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These instructions are suitable for the following boilers :

Calydra comfort 100

Do not forget the Log Book!

Chaffoteaux & Maury supports Benchmark, the heating industry code to ensure the correct installation, commissioning and
servicing of domestic central heating systems.

To The End User

Make sure you have a completed Log Book for your boiler. This provides a record of the commissioning of your boiler.

It contains important information about your particular installation that may be required by service engineers. The Log Book will
also provide contact details for the installer should you need guidance in the use of this appliance or if there are any problems.

As with your car, your boiler will work more reliably and efficiently if regularly serviced. We recommend an annual service
check. The service history of the appliance will be recorded on the Log Book.

In the unlikely event of any problems with your boiler or system you should first contact your installer. If your installer cannot
resolve the problem he should telephone our national service helpline.

This appliance is a combined appliance for the production of Central Heating (C.H.) and Domestic Hot Water D.H.W.)

This appliance must only be used for the purpose for which it is designed. THe manufacturer declines all responsibility for
improper or negligent use.

A charge may be made if Chaffoteaux & Maury Service is called out to resolve a non-product related fault.

Your statutory rights are not affected.

Do not allow children or inexperienced persons to use the appliance without supervision.

If you smell gas in the room, do not turn on or off light swithces, use the telephone or any other objects that might cause
sparks, open doors and windows to ventilate the room.

Shut the gas mains tap (on the gas meter) or the valve of the gas cylinder and call your Gas Supplier immediately.

If you are going away for a long period of time, remember to shut the mains gas tap or the gas  cylinder valve.

Before any intervention within the boiler it is first necessary to isolate the electrical power supply by turning the

external switch to “OFF”

TO CONTACT C&M SERVICE, PLEASE CALL THE NATIONAL WARRANTY HELPLINE ON:

0870 600 9888

To The Installer

As part of the commissioning of this appliance it is vital that the Log Book is completed and given to the End User Please
ensure that your customer is aware of the importance of keeping the Log Book safe as a record of the installation and the
appliance service history.

Please ensure that your customer is aware of the correct operation of the system, boiler and controls.

CUSTOMER CARE
Chaffoteaux & Maury, as a leading brand of domestic and commercial water heating appliances is committed to providing high
quality products and a high quality after sales service. If it is necessary to contact an engineer, then telephone the national
warranty helpline 0870 600 9888.
Advice on installation or servicing can also be obtained by contacting the Technical Department on:

Tel: 0870 241 8180
Fax: 01494 459775

GUARANTEE
The manufacturer`s guarantee is for 12 months from the date of purchase. The guarantee is invalidated if the appliance is not
installed in accordance with the recommendations made herein or in a manner not approved by the manufacturer. To assist us
in providing you with an efficient after sales service, please return the guarantee registration card enclosed with the boiler
without delay.

STATUTORY REQUIREMENTS

The installation of this appliance must be carried out by a CORGI Registered person or other competent person and in 

accordance with the requirements of the Gas Safety (Installation and Use) Regulations and the rules in force.

Summary of Contents for Calydra comfort 100

Page 1: ...d Operating Instructions 1 2 3 0 4 bar 1 2 3 0 4 bar c Calydra comfort 100 c c G C N 47 980 21 PLEASE LEAVE THESE INSTRUCTIONS WITH THE END USER GB IE U n i t 3 A T h o r n t o n R o a d I n d E s t a t e O f f H o c k n e y R o a d B r a d f o r d B D 8 9 H Q 0 1 2 7 4 4 8 8 3 8 8 w w w h e a t i n g s p a r e s 2 4 7 c o m ...

Page 2: ...ll your Gas Supplier immediately If you are going away for a long period of time remember to shut the mains gas tap or the gas cylinder valve Before any intervention within the boiler it is first necessary to isolate the electrical power supply by turning the external switch to OFF TO CONTACT C M SERVICE PLEASE CALL THE NATIONAL WARRANTY HELPLINE ON 0870 600 9888 To The Installer As part of the co...

Page 3: ...of the requirements In IE the requirements given under the current edition of I S 813 must be followed installation must also comply with the current bylaws of Local Water Undertakings Installation should also be carried out in accordance with Building Regulations Local Authority Building Standards Scotland Regulations and current editions of the following British Standards Codes of practice BS 75...

Page 4: ... 4 5 6 7 12 13 11 14 Fig 1 K 20 Description conjunction with the Chaffoteaux Maury low pressure instantaneous domestic hot water system The Calydra comfort as well as providing hot water provides central heating The boiler is designed for sealed systems only A one speed circulating pump diverter valve expansion vessel as well as a pressure gauge and safety valve are included within the boiler The ...

