor and re-fit in

reverse order.

17.7 AIR PRESSURE SWITCH

17.7.1 Refer to section 16.3.

17.7.2 Disconnect the electrical wire

connections and disconnect
the two air pressure tubes.

17.7.3 Remove the 2 screws holding

it to the electrical panel
assembly. Unclip the air
pressure switch.

17.7.4 Replace and fit new. Re-fit in reverse order.

NOTE: Make sure the air pressure tubes from the Air Circulation Fan and wires from the electrical

connections are in the correct position. The top air

pressure tube from the fan goes to P1 and the bottom air

pressure tube to P2.

FIGURE 25.

AIR CIRCULATION FAN ASSEMBLY

RETURN AIR

TEMPERATURE

SENSOR

P2 AIR

PRESSURE TUBE

P1 AIR

PRESSURE TUBE

(under ange)

FLYING LEAD

RETURN

AIR

SENSOR

HIGH LIMIT

TEMPERATURE

SENSOR

FLUE

TEMPERATURE

SENSOR

CONDENSE

TUBE

OUTLET

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17.8 CONDENSATE DRAIN PUMP

17.8.1 Refer to section 16.3.

17.8.2 Remove the wires from the terminal strip marked fan compartment
for the float switch condensate pump.

17.8.3 Disconnect the condensate pipes from the pump. Taking care
as these will contain water.

17.8.4 Remove the 2 screws holding the condense pump in position
and remove the pump. Taking care as this will also contain
water.

17.8.5 Replace with new.

17.8.6 Reconnect the condense drain pipe to the condense pump,
leaving the flue outlet disconnected, pour water into the flue pipe
outlet to fill the condensate drain pipe and check for leaks. Re­connected the pipe to the flue outlet.

17.8.7 Re-fit in reverse order.

17.9 MAIN IGNITION/CONTROL PCB (ESYS Red Housing on Gas Valve)

17.9.1 Refer to section 16.3.

17.9.2 Unplug the connections from the top of the control and remove the ignition spark detection wires.
See Figure 28.

17.9.3 Unscrew the ESYS single retaining screw. Remove cover & unplug the multi pin connections from
the control. Slide the housing off the gas valve electrical connections.

17.9.4 Replace with the new ignition control PCB and re-fit in reverser order.

17.10 GAS VALVE & VENTURI ASSEMBLY

NOTE: The gas valve is factory preset and must not be adjusted. A replacement valve can only be

supplied by Johnson & Starley Ltd.

17.10.1 Remove the 2 fixing screws securing the venturi (and gas valve to the burner and remove the
assembly from the burner carefully removing the gasket.

17.10.2 Replace with the new component and re-fit in reverse order, ensuring all the seals are in good
condition and correctly positioned.

17.10.3 Check the gas rate and combustion as described in paragraph 14.4.

FIGURE 27.

CONDENSE PUMP REMOVAL

FIGURE 28. MAIN BURNER ASSEMBLY

ESYS

PANEL

SCREW

ELECTRICAL

CONNECTIONS

VALVE/
VENTURI
SCREWS

BURNER ASSEMBLY

NUTS

BURNER ARM

COMBUSTION

CHAMBER

ELECTRODE

NUTS

BURNER

ASSEMBLY NUT

FLAME DETECTION
ELECTRODE/
IGNITION ELECTRODE

GASKET

GAS VALVE

VENTURI

GAS INLET

ESYS

SCREWS

CONDENSE PIPE

CONNECTIONS FROM

THE COMBUSTION

TRAY

FILTER

CONDENSE

DRAIN

TUBE FROM

CONDENSATE

TRAP

24

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FIGURE 29. COMBUSTION AIR FAN ASSEMBLY

