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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 herald series boilers are supplied with a pre-set gas/air ratio inlet assembly.
This must not be tampered with. Any attempt to adjust the gas valve or venturi will
invalidate the warranty.

Combustion figures should be as follows:

Model No.

HCB46CE

10.5%



0.5%

<100 ppm

HCB61CE

10.5%



0.5%

<100 ppm

HCB86CE

10.5%



0.5%

<100 ppm

18.3.2

LPG

COMBUSTION

FIGURES

If the combustion figures are not within the range specified, contact Lochinvar Technical support for further guidance.

Содержание HERALD HCB116CE

Страница 1: ...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...

Страница 2: ...Vertical room sealed 28 11 5 TYPE C43 U duct 34 11 6 TYPE C53 Twin pipe 34 11 7 TYPE B23 Conventional flue with fan assistance 39 11 8 C63 Certified Flue Systems 40 12 0 AIR SUPPLY 41 12 1 COMBUSTION...

Страница 3: ...NCTIONS 75 21 5 DHW SETTINGS 76 21 6 OUTDOOR RESET 78 21 7 ANTI CYCLING 80 21 8 RAMP SETTINGS 81 21 9 CONTROL MODES 81 21 10 BUILDING MANAGEMENT SYSTEM BMS 83 21 11 CIRCULATION PUMPS 85 21 12 SERVICE...

Страница 4: ...ction 18 0 LPG FUEL This equipment MUST NOT use gas other than that for which it has been designed and adjusted This equipment must be installed by a competent person registered with a H S E approved...

Страница 5: ...cation becomes invalid Commissioning maintenance and repair must be done by a skilled installer engineer according to all applicable standards and regulations 2 1 GENERAL DESCRIPTION OF SAFETY SYMBOLS...

Страница 6: ...to do so Lochinvar limited is not liable for any damage caused by inaccurately following these mounting instructions Only original parts may be used when carrying out any repair or service work This a...

Страница 7: ...3 4 or 1 depending on the model This pipe should be connected to the incoming gas supply for the purpose of delivering gas to the boiler 15 SMART Control Module The SMART Control responds to internal...

Страница 8: ...8 3 1 2 PRINCIPLE PARTS TO BE USED IN CONJUNCTION WITH TABLE 3 1 1...

Страница 9: ...bar 17 5 Gas flow rate m3 hr 4 2 5 9 8 Flue gas mass rate 9 0 CO2 g sec 16 22 3 30 4 Gas inlet connection size BSP GAS DATA G31 Nominal gas inlet pressure mbar 37 Maximum gas inlet pressure mbar 45 Mi...

Страница 10: ...showing connection sizes and positions are available from Lochinvar technical support 5 1 1 DIMENSIONAL DRAWING MODEL HCB46CE HCB61CE 5 1 2 DIMENSIONAL DRAWING MODELS HCB86CE Model Dimension Unit HCB4...

Страница 11: ...11 5 2 CLEARANCES 5 2 1 ENCLOSURE INSTALLATION CLEARANCES MM 5 2 2 PLANT ROOM INSTALLATION CLEARANCES MM...

Страница 12: ...entilation for gas appliances of rated input not exceeding 70 kW net 1st 2nd and 3rd family gases Specification for installation and maintenance of ventilation for gas appliances BS 6644 2011 Specific...

Страница 13: ...minimum clearances and service clearances as detailed in PLANT ROOM INSTALLATION CLEARANCES mm are observed If the appliance is to be installed in a compartment or a hot environment the minimum cleara...

Страница 14: ...31 37mbar For details relating to Propane 3P please refer to Section on LPG FUEL 9 1 SERVICE PIPES The local gas distributor must be consulted at the installation planning stage in order to establish...

Страница 15: ...in the OFF position Although the equipment receives a gas leak check and gas train component integrity check prior to leaving the factory transit and installation may cause disturbance to unions fitt...

Страница 16: ...use the condensate will freeze This risk should be taken into account during the design phase of the heating installation Herald boilers will produce large condense clouds especially during cold weath...

Страница 17: ...quivalent length is the sum of the air inlet components and the exhaust components 10 3 FLUE DISCHARGE The flue system must ensure safe and efficient operation of the equipment to which it is attached...

Страница 18: ...roof 200 200 G From a vertical drain or soil pipe 150 150 H From an internal or external corner 300 300 I Above ground roof or balcony level 300 300 J From a surface facing the terminal 600 1000 K Fro...

Страница 19: ...ature sensor This must be fitted during the installation of the flue system Failure to do so may lead to severe personal injury death or substantial property damage The Boiler must not be operated unl...

Страница 20: ...al will be included in the packaging with the transition kit additional elbows flue lengths etc Further items are available as ancillaries and may be required to complete the flue system Additional wa...

