User Manual Logamax plus GB142 - USA/CA
Contents
1. Switching on and off Setting the DHW temperature value Entering the space heating water temperature 0 00 00 Burner on LED 005 Other functions and economic heating Starting up and shutting down the boiler 0 ee eee Starting up the boiler Shutting down the boiler http www buderus net 10 10 11 13 14 14 4 4 1 4 2 Operating and error messages Displaying operating messages Identifying and resetting faults Preface About these instructions These user s Instructions contain important information for the safe and proper operation of GB142 24 30 45 60 condensing gas boilers If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Subject to technical changes Changes may be made following technical improvements Updating of documentation Please contact us if you have any suggestions for improvements or corrections 4 http Awww buderus net 1 For your safety GB142 condensing gas boilers are designed and built according to the latest technological advances and safety requirements The design is specifically focused on ease of use To ensure the safe economical and environmen tally friendly use of the heating system we urge you to read and observe the User s Instructions 1 1 Designated use The GB142 was d2. User s Instructions Condensing gas boiler GB142 24 30 45 60 AX CERTIFIED BS Buderus This manual must be retained for future use Warning If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other boiler What to do if you smell gas e Do not try to light any boiler Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier CAUTION The operating manual is part of the documentation that is delivered to the installation s operator Go through the information in this manual with the owner operator and make sure that he or she is familiar with all the necessary operating instructions http www buderus net Contents 2 2 1 2 2 2 3 2 4 2 5 2 6 2 7 3 3 1 3 2 For your safety Designated use Safety instructions Lighting Instructions Operating the BC10 basic controller Opening and closing the control panel
3. buderus net 15 Open the gas shut off valve fig 3 pos 1 Lightly push on the gas shut off valve and turn it to the left counterclockwise In open position the gas shut off valve is parallel to the gas pipe Open the boiler manifold shut off valves fig 3 pos 2 1 2 Fig 3 Opening the gas shut off valve and the boiler manifold shut off valves pos 1 gas shut off valve pos 2 boiler manifold shut off valves 16 http www buderus net Set the main switch on the basic controller to position 1 On The basic controller checks the current system status and the burner becomes operational as soon as there is a heat request This procedure takes approx 30 seconds Adjust the settings on the control unit see the Operating Instructions for the control unit http www buderus net p LL el 17 3 2 Shutting down the boiler Set the main switch on the basic controller to position O Close the gas shut off valve and disconnect the boiler from the power supply DANGER i j The heating system may freeze if it is not operational in times of freezing weather Protect the heating system against freezing if there is a danger of frost affecting the system Drain the heating system water from the lowest point of the heating s
4. esigned for heating water for a central heating system and for generating domestic hot water The boiler can be fitted with a modulating outdoor reset control AM10 scope of delivery a room controller RC35 optional or an On Off thermostat accessory http www buderus net Hazard definitions DANGER d 1N Indicates the presence of hazards that will cause severe personal injury death or substantial property damage WARNING LAN Indicates the presence of hazards that can cause severe personal injury death or substantial property damage CAUTION Indicates presence of hazards that will or can cause minor personal injury or property damage CAUTION K Risk of electric shock Indicates presence of hazards due to electric shock NOTICE Indicates special instructions on installation operation or maintenance that are important but not related to personal injury or property damage 1 2 Safety instructions Make sure to observe these safety instructions Failure to do so can result in property damage personal injury or loss of life Installation gas and flue connection commissioning electrical connection and maintenance activities must only be carried out by a trained service provider Certain work e g on gas lines may require a professional license Only carry out such work if you are licensed to do so Only use the boiler for its intended purpose and only when it is in workin
