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Lochinvar HERALD HCB116CE Installation manual

Manual is about: FLOOR STANDING GAS FIRED CONDENSING BOILERS

Summary of HERALD HCB116CE

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    1 installation manual_herald 46-86_februaury 2018 herald floor standing gas fired condensing boilers installation, commissioning, maintenance and user instructions models: hcb46ce hcb61ce hcb86ce.

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    2 table of contents 1.0 introduction ...................................................................................................................................................................................................................................... 4 2.0 safety guidelines............

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    3 19.4 burner removal ...................................................................................................................................................................................................................... 66 19.5 cleaning the heat exchanger ..............................

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    4 1.0 introduction the lochinvar heraldrange is a floor standing gas fired condensing boiler. The equipment comprises a stainless steel radial burner assembly and a heat exchanger that permits fully condensing operation. The burner is initiated by a full electronic ignition sequence control that inc...

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    5 2.0 safety guidelines read and understand the instructions read and fully understand all instructions before attempting to operate maintain or install the unit. Keep these instructions near the boiler for quick reference. This equipment must be installed by a competent person, registered with the ...

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    6 2.2 what to do if you smell gas warning if you smell gas no naked flames, no smoking! Avoid causing sparks, do not switch on or off electrical equipment or lights open windows and doors shut off the main gas supply warn occupants and leave the building after leaving the building alert the local ga...

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    7 3.0 principal parts item description function note 1 stainless steel heat exchanger allows water to flow through specially designed coils for maximum heat transfer, while providing protection against flue gas corrosion. The coils are encased in a jacket that contains the combustion process. Not sh...

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    8 3.1.2 p rinciple parts to be used in conjunction with table 3.1.1.

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    9 4.0 technical data model number hcb46ce hcb61ce hcb86ce general data product i.D. Number ce 0063 cq3351 classification 112h31b/p input (gross) kw 44 61.5 83.5 input (net) kw 39.6 55.4 75.2 output (50º/30º) kw 41.2 58.7 79.7 output (80º/60º) kw 38.5 53.2 71 seasonal efficiency % 96.4 95.6 96 shippi...

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    10 5.0 dimensions and clearances 5.1 dimensional drawings note full dimensional drawings showing connection sizes and positions are available from lochinvar technical support 5.1.1 d imensional drawing model hcb46ce-hcb61ce 5.1.2 d imensional drawing models , hcb86ce model dimension unit hcb46ce hcb...

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    11 5.2 clearances 5.2.1 enclosure installation clearances ( mm ) 5.2.2 plant-room installation clearances ( mm ).

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    12 6.0 general requirements the lochinvar herald condensing boiler has been designed to operate trouble free for many years. These instructions should be followed closely to obtain the maximum usage and efficiency of the equipment. Read and understand the instructions read and fully understand all i...

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    13 7.0 water quality the lochinvar herald contains a stainless steel heat exchanger; therefore, care must be exercised to ensure that the system water and any water treatment are compatible. Whenever a new boiler is connected to an existing system, the pipework must be thoroughly cleaned and flushed...

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    14 8.3 clearances the location chosen for the equipment must permit the provision for a satisfactory flue system and, where necessary, an adequate air supply. The location must also provide adequate space for servicing and air circulation around each unit. This includes any electrical trunking laid ...

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    15 equipment gas system leak check an approved gas-inlet appliance isolating valve and union should be installed for each unit in a convenient and safe position and be clearly marked. Ensure that the gas-inlet appliance isolating valve is in the off position. Although the equipment receives a gas le...

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    16 10.0 flue system all versions of the herald condensing boiler can be installed as either type b23 (fan assisted open flue) or c13, 33, c53 (room sealed) appliances. See the relevant section for details of each flue type and requirements. Standard flue kits are available as an ancillary item, thes...

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    17 10.2 flue system technical details model number hcb46ce hcb61ce hcb86ce flue data type b 23 nominal flue diameter mm 80+/-0.6 100+/-0.6 maximum flue gas temp °c 120 maximum equivalent length m 60 equivalent length 90 bend mm 1000 equivalent length 45 bend mm 500 flue gas temperature °c 70 flue dr...

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    18 10.4.1 flue terminal positions location description hcb46ce – hcb61ce hcb86ce a directly below an opening, air brick, opening windows etc. 300 2000 b above an opening, air brick, opening windows etc. 300 1000 c horizontally to an opening, air brick, opening windows etc. 300 1000 d below a gutter ...