17.11 BURNER ASSEMBLY

17.11.1 Refer to section 16.3.

17.11.2 Unscrew the gas joint at the top of the gas cock.

17.11.3 Remove the ESYS (red ignition box) & gas valve venturi assembly. Refer to 17.10 & 17.9
and Figure 25.

17.11.4 Remove the 4 nuts which secure the burner assembly.

17.11.5 Carefully withdraw the assembly from the heat exchanger.

17.11.6 Remove the spark detection electrodes, allowing the burner sealing plates to be separated.

17.11.7 Replace with new component. Ensure the gaskets are replaced with new ones and re-fit in reverse
order.

17.11.8 Ensure the rotation position of the burner is correct (indicated by a notch).

17.11.9 Refit in reverse order ensuring the viewing window is correctly positioned.

17.12 IGNITION ELECTRODES

17.12.1 Refer to section 16.3.

17.12.2 Unplug the lead from the ESYS (red ignition box) and earth wire from the back of the electrode. See
Figure 25.

17.12.3 Remove the 2 remaining nuts and withdraw the electrode.

17.12.4 Replace with a new unit, ensuring the gasket is replaced with a new one.

17.13 FLAME DETECTION ELECTRODES

17.13.1 Refer to section 16.3.

17.13.2 Unplug the lead from the ignition control. See Figure 28.

17.13.3 Remove the two retaining nuts and withdraw the electrode.

17.13.4 Replace with new unit, ensuring the gasket is replaced with a new one.

 IMPORTANT:Wheneithertheignitionoramedetectionelectrodeshavebeenservicedorreplacedyou

MUST set the clearances as shown. See Figure 15.

17.14 COMBUSTION AIR FAN (CAF)

17.14.1 Refer to section 16.3.

17.14.2 To remove the CAF refer to 16.7 and Figure 20 and 29.

17.14.3 Remove the 4 retaining screws that attach the CAF to the flue elbow.

17.14.4 Replace with new components, gaskets, ‘O’ ring and re-fit in reverse
order.

COMBUSTION

AIR FAN

ELECTRICAL

CONNECTIONS

SCREWS

FLUE

ELBOW

FLUE

SENSOR

TELESCOPIC

FLUE

FLANGE

CONNECTION ON

CONDENSATE TRAY

GASKET SEALING

RING

‘O’ RING

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18. CONTROL PANEL MODES

18.1 TEST MODE

18.1.1 To put the appliance in test mode, press Summer Air Circulation (SAC) and C buttons together for
more than 3 seconds, until the display changes. (Possible 5 second time delay.)

t100 is displayed

along with the flame symbol.

18.1.2 Whilst in test mode, the appliance overrides all temperature setting and defaults to maximum rate.
Pressing the D and E buttons allows you to scroll between maximum and minimum rates, whilst
maintaining all protection and error conditions.

18.1.3 Press RESET to take the appliance out of test mode. If no changes are made, the appliance will
stay in test mode for 30 minutes.

18.2 AIR CIRCULATION FAN MODE

18.2.1 This mode can be used to adjust the maximum and minimum fan speed output value allowed to
drive the ACF fan. (minimum value of 50 to 100 being maximum)

18.2.2 Put into ACF mode by pressing ‘C’ and ‘RESET’ for 3 seconds. The ACF fan will run with the fan
speed value showing on the LCD display, the Value from the ESYS is bypassed.

18.2.3 On the display, letter F and the fan speed value will display, this value can be changed by pressing
the A and B buttons accordingly. Once the required value is reached the values can be saved as:

- minimum by pressing button D

- maximum by pressing button E

18.2.4 The display will flash for 2 seconds to confirm it has been saved to the ESYS.

18.2.5 Timeout mode is set for 30 minutes, this can be terminated by pressing RESET.

18.2.6 The backlight stays on when the test mode is active.

18.3 ERROR HISTORY MODE

18.3.1 The control panel can store the last 8 error codes. To access these codes press the RESET button
for more than 1 second, this will then flash ‘H1’ on the LCD display.

13.3.2 Error 1 being the most recent, along with the error code after the dot. To scroll though the error
history press the ‘C’ button.

18.3.3 The unit will stay in error history mode for 30 seconds.

18.3.4 To take the unit out of the error history mode press RESET.

18.3.5 In order to limit the warm air temperature the heater will shut off the burner and Lt will be displayed
in the centre of the display. This will be stored as Error 57.

