Table of Contents
Advertisement
M M i i n n i i m m a a H H E E S S y y s s t t e e m m
CONDENSING WALL HUNG SYSTEM BOILER
Installation, Servicing and Operating Instructions
These instructions must be left with the appliance
Manufactures N°
3650010
3650011
Country of destination
Central Heating
compatible with an Indirect Cylinder
Fanned Flue System
Model Type
Minima HE System 24 Nat
Minima HE System 30 Nat
GB
IE
Gas Council N°
41 - 980 - 33
41 - 980 - 34
c
Advertisement
Table of Contents
Related Manuals for Chaffoteaux & Maury Minima HE System 24 Nat
Summary of Contents for Chaffoteaux & Maury Minima HE System 24 Nat
- Page 1 These instructions must be left with the appliance Manufactures N° Model Type Gas Council N° 3650010 Minima HE System 24 Nat 41 - 980 - 33 3650011 Minima HE System 30 Nat 41 - 980 - 34 Country of destination...
-
Page 2: Customer Care
These instructions are suitable for the Minima HE boilers : Chaffoteaux & Maury supports Benchmark, the heating industry code to ensure the correct installation, commissioning and servicing of domestic central heating systems. To The Householder Make sure that your installer completes Section 24 of this manual (page 61), this provides a record of the commissioning of your boiler. -
Page 3: Table Of Contents
Contents CUSTOMER CARE Page Guarantee ................................2 Statutory Requirements ............................2 Contents ................................3 INTRODUCTION ..............................4 USER’S INSTRUCTION ............................5 1 CONTROL PANEL............................5 2 HOW TO USE ..............................6 Switching on and filling ..........................6 Time setting ............................6 Heating ..............................6 Burner ON..............................6 Stand by mode ............................6 Switch OFF .............................6 Anti-freeze and anti-sieze mode ......................7 3 MAINTENANCE ..............................7... -
Page 4: Introduction
SERVICING INSTRUCTIONS 18 REPLACEMENT OF PARTS .........................46 18.1 To Gain General Access........................46 18.1.1 Removing the front panel........................46 18.1.2 Lowering the control panel........................46 18.2 Access to the Combustion Chamber .....................47 18.2.1 Removing the air/gas assembly......................47 18.2.2 Removing the burner ..........................48 18.2.3 Removing the detection electrode ......................48 18.2.4 Removing the ignition electrode......................48 18.2.5 Removing the fan...........................49 18.2.6 Removing the gas valve.........................49... -
Page 5: User's Instruction
USER’S INSTRUCTIONS 1. Control Panel Fig 1 Control panel (Fig.1) Connecting bracket 16.- Pressure Guage Taps shown in Open position (Fig. 2) 25.- Display 26.- On/off push button and power on indicator light 39 : Gas service tap 28.- Reset push button and red indicator lockout light 41 : Central heating flow isolating valve 30.- Central Heating control knob 42 : Central heating return isolating valve... -
Page 6: How To Use
2. How to Use Switching on 1. Check that the pressure in the central heating system is above 0.7 bar and below 1.5 bar on the pressure gauge 16 (Fig. 1) should it be neccessary to re-pressurise the system, ensure the filling loop 45 (Fig. 2) is attached, open the filling taps 43 & 44 (Fig. -
Page 7: Anti-Freeze And Anti-Sieze Mode
Anti-freeze and anti-sieze modes Provided the ON/OFF button is on (green light), the water pressure is adequate and the boiler has not shut down due to an error, the anti-freeze and ant-sieze operations will remain active. When the anti-freeze comes on, one of two codes will be displayed with the snowflake pictogram The two possible codes are 05 (pump anti-freeze) or 06 (burner anti-freeze). -
Page 8: Setting The Time Clocks
6. Setting the Time Clock Setting the Mechanical Clock Fig. 4 Fig. 5 1. General layout The mechanical clock covers a 24 hour period. Each tappet represents 15 minutes A (Fig. 5). An override switch is located on the clock B (Fig 5). 2. -
Page 9: Setting The Digital Clock
6. Setting the Time Clock (continued) Setting the Digital Clock Manual switch Summer and winter time setting Reset Enter Enter switching the hours times Week- days flash Imput Enter time minutes Enter weekday/s Operating the time switch The steps marked with the symbol “ ”... - Page 10 6. Setting the Time Clock (continued) Entering the switching times You have 20 memory Iocations available. Each switching time takes up one memory location. Keep pressing the “Prog” key until a free memory location is shown in the display “– –:– –”. Programme ON or OFF with the “...