Страница 21: ...transition Item 4 into the intake connection reducer shown below and tighten the worm drive clip 4 To the bottom exhaust connection of the concentric adaptor fit one of the 80mm 90 elbows and then fit...

Страница 22: ...dditional wall brackets may be required to ensure the flue system is stable For a full list of flue components supplied and optional parts to complete the system see the herald flue guide available at...

Страница 23: ...air intake transition Item 5 into the intake connection reducer and tighten the worm drive clip 4 To the bottom exhaust connection of the concentric adaptor fit one of the 80mm 90 elbow then fit the...

Страница 24: ...T TRANSITION 80mm ALU 4 1 M85271B EXTENSION 80mm 500mm PP CUT TO LENGTH 5 1 M84460B CONCENTRIC BEND 90 80 125mm PP 6 1 M86934B CONCENTRIC HORIZONTAL TERMINAL 80 125mm PP NO WALL PLATES 7 1 M28925B TER...

Страница 25: ...ng care to protect the appliance from debris and dust drill a hole in the desired location The diameter of the hole should be no more than 10mm greater than the diameter of the air supply pipe of the...

Страница 26: ...inder of the flue system working progressively away from the boiler supporting the pipes as necessary 11 1 3 HORIZONTAL TERMINAL INSTALLATION 11 2 FLUE TERMINAL GUARDING If a horizontal flue terminal...

Страница 27: ...INLET TRANSITION 80mm ALU 4 1 M85271B EXTENSION 80mm 500mm PP CUT TO LENGTH 5 1 LV310744B CONCENTRIC EXTENSION 80 125mm 280 395mm PP TELESCOPIC 6 1 M86864B CONCENTRIC VERTICAL TERMINAL 80 125mm PP 7...

Страница 28: ...r of the hole should be no more than 10mm greater than the diameter of the air supply pipe of the terminal The hole should be drilled from the outside to ensure that no damage is done to the roofing m...

Страница 29: ...29 11 4 3 VERTICAL TERMINAL ROOF FLASHINGS FOR SYNTHETIC FLAT AND TILED ROOFS 11 4 4 INSTALLING TERMINAL THROUGH ROOF FLASHING...

Страница 30: ...GENERAL 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 fl...

Страница 31: ...31 Max distance between brackets...

Страница 32: ...32...

Страница 33: ...33...

Страница 34: ...TYPE C53 TWIN PIPE Flue system specifications MANUFACTURER MUELINK AND GROL M G TEMPERATURE CLASS T120 FLUE GAS MATERIAL PP Each Twin Pipe starter assembly includes the items shown in the tables below...

Страница 35: ...osite 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 personal injury death or...

Страница 36: ...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...

Страница 37: ...37...

Страница 38: ...install a Type C53 terminal or air inlet the procedure for either a Type C13 horizontal or a Type C33 vertical terminal should be followed noting that the annular space of the terminal should be seale...

Страница 39: ...iance only MODELS HCB46CE HCB61CE COMPONENTS INCLUDED Item No Description Number Quantity M75256B AIR INLET TRANSITION 80mm ALU 1 1 M73039B AIR INLET GRILLE 80mm ALU 2 1 M85279B SAMPLING POINT 80mm PP...

Страница 40: ...oncentric or Twin Pipe flue systems C63 certified appliances allow the installer to use other flue systems when installing the Boiler however they must be of a suitable minimum standard as per Table b...

Страница 41: ...E Model Input Gross kW Input Net kW Plant Room Enclosure Low Summer Use Medium Summer Use High Summer Use Low Summer Use Medium Summer Use High Summer Use High cm2 Low cm2 High cm2 Low cm2 High cm2 Lo...

Страница 42: ...for connection to the system are detailed in TECHNICAL DATA 5 Ideally individual valves should be fitted to each unit to enable isolation from the system The arrangement must comply with the requirem...

Страница 43: ...43 13 3 1 TYPICAL SCHEMATIC SINGLE BOILER WITH LOW LOSS HEADER 13 3 2 TYPICAL SCHEMATIC SINGLE BOILER WITH PLATE SYSTEM SEPARATOR...

Страница 44: ...information is provided the customer must assess and manage risks associated with the technical information and advice provided SYMBOL DESCRIPTION IV ISOLATION VALVE LSV LOCKSHIELD VALVE TD TUNDISH E...

Страница 45: ...45 14 1 1 TYPICAL INSTALLATION SHOWING MULTIPLE HERALD BOILERS WITH CASCADE CONTROL AND ALTERNATIVE LEADER DHW WORKING AS A ZONE...

Страница 46: ...46 14 1 1 TYPICAL INSTALLATION SHOWING MULTIPLE HERALD BOILERS WITH CASCADE CONTROL AND ALTERNATIVE LEADER DHW PRIORITY...