18.3.6 Check the filter is clean and the warm air outlets are open.

CONTROL PANEL

1

Time control

2

A +

3

B -

4

LED Display

5

E +

6

D -

7

Summer Air Circulation

8

C

9

Reset

1 2 3 4 5 6

7 98

FIGURE 30. CONTROL PANEL

26

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19. FAULT CODE TABLE

19.1 CAUTION

Before commencing any mechanical servicing the appliance should be isolated from the electrical supply

and the gas service cock on the appliance closed. All parts that are removed during a service operation
should be replaced in reverse order, ensuring correct seals are made and wires are connected correctly.
During the service remove any debris from within the appliance. When gas-carrying components are serviced
the appliance must be tested for gas tightness after re-assembly. On completion of a service carry out a full
functional test of all appliance components and ensure system controls are operating correctly.

TABLE 4 ERROR CODES

CODE SYMPTOM POSSIBLE CAUSE ACTION

N/A Heater will not run

No call for heat to heater control
board

Check all external controls (if fitted)

Check setting on time clock

Check setting of heater controls

1

Flame lockout after several
attempts

Flame not detected

Check gas supply and gas cock

If burner lights, check flame sensor and wiring to
control board

Check operation of gas valve

2 False flame lockout False flame detected Check wiring on ESYS

3 Condense pump failure Power to the pump Check for any blockages, restrictions or frozen pipes

4 Air pressure switch open Circulation air fan not running Check for any dust restrictions or blocked filter

5 No tacho from fan Fan not running or wiring fault

Check that fan runs

Check wiring between ESYS and fan

7 Flue gas protection High flue gas temperature Check airflow and fan operation

8 Flame circuit error Flame sensing lead shorted to earth

Check flame detection lead between sensing probe
and ignition control board

9 Valve driver circuit error Gas valve not detected

Check that ESYS is corrected fitted on gas valve

Replace ignition control board or gas valve

13 Remote reset lockout Exceeded 5 remote resets per hour Reset it by power off/on

21 ADC error Change ESYS

25 CRC error Different software versions Change ESYS

26

Flame lost signal lost 5 times in 4
minutes

Flame sensing error. Failing gas
pressures. Fan fault. Flue blockage.

Check flame detection lead between sensor and
ignition control board

Check the gas supply, does pressure fall when burner
fires?

Check that flue system is not blocked

27

Sales/Spares & Replacement Help Line 01604 762881

BLOCKING CODES

CODE SYMPTOM POSSIBLE CAUSE ACTION

30

Duct air temperature sensor short
circuit

Temperature sensor shorted to earth
or failed

Check wiring and connections for shorting to earth

Check sensor resistance

31

Duct air temperature sensor open
circuit

Temperature sensor not connected
or failed

Check wiring connections

Check sensor continuity

34 Low mains supply voltage

Electrical supply fault to property Check incoming mains supply

Faulty wiring to appliance Check wiring to appliance

43 Return air temperature short circuit Temperature sensor shorted to

Check wiring connections not shorting to earth

Check sensor resistance

44

Return air temperature sensor
open circuit

Temperature sensor not connected
or failed

Check wiring connections

Check sensor continuity

45

Flue gas temperature sensor short
circuit

Short circuit in wiring between
sensor and control board

Check wiring to sensor

Check electrical resistance of the sensor

46

Flue gas temperature sensor open
circuit

Temperature sensor not connected
or failed

Check wiring connections

Check sensor continuity

57 Restricted airflow

Blocked filter and return air filter/
Duct

Check blockage from filter and return air filter/ducts

99 Communication MMI-ESYS lost

Connection between MMI & ESYS
incorrectly made

Check wiring and connections

28

www.johnsonandstarley.co.uk

20. FAULT FINDING FLOW CHART

29

Sales/Spares & Replacement Help Line 01604 762881

21. DEFECT DIAGNOSIS FOR THE CIRCULATION AIR FAN

21.1 CIRCULATION AIR FAN

21.1.1 Ensure Air Circulation Fan is running at maximum.

21.1.2 A voltage should be measured and blue (-) and yellow (+). Voltage approx. 10 VDC.

21.1.3 If voltage is present and fan is not running at maximum. Replace ACF.

30

www.johnsonandstarley.co.uk

()