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    19 10.5 approved flue system for concentric and twin pipe flue systems only the lochinvar supplied m&g flue system must be used the approved flue system is not suitable for use external to the building. If external routes cannot be avoided, a flue system manufacturer should be consulted to supply a ...

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    20 10.1 room sealed (type c) flue assembly in order to install the herald boiler with a type c (room sealed) flue system a flue transition kit must first be installed, this kit is used for both c 13 (horizontal) and c 33 (vertical) flue systems. The information in this paragraph describes these flue...

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    21 to install the flue connection to the hcb46ce – hcb61ce boilers the following procedure should be followed: 1. Check you have all items shown in section 10.2.1 2. Check the flue temperature sensor (supplied with the boiler) is securely located into the hole on the exhaust transition. If the flue ...

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    22 10.3 installation of transition kit to hcb86ce boiler 10.3.1 flue transition parts hcb86ce depending upon the flue kit chosen either a vertical or horizontal concentric terminal will be included in the packaging with the transition kit, additional elbows, flue lengths etc. Further items are avail...

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    23 to install the flue connection to the hcb86ce boiler the following procedure should be followed: 1. Check you have all items shown in section 10.3.2. 2. Check the flue temperature sensor (supplied with the boiler) is securely located into the hole on the exhaust transition. If the flue temperatur...

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    24 10.4 c13 concentric horizontal flue systems flue system specifications manufacturer muelink and grol (m&g) temperature class t120 flue gas material pp each concentric horizontal flue kit includes the items shown in the tables below item no hbhf001 concentric horizontal flue assembly models hcb46c...

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    25 11.0 flue terminal installation 11.1 type c 13 (horizontal room sealed) 11.1.1 horizontal concentric room sealed application, models hcb46ce-hcb61ce 11.1.2 horizontal concentric room sealed application, models hcb86ce when the boiler is installed as a type c 13 (horizontal concentric) appliance, ...

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    26 5. Fill the void between the terminal and wall with water resistant sealant. 6. Fit the wall plates or rosette using appropriate fixings. 7. Install the remainder of the flue system working progressively away from the boiler supporting the pipes as necessary. 11.1.3 horizontal terminal installati...

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    27 11.3 c 33 concentric vertical flue systems flue system specifications manufacturer muelink and grol (m&g) temperature class t120 flue gas material pp each concentric horizontal flue kit includes the items shown in the tables below item no hbvf001 concentric vertical flue assembly models hcb46ce,h...

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    28 11.4 type c 33 (vertical room sealed) 11.4.1 vertical concentric room sealed application, models hcb46ce-hcb61ce 11.4.2 vertical concentric room sealed application, models hcb86ce when the boiler is installed as a type c 33 (vertical concentric) appliance, the flue system should be installed as f...

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    29 11.4.3 vertical terminal roof flashings for synthetic, flat and tiled roofs 11.4.4 installing terminal through roof flashing.

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    30 11.4.5 g eneral concentric flue system installation guidelines the information in this section is for general guidance only and may not fully represent the installation on site do not drill and screw into flue system.

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    31 max distance between brackets.

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    32.

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    33.

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    34 11.5 type c 43 (u duct) this appliance can operate on a u-duct common flue system. The maximum lengths for the interconnecting flue can be found in section 10.2.1. Concrete components of the u-duct must meet the requirements of bs en 1858. Model no. Nominal flue diameter mass rate @ 100% mass rat...

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    35 when installing the boiler as a type c53 appliance, it should be noted that the terminals must not be installed on opposite sides of the building. If the flue temperature sensor is not fitted, the flue gas temperature may exceed the maximum temperature rating of the flue and can lead to severe pe...

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    36 11.6.1 general twin-pipe installation guidelines the information in this section is for general guidance only and may not fully represent the installation on site.

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    37.

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    38 to install a type c 53 terminal or air inlet, the procedure for either a type c 13 (horizontal) or a type c 33 (vertical) terminal should be followed noting that the annular space of the terminal should be sealed off..

  • Page 39: Item No Hbcf001

    39 11.7 type b 23 (conventional flue with fan assistance) when the boiler is installed as a type b 23 appliance, the flue system should be installed in accordance with the flue manufacturer’s specific instructions. Item no hbcf001 fan assisted open flue starter assembly kit contains components to st...