Страница 47: ...A suitable primary pump sized in accordance with 14 2 1 should be fitted to the inlet to the boiler Primary pumps are available from Lochinvar Limited as ancillary items T C 13 89 16 67 19 44 22 22 25...

Страница 48: ...Herald boiler primary circuit and the heating secondary circuit Using the simple schematics shown in section 14 3 2 size the pipework header A shown in blue and pipework header B shown in red Using th...

Страница 49: ...untime signal Volt free lock out alarm signal 0 10V burner firing rate 0 10V Boiler pump speed 0 10V System pump speed 24VAC auxiliary device enable signal e g to start fan dilution system The Herald...

Страница 50: ...ons should be used to energise a suitable contactor BOILER 230 VAC Live Neutral and Earth connections for a boiler shunt pump If the pump rating exceeds 190 watts the Live and Neutral connections shou...

Страница 51: ...om sensor can be connected to terminals 19 and 20 to control the output from the boiler This connection is not polarity sensitive Can also be used for a BMS 0V enable signal 21 22 HEAT LOOP DEMAND 1 2...

Страница 52: ...d If a knockout is removed by mistake the resulting hole must be blocked with an appropriate anchor plug or grommet to prevent accidental access to the live parts within the boiler 15 6 FUSES The Hera...

Страница 53: ...53 15 8 WIRING DIAGRAM 15 8 1 WIRING DIAGRAM...

Страница 54: ...54 15 9 LADDER DIAGRAM 15 9 1 LADDER DIAGRAM...

Страница 55: ...AVIGATION dial in the centre MENU Left SELECT key SETPOINTS NAVIGATION dial pressing down SHDN Right SELECT key The smart system control face instantly informs the user of the status of the boiler by...

Страница 56: ...IGHT SELECT key when programming is completed in order to save the changes made 16 3 3 SEQUENCE OF OPERATION Operation Display 1 Upon a call for heat the gas pressure switch s must be closed 2 Once th...

Страница 57: ...he boiler pump will turn off this will divert the water to the indirect tank coil The control will modulate to maintain the DHW set point 9 If the boiler is not part of a Cascade and both heating and...

Страница 58: ...detected a condition that has temporarily interrupted the call for heat B Call for heat indicators 1 Room thermostat 1 has called for heat 2 Room thermostat 2 has called for heat 3 Room thermostat 3 h...

Страница 59: ...STATUS a CASCADE STATUS b CASCADE POWER c PRESENT NIGHT SETBACK a TRIGGER 1 next space heating night setback trigger b TRIGGER 2 next DHW night setback trigger Section Display Description D LEFT SELE...

Страница 60: ...nvolved are aware of what action is about to be taken and begin by making the following checks 1 Flueway passages are clear 2 Adequate ventilation exists in the plant room if necessary 3 The system is...

Страница 61: ...combustion figures are not within the range specified contact Lochinvar Technical support for further guidance Combustion figures for Propane firing can be found in Section 18 0 LPG FUEL 17 5 TEMPERA...

Страница 62: ...ercial premises with installation pipework sizes not exceeding dn25 for steel and dn28 for corrugated stainless steel or copper The operation of the Herald range on LPG Propane 3rd Family 3P is simila...

Страница 63: ...e orifice disk is correct for the boiler see LPG ORIFICE MARKINGS 5 Place the orifice into the black rubber grommet in the side of the gas valve ensuring the orifice and grommet are seated correctly s...

Страница 64: ...The Lochinvar herald series boilers are supplied with a pre set gas air ratio inlet assembly This must not be tampered with Any attempt to adjust the gas valve or venturi will invalidate the warranty...

Страница 65: ...ny changes in operational characteristics 19 2 MAINTENANCE SCHEDULE The boiler has a built in function that reminds the user that routine maintenance is due As a default this is set to 12 months 10 00...

Страница 66: ...19 5 CLEANING THE HEAT EXCHANGER To clean the heat exchanger the following procedure should be carried out 1 Remove the burner as above 2 Use a vacuum cleaner to remove any accumulation on the heating...

Страница 67: ...ck the valve the manual override lever should be operated several times The valve should seat properly and operate freely If water does not flow drain the boiler remove the inoperative valve and inspe...

Страница 68: ...covered under the herald boiler warranty 20 1 1 DISPLAY PANEL ACCESS MENU Button Screen Status Operation Display MENU Press and hold the LEFT SELECT soft key menu for 5 seconds Rotate the NAVIGATION...

Страница 69: ...Yes Offset SH1 Set Point 21 2 No Yes Differential SH1 Set Point 21 2 No Yes SH2 Set Point User 21 2 Yes Yes Offset SH2 Set Point 21 2 No Yes Differential SH2 Set Point 21 2 No Yes SH3 Set Point User...

