Slant/Fin VHG-100-CH Installation And Service Manual Download

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E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO

151

System example 7

Figure 20.7

CH mode 1
DHW mode 5

Low Voltage Connections

Name

Wire terminal

Room thermostat

12-13

Flow temperature sensor

3-4

Outdoor temperature sensor

1-2

High Voltage Connections

Boiler circulator

6-7-PE

System circulator

4-5-PE

Diverter valve (3-way-valve)

1-2-3-PE

LLH

Low Loss Header

Check the following parameters:

Boiler parameter

Name

Change to

125

Prog. Output 1.

147

Number of units

184

Burner Address

Managing / DEP1

Summary of Contents for VHG-100-CH

Page 1: ...Contractor Boiler Model Number Address Boiler Serial Number Phone Number Installation Date INSTALLATION AND SERVICE MANUAL Do not store or use gasoline or other flammable vapors and liquids in the vic...

Page 2: ......

Page 3: ...S AND UNPACKING 28 OPTIONAL ACCESSORIES 28 SUPPLIED WITH THE BOILER 28 6 INSTALLATION LOCATION OF THE VGH 29 GENERAL 29 BOILER INSTALLATION LOCATION REQUIREMENTS 29 INSTALLATION CLEARANCES 30 MOUNTING...

Page 4: ...56 Flexible polypropylene 56 STAINLESS STEEL VENT 57 SEALED COMBUSTION AIR SUPPLY 57 Combustion air quality 57 Air supply through humid areas 57 Air intake vent connections 58 Air inlet pipe material...

Page 5: ...heat demand CH mode 3 101 Central Heating with analog input control of setpoint CH mode 4 101 CH with analog input control of power output CH mode 5 102 CONTROL FUNCTIONS DOMESTIC HOT WATER 103 No Dom...

Page 6: ...T 131 CONVERSION FROM NATURAL GAS TO PROPANE 132 START UP CHECKLIST 134 18 INSPECTION MAINTENANCE AND SERVICE 136 GENERAL 136 SAFETY INSTRUCTIONS CRYSTALLINE SILICA 136 INSPECTION MAINTENANCE AND SERV...

Page 7: ...plus Safety Alert Symbol indicates a hazardous situation which will or can cause minor or moderate personal injury or property damage Caution Sign plus a lightning bolt indicates the risk of electric...

Page 8: ...8 E93 1901EN032 Installation and Service Manual SlantFin VGH CH CO 1 SAFETY GUIDELINES...

Page 9: ...E93 1901EN032 Installation and Service Manual SlantFin VGH CH CO 9 CONSIGNES DE S CURIT...

Page 10: ...materials or death Refer to Section 18 2 for information on handling instructions and recommended personal protective equipment Installation and service must be performed by a qualified installer ser...

Page 11: ...GAZ Ne pas tenter d allumer d appareil Ne touchez aucun interrupteur ne pas vous servir des t l phones se trouvant dans le b timent Appelez imm diatement votre fournisseur de gaz depuis un voisin Sui...

Page 12: ...ouillage semblables apparaissent Au moins tous les 12 mois l entretien doit tre fait pour assurer un fonctionnement s r et efficace Les dommages caus s par le manque d entretien ne seront pas couverts...

Page 13: ...AHRI Air conditioning Heating and Refrigeration Institute ANSI American National Standards Institute ASME American Society of Mechanical Engineers ASSE American Society of Sanitary Engineering bar Un...

Page 14: ...l Code Section Recommended Rules for the Care and Operation of Heating Boilers ANSI Z223 1 NFPA 54 National Fuel Gas Code ANSI NFPA 70 National Electrical Code ANSI NFPA 211 Chimneys Fireplaces Vents...

Page 15: ...be used Installation must be performed in strict compliance with the manufacturer s instructions A copy of the installation instructions must remain with the boiler and or equipment at the completion...

Page 16: ...demand indication from each boiler Weather compensation control Outdoor reset Indirect tank control On heat only boiler models Connections for VGH CH boilers On Off thermostat or modulating thermostat...

Page 17: ...line of the white sticker on the side of the burner controller e g 957MN15_3Rh4b Burner Controller Software Versions Press the menu button Go to Information Go to Software Versions Information Softwar...

Page 18: ...on DHW inch NPT NPT NPT Gas connection inch NPT NPT NPT Flue connection inch mm 3 80mm 3 80mm 3 80mm GAS CONSUMPTION Values min max Natural gas ft3 h m3 h 7 43 74 3 0 21 2 11 8 36 83 6 0 24 2 37 9 29...

