Mamiya C24, C32, C28 GAS Supply, Safe Handling of Substances, Location of Boiler and Flue Outlet

Page 8

GENERAL

The Electricity at Work Regulations, 1989.

F For the minimum clearances required for safety and

The manufacturers notes must NOT be taken, in any way, as

subsequent service, see the wall mounting template and

frame 2. In addition, sufficient space may be required to

overriding statutory obligations.

allow lifting access to the wall mounting plate.

IMPORTANT These appliances are CE certificated for safety

GAS SUPPLY

and performance. It is, therefore, important that no external

control devices, e.g. flue dampers, economisers etc., are

The local gas supplier should be consulted, at the installation

directly connected to these appliances unless covered by

stage, in order to establish the availability of an adequate

these Installation and Servicing Instructions or as otherwise

supply of gas. An existing service pipe must NOT be used

recommended by Caradon Ideal Ltd. in writing. If in doubt

without prior consultation with the local gas supplier.

please enquire.

Natural gas boilers must be installed on a gas supply with a

Any direct connection of a control device not approved by

governed meter. A gas meter can only be connected by the

Caradon Ideal Ltd. could invalidate the certification and the

local gas supplier or by a registered CORGI engineer.

normal appliance warranty. It could also infringe the Gas

Propane gas boilers MUST be installed with pipes, cylinders

Safety Regulations and the above regulations.

and pressure regulators fitted in accordance with BS.5482.1.

 

SAFE HANDLING OF SUBSTANCES

Bulk tank installations MUST comply with the Home Office

code of practice for storage of liquefied petroleum gas at fixed

Care should be taken when handling the boiler insulation

installations. The complete installation MUST be tested for

gas tightness and purged as described in the above code.

panels, which can cause irritation to the skin. No asbestos,

 

mercury or CFCs are included in any part of the boiler in its

The boiler is adjusted at the factory for use with the relevant

manufacture.

supply gas. A working gas pressure equal to that stated in

LOCATION OF BOILER AND FLUE OUTLET

Table 1 MUST be available at the boiler inlet.

Where applicable, the appliance can be converted for

 

The boiler must be installed on a flat and vertical wall, capable

G20---Natural Gas or G31---Propane Gas by using the

of adequately supporting the weight of the boiler and any

appropriate conversion kit.

ancillary equipment.

IMPORTANT Installation pipes MUST be fitted in accordance

 

The boiler may be fitted on a combustible wall and insulation

with BS. 6891. In IE refer to I.S. 813.2002.

Pipework from the meter to the boiler MUST be of an

between the wall and the boiler is not necessary, unless

required by the local authority.

adequate size, i.e. not less than 22 mm O.D. copper or 3/4”

The boiler must not be fitted outside.

BSP iron.

FLUE INSTALLATION REQUIREMENTS

Timber Framed Buildings

The flue must be installed in accordance with the

If the boiler is to be fitted in a timber framed building it should

recommendations of BS. 5440---1 2000.

be fitted in accordance with the Institute of Gas Engineers

In IE refer to I.S. 813.2002.

document IGE/UP/7, 1998.

The following notes are intended for general guidance.

Bathroom Installations

1 The boiler MUST be installed so that the terminal is

The boiler may be installed in any room or internal space,

exposed to external air.

although particular attention is drawn to the requirements of

2 It is important that the position of the terminal allows the

the current I.E.E. (BS.7671) Wiring Regulations and, in

free passage of air across it at all times.

Scotland, the electrical provisions of the building regulations

3 Minimum acceptable spacing from the terminal to

applicable in Scotland with respect to the installation of the

boiler in a room or internal space containing a bath or shower.

obstructions and ventilation openings are specified in

For Ireland reference should be made to the current ETCI

Table 4.