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    40 1.Insert the exhaust transition into the exhaust port of the boiler. 2..Insert the flue temperature sensor into the location hole on the exhaust transition. If the flue temperature sensor is not fitted, the flue gas may exceed the maximum temperature rating of the flue and can lead to severe pers...

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    41 12.0 air supply the following information is based on single boiler installations only. If more than one boiler is being used, bs5440-2 or bs6644 (as appropriate) should be consulted to calculate the necessary requirements. 12.1 combustion ventilation when used as a type c (room sealed) appliance...

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    42 13.0 water connections 13.1 general adaptors are required to convert the ntp (male) thread on the heat exchanger to bsp (female). These adaptors can be found in the packing carton. The bsp section of the adaptor is indicated with blue paint. The requirements of minimum water flow are given in sec...

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    43 13.3.1 typical schematic, single boiler with low loss header 13.3.2 typical schematic, single boiler with plate system separator.

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    44 14.0 schematics 14.1 key for schematics lochinvar limited may provide technical advice and guidance to assist with best practice, optimisation and installation of lochinvar products; however, we will not be liable for any duties as designers under construction (design and management regulations 2...

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    45 14.1.1 typical installation showing multiple herald boilers with cascade control and alternative leader dhw working as a zone.

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    46 14.1.1 typical installation showing multiple herald boilers with cascade control and alternative leader dhw priority.

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    47 14.1.2 expansion vessel sizing the following information is based on a static head of 35mtrs and a cold fill pressure of 3.5bar. If the system has different parameters, a more detailed calculation will need to be made. V v = s v * e 0.45 where: v v = vessel volume s v = system volume e = coeffici...

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    48 14.3 primary pipework header sizing the pipework header between the primary herald boiler circuit and the secondary heating circuit must be sized as per the guidance given in this section. Failure to use the correct size of pipe header will cause operational problems and potential early failure o...

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    49 15.0 electrical supply wiring external to the equipment must be installed in accordance with the i.E.E. Regulations and any local regulations that apply. Model normal supply voltage external fuse rating power consumption hcb46ce 230v ac 50 hz 1 ph 6.0 a 120 w hcb61ce 144 w hcb86ce 180 w 15.1.1 el...

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    50 15.3 high voltage connector strip n l n l n l n l mains 230v~50hz pump outputs 190 watts max secondary primary d.H.W. 15.3.1 high voltage connection strip the output across the 3 terminals should not exceed 190w per terminal. It is highly recommended these switched outputs are only used to switch...

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    51 pin connection output / input notes 1-2 alarm contacts volt free – close on alarm an internal volt free contact across pins 1 and 2 will close in the event of the heater locking out. This connection can be used by a bms to monitor the operation of the heater. 3-4 runtime contacts volt free – clos...

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    52 15.5 electrical connections access to the high voltage and low voltage connection strips can be made by removing the appropriate knockouts on the back panel of the boiler. All connections should be secured using an appropriate cord anchorage. One cord anchor is supplied with the boiler for securi...

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    53 15.8 wiring diagram 15.8.1 wiring diagram.

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    54 15.9 ladder diagram 15.9.1 ladder diagram.

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    55 16.0 smart system control 16.1 general the lochinvar herald uses the smart system control interface. The control panel display gives information on set- up, system status and diagnostic data in words rather than codes. 16.2 smart system control panel 1 usb drive 2 pc connection 3 left select key ...

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    56 16.3 saving parameters please note that the brackets ([]) denote screen status. 16.3.1 to save parameters and exit programming press the right select (save) key and then press the right select (home) key. 16.3.2 to enter a parameter and continue programming press the right select (save) key 1 tim...

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    57 6 if flame is not detected after spark ends the control will perform a post-purge, then start another pre-purge cycle and try to light the boiler again. 7 if the flame is detected it holds the firing rate steady for a few seconds then begins to modulate the firing rate based on a set point or som...

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    58 16.4 status display screens section display description a (boiler status bar) standby the unit has not received a call for heat start the unit has received a call for heat and is checking all safety circuits prepurge the unit has received a call for heat and has initiated a pre-purge period ignit...

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    59 section display description c(operatio nal information ) bms screen a. 0-10v bms in b. 0-10v bms out c. Bms address d. Bms control? E. Sys pump speed f. Blr pump out history screen a. Sh run time total space heating run time b. Sh cycles total space heating demand cycles c. Dhw run time total dhw...