Page 19: ...upply temperature F C 194 90 DHW PERFORMANCE flow rate at T 77 F gal min l min 2 3 8 7 Pressure DHW min max psi bar 14 5 116 1 0 8 0 Thermal Efficiency 6 95 0 ELECTRIC Minimum power consumption W 140...

Page 20: ...NPT NPT Gas connection inch NPT NPT NPT Flue connection Inch mm 3 80mm 3 80mm 3 80mm GAS CONSUMPTION Values min max Natural gas ft3 h m3 h 11 1 111 5 0 32 3 16 13 9 139 4 0 40 3 95 13 9 139 4 0 40 3...

Page 21: ...re boiler min max psi bar 11 6 43 5 0 8 3 0 Max supply temperature F C 194 90 DHW PERFORMANCE flow rate at T 77 F gal min l min 3 4 12 9 Pressure DHW min max psi bar 14 5 116 1 0 8 0 Thermal Efficienc...

Page 22: ...inch NPT NPT Gas connection inch NPT NPT Flue connection Inch mm 3 80mm 3 80mm GAS CONSUMPTION Values min max Natural gas ft3 h m3 h 16 7 167 4 0 47 4 74 18 6 186 0 0 52 5 26 Propane 1 ft3 h m3 h 7 2...

Page 23: ...min max psi bar 11 6 43 5 0 8 3 0 Max supply temperature F C 194 90 DHW PERFORMANCE flow rate at T 77 F gal min l min 4 6 17 4 Pressure DHW min max psi bar 14 5 116 1 0 8 0 Thermal Efficiency 6 95 4 E...

Page 24: ...Elevation between 2000 till 4500 ft All values de rate by 10 Example Elevation is 3600 ft De rating 10 Above 4500 ft New value 4500 x 0 004 10 Example Elevation is 7600 ft De rating is 7600 4500 x0 0...

Page 25: ...VGH 150 CO 15 120 111 97 95 2 VGH 150 CH 15 150 140 122 95 2 VGH 180 CH 18 180 168 146 95 2 VGH 200 CO 20 180 168 146 95 2 1 Listed Input and Output ratings are at minimum vent lengths at Sea Level Nu...

Page 26: ...ect DHW NPT E Return CH NPT F Condensate Flexible hose 1 06 26 9 mm Figure 4 1 165 mm 6 5 in 285 mm 11 22 in 129 mm 5 07 in 130 mm 5 12 in 176 mm 6 93 in DN80 mm 2x 3 in 116 mm 4 57 in 59 mm 2 33 in 7...

Page 27: ...T E Return CH NPT F Condensate Flexible hose 1 06 26 9 mm Figure 4 2 212 mm 8 33 in 259 mm 10 2 in 96 mm 3 78 in 146 mm 5 75 in 202 mm 7 96 in E D C A B 116 mm 4 57 in 76 mm 2 99 in 141 mm 5 55 in F 2...

Page 28: ...00 VGH Residential Plumbing Kit Combi Boiler VGH xx CO 81 7155 000 Tank sensor for an Indirect Hot Water tank 81 7110 000 External flow temperature sensor for behind the low header 10kOhm 77 F 81 7109...

Page 29: ...or where condensation might fall onto the boiler Make sure there is an open connection to the sewer to drain the condensate This connection must be lower than the condensate drains level of the boiler...

Page 30: ...nces 12 6 1 0 12 Clearances from combustible materials 1 Hot water pipes at least 1 2 12 mm from combustible materials 2 Vent pipe at least 1 25 mm from combustible materials See closet enclosure inst...

Page 31: ...hen the leveling bolts aren t sufficient fill the gap behind the bolts to get the boiler in position The boiler position lies between the boiler hanging level and hanging slightly backwards min 0 5 ma...

Page 32: ...ctions VGH CH boilers A Supply CH central heating B Indirect DHW Supply C Gas D Indirect DHW Return E Return CH central heating F Condensate trap clean out G Condensate drain H Manual Drain Figure 7 1...

Page 33: ...NFPA54 If you experience a pressure drop that is greater than 1 W C the regulator or gas line is undersized The boiler requires a nominal value of 7 to 10 W C of gas pressure when using Natural gas a...

Page 34: ...e provided directly below the boiler Figure 7 4 WARNING Strain on the gas valve and fittings may result in vibration premature component failure and leakage and may result in a fire explosion property...

Page 35: ...use chloride based fluxes for soldering any pipes of the water system It is recommended to install service valves so the boiler can be isolated from the heating system when needed Make sure that the...