Страница 70: ...mp 21 6 No Yes Outdoor Shutdown Temp 1 21 6 No Yes Outdoor Shutdown Differential 1 21 6 No Yes Shift Heat Curve 1 21 6 No Yes Low Outdoor Temperature 2 21 6 No Yes High Outdoor Temperature 2 21 6 No Y...

Страница 71: ...ime Minimum Pumps On ELSE IF Address 1 Alternate Leader Y N IF Yes Maximum Cascade Outlet Set Point Cascade Offset Cascade Differential Cascade Type L L Eff Minimum On Off Time Minimum Next On Time Mi...

Страница 72: ...Name 21 12 No Yes Installer Phone Number 21 12 No Yes BASIC SETUP Time Date 21 13 No Yes IF Outdoor Sensor Connected i Low Outdoor Temperature 1 ii High Outdoor Temperature 1 iii SH1 Set Point at Low...

Страница 73: ...software version in use by the control This software controls the operation of the boiler When a new software version becomes available the existing control can be replaced with a new control to upda...

Страница 74: ...ve or scheduled within the next seven 7 days can be skipped To skip a trigger go to the Night Setback Status Screen and press the SKIP button Rotate the NAVIGATION dial until the arrow is next to the...

Страница 75: ...the length of time the boiler will stay in the Service Mode if no keys have been pressed before going back to its original state This parameter can only be changed by the installer by accessing the Se...

Страница 76: ...this parameter is 20 C to 88 C The default value is 82 C 21 5 4 DHW BOILER OFFSET This parameter reflects the degrees above DHW boiler set point the temperature has to go before the boiler will shut o...

Страница 77: ...nstaller can adjust the length of time the boiler will service the space heating demand by accessing the SH DHW Switching Time parameter The minimum setting is 0 minutes and the maximum setting is 55...

Страница 78: ...Temp 2 and Set point 3 at High Outdoor Temp 3 parameters This parameter can be changed by the installer by accessing the Outdoor 1 3 High parameter The temperature range of this parameter is low outdo...

Страница 79: ...outdoor reset curve The shift reset parameter shifts the actual set point above or below the calculated set point by the number of degrees in this parameter These parameters can be changed by the inst...

Страница 80: ...rol will use the inlet water temperature present at the boiler when it shuts off as the starting point If the inlet temperature drops below the temperature parameter the control will abort anti cyclin...

Страница 81: ...d the inlet sensor regulates the firing rate based on the inlet water temperature of the boiler If the outlet sensor is selected and the optional system supply sensor is connected the control will reg...

Страница 82: ...s ramp up to 100 it lowers the rate of the first two 2 boilers to 67 and brings the next boiler on at 67 The three 3 boilers then modulate together As the calculated load decreases the boilers will re...

Страница 83: ...g Rotate the NAVIGATION dial to increase the boiler input Input settings 0 400 Btu hr can be adjusted in increments of 5 5000 Btu hr When the closest approximate boiler size is shown press the RIGHT S...

Страница 84: ...lue is the Set Point at Minimum Volts setting and the maximum is 190 F 88 C The default value is 180 F 82 C 21 10 7 VOLTS AT MINIMUM When programmed for BMS control through the 0 10V BMS input or thro...

Страница 85: ...to 40 minutes The default time is 30 seconds 21 11 2 BOILER PUMP DELAY The SH pump delay parameter sets the length of time the boiler pump will run after a SH demand has been satisfied Setting the del...

Страница 86: ...mps supplied with the herald boiler are A rated high efficiency fixed speed pumps 21 12 SERVICE NOTIFICATION Service Notification in Months When the boiler control determines that a scheduled service...

Страница 87: ...to the USB A rectangular port next to the display Once a drive is inserted the display will search the root directory of this drive for a folder named Lochinvar If it does not find it the display will...

Страница 88: ...W 13 17 1 25 4 37 2 Seasonal space heating energy efficiency s 95 94 94 93 Energy efficiency 4 at 58 77C 88 88 3 88 7 89 6 Energy efficiency 1 at 30 37C 101 1 99 8 99 5 98 0 Auxiliary electricity cons...

Страница 89: ...FOR LIGHTING 7 Ensure that the gas inlet appliance isolating valve provided by the installer is in the off position 8 Press the power rocker switch positioned on the back of the appliance to bring the...

Страница 90: ...store the desired set point 23 5 2 DHW SETPOINT If the stored water temperature is to be controlled by a thermostat the setting should be adjusted on the thermostat itself If the stored water tempera...

Страница 91: ...1 4 Yes Yes SH Night Setback Offset No Yes DHW Night Setback Offset No Yes Display Timeout 21 1 No Yes Display Contrast 21 1 9 Yes Yes TEMPERATURE SETTINGS SH1 Set Point User 21 2 1 Yes Yes Minimum S...

Страница 92: ...92...

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