22. FUNCTIONAL WIRING DIAGRAMS

FIGURE 31. WIRING DIAGRAM No. 1 WIRING ROUTING TABLE

FROM UNIT WIRE COLOUR

TERMINAL

L/N/E TO UNIT TERMINAL FROM UNIT WIRE COLOUR

TERMINA

L L/N/E TO UNIT TERMINAL

TIMER

red 1 L

PCB INTERFACE

18

ESYS

brown X1 - 5

PCB INTERFACE

14

blue 2 N

PCB INTERFACE

19 blue X1 - 10

PCB INTERFACE

15

blue 2 DSP (MMI) X1 - 1 yellow X2 - 1 DSP (MMI) X4 - 4

brown 3

PCB INTERFACE

22

orange

X2 - 2 DSP (MMI) X4 - 2

brown 4 DSP (MMI) X1 - 3

green

X2 - 3 DSP (MMI) X4 - 3

DSP (MMI)

green X2 - 1

PCB INTERFACE

X2 - 1 black X2 - 4 DSP (MMI) X4 - 4

green X2 - 2

PCB INTERFACE

X2 - 2 blue X2 - 5 DSP (MMI) X4 - 5

orange X2 - 3

PCB INTERFACE

X2 - 4 yellow X3 - 2

PCB INTERFACE

X3 - 1

orange X2 - 4

PCB INTERFACE

X2 - 5 red X3 - 3

PCB INTERFACE

X3 - 3

red X3 - 10

PCB INTERFACE

X3 - 4

GAS VALVE

green/yellow 1 E

PCB INTERFACE

13 yellow X3 - 13

PCB INTERFACE

X3 - 2

green/yellow 1 E

ELECTRODE

CONDENSATE

PUMP

orange B1

PCB INTERFACE

30

violet B2

PCB INTERFACE

29

CLEANFLOW

orange

Transformer

E

PCB INTERFACE

10 blue A3 N

PCB INTERFACE

18

grey L

PCB INTERFACE

11 brown A2 L

PCB INTERFACE

17

- N

PCB INTERFACE

9 green/yellow A1 E

PCB INTERFACE

16

24
23
22
21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4

123

14

25

36

13

24

PCB - INTERFACE

25
26
27
28
29
30
31
32

SL

O/P

N
L
N
L
N
L
E
N
L
E
N
L
E
N
L
E
N
L
E

E L N

r

r

ACF CAF CLEANFLOW ESYS X1 COND/PUMP CLOCK ROOM STAT HTR

y/g

or

or

bl

br

24
23
22
21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4

123

14

25

36

13

24

PCB - INTERFACE

25
26
27
28
29
30
31
32

SL

O/P

N
L
N
L
N
L
E
N
L
E
N
L
E
N
L
E
N
L
E

E L N

X1

1

2

4

5

X5

X4

X2

X3

3

6

123

4

5

123

4

1

3

DSP (MMI)

1

3

BU

BN

or

54

3

21

M

n

CONTROL PANEL

TIMER

24
23
22
21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4

123

14

25

36

13

24

PCB - INTERFACE

25
26
27
28
29
30
31
32

SL

O/P

N
L
N
L
N
L
E
N
L
E
N
L
E
N
L
E
N
L
E

E L N

RD

RD

ACF CAF CLEANFLOW ESYS X1 COND/PUMP CLOCK ROOM STAT HTR

GNYE

OG

OG

BU

BN

ESYS

10

5

1

16

8

3

6

1

15 9

9 8 7 6

4 3 2 1

5
4
3

2

10

14
13

7
6

1112

5
4

2

X3

X1

X2

BN

RD

BK

GN

1
2
3

OPENTHERM

UNIT

AMBIENT

ROOM

SENSOR

(OPTIONAL)

SUMMER

SWITCH

(OPTIONAL)

RD

RD

RD
BU

BN

X6 X7

PCB INTERFACE

OR

GY

BU

BN

A2

A3

A1

GNYE

BU

GNYE

BN

CONDENSATE PUMP

FLOAT SWITCH

B2

B1

BK

BK

ROOM STAT

(OPTIONAL)

