GENUS HE 35 Plus GENUS HE 35 Plus BFFi Installation and Servicing Instructions Type C Boilers G.C.
TABLE OF CONTENTS 1. General Information 16. Gas Convertion 2. Control Panel 17. Maintenance 3. How to Use 18. Servicing Instructions 18.1 Replacement of Parts 4. Anti-Frost Device 5. Maintenance 6. Trouble Shooting 7. 8. Time Clock 8.1 8.2 Setting the Mechanical Clock Setting the Digital Clock 9. General Information for the Installer 9.1 Overall View 10. Installation 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.
1. GENERAL INFORMATION These instructions are suitable for the GENUS HE 35 Plus boilers : Do not forget the Log Book! MTS supports Benchmark, the heating industry code to ensure the correct installation, commissioning and servicing of domestic central heating systems. To The Householder Make sure you have a completed Log Book for your boiler. This provides a record of the commissioning of your boiler.
USER INSTRUCTIONS 2. CONTROL PANEL 26 48 29 27 30 46 Control panel (Fig. 2.1) ON/OFF 31 2 1 24 23 12 5 21 6 I 7 19 9 20 8 18 9 17 32 28 COMFORT 22 4 3 RESET 37 15 14 13 10 16 6 12 11 34 33 35 36 26. - On/off push button 27. - Reset push button 28. - domestic hot water function and COMFORT tank on/off button 29. - burner operation green indicator light 30. - red indicator lock-out light 31. - yellow indicator - Comfort button 32.
3. HOW TO USE 39 Switching on 1. Check that the pressure in heating system is adequate, i.e. the pressure gauge 37 shows 1 bar minimum and 1.5 bar maximum. 2. Check that the gas service tap 39 (Fig. 3.1) is opened (Figs. 3.2 and 3.3) and that the mains power is on, On/Off push button 26 Power ON. The boiler is now ready to use. Note : If the boiler has been turned off for some time, the presence of air in the gas pipe may result in a lockout. FIG. 3.2 FIG. 3.3 + + FIG. 3.
Regulation of Domestic hot water To obtain Domestic hot water, press the button (yellow LED comes on) COMFORT COMFORT 28 To adjust the Domestic hot water temperature in winter or summer operation, use the knob 33. It is possible to determine the temperature of water stored in the tank between 40°C and 70°C. 33 COMFORT 28 Interruption of heating To interrupt heating, turn the knob 32 to the sun position . The boiler will continue to operate in the summer position to provide Domestic hot water only.
6. This boiler is fitted with safety devices which are activated in certain situations and cause the boiler to stop operating. TROUBLE SHOOTING CONDITIONS FOR STOPPAGE OF THE BOILER There are two types of stoppage: - Operating failure (A) - Safety stop (E) OPERATING STOPPAGE "A" This type of stoppage is displayed in the form of a number preceded by a letter (A) as shown in the following table. To clear this type of stoppage, press the reset button (Reset).
. TIME CLOCK 8.1 Setting the Mechanical Clock 1. General layout The mechanical clock covers a 24 hour period. Each tappet represents 15 minutes A (Fig 8.1). An override switch is located on the clock B (Fig 8.1). 2. To set the time To set the time of day, grasp the outer edge of the dial and turn slowly clockwise until the correct time is lined up with the arrow C (Fig. 8.1). 3. To Set the "On" and "Off" times The clock uses a 24hours system. e.g. 8 = 8.00 am and 18 = 6.
Setting the Digital Clock Manual switch Summer and winter time setting Reset Enter switching times Enter the hours h Prog . 8.2 Weekdays flash m Imput time Enter minutes Day Enter weekday/s Automatic Operation Manual Operation Continuous Operation = ON = ON = Continuously ON = OFF = OFF = Continuously OFF The switching times correspond to the program entered.
