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Harry Taylor HT2000 Manual

Natural gas (g20 i2h) propane gas (g31 i3p) gas fired tubular heater
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See also: Installation and Servicing Manual
HT
2
VARIANTE
RANGE
NATURAL GAS (G20 I
)
2H
PROPANE GAS (G31 I
)
3P
GAS FIRED TUBULAR HEATER
I N S T A L L A T I O N C O M M I S S I O N I N G
S E R V I C I N G
U S E R I N S T R U C T I O N S
THIS MANUAL SHOULD BE LEFT WITH THE END USER .
TO ENSURE SERVICE AND MAINTENANCE INFORMATION IS AVAILABLE ON SITE
1

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Summary of Contents for Harry Taylor HT2000

  • Page 1 VARIANTE RANGE NATURAL GAS (G20 I PROPANE GAS (G31 I GAS FIRED TUBULAR HEATER I N S T A L L A T I O N C O M M I S S I O N I N G S E R V I C I N G U S E R I N S T R U C T I O N S THIS MANUAL SHOULD BE LEFT WITH THE END USER .

  • Page 2: Table Of Contents

    Section Contents Page No Compliance Notices Certificates of Conformity General product Information General Requirements Delivery & Pre-installation Checks Warranty Special risk areas Installation Installation Clearances and Mounting Heights Heater Mounting Warm Air Circulation Air Supply Flue Installation Electrical Installation Gas Installation Commissioning Electrical Pre tests Gas pre tests...
  • Page 3 Harry Taylor of Ashton Ltd cannot be held responsible from any matters arising from the revision to or introduction of new Laws, Standards, Directives, Codes of Practice...

  • Page 4: Compliance Notices

    These instructions are only valid if the user, or hirer, of such products supplied by following country code is on the appliance Harry Taylor Ltd, to ensure that they are GB. IE. If this code is not present on the familiar with the appropriate information...

  • Page 5: Certificates Of Conformity

    One of the pair is for connection purposes, safety requirements for the flue whilst the other is a screened combustion air intake. The Harry Taylor Ltd Variante range of gas * specified at time of ordering. unit heaters meet with the governments WARNING criteria in respect of the Enhanced Capital (SEE FLUE INSTALLATION 2.5 PAGE 14)

  • Page 6: General Requirements

    If any of these points are not satisfied then local Authority, Fire Officer or insurers. contact should be made with the Sales Office at Harry Taylor Ltd as soon as Relevant standards may include BS6230, possible by telephoning . In...

  • Page 7: Special Risk Areas

    (1) Heater model or airborne silicones. Harry Taylor Ltd (2) Heater serial number Technical should contacted before (3) Order reference/date of order, together installation.

  • Page 8: Installation

    Harry Taylor Ltd Technical prior to and maintained, thereby offering the best installation. heat distribution. Air pressure within the Additionally maximum temperature area heated and the outside air pressure within the plant room should not exceed must remain the same, factors influencing °...

  • Page 9: Heater Mounting

    Clearances VRA in mm Model Above Below Right side Left side Rear Clearances VRC in mm Model Above Below Right side Left side Rear Clearances VRE in mm Model Above 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 Below 4000 4000...

  • Page 10: Warm Air Circulation

    • 2.3 Warm Air Circulation If the design air change rate of the heated space is 0.5 air changes per The air heater should be positioned to hour or greater enable maximum circulation of discharged warm air within the area to be heated, whilst The design air change rate may be satisfied taking account of personnel within the area, by natural infiltration or by mechanical...
  • Page 11 heater plant and probably other items of Minimum Free Area Of building service plant and would generally Ventilation Opening have generous space for maintenance. MODEL High Level Low Level An enclosure is where the heater is installed within a compartment or confined area None where space is limited.
  • Page 12 be within 1000 mm of floor level for natural 2.4.2.3 Natural Ventilation Openings gas and ideally at floor level for l.p.g gas Enclosures Room Sealed installations but in any event no higher than Heaters 250 mm. The table below provides specific data for 2.4.2.2 Natural Ventilation Openings each heater model as - to Plant Rooms for Flued Heaters...
  • Page 13 The low level natural ventilation opening gas and ideally at floor level for lpg gas should be situated on an external wall and installations but in any event no higher than be within 1000 mm of floor level for natural 250 mm.