Page 36: ...own pressure relief valve The pressure relief valve s discharge must be piped to an open drain and to within 6 inches of the ground floor Always have an air gap between the pressure relief valve disch...

Page 37: ...iler can indicate a clogged heat exchanger or filter or a defective circulator The burner load automatically decreases when the Return Supply temperature differential increases too much At maximum bur...

Page 38: ...free of any debris particles When using a Y strainer always check a week after installation to determine the strainer cleaning interval Advice is to mount valves before and after the strainer includin...

Page 39: ...ize needs to be increased to 3 4 for correct operation of the boiler If a slantfin plumbing kit is used all the the bushing and piping is correctly sized and provided with the kit See 5 1 and 5 2 for...

Page 40: ...gaskets When using antifreeze in the system always use an inhibited mono propylene glycol antifreeze approved for use in heating systems Never use Ethylene glycol in a heating system as it is toxic an...

Page 41: ...h the indicated additives If these products are used according to the instructions they will not harm the boiler The only approved anti freeze products are Manufacturer Type Composition Fernox Alphi 1...

Page 42: ...ate heat exchanger Diffusion through the plastic can cause air to enter the heating system This could damage the boiler circulators and other components in the system Be aware that plastic piping is o...

Page 43: ...deactivated again for 10 seconds DAir_Repeation_OnOff which means ON OFF ON OFF each time for 10 seconds 40 seconds in total 2nd cycle It starts when 1st cycle is ended The 3 way valve is moved to DHW...

Page 44: ...as soon as possible When an automatic feed valve system is used some form of monitoring must take place to prevent continuously filling of the system with large amounts of oxygenated fresh water This...

Page 45: ...circulator P3 System circulator S3 Flow system temperature sensor Check the following parameters Boiler parameter Name Change to 125 Prog Output 1 4 147 Number of units 1 184 Burner Address Managing C...

Page 46: ...ER Figure 7 19 valve strainer water filter circulator air separator pressure relief valve automatic air vent dirt separator condensate trap expansion vessel low loss header NON RETURN VALVE low resist...

Page 47: ...90 CO BOILER RESISTANCE GRAPH VGH 100 CH Figure 8 2 0 5 10 15 20 25 30 35 0 1 2 3 4 5 6 7 8 presuure drop feet of head flowrate gallons minute Resistance graph VGH 80 CH and VGH 90 CO heat exchanger...

Page 48: ...8 3 Figure 8 4 0 5 10 15 20 25 30 35 0 1 2 3 4 5 6 7 8 9 10 11 12 presuure drop feet of head flowrate gallons minute Resistance graph VGH 120 CH and VGH 150 CO heat exchanger circulator 0 10 20 30 40...

Page 49: ...20 25 30 35 0 1 2 3 4 5 6 7 8 9 10 presuure drop feet of head flowrate gallons minute Internal circulation head curve VGH 80 CH VGH 90 CO VGH 100 CH VGH 120 CH VGH 150 CO VGH 150 CH VGH 180 CH VGH 200...

Page 50: ...he VGH boiler is provided with an internal circulator which can be switched on or off The internal circulator is set to speed settings 3 and this must never be changed If the required flow is too low...

Page 51: ...DHW indirect tank circulator meaning it is not part of the appliance The maximum combined current for the indirect tank circulator and any additional circulators and valves must not exceed 2 A Only H...

Page 52: ...le of 3 downwards in the direction of the boiler roughly equal to 1 4 inch per foot or 5 cm per meter When not installed accordingly it may result in condensate building up in the vent gas tube eventu...

Page 53: ...RMINAL size part Eq feet VGH 80 CH VGH 90 CO VGH 100 CH VGH 120 CH VGH 150 CO VGH 150 CH VGH 180 CH VGH 200 CO concentric roof 2 vent 2PPS VKL 2PPS VK TCL 18 ft concentric wall 2 vent 2PPS HKL 10 ft c...

Page 54: ...ation 196984 196985 FGV 45 Elbow CPVC 197169 197171 FGV 90 Elbow CPVC 197199 197201 Termination Vent Screen 196050 196051 Never use aluminum containing vent pipes in these boilers Do not store or use...

Page 55: ...ropylene This product has been approved for use with polypropylene vent with the manufacturers listed All terminations must comply with listed options in this manual and be a single wall vent offering...

Page 56: ...6 5 150 130 mm 6PPS R5L 810009785 73 4 197mm 8 6 200 150 mm 8PPS R6L 810009801 515 16 150mm FLEXIBLE POLYPROPYLENE For use of flex pipe it is recommended to have the vent material in 32 F or higher am...