Programme ON or OFF with the “ ” key: “ ”= OFF; “ ”= ON Enter the hour using “h” Enter the minutes using “m” If a switching command is to be carried out every day (1 2 3 4 5 6 7) then store using the “ ” key, otherwise select the day(s) it is to be carried out by using the “Day” key. When the day seIection is left bIank, the programmed switching instruction operates at the same time every day 1 2 3 4 5 6 = Monday – Saturday 12345 = Monday – Friday 67 =Saturday – Sunday Selection of single days: 1 = Mon. ...
INSTALLER INSTRUCTIONS 9. GENERAL INFORMATION FOR THE INSTALLER Read the instructions and recommendations in these Installation and Servicing Instructions carefully to ensure proper installation, use and maintenance of the appliance. Keep this manual in a safe place. You may need it for your own reference while Servicing Technicians or your installer may need to consult it in the future. This is a combined appliance for the production of central heating (C.H.) and domestic hot water (D.H.W.).
9.1 OVERALL VIEW 1. - sheet steel casing 9 2. - pressurised expansion tank 1 12 24 4. - burner/exchanger assembly 5. - 24 V fan 4 6. - air/gas connection assembly 8 3 7. - ignition electrodes 13 7 8. - flame detection electrode 9. - stainless steel Domestic hot water tank 17 15 5 16 6 19 14 22 21 23 18 25 2 10 11 12 3.- sealed casing 20 FIG. 9.1 10. - circulation pump 11.- electronic control unit 12. - ignition transformer 13.- overheat cut-off 14. - gas valve 15.
10. INSTALLATION The technical information and instructions provided herein below are intended for the installer / Servicing Technician so that the unit may be installed and serviced correctly and safely. 10.1 Delivery There will be two items: 1 - The fully assembled boiler 2 - A separately boxed connection kit 10.2 Reference Standards WATER REGULATIONS In GB it is necessary to comply with the Water Supply (Water Fittings) Regulations 1999, for Scotland, The Water Bylaws 2000, Scotland.
and in the Republic of Ireland in accordance with the following Codes of Practice: I.S.
The type C appliances (in which the combustion circuit, air vent intake and combustion chamber are air-tight with respect to the room in which the appliance is installed) can be installed in any type of room. Secondary ventilation is not required with this boiler. The boiler must be installed on a solid, non-combustible, permanent wall to prevent access from the rear.
10.6 Mounting the Appliance After removing the boiler from its packaging, remove the template from the separate box containing the connection kit. NOTE: Pay particular attention to any test water that may spill from the appliance. 44 39 40 41 38 42 43 FIG. 10.2 Legend: 39 = Gas service tap 40 = Heating return 41 = Heating flow 42 = Water service tap 43 = Tank hot water flow 38 = Water tank valve 44 = Heating valve 10.
Warning, this appliance must be earthed. External wiring must be correctly earthed, polarised and in accordance with relevant regulations / rules. In GB this is the current I.E.E. WIRING REGULATIONS. In IE reference should be made to the current edition of the ETCI rules. This boiler is supplied for connection to a 220 - 240 V~ 50 Hz supply. The supply must be fused at 3 A.
System Design: This boiler is suitable only for sealed systems. Drain Cocks: These must be located in accessible positions to permit the draining of the whole system. The taps must be at least 15 mm nominal size an manufactured in accordance with BS 2870:1980.
iii) Discharges at high level; I.e. into a metal hopper and metal down pipe with the end of the discharge pipe clearly visible (tundish visible or not). Or onto a roof capable of withstanding high temperature discharges of water 3 m from any plastic guttering systems that would take such a discharge (tundish visible).
It can accept up to 7l (1.5 gal) of expansion water. If the heating circuit has an unusually high water content, calculate the total expansion and add an additional sealed expansion vessel with adequate capacity. Domestic Water: The domestic water must be in accordance with the relevant recommendation of BS 5546:1990. Copper tubing to BS EN 1057:1996 is recommended for water carrying pipe work and must be used for pipe work carrying drinking water.
o Residual Head of the Boiler ΔT = 20 C Operating Pressure m/H2O mCE 6 Minimum flow (thermostatic valves closed) 5 GV 4 3 PV 2 1 0 100 200 300 500 400 600 700 800 900 1000 1100 1200 l/h Fig. 10.5 16 7 12 A BC D E F 6 5 1 3 Pressure Reducing Valve V 13 Cold Water Inlet 4 Other Users 2 9 8 8 10 11 Drain Tap (at lowest point) Fig. 10.6 ABCDEF1234- Gas Inlet C.H. Return C.H. Flow D.H.W. Secondary Return D.H.W. Flow C.W.
