Mamiya C32, C28, C24 manual Maintenance, Cleaning, GAS of Escape

Page 66

.engineer service your consult recurs, problem the or problem, the solve to fail checks simple these If

.open fully not valves stop for look not, If .less) or seconds 10 in pint 1 (or minute per litres 5.3 of rate minimum a at taps the of out flows water cold that Check

water hot no but Heating

.heat for calling both are fitted) (if thermostat room and programmer the that Check

heating no but water Hot

.sequence ignition the restart to D button reset boiler the press illuminated is it If .E lamp signal out---lock the Check

.bar 0,5 least at reads G gauge pressure water system the that Check

.on are switches all that and boiler the at available are electricity and gas that Check

water hot or heating No

FAULTS

.installer registered CORGI

a by year a once least at serviced be should appliance The

MAINTENANCE

.materials cleaning abrasive use not Do

.detergent mild

and cloth damp a use stains and marks stubborn remove To

.cloth dry a with dust simply cleaning normal For

CLEANING

.flame naked a with leaks gas for search not Do

.delay without supplier gas

local your contact suspected be fault or leak gas a Should

GAS OF ESCAPE

.sought be should person competent

a IE in or installer registered CORGI a of assistance

the problem the remedy to fails this If .pipe the of end the

from blockage any cleaning an pipe exposed the over water

hot pouring by obstruction the free to made be may attempt

an accessible is run pipe the and suspected is freezing If

.boiler the of shutdown automatic cause can freezing,

or debris by caused drain, condensate the of Blockage

.blocked or modified be not must drain condensate The

DRAIN CONDENSATE

.cock inlet gas the close or supply electricity the from

boiler the isolate not do freezing of risk consequent with

weather, cold in used and lit not is boiler the when Therefore,

Cû 5 below is temperature the when boiler the operates that

system freeze---anti in built a with provided is appliance This

PROTECTION FROST

.circuits water the empty necessary, If

3

.boiler the under fitted circuits

 

water the for valves the and cock supply gas the off Shut

2

.off supply electricity the Switch

1

period: long a for boiler the use to expect not do you When

periods long For

.seconds 4 every flash will A light operation appliance The .position O the to C selector function the set off boiler the turn To

periods short For BOILER THE DOWN SHUT TO

.savings gas resulting with time of period longer a for consistent performance its keep will exchanger heat DHW the Consequently,

.descaling periodic avoid should you device a such With .device treatment water small a install to advisable is it however, cases, these In

B

.clogging and deposits scale of incidences annoying minimises C)û 50 (about illustration following the in shown as position the exceeding not great, particularly be may water the in present limescale of amount the where Moreover,

.exploited fully be will facilities control automatic the way, this In .water cold with mix to need the minimising demand, the with commensurate level a to temperature DHW the adjust to advisable is It

Adjustment

.running when burner the of extinguishing and lighting of cycle a see to normal is it minimum, the to set temperature the with or level low a at is demand the Where

.output minimum and maximum of limits the between constant, delivered DHW of temperature the keep to order in burner the to gas of flow the controls automatically boiler the within integrated system adjustment The

.circuit CH the of that from separate completely is temperature DHW the of Adjustment

 

 

 

 

B

 

 

 

C)û (55 Maximum

 

 

C)û (35 Minimum

 

 

 

 

.B knob control temperature

 

 

the turning by appliance) the of limits power the (within

°

 

 

 

°

 

 

 

 

C 55 about of maximum a to C 35 about of minimum a from

varied be can boiler the leaving DHW the of temperature The

 

 

TEMPERATURE DHW OF CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

C)û (85 Maximum

 

C)û (38 Minimum

 

 

 

 

 

 

 

 

 

 

settings:

 

thermostat boiler the for temperatures flow CH Approx

 

 

 

 

 

.C knob the turning

 

°

 

°

 

 

 

by C 85 about of maximum a to C 38 about of minimum

 

a from adjustable is water CH of temperature output The

 