CLEANFLOW

(OPTIONAL)

L

N

24V

0V

Transformer

MAINS 230V - AC

YE

YE

YE

BU

RD

E

BN

GY

OR

GNYE

BN

BU

OG

YE

BU

GN

GN

OG

OG

GR

GN

GR

BU

BK

YE

BU

RD

BU

BN

BN

COLOUR

ABR

BLACK

BK

BLUE

BU

GREEN

GN

BROWN

BN

RED

RD

GREEN/YELLOW

GNYE

GREY

GY

ORANGE

OG

YELLOW

YE

VIOLET

VT

WHITE

WH

*

Remove link between 21 & 23

when fitting a room stat

Remove link between 25 & 26

*

when fitting an open therm

PLEASE NOTE:-

BN

BU

GNYE

BURNER ARM

GAS

VALV E

EARTH

GNYE

GNYE

VT

N/C

31

Sales/Spares & Replacement Help Line 01604 762881

FIGURE 32. WIRING DIAGRAM No. 2 WIRING ROUTING TABLE

FROM UNIT WIRE COLOUR

TERMINAL

L/N/E TO UNIT TERMINAL FROM UNIT WIRE COLOUR

TERMINAL

L/N/E TO UNIT TERMINAL

COMBUSTION

AIR FAN

(CAF)

white A1 - 2 ESYS X3 - 1

AIR

CIRCULATION

FAN

(ACF)

blue X9 - 2 N

PCB INTERFACE

6

black A1 - 3 ESYS X3 - 12

green/yellow

X9 - 3 E

PCB INTERFACE

4

yellow A1 - 4 ESYS X3 - 5 brown X9 - 4 L

PCB INTERFACE

5

brown A2 - 1 L

PCB INTERFACE

8 black X10 - 1 DSP (MMI) X3 - 3

green/yellow A2 - 2 N

PCB INTERFACE

7 yellow X10 - 2 DSP (MMI) X3 - 1

blue A1 - 3 E

PCB INTERFACE

9

ACF RETURN

AIR SENSOR

green F1 ESYS X3 - 6

CAF FLUE

PROTECTION

SENSOR

black B1 ESYS X3 - 9 green F2 ESYS X3 - 14

black B2 ESYS X3 - 6

AIR PRESSURE

SWITCH

green 1 ACF F2

BULK HEAD

LIMIT SWITCH

violet D1

ESYS

X3 - 4 green 2 ESYS X3 - 7

violet D2

ESYS

X3 - 15

BULK HEAD DUCT

AIR SENSOR

orange C1 ESYS X3 - 8

orange C2 ESYS X3 - 16

32

www.johnsonandstarley.co.uk

23. DIMENSIONS

FIGURE 33. C36U DIMENSIONS

600

1254

1400

142

800

316

97

617

93

89

64

500

708

128

55

533

509

34

198

FRONT VIEW

SIDE VIEW

TOP VIEW

FRONT

BASE VIEW

33

Sales/Spares & Replacement Help Line 01604 762881

24. EXPLODED SPARES DIAGRAMS

ITEM DESCRIPTION QTY PART No. G. C. No.