11. 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.
NOTE: THE FLUE MUST TERMINAL MUST LEAST 2 METRES FROM ANY BE AT 136 OPENING IN A BUILDING OPPOSITE AND SHOULD NOT DISCHARGE ACROSS BOUNDARIES. IN ADDTION TO THIS, THE FLUE MUST NOT TERMINATE IN A PLACE LIKELY TO CAUSE NUISANCE. Fig. 11.2 In addition, it is also possible to use a split system by fitting a special adapter to the flue discharge collar and using one of the apertures for the air vent intake located on the top part of the combustion chamber. Fig.11.
11.1 Fitting the coaxial flue (Ø 60/100 Horizontal) CONTENTS: 1X SILICONE O-RING (60mm) 1X ELBOW (90 ) 2X WALL SEALS (INTERNAL & EXTERNAL) 1X FLUE PIPE INCLUDING TERMINAL (1 METRE - 60/100) 1X FLUE CLAMP 1X SCREWS 1x Seal Once the boiler has been positioned on the wall, insert the elbow into the socket and rotate to the required position. possible to rotate the elbow 360o on its vertical axis. O NOTE: It is Using the flue clamp, seals and screws supplied (Fig 11.5) secure the elbow to the boiler.
11.2 Fitting the Coaxial Flue (Ø 60 / 100 Vertical) NOTE: SEE PAGE 28 FOR MAXIMUM AND MINIMUM FLUE RUNS. CONTENTS: 1X SILICONE O-RING (60 mm) 1X CONICAL ADAPTOR (60/100 mm) 1X VERTICAL FLUE KIT (80/125 mm) 3X SCREWS 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. The Vertical flue kits useable lengths with the pitched roof flashings are indicated in Fig. 11.6.
11.3 Fitting the 5” Flue (Ø 80 / 125 Horizontal/vertical) Should the flue require extending, the flue connections are push fit, however, one flue bracket should be used to secure each metre of flue. NOTE: SEE PAGE 28 FOR MAXIMUM AND MINIMUM FLUE RUNS. Once the boiler has been positioned on the wall, it is necessary to insert the Ø80/125 adaptor (FIG. 11.8) for both horizontal and vertical flue runs into the boiler flue socket (not supplied with flue kit - Part No 3318095).
11.4 Fitting the twin pipe (Ø80/80) NOTE: SEE PAGE 28 FOR MAXIMUM AND MINIMUM FLUE RUNS (TABLE C) 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. Always ensure that the flue is adequately supported, avoiding low points. (MTS supply suitable clamps as Part No. 705778).
123,5 107 200 25 ø 100 Fig. 11.14 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. 11.14). 60 mm Fig. 11.15 TABLE A TABLE B Concentric outlet 60/100 Min length Max. length 35 kW 0.3 m 4m Concentric outlet 80/125 Min length Max.
TYPE 1 TYPE 4 TYPE 3 TYPE 2 TYPE 5 FIG. 11.16 NOTE: DRAWINGS ARE INDICATIVE OF FLUEING OPTIONS ONLY. AIR INTAKE MUST NOT BE FITTED ABOVE THE EXHAUST AIR INTAKE EXHAUST AIR INTAKE FIG. 11.
12. ELECTRICAL CONNECTIONS The 220-240 V and earth connection are made by using the lead provided C (Fig. 12.1) C IMPORTANT!! CONNECTION SHOULD BE MADE VIA A 3 AMP FUSED DOU- BLE POLE ISOLATING SWITCH WITH CONTACT SEPERATION 3MM ON BOTH POLES. ALTERNATIVELY, A 3 PIN PLUG AND UNSWITCHED SOCKET MAY BE USED, PROVIDED IT IS NOT USED IN A ROOM CONTAINING A BATH OR SHOWER. IT SHOULD ONLY SUPPLY THE APPLIANCE. OF AT LEAST FUSED 3 AMP, External Controls Open the cover B with a screwdriver (Fig. 12.