TEMPERATURE CH OF CONTROL

Page 65 Page 67
Image 66
Page 65 Page 67
Contents Installation and servicing Mini HE --- Installation & Servicing Document Amendments Performance Data --- Central Heating GeneralBoiler Data Domestic Hot WaterContents Benchmark Commissioning Checklist DetailsGeneral Boiler Water Connection Boiler ClearancesOptional Extra Kits GAS SafetyIntroduction Safe HandlingSafe Handling of Substances Flue Installation RequirementsGAS Supply Location of Boiler and Flue OutletAIR Supply Water Circulation SystemWater Treatment Additional PumpsElectrical Supply RequirementsMini HE C24, mini HE C28 Size of expansion vesselHydraulic Loss Remaining pump capacity General Boiler Control Interlocks Domestic HOT Water RequirementsGeneral Boiler Water Circuit Diagram Installation Installation Boiler AssemblyHardware pack contents Installation UnpackingPack a contents Pack B contentsInstallation Fitting the Flue SystemTwin Pipe Rear Flue AssemblyRefer to the following diagram for the model mini HE C32 Flue DuctWall Mounting Template rear flue Installation Cutting the Flue RingFitting the Extension Kits Installation Fitting the Optional Roof Flue Roof Flue KIT CONTENTS/OPTIONSInstallation Flue Terminal Position Flue ArrangementAssembling the Roof Flue KIT Flue over 3 meters longMounting the Boiler Installation Fitting the Wall Mounting PlateFit the service valves, washers and tail pipes as shown ConnectionsLocate the gasket and flue turret on the top of the boiler Safety Valve DrainCondensate Drain Flues over 1 meter longFor external controls wiring see frame Incoming mains wiring detailElectrical Connections Pictorial Wiring Installation Functional Flow Diagram Control pcbExternal Electrical Controls Electrical Connections for a Combi BoilerInstallation Initial Lighting To Adjust Pressures Maximum valve settingMinimum valve setting Electrical Installation Anti Cycling SettingCommissioning and Testing Gas InstallationGeneral Checks Installation GAS Conversion Handing OverServicing Servicing ScheduleServicing Removal of Outer and Inner Casing RE---ASSEMBLY Servicing Burner Removal and CleaningCleaning the Heat Exchanger Burner Pressure CheckServicing FAN and Venturi Removal and Cleaning Remove the fan by sliding it towards left see the arrowBurner Injectors Replacement Spark and Detection Electrode ReplacementBurner Replacement When replacing any componentTemperature Probe Replacement Servicing Overheat Thermostat ReplacementFlue Temperature Probe Replacement Removal of CH temperature probeGAS Valve Replacement Expansion Vessel ReplacementServicing FAN Replacement Venturi ReplacementAIR Pressure Switch Replacement Pump Replacement Complete Servicing Electronic CONTROL/IGNITION PCB Replacement Boiler mode setting Servicing CH Flow Switch Replacement CH Flow Switch Membrane ReplacementServicing DHW Flow Switch Replacement DHW Filter and Flow Limiter ReplacementFlow limiter Servicing Primary Heat Exchanger Replacement Recuperator ReplacementServicing Diverter Valve Actuator Replacement Diverter Valve Internal Parts ReplacementServicing DHW Heat Exchanger Replacement CH Drain Cock ReplacementCondensate Trap Replacement To clean the condensate trap and drainTo replace the condensate trap Normal operation OFFFault Finding FindingFrom Fault finding Fault Finding Fault Refer back to page 52 of fault finding to continue Fault Finding From Fan mod. mini HE C28, mini HE C32 Burner mod. mini HE C28, mini HE C32075535 17398422 23 Installer Notification Guidelines GAS Boiler Commissioning Checklist Service Interval Record Technical Training Ideal boilersInstaller the contact fire not does Installer Water hot orCorrectly Ignition at attempt Maintenance CleaningGAS of Escape Lights Diagnostic Boiler the Light toClearances Minimum

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.
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