-
Page 11: Installers' Instructions
INSTALLER’S INSTRUCTIONS 7. Description 1.- Steel chassis complete with expansion vessel 2.- Sealed chamber 3.- Burner and heat exchanger assembly 4.- Air / gas connection 5.- 24 V modulating fan 6.- Gas valve 7.- Ignition electrode 8.- Ionisation probe 9.- Ignitor 10.- Combustion products manifold 11.- Condense trap 12.- Silencer... -
Page 12: Dimensions
8. Dimensions All dimensions in mm Safety valve C/H and condensate Heating flow Cylinder return Gas supply Cold water supply Heating return Weight with packaging : 24 kW : 34 kg 30 kW : 37 kg Minimum space required 450mm 450 mini pour entretien 296 (24 kW) 360 (30 kW) -
Page 13: Hydraulic Data
9. Hydraulic data The boiler is fitted with an automatic by-pass as standard. The volume of the expansion vessel in a pressurised appliance varies according to: The graphs (Fig. 10) show the development of the pressure available in relation to flow (on exit from the boiler). - the average operating temperature in °C To ensure correct operation, the minimum flow of the - the static height, which is the difference in metres between... -
Page 14: Installation Requirements
10. Installation Requirements Reference Standards must not be allowed to discharge into another room or space In the United Kingdom, the installation and initial start up of such as an outhouse or closed lean-to. the boiler must be by a CORGI Registered installer in accordance with the installation standards currently in effect, Condensing boilers have a tendency to form a plume of water as well as with any and all local health and safety standards... - Page 15 10. Installation Requirements (continued) It must also be possible to be able to completely isolate the MTS suggests the use of suitable anti-freeze products such appliance electrically. Connection should be via a 3 amp as Fernox ALPHI 11, which will prevent rust and incrustation fused double-pole isolating switch with a contact separation taking place.
- Page 16 10. Installation Requirements (continued) iii) Terminating into a gully, below the grid level but above fall. The total length of external pipe used should not exceed the water level. 3 metres. iv) Into a soakaway. Some examples of the type of condensate terminations can be found below.
- Page 17 10. Installation Requirements (continued) 3. External termination of condensate drainage pipe via internal discharge branch (e.g. sink waste - proprietary fitting) 4. External termination of condensate drainage pipe via condensate siphon...
-
Page 18: Installing The Boiler
11. Installing the Boiler Please check that you are familiar with the installation requirements before commencing work (Section 10). The installation accessories described in the following list are included in the boiler packaging: - Hanging bracket - A paper template (showing the dimensions of the boiler with 5 mm side clearances) - Connection tails and valves - Screws and washers - Connection washers... - Page 19 11. Installing the Boiler (continued) Fig. 13 Fig. 14 Fig. 15 Fig. 16...
-
Page 20: Connecting The Flue
12. Connecting the Flue The boiler should only be installed with a flue system supplied by MTS (GB) Limited. These kits are supplied separately to the appliance in order to respond to different installation solutions. For more information with regard to the inlet/outlet accessories consult the accessory catalogue. The boiler is supplied ready for connection to a concentric flue system. -
Page 21: Fitting The Coaxial Flue (Ø 60/100 Horizontal)
12.1 Fitting the coaxial flue (Ø 60/100 Horizontal) ONTENTS (60mm) ILICONE LBOW & E EALS NTERNAL XTERNAL - 60/100) IPE INCLUDING ERMINAL METRE LAMP CREWS 1x Seal Once the boiler has been positioned on the wall, insert the elbow into the socket and rotate to the required position. : It is NOTE possible to rotate the elbow 360... - Page 22 Fig. 21 Fig. 22 Fig. 23...