  • Page 14: Flue Installation

    operation should mechanical 2.5 Flue Installation. supply fail for any reason An integral flue spigot is fitted to all Variante The table below provides specific data for Air Heaters thereby allowing the flue to each heater model as - connect directly to the heater. Mechanical Ventilation The design of the flue must ensure that it MODEL...
  • Page 15 12kW 3 Metres system supplied by Harry Taylor Ltd and be 20/60kW 6 Metres capable of withstanding the stresses and loadings associated with normal use. 72/145kW 8 Metres. ° Each 90 bend corresponds to 1m of flue When designing flue system length.
  • Page 16 Vertical Co axial flue kit options L1 maximum combined flue length 6 metres Kit comprises Part No Item (1) Co-axial flue terminal Ø 80 x Ø 80 33-55-010 Item (3) 90 by Ø 80 bend x 2 33-54-005 Extra pipes to extend the flue are available as an option Pipe Ø...
  • Page 17 Vertical Co axial flue kit options L1 maximum combined flue length 10 metres Part No Kit comprises Item (1) Co-axial flue terminal 33-55-107 Item (2) Ø100 x 250 mm pipe 33-54-103 Item (3) 90 by Ø100 bend x 1 33-54-105 Item (4) 45 by Ø100 bend x 2 33-54-104...
  • Page 18 Vertical Co axial flue kit options L1 maximum combined flue length 10 metres Part No Kit comprises Item (1) Co-axial flue terminal 33-55-207 Item (2) Ø130 x 250 mm pipe x 2 33-54-203 Item (3) 90 by Ø130 bend x 2 33-54-205 Extra pipes to extend the flue are available as an option Pipe Ø...
  • Page 19 Option B In this configuration the heater is connected to a single flue pipe to discharge the products of combustion outside the building either through the roof or through a wall. The air for combustion is taken from inside the building. Heater Unit Flue Exit...
  • Page 20 Option C In this configuration the heater is connected to a horizontal flue system discharging the products of combustion and bringing in the combustion air from outside the building in which the heater is located. The outlet / inlet must be through the wall and may be made with two separate pipes or with a horizontal coaxial concentric terminal Heater Unit...
  • Page 21 VRE Flueing options B Single pipe flue only and C Vertical coaxial Heater Unit Flue Exit Vertical Co/Axial Flue Exit VERTICAL Combined length MIN. MAX. MIN. MAX. 1,00 3.00 1,00 5,00 1,00 6,00 1,00 10,00 1,00 6,00 1,00 10,00 1,00 6,00 1,00 10,00...

  • Page 22: Electrical Installation

    2.6 Electrical Installation Electrical panel Warning All electrical wiring and connections must be Ensure that the mains isolator is turned OFF in accordance with the relevant European, before undertaking any electrical work on National, and Local regulations as well as to the heater.

  • Page 23: Gas Installation

    Fan/Limit Control 2.7 Gas installation ( Situated inside the right hand side panel) These settings require slight Warning: adjustment on commissioning. Please read notice on page 3 of this manual Fan control (white button) FAN ON 50°C FAN OFF 30°C As there have been recorded instances of the deposition of copper sulphide dust within The fan control switch features normally...

  • Page 24: Commissioning

    separate isolating cock positioned adjacent 3.0 Commissioning to and upstream of the union which must be sited outside the heater. Note It is a requirement that only suitably The isolating cock should be of the 90° turn qualified and competent personnel are type and should be clearly marked OPEN / allowed to undertake the commissioning CLOSED it should also be installed so as to...