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    60 17.0 commissioning and testing 17.1 electrical installation notes on the requirements for electrical installation are provided in section 15.0. A schematic drawing of the control circuit is shown in section 15.0: wiring diagram. 17.2 gas installation for design see 9.0: gas supply. See section3.0...

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    61 17.4.3 procedure for initial lighting if the unit is to operate on lpg refer to section 18.0 before proceeding 1. Ensure that the external gas-inlet appliance isolating valve, provided by the installer, is in the “off” position. 2. Press the power rocker switch, positioned on the back of the appl...

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    62 18.0 lpg fuel it is strongly recommended that, on lpg installations, gas detection equipment is fitted. This equipment should be positioned near the appliance and at low level. It is also important that the space housing the appliance is adequately ventilated at high and low level. This appliance...

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    63 if the boiler is already installed and operational, you must turn off the gas supply, turn off the power supply and allow the boiler to cool before proceeding. The conversion procedure is as follows: 18.2.2 hcb46ce – hcb86ce 1. Remove the top and front access covers from the unit (no tools requir...

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    64 18.3 lpg commissioning and testing the commissioning procedure on lpg is similar to that when the boiler is firing on natural gas. As such, the same procedure should be followed taking in to account the following information: 18.3.1 lpg pressure adjustment and combustion checks the lochinvar hera...

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    65 19.0 maintenance 19.1 general keep appliance area clear and free from combustible materials and flammable vapours and liquids. A competent person should check and ensure that the flue, its support and terminal, the ventilation to the boiler house, safety valve, drain, pressure gauge etc. Are in a...

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    66 19.4 burner removal if it has been determined that the flame picture is unacceptable, the burner can be removed and cleaned using the following procedure: 1. Isolate the electrical and gas supplies to the heater. 2. Allow the boiler to cool down. 3. Disconnect the wiring connections to the igniti...

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    67 19.7 refilling the system 1. Close the drain valve. 2. Open the cold-water inlet valve from the header tank or pressurisation unit to boiler system. 3. Working systematically towards the highest point in the system, open all bleed valves and allow any trapped air to escape. 4. Follow the lighting...

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    68 20.0 smart system control settings 20.1 display panel access menu to access menus from the display panel use the procedure shown below: only suitably qualified engineers should alter the settings and parameters within the herald boiler. Incorrect settings could lead to operational problems within...

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    69 20.2 parameter setting menu description see user access installer section access general vacation mode (on/off) 21.1 yes yes time and date 21.1 yes yes software version (read only) 21.1 no yes temperature units ( ° c/ ° f) 21.1 yes yes sh night setback offset 21.1 if sh nsb > 0: 21.1 i. Sh night ...

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    70 menu description see section user access installer access dhw settings (cont.) tank minimum set point 21.5 no yes tank maximum set point 21.5 no yes dhw max rate 21.5 no yes dhw type (normal, zone) i. Sh/dhw switching time ii. Dhw/sh switching time else: 21.5 i. Dhw forces sysp (yes/no) no yes ii...

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    71 menu description see section user access installer access anti-cycling anti-cycling time 21.7 no yes anti-cycling override differential 21.7 no yes ramp delay (enable/disable) 21.8 no yes modulation factor 21.8 no yes control modes controlling sensor(outlet/system supply/inlet) 21.9 no yes cascad...

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    72 menu description see section user access installer access circulation pumps system pump delay 21.11 no yes boiler pump delay 21.11 no yes dhw pump delay 21.11 no yes system pump anti-seize delay 21.11 no yes boiler pump anti-seize delay 21.11 no yes dhw pump anti-seize delay 21.11 no yes system p...

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    73 21.0 viewable and changeable control parameters before changing p a r a m e t e rs , n o t e t h e settings so that the unit can be returned to its original operating parameters. 21.1 general 21.1.1 v acation m ode this parameter forces the space heating (sh) and dhw set points to decrease by the...

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    74 21.1.6 s pace h eating (sh) and d omestic h ot w ater (dhw) n ight s etback o n and o ff t imes these are the times at which the sh night setback and dhw night setback offsets become active and inactive. There are seven (7) stop times and seven (7) start times each for the sh and dhw night setbac...

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    75 21.2.3 s pace h eating (sh) m aximum s et p oint the sh maximum set point sets the maximum water temperature set point that can be used for space heating. The user or installer will not be able to program the control with a higher sh set point. This parameter can only be changed by the installer ...

