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Heatmaster 120 TC, Installation, Operation And Maintenance Instructions, Page: 54 / 68

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Heatmaster 120 TC Installation, Operation And Maintenance Instructions Download Page 54

en

54

HeatMaster TC : 

664Y6800 • A

EN

FR

NL

ES

IT

DE

PL

RU

MAINTENANCE

TOOLS REQUIRED FOR MAINTENANCE

BOILER SHUT DOWN FOR MAINTENANCE

  1.  Switch the boiler off using the ON/OFF master switch and isolate the external power supply.
 2.  Close the gas supply valve of the boiler.

GAS

pressure

(mbar)

Summary of Contents for 120 TC

Page 1: ...664Y6800 A INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 25 35 45 70 85 120 TC HeatMaster EN FR NL ES IT DE PL RU INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS ...

Page 2: ... HM TC 70 kw equipped with a high efficiency pump 22 Electrical characteristics HM TC 70 kw equipped with a high efficiency pump 24 Dimensions 26 Chimney connection characteristics 28 Calculation of the flue pressure drop or of the corresponding length in meters of straight pipes 30 Hydraulic characteristics 32 DHW performance 34 Maximum operating conditions 34 INSTALLATION 35 Package contents 35 ...

Page 3: ...or maintenance 54 Boiler shut down for maintenance 54 Periodic boiler maintenance tasks 55 Removal check and reinstallation of the burner electrode 56 Removal and reinstallation of the burner 57 Cleaning the exchanger 58 Removing and cleaning the condensate recovery dish 59 Draining the boiler 60 Restarting after maintenance 61 In case of problem 62 DECLARATION OF CONFORMITY EC 63 For specific con...

Page 4: ...omply with the instructions contained in this manual and with the standards and regulations applicable to installations Failure to comply with the instructions in this manual could result in personal injury or a risk of environmental pollution The manufacturer declines all liability for any damage caused as a result of incorrect installation or in the event of the use of appliances or accessories ...

Page 5: ...less supervised or unless they have been given instruction concerning the use of the appliance by a person responsible for their safety PERIODIC CHECKS Essential recommendations for the correct operation of the appliance Make sure that the system water pressure is at least 1 bar when cold If it is required to top up the system to maintain the minimum recommended water pressure only add small amoun...

Page 6: ...in 1 bar when cold 4 Pre cut area To install an optional Control Unit 5 User interface of the MCBA controller Allows to set up the boiler operation and more specifically to define the required temperature of the Domestic Hot Water DHW and the Central Heating CH and to activate deactivate the DHW and heating modes Display indicates the parameter values the error codes and the set up status of the p...

Page 7: ...de the display flashes and the first character is E followed by the fault number Reset the appliance by pressing the RESET key of the MCBA interface If the error code shows again contact your installer PARAMETER SETTING The end user is allowed to perform some of the settings turn on off the domestic hot water DHW heating function and define the required temperature of the DHW heating circuits Usin...

Page 8: ...ature set point of the hot water preparation tank The maximum authorized DHW temperature is 75 C Enable disable the DHW mode 2 X 1 X Mode Step X Mode Store 1 X 1 X Stand by mode Stand by mode ON 2 X 1 X Mode Step 2 X Mode Store Stand by mode OFF 2 Stand by mode 1 X 1 X Mode Step 2 X Mode Store 1 X Stand by mode 1 X 1 X Mode Step 2 X Mode Store 1 X Stand by mode Stand by mode Stand by mode ...

Page 9: ... temperature set point for the heating function The maximum authorized temperature for the circuit is 90 C Enable disable the central heating mode 3 X 1 X Mode Step 2 X Mode Store 1 X Stand by mode 3 X 1 X Mode Step 2 X Mode Store 1 X Stand by mode ON OFF Stand by mode Stand by mode 4 X 1 X Mode Step 2 X Mode Store 1 X Stand by mode 4 X 1 X Mode Step 2 X Mode Store 1 X Stand by mode Stand by mode ...