-
Page 23: Fitting The Coaxial Flue (Ø 60 / 100 Vertical)
12.3 Fitting the Coaxial Flue (Ø 60 / 100 Vertical) EE PAGE FOR MAXIMUM AND MINIMUM FLUE RUNS ONTENTS (60mm) ILICONE (60/100mm) ONICAL DAPTOR (80/125mm) ERTICAL CREWS The vertical flue kit is supplied with a specially designed weather proof terminal fitted, it can be used either with a flat roof or a pitched roof. -
Page 24: Fitting The Twin Pipe Flue (Ø80/80)
12.4 Fitting the twin pipe flue (Ø80/80) EE PAGE FOR MAXIMUM AND MINIMUM FLUE RUNS ABLE Where it is not possible to terminate the flue within the distance permitted for coaxial flues, the twin flue pipe can be used by fitting a special adaptor to the flue connector and using the aperture for the air intake located on top of the combustion chamber. - Page 25 12.4 Fitting the twin pipe flue (Ø80/80) (continued) 123.5 Fig. 28 In the event that twin flue pipes are used, and the boiler has a side clearance of less than 60mm from the wall, it is necessary to cut a larger diameter hole for the flue pipe, this should be ø100 mm, this will then allow for easier assembly of the air intake elbow and the tube outside the wall (see Fig.
- Page 26 12.4 Fitting the twin pipe flue (Ø80/80) (continued) RAWINGS ARE INDICATIVE OF FLUEING OPTIONS ONLY AIR INTAKE MUST NOT BE FITTED ABOVE THE EXHAUST AIR INTAKE EXHAUST AIR INTAKE Fig. 30...
-
Page 27: Electrical Connections
13. Electrical Connections Making the Electrical Connections Lower the electrical box to gain access to the elec- trical connections. Push in the tabs P (Fig. 31) on either side of the boiler and pivot the box forward. If using a room thermostat or other external control, they can be connected in place of the link on the ter- minal block (Diagram A- Fig. - Page 28 13. Electrical Connections (continued) If a remote time clock is to be fitted, using a volt-free switching time clock, remove the link wire and connect the switching wires from the time clock following the points opposite above (see also Diagram B Fig. 33). If using an external time clock and room thermostat, remove the link wire and connect in series as above (see also Diagram C Fig.
-
Page 29: Fitting The Mechanical And Digital Time Clocks
13. Electrical Connections (continued) 13.1 Fitting the Mechanical and Digital Time Clocks To fit the integral time clock it is necessary to proceed as follows; (this should only be carried out by a competent engineer) Isolate the electical supply to the appliance; Remove the front panel as described in Section 18.1.1;... -
Page 30: Connecting Zone Valves
13. Electrical Connections (continued) 13.2 Connecting Zone Valves (MINIMA HE System only) The boiler can be connected to a central heating system that uses two zone valves to allow connection to an indirect storage cylinder. There are two wiring diagrams shown, one for the connection to an Unvented Cylinder (Diagram. - Page 31 IRING IAGRAM FOR ONNECTION TO AN ENTED YLINDER IAGRAM...
- Page 32 IRING IAGRAM FOR ONNECTION TO AN NVENTED YLINDER IAGRAM...