Outside sensor NE N W E S 05/2006 H 1/2 H 05/2006 05/2006 FIG. 12.
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15. COMMISSIONING 15.1 Initial Preparation MTS (GB) Limited support the initiative. Within the information pack you will find a copy of the Log Book. It is important that this is completed in the presence of your customer, they are shown how to use it, and it is signed by them. Please instruct your customer that they must have their Log Book with them whenever they contact a service engineer or us.
When the installation and filling are completed, flush the system while cold, refill, turn on the Central Heating system (SECTION 3) and run it until the temperature has reached the boiler operating temperature. The system must then be immediately flushed through. The flushing procedure must be in line with BS 7593:1992 code of practice for treatment of water in domestic hot water central heating systems.
15.3 Removal and fitting of the case Servicing A A Removal of the case - undo the 4 case retaining screws (Fig. 15.2) - disengage the clips - remove the case A A A A FIG. 15.2 detail A A Fitting the case Remove the protective film from the front and rear of the case - position the case (Fig. 15.3) - engage both clips in the case (see detail) - fasten the 4 retaining screws A on the front FIG. 15.
15.4 Pressurisation (fig. 15.5) Domestic hot water circuit - open cold water tap 40 - drain the hot water tank and appliance by drawing off from the various hot water taps.
15.6 Settings Display: display of operations in progress (fig. 15.7) During operation of the boiler, in other words when it is performing its normal functions, the left side of the display shows a series of characters referring to the operations, as indicated below: Left-hand display < Right-hand display R 0 No heat command C Heating c Pump in post-circulation mode for heating d Domestic hot water h Pump in post-circulation mode for Domestic hot water b Tank reheating COMFORT Fig. 15.
MENU TABLE Parameter Function Adjustment range Factory settings 55 1 Ignition power as % 00 to 99 % (step: 1%) 2 Maximum heating power (%) 00 to 99 % (step: 1%) 66 3 Anti-cycle timer (minutes) 00 to 07 minutes (step: 1 minute) 02 4 Minimum heating outlet temperature 25° to 42 °C if parameter r = 00 42° to 81 °C if parameter r = 01 42 5 Maximum heating outlet temperature 26° to 75 °C if parameter r = 00 43° to 82 °C if parameter r = 01 82 6 Not used 00 to 99 45 tS E@sy remote surve
Ignition power output setting1 This parameter limits the power of the boiler in the ignition phase. Possibility of adjusting ignition between maximum power (display of "99", i.e. 100%) and minimum power (display of "00", i.e. 0%). The percentage expresses the usable power value between the minimum and maximum power value. Use the and buttons in menu 1 to select the required value. The factory-set value is given in the menu table.
Selection of Secondary Output operationE Only activated if peripheral interface card connected (option) For connection of peripherals to the motherboard, refer to the user instructions for the Clima Manager or the external sensor. Parameter E is altered by the and programming buttons. 00 Zone valve - factory setting 01 NOT USED 02 NOT USED 03 NOT USED Circulation pump post-circulationP The appliance allows variation of the post-circulation period of the circulation pump after extinction of the burner.
Adaptation of the selected thermal curveP 6 (Only activated if the external sensor is installed) To adapt the thermal curve to the appliance requirements, by selecting the P 6 parameter it is possible to perform a parallel shift of the curve in order to alter the calculated outlet temperature and therefore the environmental temperature. When the screen displays P 6, by using the heating setting button it is possible to perform a parallel shift of the curve as shown below.
Test functionT The boiler can be turned to maximum or minimum power without activating the test function by using the settings menu: a - press the reset button RESET for 5 seconds to automatically turn the boiler to its maximum power; the screen will display two dashes in the middle and to the right of the screen. To deactivate this function press the RESET button again.