Page 57: ...supplied with the vent system Approved Stainless Steel Terminations Duravent Security Chimneys HeatFab FasNSeal Secure Seal Saf T EZ Seal EZ 316 Boiler Termination Termination Termination VGH 80 CH VG...

Page 58: ...cal rooftop Combustion Air Supply System a Seal all joints and seams of the air inlet pipe using either Aluminum Foil Duct Tape meeting UL Standard 723 or 181A P or a high quality UL Listed silicone s...

Page 59: ...for Gas Burning Appliances and Equipment Depending on the local situation one of the following methods from ANSI Z223 1 NFPA 54 applies 1 If the boiler is installed in a room with a volume of more th...

Page 60: ...minimal 1 inch2 per 4 000 Btu hr of the aggregate input rating of all combustion appliances in the room If the outside air is provided by means of horizontal ducts the free size of each opening must b...

Page 61: ...ntaminants and areas likely to contain them If contaminating chemicals will be present near the location of the boiler combustion air inlet have your installer pipe the boiler combustion air and vent...

Page 62: ...c acid Cements and glues Antistatic fabric softeners used in clothes dryers Chlorine type bleaches detergents and cleaning solvents found in household laundry rooms Adhesives used to fasten building p...

Page 63: ...omply with the instructions provided and with all requirements of applicable codes Failure to provide a properly installed vent and air system will cause severe personal injury or death This appliance...

Page 64: ...and ventilation air must be in accordance with Air for Combustion and Ventilation of the latest edition of the National Fuel Gas Code ANSI Z223 1 NFPA 54 in Canada the latest edition of CGA Standard...

Page 65: ...e paragraph 9 13 for more details Concentric wall concentric to boiler See paragraph 9 13 for more details Concentric vertical two pipe to boiler See paragraph 9 14 for more details Concentric vertica...

Page 66: ...See paragraph 9 13 for more details Open Air supply from room See paragraph 9 14 for more details Air inlet Flue outlet Vented area Figure 9 12 Boiler is IPX4D applying a bird screen with two elbows a...

Page 67: ...me as they condense in cold air Avoid areas where the plume could obstruct window views c Prevailing winds could cause freezing of condensate and water ice buildup where flue products impinge on build...

Page 68: ...ce to service regulator vent outlet see note 4 3 ft 91 cm J Clearance to nonmechanical air supply inlet to building or the combustion air inlet to any other appliance Direct vent only 12 30 cm Non Dir...

Page 69: ...l SlantFin VGH CH CO 69 Two pipe sidewall termination assembly Two pipe sidewall termination of air intake and exhaust vent Alternate two pipe sidewall termination of air intake and exhaust vent Figur...

Page 70: ...on It is not classified as a forced air intake with regard to spacing from adjacent boiler vents Two pipe multiple boilers vent terminations Note Keep air intake at min 12 above grade or snow line Pro...

Page 71: ...couplings to extend concentric terminations Airflow restriction will occur and may cause intermittent operation Multi venting wall terminations When two 2 or more direct vent appliances are vented ne...

Page 72: ...own turned 180 direction utilizing two elbows see Figure 9 21 5 The exhaust piping must terminate in a vertical coupling as shown in The top of the coupling must be at least 1 foot above the air intak...

Page 73: ...amage 2 Place roof penetrations to obtain minimum clearance of 12 inches 305 mm between outside edge of air intake an exhaust vent of another boiler for U S installations see Figure 9 22 For Canadian...

Page 74: ...mination height is above the roof surface or anticipated snow level 12 inches 305 mm in U S A or 18 inches 457 mm in Canada as shown in Figure 9 24 DO NOT use field supplied couplings to extend concen...

Page 75: ...lose all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building Turn on clothe...

Page 76: ...licensed electrician skilled in working on electrical installations and according to all applicable standards It is not allowed to change the internal wiring fitted by the manufacturer A spare fuse is...

Page 77: ...ers to 21 of the managing boiler 12 13 ON OFF STAT OR MODULATING HEATING CIRCUIT OPTION 1 An ON OFF thermostat can be connected If these terminals are bridged the set programmed flow temperature of th...

Page 78: ...ly handle resistive loads between 5 and 50 Watt E g an incandescent bulb of 10 50 Watt can be connected This alarm will be activated 60 seconds after an error has occurred There are a few exceptions A...

