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Helix VLT User`s Manual Rev. B

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Contents

1. INSTRUCTION WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e 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 2 2 TO TURN OFF GAS TO APPLIANCE e Set thermostat to lowest setting e Turn OFF all electric power to appliance if service is to be performed e Remove front jacket panel Turn gas shutoff valve handle clockwise CY to closed position Handle should be perpendicular to gas pipe e Replace front jacket panel 2 1 Gas Shutoff Valve Gas Shutoff Valve 3 CONTROL MODULE 3 1 Introduction Operation with LCD character display module Boiler is equipped with a programmable electronic control and user interface module BE COR IENTTIEIR NAT ol ON AYE 3 2 Operation amp D Manual Lockout Reset CD Enter Exit user menu Go to previous screen se Peel se Tal ey th Gass VERSION HK XOXOXO E gt Select a menu item Confirm new parameter value 4 Vv Scroll up to next menu item Increase value Scroll down to next menu item Decrease value 3 3 Status Indication The following status screens can be displayed Boiler Status Indicator Goo F Flame Detected 0 P Central Heating System Pump On B Combustion Air Blower On S Safety Relay Check
2. aalndag 0 Aduaby JayeaJgq JINIIID 18534 paipjenhH J3E uU0n uonelado pue Burgas sadosd 10 121108 FIJAIDS 0 Aduaby uonisod Payreng 158409 NO Ul sayoymg auonNsod O ul JSyE3Jg NINI WEW S she zsowsayg y3 y5 310g aJa 04 Aduaby paipjeno Pejuch JSIEM JOH gt 53 WO Jo Buljeap enuan Aejdsip a9eylaju sasn saog San sajiog sayay ms Jamod Jaylog je 49849 azas 0 Anuaby amp NO YUM JaMOg S Polen 79530403 A a BEN ON SJA tt 10413 Bunsojg JO y wely 1104907 ENO Jajloq 0 Jamod S ejdsip asepajuj sasn saog Er u SER ee Z UONEWWOLLI uonesado sajog Ae ds p asepayuj sasn saog 5 MAINTENANCE Asphyxiation hazard Contact qualified agency if condensate trap is not filled with water FIGURE 5 1 Condensate Drain FIGURE 5 2 Safety Relief Valve Discharge Pipin TH Ester System Supply Return Eee Check Local Codes For Maximum Distance To Floor Perform general housekeeping and maintenance as Specified below 5 1 Continuous e Keep boiler area free from combustible materials gasoline and other flammable vapors and liquids e Keep combustion air and vent terminations outside building free from trash vegetation and other items capable of blocking flow 5 2 Monthly e Inspect combustion air vent and condensate drain piping for deterioration leaks or sagging Contact qualified agency as necessary e Inspect condensate drain trap
3. will settle to the floor e Use only your hand to turn the gas shutoff valve Never use tools If valve will not turn by hand do not try to repair it call a qualified service technician Force or attempted repair may result in fire or explosion e Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect appliance and to replace any part of control system and any gas control which has been under water 2 1 OPERATING INSTRUCTIONS Stop Read Safety information above e Set thermostat to lowest setting e Turn OFF all electrical power to appliance e This appliance is equipped with an ignition device which automatically lights the burner Do not try to light burner by hand e Remove front jacket panel e Turn gas shutoff valve clockwise CY to closed position Handle should be perpendicular to gas pipe e Wait 5 minutes for any gas to clear Smell for gas including near floor If you smell gas STOP Follow instructions on this page What To Do If You Smell Gas If you do not smell gas go to next step Turn gas shutoff valve counter clockwise to the open position Handle should be parallel to gas pipe e Replace front jacket panel e Turn ON electrical power to appliance e Set thermostat to desired setting e If the appliance will not operate follow instructions TO TURN OFF GAS TO APPLIANCE and call your service technician or gas supplier
4. G Gas Valve Open D DHW Pump On Service Reminder I ndicator Boiler in Standby Mode Boiler Supply Water Temperature Indicator Boiler Running in Central Combustion Air Blower Heat mode Speed Indicator Boiler Running in DHW mode Lockout Alarm Indicator Error code and short text de scription displayed Press Reset key for manual reset Blocking Error Error code and short text description displayed Boiler automatically returns to Standby Mode when condition eliminated 3 4 Sequence of Operation Operational State Ready for Operation Thermostat Starts Call for Heat Pre Purge y Trial for Ignition y Normal Operation Thermostat Ends Call for Heat Post Purge Ready for Operation 3 CONTROL MODULE User Interface Display gt TANDEY P CENTRAL 0 CENTRAL 100 PE CENTRAL 65 CENTRAL 6 5 PBSG CENTRAL 6 5 FPB G CENTRAL gt Yo PE CENTRAL 65 STANDBY NO DEMAND a Wu HEATING 75 HEATI NG 75 HEATING 13 HEATING 13 HEATING 73 HEATING 135 HEATING 75 NO DEMAND FS F F Explanation Boiler operates in standby mode until demand for Central Heat CH or Domestic Hot Water DHW detected Call for heat CH System or DHW pump turned ON based on type of heating demand Heat Exchan
5. USER S INFORMATION MANUAL WARNING 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 Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e 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 Information and specifications outlined in this manual in effect at the time of printing of this manual Manufacturer reserves the right to discontinue change specifications or system design at any time without notice and without incurring any obligation whatsoever P N 240008847 Rev B 06 2011 1 GENERAL 1 1 General This boiler has few user serviceable parts Maintenance and Service must be completed by qualified agency Fire explosion asphyxiation and electrical shock hazard Improper maintenance and service could result in death or serious injury Read this manual and understand all requirements including use of qualified agency where directed 1 2 Become familiar with symbols identifyin