4 Where the lowest part of the terminal is fitted less than 2m

rules for electrical installations and I.S.813:2002

(6’6”) above a balcony, above ground or above a flat roof

 

Where a room sealed appliance is installed in a room

to which people have access then the terminal MUST be

containing a bath or shower then the appliance and any

protected by a purpose designed guard.

electrical switch or appliance control utilising mains electricity

Ensure that the guard is fitted centrally.

should be so situated that it cannot be touched by a person

5 Where the terminal is fitted within 850mm (34”) of a plastic

using the bath or shower.

or painted gutter or 450mm (18”) of painted eaves then an

Note. It is not permissible to install a mains socket in a

aluminium shield at least 750mm (30”) long should be

fitted to the underside of the gutter or painted surface

bathroom.

fitted centrally above the flue.

 

Where installation will be in an unusual location, special procedures may be necessary and BS 6798 gives detailed guidance on this aspect.

Compartment Installations

A compartment used to enclose the boiler should be designed and constructed specially for this purpose.

An existing cupboard or compartment may be used, provided that it is modified for the purpose.

In both cases details of essential features of cupboard / compartment design, including air cupboard installation, are to conform to the following:

FBS 6798 (No cupboard ventilation is required --- see “Air supply” for details)

FThe position selected for installation MUST allow adequate space for servicing in front of the boiler.

6The air inlet/products outlet duct and the terminal of the boiler MUST NOT be closer than 25mm (1”) to combustible material. Detailed recommendations on the protection of combustible material are given in BS.

5440---1:2000. In IE refer to I.S. 813.2002.

Table 4 --- Balanced flue terminal position

Terminal position

Minimum spacing

 

 

 

1

Directly below, above or along side

300 mm (12”)

 

of an openable window, air vent or

 

 

other ventilation opening

 

 

 

 

2

Below guttering, drain pipes or soil

25 mm ( 1”) ***

 

pipes

 

 

 

 

3

Below eaves

25 mm ( 1”) ***

 

 

 

4

Below balconies or a car port roof

25 mm ( 1”) ***

 

 

 

8

mini HE --- Installation & Servicing

Image 8
Contents Installation and servicing Mini HE --- Installation & Servicing Document Amendments General Boiler DataPerformance Data --- Central Heating Domestic Hot WaterContents Benchmark Commissioning Checklist DetailsGeneral Boiler Water Connection Boiler ClearancesGAS Safety IntroductionOptional Extra Kits Safe HandlingFlue Installation Requirements GAS SupplySafe Handling of Substances Location of Boiler and Flue OutletWater Circulation System Water TreatmentAIR Supply Additional PumpsElectrical Supply RequirementsHydraulic Loss Remaining pump capacity Mini HE C24, mini HE C28Size of expansion vessel General Boiler Control Interlocks Domestic HOT Water RequirementsGeneral Boiler Water Circuit Diagram Installation Installation Boiler AssemblyInstallation Unpacking Pack a contentsHardware pack contents Pack B contentsInstallation Fitting the Flue SystemRear Flue Assembly Refer to the following diagram for the model mini HE C32Twin Pipe Flue DuctWall Mounting Template rear flue Fitting the Extension Kits Installation Cutting the FlueRing Installation Fitting the Optional Roof Flue Roof Flue KIT CONTENTS/OPTIONSInstallation Flue Terminal Position Flue ArrangementAssembling the Roof Flue KIT Flue over 3 meters longInstallation Fitting the Wall Mounting Plate Fit the service valves, washers and tail pipes as shownMounting the Boiler ConnectionsSafety Valve Drain Condensate DrainLocate the gasket and flue turret on the top of the boiler Flues over 1 meter longElectrical Connections For external controls wiring see frameIncoming mains wiring detail Pictorial Wiring Installation Functional Flow Diagram Control pcbExternal Electrical Controls Electrical Connections for a Combi BoilerInstallation Initial Lighting Minimum valve setting To Adjust PressuresMaximum valve setting Anti Cycling Setting Commissioning and TestingElectrical Installation Gas InstallationGeneral Checks Installation GAS Conversion Handing OverServicing Servicing ScheduleServicing Removal of Outer and Inner Casing Servicing Burner Removal and Cleaning Cleaning the Heat ExchangerRE---ASSEMBLY Burner Pressure CheckServicing FAN and Venturi Removal and Cleaning Remove the fan by sliding it towards left see the arrowSpark and Detection Electrode Replacement Burner ReplacementBurner Injectors Replacement When replacing any componentServicing Overheat Thermostat Replacement Flue Temperature Probe ReplacementTemperature Probe Replacement Removal of CH temperature probeGAS Valve Replacement Expansion Vessel ReplacementAIR Pressure Switch Replacement Servicing FAN ReplacementVenturi Replacement Pump Replacement Complete Servicing Electronic CONTROL/IGNITION PCB Replacement Boiler mode setting Servicing CH Flow Switch Replacement CH Flow Switch Membrane ReplacementFlow limiter Servicing DHW Flow Switch ReplacementDHW Filter and Flow Limiter Replacement Servicing Primary Heat Exchanger Replacement Recuperator ReplacementServicing Diverter Valve Actuator Replacement Diverter Valve Internal Parts ReplacementServicing DHW Heat Exchanger Replacement CH Drain Cock ReplacementTo replace the condensate trap Condensate Trap ReplacementTo clean the condensate trap and drain Normal operation OFFFault Finding FindingFrom Fault finding Fault Finding Fault Refer back to page 52 of fault finding to continue Fault Finding From Burner mod. mini HE C28, mini HE C32 075535Fan mod. mini HE C28, mini HE C32 17398422 23 Installer Notification Guidelines GAS Boiler Commissioning Checklist Service Interval Record Technical Training Ideal boilersCorrectly Ignition at attempt Installer the contact fire not doesInstaller Water hot or GAS of Escape MaintenanceCleaning Clearances Minimum Lights DiagnosticBoiler the Light to