Page 5: ...tural Gas G20 in mm 1 28 Calydra comfort 100 Propane L P G G31 Gas rate Maximum in kg h 2 42 Maximum in ft3 h 44 8 Inlet pressure Nominal in mbar 37 Nominal in in wg 14 8 Burner pressure Nominal in mbar 30 4 Nominal in in wg 12 2 Butane L P G G30 Gas rate Maximum in kg h 2 45 Maximum in Lbs h 5 40 Inlet pressure Nominal in mbar 28 Nominal in in wg 11 2 Burner pressure Nominal in mbar 24 Nominal in...

Page 6: ...15 mm J Central Heating flow ø 22 mm K D H W outlet ø 15 mm L Gas supply ø 22 mm M Cold water inlet ø 15 mm N Central Heating return ø 22 mm Outer case dimensions Width 440 minimum space required 450 Height 850 Depth 380 Minimum clearances Both sides 5 mm Above casing 170 mm Below casing 200 mm Front for servicing 500 mm Front in operation 5 mm J K L M N I 54 54 54 54 68 360 260 50 50 738 850 380 ...

Page 7: ...tion of hot water delivery or recovery of the mini cylinder When the boiler has been in standby in hot water mode for some time or when drawing D H W at flow rates of less than 2 l min the temperature in the mini cylinder will eventually decrease and the TSS control thermistor f Fig 6 will call for heat Causing the pump and burner to operate until the TSS thermistor is satisfied 5 Fig 5 Fig 6 Cent...

Page 8: ...car port into the dwelling1200 mm M Vertically from a terminal on the same wall 1500 mm N Horizontally from a terminal on the same wall 300 mm Q Fixed by Ubbink Rolux 4 GM flue terminal It may be necessary to protect the terminal with a guard Reference should be made to the Building Regulations for guidance Suitable guards may be obtained from the following manufacturer Quinnel Barret Quinnel Wire...

Page 9: ...existing boilers such as old Chaffoteaux et Maury models Before fitting the tails onto the connecting bracket please check the correct location of the flow restrictor L fig 10 on the main inlet Safety Valve Drains The pressure relief valve tube is clear silicone It should terminate below the boiler over a tundish or 22 mm pipe see I Fig 4 which should in turn discharge safely outside the premises ...

Page 10: ...across pins as shown Fig 14 After completing the adjustments replace the rubber cover and refit the outer casing C10 C10 C11 C11 C38 C38 F1 F1 F1A F1A J1 J1 J2 J2 J5 J5 MV1 MV1 R67 R67 R72 R72 R73 R73 R75 R75 R76 R76 R85 R85 1 2 HOR N L TH ER M OS TA T N L J1 0 J1 1 23 0 V P3 Fig 13 Fig 12 P3 P4 P5 mini maxi P3 Detail P3 P3 1 3 3 3 P3 1 3 P3 P4 P5 J1 J2 S Connector D T A Mains supply cable Room th...

Page 11: ... WA8 8UD Tel 0151 424 5351 Fernox Manufacturing Britannica Works Clavering Essex CB11 4QZ Tel 01799 550811 System Controls The boiler is electrically controlled and is suitable for most modern electronic time and temperature controls The addition of such external controls can be beneficial to the efficient operation of the system The boiler connections for external controls are 24V and so only con...

Page 12: ...sure by connecting a gas pressure gauge to test point 14 Fig 16 working pressure while boiler is operating in hot water mode Refer to technical data Check the operation of the boiler controls and safety devices see separate servicing leaflet for details Set the by pass Refer to system guidance Re flush the system to remove any dissolved oils and fluxes Recharge system pressure and introduce any wa...

Page 13: ... while the hot water is being delivered The boiler will switch back automatically to heating when the tap is turned off Note If the boiler has been turned off for some time the first attempt to light it may result in a lock out If this happens press the reset button 30 and the boiler will light To Turn Boiler Off Completely 1 Turn the main switch 23 to the off position O 2 Turn the gas service val...

Page 14: ... for Setting the Built in Clock Helpful suggestions Periodically check the system pressure using the pressure gauge and make sure that the pressure is between 1 0 and 1 5 bar when the system is off and cool If the pressure is below the minimum recommended value the pressure must be brought into the acceptable range Consult your installer for checking and refilling the system If the pressure level ...

Page 15: ...external electrical supply check that the gas supply is on should there still be a problem contact your local service centre Contact your local service centre Turn up the room thermostat Wait for a few minutes Press the reset button 36 fig 21 the red led will go out and the boiler attempts to re light If the red indicator lights too frequently please call your local service centre Purge of air the...

Page 16: ...mited MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Internet www chaffoteaux co uk E mail info uk mtsgroup com Technical Support Help Line 0870 241 8180 Customer Service Help Desk 0870 600 9888 This appliance is suitable for Natural gas or LPG A gas conversion must be made by a competent person U n i t 3 A T h o r n t o n R o a d I n d E s t a t ...

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