15.7 Operating faults The boiler is protected against the risk of breakdown by internal checks carried out by the microprocessor which, if necessary, will activate a safety shutdown. If the appliance stops working, the screen will display a code corresponding to the type of stoppage and its cause.
Display CAUSE S 01 Flame not detected on first attempt S 02 Flame not detected on second attempt S 04 Open circuit on Domestic hot water sensor S 05 Short circuit on Domestic hot water sensor S 06 Flame separation S 25 Tank sensor open S 26 Tank sensor short circuit S 27 Tank overheating S 30 External sensor open circuit S 31 External sensor short circuit S 80 Open circuit or short circuit on room sensor of the Clima Manager remote control Display CAUSE E 02 Insufficient water pre
16. GAS CONVERSION In the event of converting to a gas type other than that for which the boiler has been designed, the parts delivered with the conversion kit must be fitted. 17. MAINTENANCE It is recommended that the following checks be made on the boiler at least once a year: 1 - Check the seals for the water connections; replacement of any faulty seals. 2 - Check the gas seals; replacement of any faulty gas seals. 3 - Visual check of the entire unit.
18. Servicing Instructions A 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. Before and after servicing, a combustion analysis should be made via the flue sampling point (please refer to Section 15.8). After servicing, preliminary electrical system checks must be carried out to ensure electrical safety (i.e.
18.3 Access to the Control System 18.3.1 Removing the main P.C.B. 1. Isolate electricity and carry out step 18.2.1 ; 2. Open the control box by pushing on the 2 right clips “B1” (see Fig. 18.6 ); 3. Push on the pressure gauge to disengage it; 4. Disconnect as possible the connectors on the P.C.B. ; 5. Compress the three peripheral plastic parts “B2” to unlock the fitting P.C.B. , and pull it toward you simultaneously (see Fig. 18.7); 6. Disconnect the remaining connectors (see Fig. 18.8 ); 7.
18.3.3 Removing the fuses 1. 2. 3. 4. Isolate electricity and carry out step 18.2.1; Open the control box as in step 18.3.1 (see Fig. 18.6); Remove the fuses “C” (see Fig.18.12); Reassemble in reverse order. C Fig. 18.12 18.3.4 Removing the time clock To fit the integral time clock it is necessary to proceed as follows; (this should only be carried out by a competent engineer) 1. Isolate the electrical supply to the appliance; 2. Remove the front panel as described in step 18.2.1; 3.
18.4 Access to the Combustion Chamber 18.4.1 Removing the combustion chamber front panel 1. Carry out step 18.2.1; 2. Unlock the three clamp locking bolts “D” and remove the casing (see Figs. 18.16 and 18.17); 3. Reassemble in reverse order. D D Fig. 18.16 Fig. 18.17 18.4.2 Removing the air gas assembly 1. Isolate the gas supply to the boiler; 2. Carry out step 18.2.1; 3. Remove the silencer (Fig. 18.18); 4. Disconnect the detection electrode cable (Fig. 18.19); 5.
18.4.3 Removing the burner 1. Carry out step 18.2.1 and 18.4.1; 2. Remove the 3 screws “F” from the air/gas manifold (Fig. 18.27); 3. Slide the burner out from the front, taking care not to damage the insulation (Fig. 18.28); 4. Reassemble in reverse order and checking all seals are undamaged and the burner is positioned correctly (Fig. 18.29). F Fig. 18.28 Fig. 18.27 Fig. 18.29 18.4.4 Removing the detection electrode 1. Carry out step 18.2.1; 2.
18.4.6 Removing the fan 1. Carry out step 18.2.1; 2. Remove the air gas manifiold as in 18.4.2 (Fig. 18.36); 3. Unscrew the two screws from the venturi “J” and remove with the gas valve (Fig. 18.37); J Fig. 18.36 4. Unscrew the three screws “K” on the air/gas pipe and remove (Fig. 18.38); 5. Reassemble in reverse order. K Fig. 18.37 Fig. 18.38 18.4.7 Removing the gas valve 1. Carry out step 18.2.1; 2. Remove the air gas manifiold as in 18.4.2 (Fig. 18.39); 3.