-
Page 33: Commissioning And Testing
14. Commissioning and Testing 14.1 Initial preparation efficiency of the thermic exchange because small areas MTS (GB) Limited support the initiative. In of scale cause a high increase of the temperature of the Sections 24 and 25 (pages 60 and 61) of this manual the metallic walls and therefore add to the thermal stress of Commissioning Checklist and Service Interval the heat exchanger. -
Page 34: Adjusting The Co
14. Commissioning and Testing (continued) has been bled from the system; 14.4 Gas Conversion - Loosen the cap on the head of the pump to eliminate any air pockets; To convert from Natural Gas (G20) to LPG (G31), it is - Repeat the procedure for bleeding the radiators of air;... -
Page 35: External Sensor Set-Up
14.7 External sensor set-up (where fitted) When using an outdoor sensor, the microprocessor- controlled PCB will select the most suitable flow temperature, taking into account the external temperature and the type of system. The microprocessor is capable of doing this because it is possible to establish a link between the external temperature and the flow temperature of the Central Heating system water. -
Page 36: Operational Checks
14. Commissioning and testing (continued) 14.10 Operational checks 14.11 Instructing the end user 1. The system must be visually checked for soundness; 1. Hand over these instructions and explain how to use the time clock and room thermostat (if fitted) and explain how 2. -
Page 37: Fitting The Casing
14. Commissioning and testing (continued) 24 kW 30 kW 35 kW 22.4 32.5 20.8 19.2 27.5 17.6 22.5 14.4 12.8 17.5 11.2 12.5 9 10 Fig. 44 Steps (Value P min - P max - Menu 4) 15. Fitting the casing Fitting the casing Remove the protective film on the casing;... -
Page 38: Sequence Of Operation
16. Sequence of operation Central Heating Mode Activation of the time clock and/or room thermostat starts the boiler. The display panel indicates the flow temperature in the Central Heating system as illustrated below: Central heating mode ON Room thermostat contact ON The PCB checks the pressure of the primary circuit, if the pressure measured is 0.8 bar or lower, the boiler will lockout after 40 seconds. -
Page 39: Adjustments And Settings
17. Adjustments and Setting The boiler is delivered with preset values described in Menus 3 and 4. All settings can be changed by the installer or a qualified person. To gain access to the setting keys please, open the front cover P (Fig. 46). Fig. - Page 40 DISPLAY ACTION CONFIGURATION Menu - 1 - Default register 5 ” Record the last 10 defaults Section Digit 1 Digit 2 Digits 3 and 4 Last default occured code from 01 to 99 code from 01 to 99 Last but one default occurred code from 01 to 99 x times Last default occurred before the previous...
- Page 41 ACTION CONFIGURATION DISPLAY Menu - 3 - Boiler options once Section Digit 1 Digit 2 Digits 3 and 4 x times 0 : No Thermostatic device 1 : Yes 1 : Fitted Integral time clock 2 : Not Fitted...
- Page 42 ACTION CONFIGURATION DISPLAY Menu - 4 - Boiler settings once Section Digit 1 Digit 2 Digits 3 and 4 0 : Yes Continuous pump run 1 : No x times 0 to 5 min by step Pump overrun duration 0.5 min Maximum Central Heating flow 50°C to 80°C temperature...
- Page 43 ACTION CONFIGURATION DISPLAY Menu - 5 - Combustion rate control mode Effect Display once Combustion rate control mode OFF Combustion rate control mode ON The main exchanger temperature appears on the display. The digit - on the display shows the gas output level.
- Page 44 ACTION CONFIGURATION DISPLAY Menu - 6 - External Sensor Settings once Section Digit 1 Digit 2 Digit 3 and 4 0 : External sensor fitted External Sensor Fitted 1 : No external sensor (factory setting) x times 0 : Inactive - External Sensor not Automatic heating fitted (factory setting) adjustment active...
- Page 45 17. Adjustments and Setting (continued) CH anti cycling delay setting : If you would like to change the setting of CH anti cycling delay to 3 mins, please proceed as follows: : the factory setting is 2 min 30 seconds and the following explanation refers to Menu 4 Section 8) NOTE Display 5 ”...