1

CONTROL PANEL ASSEMBLY

1 C10D-0501005

2

COMBUSTION AIR FAN (CAF) ASSEMBLY

Includes 3 & 4

1 1000-0525215 J24-837

3 CAF GASKET SEALING RING 1 1000-1507860 H36-837

4 CAF ‘O’ RING 1 1000-2501670 J24-909

5

EXHAUST FLUE ELBOW ASSEMBLY

Includes 6 & 7

1 1000-0022195 J24-836

6 FLUE SEAL 1 1000-2501500 J24-833

7 FLUE GAS SENSOR 1 1000-0522640 J24-836

8

GAS VALVE/VENTURI

Includes 9 & 10

1 1000-0710735 J24-775

9 VENTURI GASKET 1 1000-1508380 J24-772

10 CORK GASKET 2 1000-2501170 H38-674

11

BURNER ARM ASSEMBLY

Includes 12 & 13

1

1000-0710745

J24-764

12 BURNER GASKET A 1 1000-1508160 J24-765

13 BURNER GASKET B 1 1000-1508170 J24-767

14

IGNITION ELECTRODE ASSEMBLY

Includes 15

1 1000-0710455 J24-780

15 ELECTRODE GASKET 1 1000-2501270 J24-755

16

DETECTION ELECTRODE ASSEMBLY

Includes 15

1 1000-0710445 J24-769

4

3

6

7

3

FLANGE

CONNECTION

9

9

12

13

15

15

10

10

34

www.johnsonandstarley.co.uk

25

ITEM DESCRIPTION QTY PART No. G. C. No.

17

AIR CIRCULATION FAN ASSEMBLY

1 C46U-0503005

18

RETURN AIR SENSOR
DUCT TEMPERATURE SENSOR
FLUE GAS SENSOR

1 1000-0522645 J24-833

19

COMBUSTION AIR BOX ASSEMBLY

Includes 19 & 20

1 C46D-0139005 J24-829

20 SEALING RING 1 1000-2501680 J24-825

21 CONNECTOR SEAL 1 1000-2501710

22

CONDENSATE PUMP

1 1000-0025035 J24-844

23

HEAT EXCHANGER

1 C46D-0330005

24

ELECTRICAL P.C.B. BOARD

Includes 25

1 1000-0526615 J24-838

25 LOCKING CIRCUIT BOARD SUPPORTS 4 1000-0526485

26 HIGH LIMIT TEMPERATURE SENSOR 1 1000-0516835 173-119

12

FLANGE

SOCKET

BACK NUT

CONDENSATE

CONNECTOR

22

CONDENSATE
AIR BOX SEAL

21

SEALING

FRAME

18

FLYING LEAD

35

Sales/Spares & Replacement Help Line 01604 762881

ITEM DESCRIPTION QTY PART No. G. C. No.

27 ESYS CONTROL BOX 1 1000-0526595 J24-859

28 ESYS SCREW 1 1000-3004035 J24-855

29 ESYS COVER 1 1000-0522610 J24-856

30 AIR PRESSURE SWITCH 1 1000-0530135 J24-839

31 CONDENSATE TRAP 1 1000-0024525 J24-749

32 VERTICAL FLUE ADAPTER 60/100mm 1 1000-0022225 J24-784

33 TELESCOPIC FLUE 1 1000-00222525 J24-811

34 OPEN THERM SWITCH 1 1000-0525305

29

28

36

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25. LIST OF ANCILLARIES

WARMCAIR C36U ANCILLARY’S

Description Product Code

1

CLEANFLOW AIR FILTER

CF36

2

FILTER REPLACEMENT PADS

(PACK OF 6)

A0212X0212

3

Side Return Air Kit

Includes 4

SRAK36

4

BLANKING PLATE

5

PASSIVE SIDE RETURN AIR KIT

SRAK36P

6

BASE DUCT

WB36

37

Sales/Spares & Replacement Help Line 01604 762881

Code Of Practice

For the installation, commissioning and servicing
of domestic heating and hot water products

Benchmark places responsibilities on
both manufacturers and installers.*
The purpose is to ensure that
customers** are provided with the
correct equipment for their needs, that it
is installed, commissioned and serviced
in accordance with the manufacturer’s
instructions by competent persons
and that it meets the requirements of
the appropriate Building Regulations.
Installers are required to carry out work
in accordance with the following:

Standards of Work

• Be competent and qualified to undertake the work
required.

• Install, commission, service and use products in
accordance with the manufacturer’s instructions provided.

• Ensure that where there is responsibility for design work,
the installation is correctly sized and fit for purpose.

• Meet the requirements of the appropriate Building
Regulations. Where this involves notifiable work be a
member of a Competent Persons Scheme or confirm that
the customer has notified Local Authority Building Control
(LABC), prior to work commencing.

• Complete all relevant sections of the Benchmark
Checklist/Service Record when carrying out
commissioning or servicing of a product or system.

• Ensure that the product or system is left in a safe
condition and, whenever possible, in good working order.