5. g order Have a trained service provider check clean and service the heating system once a year Buderus recommends a contract for annual service and maintenance The condensate collection and disposal system must be periodically cleaned by a trained service technician Have your trained service provider give you detailed instructions about the operation of the heating system Carefully read these user s instructions Immediately have all defects to the heating system repaired Ensure that air intake and outlet openings are open and free from obstructions at all times Do not store any flammable material or liquids in the immediate vicinity of the boiler http www buderus net Never use chlorinated detergents or halogenated hydrocarbons e g in spraycans solvents and detergents paints adhesives in the room where the boiler is installed When Calcium Chloride is present in concrete floors when poured in winter it is necessary to seal the floor with a suitable paint Do not allow too much dust to collect on the device Do not use the boiler if any part has been under water Immediately call a trained service technician to inspect the boiler and to replace any part of the control system and any gas control which has been under water Should overheating occur or the gas supply fail to shut off do not turn off or disconnect the electrical supply to the pump Instead shut off the gas supply at a locat
6. ion external to the boiler http www buderus net The venting system must be inspected annually Replace any parts which show deterioration from corrosion or any other sources This boiler does not have a pilot It has an ignition device which automatically lights the burner Check for smell of gas around the boiler area Be sure to smell next to the floor because propane gas is heavier than air and will settle on the floor Use only your hand to turn the gas control knob fig 3 on page 15 Never use tools If the knob will not turn by hand don t try to repair it call a trained service technician Force or attempted repair may result in a fire or an explosion Lighting Instructions 2 Lighting Instructions STOP Read the chapter For your safety on page 5 before lighting the boiler 8 http www buderus net 2 1 Operating the BC10 basic controller 23 4 5 90 N0 rn A ER ow 11 10 9 8 7 Fig 1 Logamatic BC10 basic controller Controls pos 1 Main switch pos 5 Space heating water pos 2 DHW temperature knob 1 temperature knob pos 3 LED DHW status pos 6 LED Burner status pos 4 Display pos 7 LED Burner Operation 1 ECO mode means that the temperature inside the hot water tank is 140 F http www buderus net pos 8 Service Tool connector pos 9 Service button pos 10 Chimney sweep button pos 11 Reset button 2 2 Opening and closing the contro
7. l panel Briefly push the drawer to open the control panel fig 2 The drawer will come out The control panel consists of the Logamatic BC10 basic controller fig 1 Close the control panel by pushing it back into the boiler 2 3 Switching on and off Set the main switch on the BC10 to position 1 On to switch on the boiler and set it to 0 to switch it off CAUTION A Risk of electric shock If a hazardous situation occurs shut off power to the boiler using the emergency shutoff switch or the boiler circuit breaker see chapter 3 Starting up and shutting down the boiler page 15 Make yourself familiar with the location of the emergency shutoff switch and the boiler loop circuit breaker 10 Fig 2 Opening and closing the control panel f Lt Se http www buderus net 2 4 Setting the DHW temperature value 110 Check the local code for the max DHW temperature 107 e Turn the DHW temperature rotary knob to set the desired se Ase temperature of the hot water in the DHW tank Epo 149 A o o Aut Condition Explanation LED 0 Off No hot water supply only heating mode Off Eco Economy mode The DHW will only be reheated to 140 F if the On 2 Hot water temperature 140 F temperature has signifcantly fallen This reduces the number of burner starts and saves energy As a result the water may be a bit cooler initially 90 140 Direct setting on BC10 in F The tempe
8. not On 1 in F 90 190 F be changed using a RC thermostat Supply temperature does not rise above the set temperature Aut Entry via thermostat The temperature is automatically determined on the basis of the On 1 presetting heating characteristic If no thermostat is connected the maximum heater temperature is 190 F Table3 Settings of space heating water temperature rotary knob 1 The LED under the rotary knob lights up when the heating system is switched on and heat is requested In summer mode the heating system is switched off LED off http www buderus net 13 2 6 Burner on LED The LED indicates the operating condition of the burner LED Condition Explanation On__ Burner active The water in the boiler is being heated Off Burner off The water in the boiler has reached the required temperature or there is no heat request Table 4 LED indication 2 7 Other functions and economic heating The functions described above are basic functions carried out directly on the boiler using the Logamatic BC10 basic controller 14 http Awww buderus net 3 Starting up and shutting down the boiler 3 1 Starting up the boiler Turn the space heating water temperature and DHW 110 u ngyn 110_130 temperature rotary knobs to Aut automatic mode 100 120 Pe 460 The control unit will now take control 90 130 4 i Eco 140 190 a fo i oo At TM http www