Page 79: ...T OR MODULATING HEATING CIRCUIT OPTION 1 An ON OFF thermostat can be connected If these terminals are bridged the set programmed flow temperature of the boiler will be used OPTION 2 An Modulating cont...

Page 80: ...rror has occurred There are a few exceptions Alarm output will not be activated for a service warning Alarm output will not be activated for warning 202 Appliance selection 10 Line voltage Hot wire 11...

Page 81: ...E93 1901EN032 Installation and Service Manual SlantFin VGH CH CO 81 LADDER LOGIC DIAGRAM VGH CH CO BOILERS Figure 10 3...

Page 82: ...82 E93 1901EN032 Installation and Service Manual SlantFin VGH CH CO ELECTRICAL SCHEMATIC VGH CH BOILERS Figure 10 4...

Page 83: ...E93 1901EN032 Installation and Service Manual SlantFin VGH CH CO 83 Figure 10 5...

Page 84: ...84 E93 1901EN032 Installation and Service Manual SlantFin VGH CH CO ELECTRICAL SCHEMATIC VGH CO BOILERS Figure 10 6...

Page 85: ...E93 1901EN032 Installation and Service Manual SlantFin VGH CH CO 85 Figure 10 7...

Page 86: ...modes are identical to the data presented in Table 10 5 A VGH combi boiler always has its DHW mode set to 5 Other DHW modes are not available for Combi boilers Table 10 6 shows the available sensors f...

Page 87: ...arm relay CH CO 2 para meter Display INPUTS re mark 7 Filling valve 122 Prog Input 7 0 Disabled 8 LPG tank 1 T_Flue_2 sensor not used 9 Ext Igniter 2 T_Flue_2 with blocked flue not used 10 Air damper...

Page 88: ...ENU Enter the main menu ESCAPE Escape Return to the status overview RIGHT Enter a menu item or confirm selection in Status overview when directly setting Actual setpoint or DHW setpoint LEFT Return to...

Page 89: ...and is used to remove the air from the heat exchanger The DAir sequence does not start after a general reset like the locking error reset or 24 hours reset The display will show the following string...

Page 90: ...error log Service Showing service intervals Using the submenu s following items can be set Language To set the menu language Unit Type Setting to imperial or SI units Date Time Set date time zone disp...

Page 91: ...on once The header in the display shows you are inside the main menu While scrolling through the menu you will see that the selected menu item is shown in a white rectangle Enter a menu item by pressi...

Page 92: ...n to the previous screen just press MENU or ESC to cancel After the password is entered in correctly the menu item will become available LANGUAGE SETTINGS The display has a number of different languag...

Page 93: ...will be stored in the error log An error will be logged with a real time clock time stamp date and time when the error was detected and a boiler ID of the boiler on which the error was detected The e...

Page 94: ...ive the time in hours before service actually has been completed is being logged This time is called the Service Overdue Time A maximum of 15 service moments can be logged by the system When the log i...

Page 95: ...TEMPERATURE PROTECTION The flue temperature protection function protects against the flue gas reaching a too high temperature When the T_Flue or T_Flue_2 sensor measures above the Max_Flue_Gas_Temp t...

Page 96: ...s detected the control will go to post purge in order to remove the unburned gas After this a re ignition attempt is started following the same cycle The number of re ignition attempts is limited to M...

Page 97: ...eating with full outdoor temperature reset CH mode 3 Central Heating with permanent heat demand CH mode 4 Central Heating with analog input control of setpoint CH mode 5 Central Heating with analog in...

Page 98: ...graph 11 8 1 CH outdoor reset curve The outdoor reset curve can be changed by adjusting the design and mild weather reference temperatures The calculated CH setpoint is always limited between paramete...

Page 99: ...Default Value Range CH_Mode PB1 Installer 1 Mode 0 5 Reset_Curve_Design_Boiler Sets high boiler CH setpoint when outdoor temperature is equal to Reset_Curve_Outdoor_Design PB19 Installer 176 F 80 C 32...

Page 100: ...the CH demand directly This can be done by connecting a relay contact or clock thermostat to terminal 12 and 13 on the low voltage connectors of the boiler see paragraph 10 3 1 The room thermostat is...

Page 101: ...lding Management System or a system controller The analog input 0 10 Vdc is used to adjust the boiler setpoint between the CH_Setpoint_Min and the CH_Setpoint_Max settings The minimum analog input sig...

Page 102: ...gnal value will correspond to the minimum modulation rate and the maximum modulation analog input signal value will correspond to the maximum modulation rate All other safety and control functions ass...