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    76 21.5 dhw settings 21.5.1 dhw t ank s et p oint by installing a tank sensor, the smart system control can perform the tank thermostat function. The smart system control automatically detects the presence of this sensor, and generates a dhw call for heat when the tank temperature drops below the ta...

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    77 21.5.10 f an s peed l imiting for i ndirect dhw t ank this parameter determines the maximum fan speed (and therefore the maximum kw rate) to be used when heating an indirect dhw tank. This setting may be used when the tank is unable to accept all of the kw available from the boiler. This paramete...

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    78 21.6 outdoor reset the option of controlling up to three (3) different outdoor resets for low outdoor temperatures is available. 21.6.1 o utdoor (1 - 3) l ow when the outdoor air temperature drops to this point, the water temperature will be at the set point 1 at low outdoor temp 1, set point 2 a...

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    79 21.6.5 s et p oint (1 - 3) at h igh o utdoor t emperature when the outdoor air temperature rises to or above outdoor (1 - 3) high parameters, the calculated set point will be at this setting (fig. 1-1). These parameters can be changed by the installer by accessing the set point 1 at high outdoor ...

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    80 21.7 anti-cycling 21.7.1 a nti -c ycling t ime once the burner turns off, a set amount of time must elapse before the control will respond to a new demand. The control will block the new heat demand and anti-cycling will be shown in the display until the time has elapsed or the water temperature ...

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    81 21.8 ramp settings please note that the brackets ([]) denote screen status. The smart system control can be programmed to limit the firing rate for a fixed period of time at the start of a space heating or bms set point demand. There are six (6) possible limits, each with their own time delay. Th...

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    82 21.9.5 c ascade d ifferential this parameter determines how much the temperature must go below the turn off temperature (set point + offset) before the lead boiler turns on. This parameter can be adjusted by the installer by accessing the cascade differential parameter. The temperature range of t...

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    83 21.9.10 a lternate l eader this parameter allows the member 1 boiler to automatically assume control of the cascade should it lose communication with the leader boiler. When programmed to yes, it is recommended that the member 1 boiler have its own set of external sensors installed (such as the s...

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    84 21.10.3 r ate at m inimum v olts when programmed for bms control through the 0 - 10v bms input or through modbus/bacnet and the bms type is programmed as power, the modulation percentage represented by the volts at minimum parameter is set by the rate at minimum volts parameter. The minimum value...

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    85 21.10.11 o ff d ifferential v olts when programmed for bms control through the 0 - 10v bms input or through modbus/bacnet and the bms thermostat input is set to inactive, the off differential volts parameter determines how far below the on volts setting the 0 - 10v bms input voltage must be in or...

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    86 21.11.7 s ystem p ump t ype the system pump can be programmed to operate in response to any of the room thermostat inputs, or to run continuously until all three (3) sh demands go into outdoor shutdown. To program the system pump to operate only with a space heating call for heat, set the system ...

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    87 21.12.4 s ervice n ame and p hone n umber please note that the brackets ([]) denote screen status. When a maintenance reminder timer or counter has expired, a maintenance reminder screen will appear on the display. By programming the installer’s name and phone number, this information will appear...

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    88 22.0 erp data table type boiler: hcb46ce hcb61ce hcb86ce hcb116ce hcb146ce hcb176ce hcb206ce hcb236ce condensing boiler: yes yes yes yes yes yes yes yes low temperature boiler: yes yes yes yes yes yes yes yes b11 boiler: no no no no no no no no cogeneration space heater: no no no no no no no no c...

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    89 23.0 user instructions once the installation and commissioning is complete, the equipment owner or their representative should be made aware of the operation of the appliance and its safety devices. A practical demonstration should be given describing each functional step. Incorrect use may resul...

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    90 23.4 smart system control 1 usb drive 2 pc connection 3 left select key 4 navigation dial 5 reset switch 6 right select key the information on the bottom of the display shows the functions of the two select keys on both corner, and the navigation dial in the centre. Menu left select key setpoints...

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    91 23.6 maintenance see section 19.0 maintenance 23.7 air supply when installed as a conventionally flued appliance, the room in which the appliance is installed must be ventilated. Blocking these vents may lead to severe injury, serious property damage or death. The area in which the appliance is i...

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    92.