Page 10: ... to run for 10 minutes If an outdoor temperature sensor is connected the pump is started whenever the outdoor temperature drops below the preset temperature To allow the boiler to protect the system against frost all the radiator and convector valves should be fully open Depending on the model the HeatMaster TC are equipped with a high efficiency charging pump or with a standard charging pump Deta...

Page 11: ...21b 12 13 14 15 16 17 18 19 20 21a 11 10 9 8 7 6 5 4 3 2 1 en 11 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU APPLIANCE DESCRIPTION ...

Page 12: ...that the gas pressure at the gas valve outlet is kept equal to the absolute air pressure at the venturi inlet corrected by the offset adjustment value The fan draws the combustion air through the venturi whose neck is connected to the gas valve outlet The pressure differential created at the venturi neck by the air flow rate generates a gas intake proportional to its amount the higher the air flow...

Page 13: ...Nat gas Propane Nat gas Propane Nat gas Propane Nat gas Propane Nat gas Propane Nat gas Propane Min fan speed Nat gas rpm 1500 2000 1600 1900 1900 1300 Propane rpm 1500 2400 1800 1900 1900 1300 Max fan speed Nat gas rpm 6500 6300 6800 4900 6500 5300 Propane rpm 6100 6500 6900 4500 6000 5300 The figure shows the HM 120 TC burner The HM 25 35 45 70 85 TC burner configuration is slightly different ...

Page 14: ...G20 G25 G25 1 G31 G30 Pressure mbar 20 25 20 25 25 30 37 50 30 50 Country code Category AT I2H I3P I3B P BE I2E S I2E R I3P CH I2H I3P I3B P CY I2H I3B P CZ I2H I3P DE I2E I2ELL I3P I3B P DK I2H I3B P EE I2H I3B P ES I2H I3P FR I2Er I3P I3B P GB I2H I3P I3B P GR I2H I3P HR I2H I3P I3B P HU I2HS I3B P HM 25 35 45 70 TC HM 85 120 TC ...

Page 15: ...G25 G20 G25 G25 1 G31 G30 Pressure mbar 20 25 20 25 25 30 37 50 30 50 Country code Category IE I2H I3P IT I2H I3P I3B P LT I2H I3P I3B P LU I2E I3B P LV I2H NL I2L I3P I3B P NO I2H I3B P PL I2E I3P I3B P PT I2H I3P RO I2H I2E I3P I3B P SE I2H I3B P SI I2H I3P I3B P SK I2H I3P I3B P TR I2H I3B P ...

Page 16: ... G30 G31 Pressure mbar 20 20 25 20 25 30 37 50 30 50 28 30 37 50 67 Country code Category AT II2H3P II2H3B P CH II2H3P II2H3B P II2H3 CY II2H3B P II2H3 CZ II2H3P II2H3 DE II2E3B P II2ELL3B P DK II2H3B P EE II2H3B P ES II2H3P FI II2H3B P FR II2Er3P II2E 3 GB II2H3P II2H3 GR II2H3P II2H3 HR II2H3P II2H3B P HU II2H3B P IE II2H3P II2H3 IT II2H3P II2H3B P II2H3 ...

Page 17: ...5 G20 G25 G31 G30 G30 G31 Pressure mbar 20 20 25 20 25 30 37 50 30 50 28 30 37 50 67 Country code Category LT II2H3P II2H3B P II2H3 LU II2E3B P NL II2H3B P NO II2H3B P PL II2E3B P PT II2H3P II2H3 RO II2H3P II2H3B P II2E3B P SE II2H3B P SI II2H3P II2H3B P II2H3 SK II2H3P II2H3B P II2H3 TR II2H3B P ...