18.4.8 Removing the heat exchanger 1. Carry out step 18.2.1; 2. Remove the air gas manifiold as in step 18.4.2 (Fig. 18.43); 3. Unscrew the three bolts “M” from the main heat exchanger (Fig. 18.44); 4. Remove the flow and return pipes and the condense drain pipe from the heat exchanger. (Fig. 18.45); M Fig. 18.43 Fig. 18.44 Fig. 18.45 5. Remove the heat exchanger from the boiler by sliding out. (Fig. 18.46); 6. Reassemble in reverse order. Fig. 18.46 18.4.9 Removing the spark generator 1.
18.5 Access to the Water Circuit Important ! Before any component is removed (except the 3 way valve motor), the boiler must be drained of all water. 18.5.1 Drain down For the primary circuit : 1. Carry out steps 18.2.1 & 18.2.2; 2. Open the pressure relief valve (on the pump) (see Fig. 18.50) or the drain screw “P1” on the right hydraulic block (see Fig.18.51); For the D.H.W. circuit : 1. Close the water inlet tap; 2. Open a D.H.W. hot water tap; 3. Open the drain screw “P2” on the boiler (see Fig. 18.
18.5.3 Removing the heating return filter 18.5.4 Removing the by-pass 1. Unscrew 1/4 ball screw “R” (see Fig. 18.56); 2. Pull it down (see Fig. 18.57); 3. Reassemble in reverse order. 1. Carry out steps 18.2.1 and 18.2.2; 2. Remove the heating filter as in step 18.6.3 ; 3. Remove the clip and pull out the By-pass (see Fig. 18.58 and 18.59); 4. Reassemble in reverse order. R Fig. 18.56 Fig. 18.58 Fig. 18.57 Fig. 18.59 18.5.5 Removing the pressure relief valve (3 bar) 1. Carry out steps 18.2.
18.5.7 R e m o v i n g t h e t e m p e r a t u r e a n d pressure relief valve (7 bar) 1. Unscrew the nut and then unscrew the valve (see Fig. 18.63); 2. Reassemble in reverse order. Fig. 18.63 18.5.8 Removing & cleaning the condensate trap 1. Unscrew the cap of the condensate trap (see Fig. 18.64) 2. Empty the condensate products and rinse the condensate trap with clean water (see Fig. 18.65) 3.
18.5.10 Removing the pump 1. Carry out step 18.2.1; 2. Open the electrical box cover as in step 18.3.1 (Fig. 18.6); 3. Remove the pump plug from the control board and earth plug from earth socket “T1” (see Fig. 18.69); 4. Remove the pressure relief valve 3 bar as in step 18.6.5; 5. Unscrew the pump nut “T2” and remove the two clips “T3” on the pump volute (see Fig. 18.70); 6. Pull the pump toward you and remove the clip “T4” securing the pressure gauge (see Fig. 18.71 ); 7. Reassemble in reverse order.
18.5.13 Removing the overheat thermostat 1. Remove the casing as in step 18.2.1; 2. Pull off the thermostat connections. Then remove the thermostat from the pipe by releasing it’s securing clip (see Fig. 18.78); 18.5.14 Removing the temperature sensors (N.T.C’s) 1. Remove the casing as in step 18.2.1; 2. Pull off the NTC connections. Then remove the NTC from the pipe by releasing it’s securing clip (see Fig. 18.79). Fig. 18.78 Fig. 18.79 18.5.15 Removing the tank temperature sensor 18.5.
18.5.18 Removing the DHW temperature sensor 1. Carry out step 18.2.1; 2. Turn the sensor support anticlockwise to liberate it (see Fig.18.85); 3. Remove the connections (see Fig.18.86); 4. Reassemble in reverse order. Fig. 18.85 Fig. 18.86 18.5.19 Removing the non return valve 1. Carry out steps 18.2.1 and 18.2.2; 2. Remove the clip “X1” to liberate the DHW expansion vessel (see Fig. 18.87); 3. Remove the two clips “X2” and remove the pipe (see Fig. 18.87); 4.