9. rature set on the BC10 is a temperature that On 2 cannot be changed using a RC thermostat Aut Entry via thermostat presetting The temperature is set on the thermostat e g RC35 On 2 If no thermostat is connected the maximum DHW temperature is 140 F Table 1 Settings of DHW temperature knob 1 This function has been optimized for boilers with combined DHW heating combi units 2 The LED under the rotary knob lights up if the DHW temperature is below the target value heat request for DHW http www buderus net 11 Anti scald table Temperature of water Minimum time for Minimum time for second or in degrees F first degree burn third degree burn 111 5 hours 7 hours 116 35 minutes 45 minutes 118 10 minutes 14 minutes 122 1 minute 5 minutes 131 5 seconds 25 seconds 140 2 seconds 5 seconds 149 1 second 2 seconds 158 1 second Table 2 Temperature Time Burn Chart 12 http www buderus net 2 5 Entering the space heating water temperature 110 130 Turn the space heating water temperature knob to set the 90 150 upper limit value of the heater water for the heating opera 170 tion This limitation does not apply to DHW preparation iai o5 Att M Condition Explanation LED 0 Off No supply to heating system only DHW heating operation Off 90 190 Direct setting on BC10 The temperature set on the BC10 is a temperature that can
10. u must repeat resetting two or three more times If the fault cannot be reset Write down the error message and contact your heating equipment servicing company Make sure that the heating system is not damaged by frost see the safety instructions in chapter Shutting down the boiler on page 18 http www buderus net m 23 Buderus Bosch Thermotechnology Corporation 50 Wentworth Ave Londonderry NH 03053 Tel 603 552 1100 Fax 603 584 1681 Toll Free 1 800 BUDERUS www buderus net 721 503A 4848 02 2008
11. valve is open ou Initializing Pre Purge oY Flow temperature higher than set Table 5 Messages in normal operation mode 1 Push the Service button to display this operation message 2 Is shown automatically i e without you pushing a button http www buderus net Display Meaning 1 Test mode A Boiler in flue gas test mode chimney sweep mode Dot displayed in right hand bottom corner Manual operation 1 Hy Boiler in manual mode Flashing dot in right hand bottom corner Water pressure too lowH 1 2 H q Pic Water pressure is too low between 3 and 12 psi The value marked P Alternating display codes indicates the current water pressure in psi Contact the installer Table5 Messages in normal operation mode 1 Push the Service button to display this operation message 2 Is shown automatically i e without you pushing a button 22 http Awww buderus net 4 2 Identifying and resetting faults If a fault occurs the error code flashes on and off on the display of the BC10 basic controller Push the Reset button for approx 5 seconds to reset the fault The display shows rE while resetting Reset is only possible if there is a flashing error message If the display then shows a normal operation message from table 5 this means that the fault has been remedied If the fault recurs yo
12. ystem using the boiler drain The vent screw at the highest point of the heating system must then be open 18 http Awww buderus net 4 Operating and error messages 4 1 Displaying operating messages In normal operating mode the display will show the current heater water temperature You can display other information using the Service button Push the Service button a number of times to switch between the various status displays http www buderus net 6 19 Display example Meaning w40 Current boiler water temperature in F i Pot Current system pressure in psi l t H Operating message see table 5 l Current condition of heating system 1 Standard display for this operating condition This display appears after 5 minutes if no button is pushed 2 Other values may be displayed depending on the operating condition You can return to the starting point by repea tedly pushing the Service button 20 http www buderus net Display Meaning Normal operation 1 H Boiler in space heating mode H Boiler in DHW heating mode Normal operation 0 1 OA Burner interval circuit burner will restart automatically after 10 minutes oc Burner is started OE More capacity was delivered than required OH Ready for operation ob The gas
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