Page 103: ...make the boiler work correctly Or an external controller must control the system circulator and switch on and off on heat demand from the system Below table shows the maximum available pressure drop t...

Page 104: ...g when setpoint hysteresis up is reached PB 37 Installer 5 4 F 3 C 0 36 F 0 20 C DHW_Store_Supply_Extra increases the supply temperature to the storage until DHW Store_Setpoint plus DHW_Store_Supply_E...

Page 105: ...east once every 168 hours 7 days the Anti_Legionella_Sensor must reach a temperature above Anti_Legionella_Setpoint for a time specified by Anti_Legionella_Burn_Time If 7 days have passed and these co...

Page 106: ...T WW Shutdown 32 0 95 35 72 22 F C Installer Set outdoor temperature above which CH demand is locked Bas Outd T 32 0 86 30 68 20 F C Installer Set the outdoor temperature at which CH setpoint is set...

Page 107: ...max Default unit Access level Description Successful Ignitions User Display the number of successful ignitions Failed Ignitions User Display the number of failed ignitions Flame Failures User Display...

Page 108: ...Zone Correction User Set the time zone correction Daylight Savings Time User Select the daylight savings time mode B Display settings min max Default unit Access level Description Time Notation 24h 24...

Page 109: ...r Set the burner anti cycling period 9 Anti Cycle Temp Diff 0 0 36 20 28 8 16 F C Installer Set the burner anti cycling differentia 10 Design Supply Temp 39 4 194 90 185 85 F C Installer Set CH setpoi...

Page 110: ...ler Select the function for the programmable RT input See paragraph 10 6 124 Prog Output 1 0 10 4 Installer Select the function for programmable output 1 See paragraph 10 6 125 Prog Output 2 0 10 9 In...

Page 111: ...steresis down after which a module is started 144 Hyst Up Quick Stop 0 0 72 40 10 8 6 F C Installer Set the fast hysteresis up after which a module is stopped 145 Hyst Up Stop All 0 0 108 60 14 4 8 F...

Page 112: ...aller Set the hysteresis up after which a boiler is stopped 163 Hyst Down Quick Start 0 0 72 40 18 10 F C Installer Set the fast hysteresis down after which a boiler is started 164 Hyst Up Quick Stop...

Page 113: ...or is gone Warnings will disappear when the warning is gone not stored in the controls e2prom The boiler circulator will continue to run during most locking and blocking error codes This is to prevent...

Page 114: ...B reset BCU or replace BCU and or display unit 9 WRONG_ EEPROM_ SIGNATURE Contents of E2prom is not up to date outdated E2prom reset BCU or replace BCU 10 E2PROM_ ERROR Wrong safety parameters in E2pr...

Page 115: ...ogrammed as filing valve and there are too many filing attempts check if there is a leak in the central heating system or if the boiler itself is leaking also check expansion vessel on internal leak 2...

Page 116: ...ardware error wrongly programmed BCU or PB reset BCU or replace BCU and or display unit 109 REFLO_TOO_ LOW Internal hardware error wrongly programmed BCU or PB reset BCU or replace BCU and or display...

Page 117: ...ection to BCU or check resistance NTC sensor 133 NET_FREQ_ ERROR Net freq error detected by the watchdog wrong frequency from power grid or aggregate check frequency on the mains of the boiler 60Hz 13...

Page 118: ...ing cascade control lost communication with one of the depending connection between cascaded boilers is interrupted or wiring is broken check wiring between boiler or distance between boilers is to bi...

Page 119: ...nections for system configuration as shown in Figure 14 1 System configuration for handling DHW indirect tank or Central Heating demand All boilers handle either indirect tank or Central Heating deman...

Page 120: ...ck whether the installation functions correctly after changing the parameters Parameters for cascade operation are found in the Module cascade settings menu located in the Boiler settings menu Paramet...

Page 121: ...will be adjusted The boiler setpoint will be increased when the system temperature drops below Cascade_Setpoint and decreased when it rises above Cascade_Setpoint temperature Depending Boiler The CH m...

Page 122: ...m setpoint Power mode 1 Power control algorithm to have a minimum number of boilers active Power mode 2 Power control algorithm to have a maximum number of boilers active Power mode 3 Power control al...

Page 123: ...0 Disabled First_Depending_To_Start PB 175 Installer 1 1 8 16 Cascade Error handling CASCADE FROST PROTECTION Frost protection on a cascade is active on two levels Frost protection for burner cascade...