• Highlight to the customer any remedial or improvement
work identified during the course of commissioning or
servicing work.

• Refer to the manufacturer’s helpline where assistance is
needed.

• Report product faults and concerns to the manufacturer
in a timely manner.

Customer Service

• Show the customer any identity card that is relevant to
the work being carried out prior to commencement or on
request.

• Give a full and clear explanation/demonstration of the
product or system and its operation to the customer.

• Hand over the manufacturer’s instructions, including the
Benchmark Checklist, to the customer on completion of
an installation.

• Obtain the customer’s signature, on the Benchmark
Checklist, to confirm satisfactory demonstration and
receipt of manufacturer’s instructions.

• Advise the customer that regular product servicing is
needed, in line with manufacturers’ recommendations,
to ensure that safety and efficiency is maintained.

• Respond promptly to calls from a customer following
completion of work, providing advice and assistance by
phone and, if necessary, visiting the customer.

• Rectify any installation problems at no cost to the
customer during the installer’s guarantee period.

* The use of the word “installer” is not limited to installation itself and covers

those carrying out installation, commissioning and/or servicing of heating
and hot water products, or the use of supporting products (such as water
treatment or test equipment).

**Customer includes householders, landlords and tenants.

© Heating and Hotwater Industry Council (HHIC)

www.centralheating.co.uk

This Commissioning Checklist is to be completed in full by the competent person who commissioned the wsnn air unit and associated
equipment as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for
future reference

Failure to Install and commission this equipment to the manufacturer's instructions may Invalidate the warranty but does not affect statutory rights.

CONDENSING WARM AIR HEATING AND WATER HEATING COMMISSIONING CHECKLIST

Customer name: Telephone number:

Address:

Warm Air Unit Make and Model:

Warm Air Unit Serial Number:

Commissioned by (PRINT NAME): Gas safe register number:

Company name: Telephone number:

Company address:

Commissioning date:

CONTROLS (tick the appropriate boxes)

Time and temperature control to heating

Room thermostat and programmer/timer Programmable Roomstat

Load/weather compensation Optimum start control

Heating zone control Fitted Not required

WARM AIR HEATER

Has the system been balanced in accordance with the heater manufacture's instructions? Yes No

Was an anemometer used? Yes No

Yes No

WARM AIR HEATING: measure and record:

Bumer operating pressure (at maximum rate) mbar

Heat input kW

Temperature difference between return air inlet and nearest outlet °C

WATER HEATING: (If fitted)

Water inlet temperature

Water outlet temperature

°C

°C

CONDENSATE

The condensate drain has been installed in accordance with the manufacture's instructions and/or BS 5546/BS6798 Yes

INSTALLATION

The heating and hot water system complies with the appropriate Building Regulations Yes

The system and associated products have been installed and commissioned in accordance with the manufacturers instructions Yes

Yes

The manufacturer's literature, including Benchmark Checklist and Service Record, has been explained and left with the customer Yes

Commissioning Engineer’s Signature

Customer’s Signature

*

© Heating and Hotwater Industry Council (HHIC)

www.centralheating.co.uk

www.centralheating.co.uk

www.centralheating.co.uk

It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed.

Service Provider

Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions.

SERVICE RECORD

SERVICE 01

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

SERVICE 02

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

SERVICE 03

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

SERVICE 04

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

SERVICE 05

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

SERVICE 06

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

SERVICE 07

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

SERVICE 08

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

SERVICE 09

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

SERVICE 10

Date:

Engineer name:

Company name:

Telephone No:

Gas safe register No:

Record:

At max. rate: CO ppm AND CO² %

At min. rate:

(Where Possible) CO ppm AND CO

²

%

Comments:

Signature

*All installations in England and Wales must be

to Local Authority Building Control (LABC) either directly or through a

Competent Persons Scheme. A Building Regulations Compliance

will then be issued to the customer.

© Heating and Hotwater Industry Council (HHIC)

Johnson & Starley Ltd

Rhosili Road, Brackmills,
Northampton NN4 7LZ

[e-mail]
[e-mail]

Reception/Customer Service

01604 762881

Fax

01604 767408

Anniversary 1922 - 2012