Page 18: ... EN677 108 9 108 9 108 9 108 9 108 9 108 9 Combustion efficiency at 100 98 2 98 2 98 2 98 2 97 9 98 2 NOx Class 5 Max output mg kWh 74 81 59 72 42 42 Min output mg kWh 33 31 33 31 24 24 Weighted mg kWh 53 53 41 41 38 38 CO Max output mg kWh 44 55 3 89 1 103 9 119 6 61 3 82 2 184 Min output mg kWh 23 9 4 6 17 1 20 9 5 9 4 8 CO2 Max output CO2 9 3 10 7 9 3 10 5 8 9 9 16 11 2 Min output CO2 8 8 10 7 ...

Page 19: ...8 4 108 4 108 8 108 8 Combustion efficiency at 100 98 1 98 1 98 0 98 0 97 5 97 5 NOx Class 5 Max output mg kWh 52 85 72 65 85 57 56 49 Min output mg kWh 27 27 27 27 10 42 Weighted mg kWh 28 28 44 44 56 56 CO Max output mg kWh 56 3 90 0 74 4 118 7 98 8 119 2 121 4 103 0 Min output mg kWh 2 0 45 0 5 9 55 0 53 8 7 6 61 8 12 8 CO2 Max output CO2 9 1 10 9 9 3 10 9 9 3 10 2 Min output CO2 8 6 10 0 8 6 8...

Page 20: ...flue gas temperature sensor 15 Room thermostat option 16 NTC3 DHW sensor 17 NTC4 outdoor temperature sensor option 18 NTC6 flow sensor for second heating circuit option 19 Positive terminal of the ionization current 20 RAM high limit thermostat option 21 Ignition and ionization cable 22 230 Volt burner power supply HeatMaster 70 85 TC 23 Gas pressure switch HeatMaster 70 85 TC The ionization curre...

Page 21: ...4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 X1 6 X1 5 X1 4 X1 3 X1 2 X7 X10 6 X10 7 X10 1 X10 3 X1 1 X2 12 X2 11 X2 10 X2 9 X2 8 X2 7 X2 6 X2 5 X2 4 X2 3 X2 2 X2 1 X3 6 X3 5 X3 4 X3 3 X3 2 X3 1 X4 3 X4 2 X4 1 X5 4 X5 3 X5 2 X5 1 t V O G 22 23 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 B Blue Bk Black Br Brown G Grey O Orange R Red V Violet W White Y Gr Yellow Green en 21 HeatMaster TC 664Y6800 ...

Page 22: ...ture sensor 15 Room thermostat option 16 NTC3 DHW sensor 17 NTC4 outdoor temperature sensor option 18 NTC6 flow sensor for second heating circuit option 19 Positive terminal of the ionization current 20 RAM high limit thermostat option 21 Ignition and ionization cable 22 230 Volt burner power supply The ionization current is measured between terminal 19 and ground ELECTRICAL CHARACTERISTICS HM TC ...

Page 23: ...Gr Y Gr Y Gr B W L N PE Y Gr B Br B B B Y Gr X12 P X11 L1 N PE M M 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 X1 6 X1 5 X1 4 X1 3 X1 2 X7 X10 6 X10 7 X10 1 X10 3 X1 1 X2 12 X2 11 X2 10 X2 9 X2 8 X2 7 X2 6 X2 5 X2 4 X2 3 X2 2 X2 1 X3 6 X3 5 X3 4 X3 3 X3 2 X3 1 X4 3 X4 2 X4 1 X5 4 X5 3 X5 2 X5 1 t V O G 22 3 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 4 3 2 1 B4 S3 B Br 5 en 23 HeatMaster TC 664Y6800...

Page 24: ...15 Room thermostat option 16 NTC3 DHW sensor 17 NTC4 outdoor temperature sensor option 18 NTC6 flow sensor for second heating circuit option 19 Positive terminal of the ionization current 20 RAM high limit thermostat option 21 Ignition and ionization cable 22 230 Volt burner power supply 23 Gas pressure switch The ionization current is measured between terminal 19 and ground ELECTRICAL CHARACTERIS...