-
Page 46: Servicing Instructions
SERVICING INSTRUCTIONS To ensure efficient safe operation, it is recommended that the boiler is serviced annually by a competent person. Before starting any servicing work, ensure both the gas and electrical supplies to the boiler are isolated and the boiler is cool. -
Page 47: Access To The Combustion Chamber
18.2 Access to the Combustion Chamber 18.2.1 Removing the air gas assembly 1. Carry out step 18.1.1; 3. Disconnect the detection 4. Remove the earth cable from the 2. Remove the silencer (Fig. 51); electrode cable (Fig. 52); ignition electrode (Fig. 53), and remove the ignition electrode cable from the ignitor (Fig. -
Page 48: Removing The Burner
18.2.2 Removing the burner 1. Carry out step 18.1.1 and 18.2.1; 3. Slide the burner out from the 4. Reassemble in reverse order, 2. Remove the 3 screws F from the front, taking care not to damage check all seals are undamaged air/gas manifold (Fig. -
Page 49: Removing The Fan
18.2.5 Removing the fan 1. Carry out step 18.1.1; 3. Unscrew the two screws on the 4. Unscrew the three screws K on 2. Remove the air gas manifiold as venturi J and remove with the the air/gas pipe and remove in 18.2.1 (Fig. -
Page 50: Removing The Heat Exchanger
18.2.7 Removing the heat exchanger 4. Unscrew the three bolts M from 5 .Remove the flow and return 1. Drain down the boiler; the main heat exchanger (Fig. pipes and the condense drain 2. Carry out step 18.1.1; 77); pipe from the heat exchanger. 3. -
Page 51: Access To The Water Circuit
18.3 Access to the Water Circuit Important! Before any component is removed, the boiler must be drained of all water. 18.3.1 Drain down Close the flow and return isolating valves and open the pressure relief valve. 18.3.2 Removing the Central Heating return body 1. -
Page 52: Removing The Pump
18.3.3 Removing the pump 1. Carry out step 18.1.1; 6. Unscrew the pump nut (see Fig. 89); 2. Lower the electrical box cover as in step 18.1.2; 3. Remove the PCB cover; 4. Remove the pump plug from the control board and earth plug from the earth socket (see Fig. -
Page 53: Removing The Domestic Expansion Vessel
18.3.5 Removing the expansion vessel 5. Unscrew the nut U (see Fig. 94); 1. Carry out step 18.3.1; 6. Pull the expansion vessel toward you to 2. Isolate the gas supply and disconnect all remove it; pipe connections; 7. Reassemble in reverse order, testing all 3. -
Page 54: Removing The Pressure Gauge
18.3.8 Removing the pressure gauge 18.3.9 Removing the water pressure switch 1. Carry out steps 18.3.1 and 18.3.3; 1. Carry out steps 18.1.1 and 18.3.1; 2. Remove the pressure gauge by releasing the two 2. Pull off the connections and remove the pressure clips V and pulling the pressure gauge out. -
Page 55: Removing The Fuses
6. To remove the display PCB, remove the two 8. To remove the main PCB disconnect all electrical screw W4 and lift the PCB out (see Fig. 103); connections and remove the two screws W5 (see 7. Reassemble in reverse order; Fig. -
Page 56: Error Codes
19. Error Codes In case of an error, or when the boiler has to display a message, the display flashes 2 digits. Please refer to the table below to diagnose the default. For default 01 and 03, A appears on the display, the boiler is locked and the red button lights (28). To reset the boiler press key Overheating lock out FAULT Fig. -
Page 57: Incorrect Operation
20. Incorrect Operaton Fault Cause Solution Check gas, water and electrical The boiler doesn’t start No gas, no water or no electricity supplies and fuses. Follow the procedure in Section 14.2 Air in the gas pipe (page 32) Room thermostat switched off Turn up the room thermostat Wait for a few minutes Press the reset button 28 (Fig. -
Page 58: Maintenance Instructions
21. Maintenance Instructions 21.1 General remarks 21.2 Cleaning the primary exchanger Cleaning the exhaust side It is recommended that the following inspections be carried out on the boiler at least once a year; Remove the air gas assembly (Section 18.2.1). Check that 1. -
Page 59: Short Spares List
21. Maintenance Instructions 21.1 General remarks 21.2 Cleaning the primary exchanger Cleaning the exhaust side It is recommended that the following inspections be carried out on the boiler at least once a year; Remove the air gas assembly (Section 18.2.1). Check that 1. -
Page 60: Technical Data
23. Technical data Model Minima HE System 24 Minima HE System 30 CE certificate 1312-BP-4083 1312-BP-4084 Performance category **** **** NoX class Category II2H3P II2H3P Heating output 80°C/60°C 7 to 24 9 to 29 Heating output 50°C/30°C 7 to 26 9 to 32 Variable heating power PN max... -
Page 61: Benchmark Commissioning Checklist
24. Benchmark Commissioning Checklist... -
Page 62: Service Interval Record
25. Service Interval Record... -
Page 64: Terms And Conditions Of Guarantee
ERMS AND ONDITIONS OF UARANTEE Please read these terms and conditions which are in On the 12 month anniversary of the appliance addition to any terms and conditions detailed in this book installation, you must have it serviced to continue any or any registration card supplied with your appliance.