C28, C24, C32 specifications

The Mamiya C series is celebrated among photography enthusiasts for its unique twin-lens reflex (TLR) design, offering both a classic aesthetic and innovative features that set it apart in the world of medium format cameras. The C32, C24, and C28 models represent a range of technology and design advancements that cater to various shooting needs.

The Mamiya C32, introduced in the early 1970s, is renowned for its precision engineering and versatility. This model features interchangeable lenses, allowing photographers to switch between different focal lengths for creative flexibility. The camera supports 120 and 220 film formats, enabling higher film capacities for extended shooting sessions. An essential feature of the C32 is its built-in light meter, which enhances exposure accuracy by providing real-time readings. The camera's bright waist-level finder offers excellent viewing comfort and composition aid, attracting those who appreciate a more hands-on shooting experience.

Next in line, the Mamiya C24 offers a slightly more compact and lighter design, making it an appealing option for documentary and street photographers. While still featuring the electronic leaf shutter system utilized in the C32, the C24 omits built-in metering, which encourages users to develop their exposure skills. The lens selection remains robust, with options ranging from wide-angle to telephoto, allowing for creative versatility. The C24's rugged build quality and reliable shutter performance make it a trusted companion in various shooting conditions.

Lastly, the Mamiya C28 provides a perfect blend of portability and advanced capabilities. With its ergonomic design and improved lens coatings, the C28 offers enhanced image quality with better contrast and sharpness. Similar to its predecessors, it utilizes an interchangeable lens system but enhances user convenience through quick-to-use shutter speeds and aperture settings. The camera is also compatible with a range of accessories, such as flash units and close-up attachments, further expanding its creative potential.

In summary, the Mamiya C32, C24, and C28 each present unique features and technological advancements that cater to various types of photographers. Whether it's the precision of the C32, the compact convenience of the C24, or the versatile performance of the C28, these cameras maintain a special place in the hearts of medium format enthusiasts, showcasing the blend of craftsmanship and innovation that Mamiya is known for.