Page 25: ... 7 8 9 10 11 12 13 1 2 3 4 5 6 X1 6 X1 5 X1 4 X1 3 X1 2 X7 X10 6 X10 7 X10 1 X10 3 X1 1 X2 12 X2 11 X2 10 X2 9 X2 8 X2 7 X2 6 X2 5 X2 4 X2 3 X2 2 X2 1 X3 6 X3 5 X3 4 X3 3 X3 2 X3 1 X4 3 X4 2 X4 1 X5 4 X5 3 X5 2 X5 1 t V O O G 22 23 3 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 S3 B4 en 25 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU TECHNICAL CHARACTERISTICS B Blue Bk Black Br Brown ...

Page 26: ... 125 125 J height at gas valve mm 1660 2070 2125 K height at DHW outlet mm 1560 1975 2030 K height at primary circuit outlet mm 1365 1695 1750 M height at auxiliary circulation loop connection mm 685 740 N height at primary circuit inlet mm 405 485 540 O height at DHW circuit inlet mm 220 260 315 Heating Connection F Ø 1 1 1 2 1 1 2 DHW Connection M Ø 1 1 1 Gas connection M Ø 3 4 3 4 3 4 min of fl...

Page 27: ...m 300 B mm Recommended 800 Minimum 600 C mm Recommended 400 Minimum 250 D mm Recommended 600 Minimum 400 Front view View from the top 1736 3 x 65 180 690 Easy Fit kit only for HeatMaster 25 35 45 TC Clearance with Easy Fit kit HeatMaster 25 35 45 TC A mm Recommended 400 Minimum 300 B mm Recommended 400 Minimum 300 C mm Recommended 400 Minimum 250 D mm Recommended 600 Minimum 400 ...

Page 28: ...nd in zones with different pressure levels Boiler room ventilation HM 25 TC HM 35 TC HM 45 TC HM 70 TC HM 85 TC HM 120 TC Fresh air supply B23 B23P m h 35 1 49 1 59 2 98 3 119 3 161 5 High ventilation dm 0 8 1 1 1 5 2 1 2 6 3 6 Low ventilation dm 0 8 1 1 1 5 2 1 2 6 3 6 It is mandatory to ventilate the boiler room The high or low air vent opening dimensions depend on the boiler power and the boile...

Page 29: ... the burner with fresh outdoor air Only if the boiler is fitted with an ACV premix BG 2000 S burner C93 Connection using an individual system whose combustion product exhaust duct is installed in an exhaust duct that is integral with the building The appliance the exhaust duct and the terminal units are certified as an inseparable assembly B23 Connection to an exhaust duct that discharges the comb...

Page 30: ...ulation The following tables are based on ACV equipment and cannot be applied as a rule Distinct fresh air supply L1 Ø80mm Ø100mm HM 25 TC HM 35 TC HM 45 TC HM70TC HM85TC HM120TC Pa corr length in m of straight pipes Pa corr length in m of straight pipes Pa corr length in m of straight pipes Pa corr length in m of straight pipes Pa corr length in m of straight pipes Pa corr length in m of straight...

Page 31: ...1 0 2 x 0 8 8 8 20 2 b Compare the resulting value with the recommended value 33 m of corresponding length in meters of straight concentric flue pipes The flue pipe length is within the recommended range Example of verification of the length of concentric flue pipes for a HeatMaster 35 TC The methods are detailed through an example Figure 2 The assembly is comprised of 1 pipe with a measurement un...

Page 32: ...s heure Perte de charge mbar HeatMaster 45 TC HeatMaster 35 TC HeatMaster 25 TC Pressure drop mbar Flow rate liters hour HYDRAULIC CHARACTERISTICS Main Characteristics HM 25 TC HM 35 TC HM 45 TC Capacity DHW L 100 100 100 Capacity primary L 100 100 100 Primary circuit expansion vessel volume L Water pressure drop primary circuit Δt 20 K mbar 3 6 10 Hydraulic pressure drop curve of the boiler ...