6. g potential hazards A This is the safety alert symbol Symbol alerts you to potential personal injury hazards Obey all safety messages following this symbol to avoid possible injury or death A DANGER Indicates a hazardous situation which if not avoided WILL result in death or serious injury Indicates a hazardous situation which if not avoided could result in death or serious injury Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTI CE Used to address practices not related to personal injury 1 3 What To Do Should Overheating Occur Do not turn off or disconnect electrical supply to pumps Shut off gas supply at location external to appliance 1 4 What To Do If Boiler Or Any Part Has Been Under Water Do not use boiler if any part has been under water Immediately call a qualified service technician to inspect boiler and to replace any part of control system and any gas control which has been under water 2 OPERATIN FOR YOUR SAFETY READ BEFORE OPERATING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life e This appliance is equipped with an ignition device which automatically lights burner Do NOT try to light this burner by hand e Before operating smell all around appliance area for gas Be sure to smell next to floor because some gas Is heavier than air and
7. ger Pump also turned ON CH demand illustrated Combustion Air Blower energized Combustion Air Blower speed modulates to prepurge setting for 15 seconds Igniter energized to start sparking sequence Gas Valve energized to deliver air fuel to burner Igniter de energized Boiler runs provided all operational and Safety devices within limits Control Module adjusts firing rate to match heating demand Call for heat ends Post purge cycle for 30 seconds Combustion Air Blower modulates to post purge setting CH System Pump DHW pump and Heat Exchanger Pump operate Boiler returns to Standby Mode 3 CONTROL MODULE 3 5 Theory of Operation User Interface Display Explanation Boiler operates in standby mode until Central Heat CH or Domestic Hot Water DHW demand detected Access User Menu by pressing Menu key on user interface STANDBY User Menu structure Use scroll keys to move to desired menu and press Enter e Boiler Status submenu Settings submenu View CH DHW supply water set point and select control language Cascade Status submenu Boiler set to function as part of multiple boiler installation submenu used to view runtime parameters See Multiple Boiler Manual sa DI Supply Temperature set point displayed CH set point displayed if boiler running in CH mode Note Value may change in proportion to outdoor tempera ture when
8. inside boiler e Follow instructions TO TURN OFF GAS TO APPLIANCE See section 2 e Inspect condensate drain trap for sediment or blockage Contact qualified agency if cleaning required e Inspect system piping for leaks Contact qualified agency as necessary e Check air vent s for leakage Follow OPERATING INSTRUCTIONS to return to normal operation 5 3 Check According to Manufacturer s Instructions e Safety Relief Valve Refer to manufacturer s instructions Burn and scald hazard Verify Safety Relief Valve discharge piping run to safe discharge location before conducting maintenance procedure Contact qualified agency to correct improper piping 5 4 Annually or Beginning Each Heating Season e Contact qualified agency to perform maintenance and cleaning per Installation Operation and Maintenance manual Inspection will include examining all flue product carrying areas vent system burner and heat exchanger Will also include filling boiler with water if drained as part of End of Heating Season procedure 5 MAINTENANCE 5 5 End of Heating Season if boiler not used for domestic hot water e Follow instructions to TURN OFF GAS TO APPLIANCE See section 2 e Contact qualified agency to drain heating system if system does not use antifreeze and condensate trap if heating system is exposed to freezing temperatures while out of service 10 E NOTE ER SERVI Installer Information Address
9. running in Outdoor Reset mode DHW supply set point displayed if boiler is running in DHW mode Water Temperature leaving boiler Water Temperature entering boiler DHW Thermostat open or closed Boiler Status UI no System Water Temperature if used Vent System Temperature Outdoor Temperature if used omnwno Heat Exchanger Pump status On or Off CH System Pump status if used On or Off DHW Pump status if used On or Off Rei Exe 3 CONTROL MODULE User Interface Display Explanation SETTINGS Adjust CH set point to hydronic system design while in i Operating in CH Mode 0 CH with Thermostat or 3 Central Heating Permanent Demand Setpoint In CH Mode 1 CH with Thermostat and Outdoor Reset or 2 CH with Full Outdoor Reset Display will change to OD Reset Setting Range 104 F to 195 F 40 C to 91 C Setpoint and cannot be changed Control Module calculates set Default Value 140 F 60 C point based on outdoor temperature SETTINGS l DHW set point determines supply water temperature set point DHW Setpoint when operating in DHW mode AE Setting Range 104 F to 195 F 40 C to 91 C Contact qualified agency to make changes Default Value 180 F 82 C SETTINGS Change Temperature Uni Fahrenheit F or Celsius C Fahrenheit Select temperature unit of measure SETTINGS Change Language Engl i BLE SHOOTIN 4 TR Jamogd Jaf 0g je Lld ON 12108

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