Page 124: ...which is purely informative and will not block the control Specific Parameters Display menu Level Default Value Range Emergency_Mode PB 72 User Yes Yes No Emergency_Setpoint PB 74 Installer 158 F 70...

Page 125: ...starts and after the ignition period has finished the boiler stays at high power limited by the parameter CH_max_power 6 High limit error test Simulates the Max_Temp_Error 7 Low water cut off 1 error...

Page 126: ...ttom to the outside Shortly after putting the boiler into operation check the water pressure and add or remove some water to obtain the required pressure The heat exchanger must be de aired by means o...

Page 127: ...e pressure nipple 3 of the gas safety valve for this measurement Figure 17 1 shows the position of the gas pressure nipple 3 Min and max gas supply pressures When mounting the bottom part of the conde...

Page 128: ...e following This screen is active during power up and will remain active until communication with the main Control has been established After communication has been established one of the following St...

Page 129: ...ve has been replaced Gas conversion to propane Prior to adjustments follow the procedure in 17 3 The venturi gasvalve has been replaced Prior to adjustments follow the procedure in 17 3 The fan has be...

Page 130: ...DRAWINGS Location of the setting screws Low Fire gas valve adjustment screw Torx T40 NOTE Remove the cover screw to get access to the low fire adjustement screw High Fire adjustment screw use hex key...

Page 131: ...on the vent connection 7 By setting screw 2 adjust the gas valve to obtain the CO2 value of Table 17 1 8 To return to the status screen and stop the boiler press ESCAPE or MENU 3 times or RESET once I...

Page 132: ...tage 6 confirmation apply the propane sticker and mark the box 1 Check boiler model Check the boiler model The model number can be found on the dataplate on the outside of the boiler casing right hand...

Page 133: ...t parameter 138 Appliance Type and press ENTER 7 Press UP DOWN to change the parameter according to the table and press ENTER 8 To return to the status screen press ESCAPE or MENU 4 times or RESET onc...

Page 134: ...l of the heat exchanger It must have a slight angle from the rear to ensure that the condensate drains from the heat exchanger YES NO Condensate trap from package installed according installation manu...

Page 135: ...Used chemical additions Mixing Ratio Gas supply Type of Gas from installation Is gas isolation valve installed under boiler according to installation manual YES NO Which diameter gas isolation valve i...

Page 136: ...ide the heat exchanger and burner door must be inspected If this insulation disk shows any signs of water damage or degradation it must be exchanged Also check if there are any indications in the burn...

Page 137: ...ipment Wear long sleeved shirt and pants gloves and safety goggles Wear a respirator with a N95 rated filter efficiency or better 1 Working Environment When cleaning the combustion chamber with a vacu...

Page 138: ...in normal operation When the water pressure drops below the minimum occasionally there might be a water leak Check the complete heating installation for any water leakages and have these repaired High...

Page 139: ...the ceramic insulation of the electrode When the electrode is replaced also the gasket must be replaced The electrode must be cleaned annually by lightly rubbing its surface Emery cloth sandpaper or...

Page 140: ...hand at the middle at point A Hand tighten the flange nuts with the other hand as far as possible onto the threaded studs Now the burner door is in place and the nuts can be tightened with a torque wr...

Page 141: ...ways check the gas air ratio by measuring the CO2 percentage flue gas at the maximum and minimum load of the boiler If necessary adjust these values For more information see chapter 17 Circulator inte...

Page 142: ...asket in its groove Respect the mounting direction Reassembling of the burner door set on the heat exchanger according to 19 4 3 point 5 FIBER BRAID REPLACEMENT If the high temp braided rope is damage...

Page 143: ...es by unscrewing the 4 fixing screws 2 Remove the defective damaged insulation sliding under the periphery of the insulation a thin tool for example a ruler to loosen the insulation and remove it with...

Page 144: ...especting the location of each electrode as well the tightening torque of the 4 screws of 2 5Nm 22 1 inch Lbs 4 Check the position of the electrodes against the burner as well as the distance of the i...

Page 145: ...he ignition electrode First check if the distances between the electrodes and between the electrode and the burner are according to the figure below When these are not correct try to bend the electrod...

Page 146: ...vinegar or citric acid into pail 6 Place the drain hose H3 and the hose H2 to the pump CP inlet into the cleaning solution 7 Open both service valves V1 and V2 on the hot water and cold water lines 8...

Page 147: ...test for leaks and signs of aging Record gas pressure and note pressure drop upon start up Record CO2 at high and low fire Visual and Temperature Do a visual inspection of all system components and v...