Page 33: ...bar HeatMaster 120 TC HeatMaster 70 TC HeatMaster 85 TC HeatMaster 70 85 120 TC Pressure drop mbar Flow rate liters hour Hydraulic pressure drop curve of the boiler Main Characteristics HM 70 TC HM 85 TC HM 120 TC Capacity DHW L 190 190 190 Capacity primary L 125 125 125 Primary circuit expansion vessel volume L 2 x 10 2 x 10 2 x 10 Water pressure drop primary circuit Δt 20 K mbar 9 14 27 ...

Page 34: ...28 Peak flow at 40 C T 30 K L 10 820 868 964 45 C T 35 K L 10 668 718 819 Peak flow 1st hour at 40 C T 30 K L 60 2761 3076 3706 45 C T 35 K L 60 2306 2513 3153 Reheat time from 10 C to 80 C min 27 24 23 DHW efficiency at T 30 K 103 9 103 9 102 2 for DHW temperatures 45 C T 35K please contact ACV For special applications please contact ACV MAXIMUM OPERATING CONDITIONS Maximum Service Pressure DHW t...

Page 35: ...System Control manual Cover plate for the natural gas to propane conversion sticker Ball condensate trap to be installed Safety valve kit to be installed HM TC equipped with a high efficiency pump only comprised of A primary safety valve Ø 1 2 F A T coupling 1 2 F 1 2 M 1 4 F HM 120 TC only A check valve Ø 1 4 F Ø 1 4 M General remarks The manufacturer reserves the right to change the technical ch...

Page 36: ...h of the door and the hall necessary to pass the boiler C B A D A maximum boiler width B maximum boiler length C Door width D Hall width Door height std Hall width C A x B D Example of calculation to determine the minimum hall width with a door width D 800 mm C 540 x 1000 Hall width 675 mm 800 Door width D A x B C Example of calculation to determine the minimum door width with ahall width D 900 mm...

Page 37: ...heck valve and a shut off valve If works need to be performed in the boiler room or close to the air vents make sure to turn off the boiler to prevent dust from entering and accumulating in the boiler heating system Essential recommendations for safety Install the boiler on a base made of non combustible materials Make sure that all air vents are unobstructed at all times A condensation outlet con...

Page 38: ...ater temperature at a drawing off point must be 75 C for boilers 70 kW The risk of developing bacteria exists including Legionella pneumophila if a minimum temperature of 60 C is not maintained in both the DHW tank and the hot water distribution network Essential recommendations for the electrical safety Only an approved installer is authorized to carry out the electrical connections Install a 2 w...

Page 39: ...fore the system is filled it must be cleaned in accordance with standard EN14336 Chemical cleaning agents can be used If the circuit is in bad condition or the cleaning operation was not efficient or the volume of water in the installation is substantial e g cascade system it is recommended to separate the boiler from the heating circuit using a plate to plate exchanger or equivalent In that case ...

Page 40: ...ft 0 7 0 3 9 0 0 7 Soft 7 15 3 9 8 4 0 7 1 5 Fairly hard 15 25 8 4 14 1 5 2 5 Hard 25 42 14 23 5 2 5 4 2 Very hard 42 23 5 4 2 5 Control the water parameters In addition to the oxygen and the water hardness other parameters of the water must be checked Treat the water if the measured values are outside the range Acidity 6 6 pH 8 5 Conductivity 400 μS cm at 25 C Chlorides 125 mg l Iron 0 5 mg l Cop...

Page 41: ...Y6800 A EN FR NL ES IT DE PL RU BOILER PREPARATION Before placing the boiler in its final position install The ball condensate trap If you have selected an Easy Fit kit HeatMaster 25 35 45 TC install it at the rear of the boiler before placing the appliance in its final position ...

Page 42: ...FR NL ES IT DE PL RU INSTALLATION BOILER PREPARATION The safety valve kit HM TC equipped with a high efficiency pump ű ű T coupling HM 120 TC only ű ű Check valve ű ű Primary circuit safety valve 4 5 The pressure gauge sensor front panel into the pressure gauge connection of the safety valve ...