18.5.21 Removing the tank 1. Remove the casing as in steps 18.2.1 and 18.2.2; 2. Remove all clips, nuts (No. 24, 25, 30 spanner) and eletrical connections (sensor) from the tank (see Fig. 18.93 & 18.94); - Temperature and relief valve (7bar) in step 18.5.6 - Pressure relief valve (7bar) in step 18.5.7 - DHW expansion vessel in step 18.5.12 - Tank temperature sensor in step 18.5.15 - DHW temperature sensor in step 18.5.18 - Plate heat exchanger in step 18.5.20 3.
19. FAULT FINDING GUIDE (Flow-chart) It is possible to detect and correct defects by using the standard fault finding diagrams described in this chapter. NOTE: THESE CHECKS ARE NOT EXHAUSTIVE. PRELIMARY CHECKS MAKE SURE THAT: 1 - There is sufficient water in the system 2 - The gas is turned on 3 - The electrical supply is turned on TURN THE SELECTOR KNOB TO IS THE POWER L.E.D. ON? NO 1 - Check the fuses 2 - Check the power supply cable, plug and outlet 3 - Check/replace the power supply to the P.C.B.
A IS THE PUMP RUNNING? NO YES POWER TO THE PUMP? NO YES 1 - Check DHW flowswitch 2 - Check pump cable 3 - Check/replace P.C.B. 1 - Check that the pump is not stuck 2 - Release/replace pump IS THE FAN RUNNING? NO YES POWER TO FAN ? NO 1 - Check/replace connection cable 2 - Check/replace P.C.B. YES 1 - Replace fan IS SPARK GENERATION FOR IGNITION NORMAL? NO YES IS THE BURNER ALIGHT? NO 1 - Check power supply of gas valve 2 - Check/replace P.C.B.
B IS THERE STILL A PROBLEM? NO FAULTS YES 1 Drawing D.H.W: When you turn on a tap burner switches off 2 Drawing D.H.W: radiators heat up in summer mode 3 Drawing D.H.W: NORMAL OPERATION insufficient hot water temperature 4 Drawing D.H.W: noisy operation 5 Decrease/increase heating circuit pressure 6 Repeated shutdowns POSSIBILE CAUSES - check temperature probes - faulty D.H.W.
20. SHORT SPARES LIST SHORT LIST 649 101 721 609 102 110 606 603 736 531 543 707 726 111 538 722 401 537 515 709 506 407 502 Key N° 64 Description Manf. Pt.
BENCHMARK No. GAS BOILER COMMISSIONING CHECKLIST BOILER SERIAL No. NOTIFICATION No.
S E R V I C E I N T E R VA L R E C O R D It is recommended that your heating system is serviced regularly and that you complete the appropriate Service Interval Record Below. SERVICE 1 DATE SERVICE 2 DATE ENGINEER NAME COMPANY NAME TEL No. CORGI ID CARD SERIAL No. COMMENTS ENGINEER NAME COMPANY NAME TEL No. CORGI ID CARD SERIAL No. COMMENTS SIGNATURE SIGNATURE SERVICE 3 DATE SERVICE 4 DATE ENGINEER NAME COMPANY NAME TEL No. CORGI ID CARD SERIAL No. COMMENTS ENGINEER NAME COMPANY NAME TEL No.
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MTS (GB) Limited MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Professional Team Limited Suites 9 & 10, Plaza 256 Blanchardstown Corporate Park 2 Ballycoolin Dublin 15 Telephone: (01494) 755600 Telephone: (01) 810 3723 Fax: (01494) 459775 Fax: (01) 810 3727 Internet: www.mtsgroup.com/uk Internet: www.mtsgroup.com/ie E-mail: info@uk.mtsgroup.com E-mail: info@ie.mtsgroup.