Page 148: ...PLES The following schematics present several examples of heating installations System Example 1 CH mode 0 Low Voltage Connections Name Wire terminal RT Room thermostat 12 13 High Voltage Connections...

Page 149: ...System heating circulator 4 5 PE LLH Low Loss Header System Example 4 CH mode 1 DHW mode 1 2 Low Voltage Connections Name Wire terminal RT Room thermostat 12 13 FS Flow temperature sensor 3 4 OS Outdo...

Page 150: ...mode 1 DHW mode 5 Low Voltage Connections Name Wire terminal RT Room thermostat 12 13 OS Outdoor temperature sensor 1 2 High Voltage Connections P1 Boiler circulator 6 7 PE P3 Central heating circula...

Page 151: ...Room thermostat 12 13 FS Flow temperature sensor 3 4 OS Outdoor temperature sensor 1 2 High Voltage Connections P1 Boiler circulator 6 7 PE P3 System circulator 4 5 PE DV Diverter valve 3 way valve 1...

Page 152: ...Manual SlantFin VGH CH CO 21 SPARE PARTS VGH xx CH Figure 21 1 Wiring harness 55 96 54 39 66 59 4 6 11 14 5 58 56 22 13 1 60 21 25 83 16 20 26 19 87 100 32 101 34 35 28 33 29 32 36 27 31 56 57 30 12...

Page 153: ...44 45 76 47 72 79 84 76 72 78 72 84 82 82 80 84 82 81 84 82 78 76 72 74 84 82 81 80 79 77 76 72 75 73 Remarks All parts are supllied with glued bonded parts such as grounding lips stips isolation stic...

Page 154: ...t 81 7225 000 x x x x x 11 Sermeta quick connect clip 81 7249 000 x x x x x 12 Burner door 80CH 90CO 81 7250 000 x NA NA NA NA 12 Burner door 100CH 81 7251 000 NA x NA NA NA 12 Burner door 120CH 150CO...

Page 155: ...al nylon 81 7220 000 x x x x x 44 Knock Out Seal nylon 81 7221 000 x x x x x 45 Knock Out Seal 1 nylon 81 7222 000 x x x x x 46 Snap ring pressure switch 81 7267 000 x x x x x 47 Condensate trap 81 72...

Page 156: ...7168 000 x x x x x 77 3 way valve 81 7164 000 x x x x x 78 Pressure sensor Eltek 81 7238 000 x x x x x 79 Automatic air vent in hydroblock 81 7166 000 x x x x x 80 Circulator Motor UPS R 81 7223 000 x...

Page 157: ...rvice Manual SlantFin VGH CH CO 157 22 SPARE PARTS VGH CO Figure 22 1 Wiring harness 55 98 96 54 99 89 14 22 13 39 66 1 21 25 16 26 20 19 87 32 100 101 28 34 35 33 32 57 29 27 36 31 30 37 56 61 12 16...

Page 158: ...77 79 76 69 76 68 78 93 71 95 62 72 43 44 45 47 92 84 80 91 82 94 94 81 95 94 93 92 91 84 82 81 80 79 78 77 76 72 90 51 51 50 52 52 48 49 17 49 15 23 18 24 15 11 10 9 59 24 23 10 17 18 Figure 22 2 Rem...

Page 159: ...B 3977K quick connect 81 7225 000 x x x 11 Sermeta quick connect clip 81 7249 000 x x x 12 Burner door 80CH 90CO 81 7250 000 x NA NA 12 Burner door 120CH 150CO 81 7252 000 NA x NA 12 Burner door 150C...

Page 160: ...x x x 47 Condensate trap 81 7263 000 x x x 48 3 in 1 one intake air vent connector 80mm 3 81 7169 000 x x x 49 Combustion Test port Cap M20x2 Ral 9012 81 7293 000 x x x 50 3 in 1 one exhaust vent con...

Page 161: ...86 Gas Valve 120VAC 81 7257 000 x x x 87 Burner Control 900MN 120VAC 90 CO 81 7176 000 x NA NA 87 Burner Control 900MN 120VAC 150 CO 81 7177 000 NA x NA 87 Burner Control 900MN 120VAC 200 CO 81 7179...

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Page 164: ...UBLICATIONVGHR 40 SLANT FIN CORPORATION Greenvale N Y 11548 Phone 516 484 2600 FAX 516 484 5921 Canada Slant Fin LTD LTEE Mississauga Ontario 400 Ambassador Drive Mississauga Ontario L5T 2J3Phone 905...

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Slant/Fin VHG-100-CH, Installation And Service Manual

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