Page 43: ...ial recommendations for the correct operation of the appliance Flush the system before connecting the domestic hot water circuit Refer to the installation instructions Make sure to install a pressure reducing valve set at 4 5 bar if the mains supply pressure is in excess of 6 bar The installation must be fitted with an approved safety group comprised of a 7 bar safety valve a check valve and a shu...

Page 44: ...t water 8 9 en 44 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU INSTALLATION Accessory Code Description Room thermostat 10800018 High temperature kit DN 25 HM 25 35 45 TC 10800294 Includes a heating pump two isolating valves a check valve and two thermometers High temperature kit DN 32 HM 70 85 120 TC 10800296 Includes a heating pump two isolating valves a check valve and two thermometers Optio...

Page 45: ... to protect all floor heating circuits Low temperature kit DN 25 HM 25 35 45 TC 10800295 Includes a heating pump two isolating valves a check valve two thermometers a 3 way valve with built in bypass and a servomotor Low temperature kit DN 32 HM 70 85 120 TC 10800297 Includes a heating pump two isolating valves a check valve two thermometers and a 3 way valve with built in bypass Servomotor 108001...

Page 46: ...e it is factory preset and sealed Essential recommendations for the correct operation of the appliance Refertothetechnicalcharacteristicsofthismanualortotheburnerdocumentation to know the connection diameters Bleed the gas duct and check thoroughly if all the boiler tubes both internal and external are tight Check the system gas pressure Refer to the table containing all relevant data in the secti...

Page 47: ...te and adjustments Set up conditions External power supply isolated Gas supply closed Upper panel of the boiler removed Procedure of cover plate addition To know where the components are located on the HM 120 TC refer to figure on page 13 1 Unscrew the gas tube pipe 1 2 Remove the plug from the gas valve 2 3 Disconnect the air inlet 4 Remove the gas valve venturi assembly 3 by releasing two screws...

Page 48: ...e procedure in reverse order and tighten the 3 gas valve screws and the 2 venturi screws with a torque of 3 5 to 4 Nm 8 Stick the sticker provided with the conversion kit on the boiler and check the box to indicate the type of gas to be now used with the boiler Follow on tasks Adjust parameters 22 to 28 of MCBA See the System Control manual Carry out the CO2 adjustment see Checking and adjusting t...

Page 49: ...accessed by an approved installer Set the water temperature in accordance with usage and local plumbing codes en 49 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU STARTING UP CHECKS BEFORE STARTING UP Essential recommendation for safety Check the tightness of the flue pipe connections Essential recommendation for the correct operation of the appliance Control the tightness of the hydraulic circu...

Page 50: ...uated from the system close the draw off tap 2 3 Check all the connections for leaks Filling of the heating circuit 1 Open the isolating valves 1 2 Make sure that the drain valve 3 is tightly closed 3 Open the filling valve 2 4 Open the air bleed valve 4 5 Once the system is bled from air bring the pressure to the static pressure 0 5 bar 1 5 bar 10m 2 bar 15m Cold water Hot water 1 1 1 2 1 1 2 3 4...

Page 51: ...arging pump is not blocked and unblock it if required On the HM TC equipped with a high efficiency charging pump a fault code b 26 shows on the control panel display Refer to the System Control manual provided with the boiler 4 Checking and adjusting the burner see Checking and adjusting the burner page 52 5 After 5 minutes of operation bleed the heating circuit until all air is evacuated and rest...

Page 52: ...yed with those indicated in the combustion characteristics table 6 If the CO2 value differs by more than 0 3 carry out the adjustment mentioned in the procedure below 7 Then put the boiler to the minimum power mode Refer to the System Control manual provided with the boiler Allow the boiler to stabilize for a few minutes 8 Measure the CO2 level It must be equal to the value at full power or lower ...

Page 53: ...sential recommendations for the correct operation of the appliance It is recommended to have the boiler and the burner serviced at least once a year or every 1 500 hours More frequent servicing may be required depending on boiler use Please consult your installer for advice The boiler and burner maintenance will be carried out by a qualified engineer and the defective parts may only be replaced by...

Page 54: ...S IT DE PL RU MAINTENANCE TOOLS REQUIRED FOR MAINTENANCE BOILER SHUT DOWN FOR MAINTENANCE 1 Switch the boiler off using the ON OFF master switch and isolate the external power supply 2 Close the gas supply valve of the boiler GAS pressure mbar ...

Page 55: ...ections are correctly fastened and tight X 5 Check the flue gas exhaust correct fastening correct installation no leaks or clogging X 6 Check that there is no discolored or cracked area on the burner chamber plate X 7 Check the combustion parameters CO and CO2 see Checking and adjusting the burner page 52 X 8 Check visually the heating body no evidence of corrosion soot deposits or damages Carry o...

Page 56: ... screws 1 and retain them for reinstallation 5 Remove the electrode 2 6 Check the correct alignment of the electrode ends and that the gap corresponds to the values indicated in the figure below 7 Check the gap between the electrode and the burner tube see Removal and reinstallation of the burner page 57 Reinstallation procedure 1 Reinstall a new gasket 3 2 Reinstall the electrode 2 using the two ...

Page 57: ...onnect the plug s from the motor side and the plug from the gas valve side 2 Disconnect the pressure hose and the air tube 3 Unscrew the gas pipe connection 4 Using an open end spanner release the burner retaining bolts Make sure the electrode is removed before lifting the burner or the insulation block may be damaged 5 Lift the burner fan and gas valve assembly rotating it slightly to get it out ...

Page 58: ... according to procedure on next page 4 In the case of HM TC that are not equipped with a recirculation copper tube restart the boiler in accordance with procedure Restarting after maintenance page 61 6 Check the insulation block condition and replace it if it is cracked or broken Check that there is no discolored or cracked area on the burner chamber plate If it is the case contact ACV s maintenan...

Page 59: ...e procedure 1 Remove and clean the ball condensate trap 2 Disconnect the lower couplings 3 Disconnect the flue gas sensor 4 Remove the flue pipe elbow 5 Disconnect the copper tube located between the charging pump and the condensate recovery dish 6 Remove the condensate recovery dish and clean it 7 Replace the condensate recovery dish gaskets 8 Reinstall the condensate recovery dish and reconnect ...

Page 60: ...ocess 5 Close the drain valve 2 and the air bleed valve 3 once the heating circuit of the boiler is empty DHW circuit draining procedure Before draining the DHW tank make sure that the heating primary circuit pressure is null 1 Open fully a draw off tap 3 for about 60 minutes to make sure that the DHW tank has cooled down 2 Close the isolating valves 1 3 Connect the drain valve 2 to the sewer with...

Page 61: ...r supply Gas supply open DHW and heating circuits full of water Procedure 1 Switch the appliance on using the ON OFF master switch 2 Set the appliance at maximum power and check the absence of burned gas leaks 3 Check the correct operation of the charging pump 4 Check the gas pressure and CO2 adjustment in accordance with procedure Checking and adjusting the burner page 52 ...

Page 62: ...r section of the right side panel inside the boiler Release two upper fasteners to open the upper panel HM 70 85 120 TC Lower section of the right side panel inside the boiler Release two front fasteners to open the lower panel IN CASE OF PROBLEM In case or problem refer first to the System Control Manual provided with the boiler A list of blockage and error codes is provided to help you solve spe...

Page 63: ...en 63 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU DECLARATION OF CONFORMITY EC ...

Page 64: ...en 64 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU DECLARATION OF CONFORMITY EC ...

Page 65: ...en 65 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU ...

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Page 67: ...en 67 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU ...

Page 68: ...MARKINGS LABELS en 68 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU ...

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