  • Page 25: Ignition Sequence

    a) Test for earth continuity. On start the signal will activate the flue b) Test for resistance to earth. venter for a pre purge period and in turn will c) Check live and neutral connections are make the air proving switch, once made, the correct.
  • Page 26 pressure (measuring point must be as Adjustment of Optional near to burner as possible). Hi-Low regulator • Energize High-Low regulator, set gas control in operation and wait until an outlet pressure is recorded on pressure IMPORTANT Adjustments should be gauge. •...
  • Page 27 • When High and Low pressure settings are Connect a suitable pressure gauge to correct, replace cap and connect pressure pipe line or to outlet pressure tap of gas feedback connection (if applicable). control concerned, to measure burner pressure (measuring point must be as Checkout near to burner as possible).
  • Page 28 maximum adjustment screw and hold it Remark : Please ensure that the polarisation '+' and '-' of the control signal is done • If maximum pressure setting needs correctly, otherwise the PCB will in case of a adjustment turn the maximum rate 0-5 V DC control signal not modulate and adjustment screw...
  • Page 29 Example: Example: • • Potentiometer P2 is set at 0 %, and P3 Maximum power (165 mADC at 22V at 5%, the hold-in voltage of the DC) is provided to the modulation coil burner relay is adjustable between 5 with a 10V DC input control signal and % and 100 % of the input control P1 set at 100 % •...

  • Page 30: Hand Over

    q) Check that the gas pressure remains satisfactory for all appliances on the same circuit. r) Undertake combustion tests checking CO, and efficiency. CO should not exceed (20PPM). s) Check that the burners are extinguished when the thermostat is set to its lowest setting, and then remove the manometers.

  • Page 31: Servicing

    4.0 Servicing Servicing procedure major component parts Warnings It is a requirement that only qualified Heat exchanger personnel are allowed to carry out Carry out visual inspection of the tubular installation commissioning or servicing. heat exchanger using an inspection lamp and mirror.
  • Page 32 The fan blades and motor should be Check electrical connections are intact. cleaned using a soft brush. Test The fan and motor assembly can be Test and re-commission as per sections 3.0 removed from heater first to 3.4 inclusive. disconnecting the leads from the terminal block and by removing the strain relief bush.
  • Page 33 5.0 Fault finding Electric Supply Turn on Electric Check fuse. Burner fails Supply Replace if required to light Check flue fan Flue fan running Replace flue fan connections Air pressure Check flue is Change air switch made clear pressure switch Thermostat Limit thermostat Reset Limit...
  • Page 34 Fault finding cont’d Fan will not Bad electrical Check wiring run, heater connection connection goes off on limit Fan control Reset fan Settings control settings incorrect Fan runs in Faulty fan Change fan manual mode control control Faulty fan Change fan motor or motor or capacitor...

  • Page 35: Wiring Diagrams

    6. Wiring Diagram 33-67-161 VRA 12-60 VRC 12-30 Auto ignition On/Off...
  • Page 36 Wiring Diagram 33-67-630 VRC 42-50 Auto ignition On/Off...
  • Page 37 Wiring Diagram 33-67-631 VRC 60 Auto ignition On/Off...
  • Page 38 Wiring Diagram 33-67-162 VRA 72-145 Auto ignition On/Off...
  • Page 39 Wiring Diagram 33-67-164 VRC 72-95 VRE120-145 Auto ignition On/Off...
  • Page 40 Wiring Diagram 33-67-202 VRC 72-145 3 Phase Auto ignition On/Off...
  • Page 41 Wiring Diagram 33-67-578 VRA 12-60 VRC 12-30 Auto ignition Hi/Low...
  • Page 42 Wiring Diagram 33-67-632 VRC 42-50 Auto ignition Hi/Low...
  • Page 43 Wiring Diagram 33-67-633 VRC 60 Auto ignition Hi/Low...
  • Page 44 Wiring Diagram 33-67-566 VRA 72-145 Auto ignition Hi/Low...
  • Page 45 Wiring Diagram 33-67-579 VRC 72-95 VRE 120-145 Auto ignition Hi/Low...
  • Page 46 Wiring Diagram 33-67-580 VRC 72-145 3 Phase Auto ignition Hi/Low...
  • Page 47 Wiring Diagram 33-67-581 VRA 12-60 VRC 12-30 Auto Ignition Modulation...
  • Page 48 Wiring Diagram 33-67-634 VRC 42-50 Auto Ignition Modulation...
  • Page 49 Wiring Diagram 33-67-635 VRC 60 Auto Ignition Modulation...
  • Page 50 Wiring Diagram 33-67-567 VRA 72– 145 Auto Ignition Modulation...
  • Page 51 Wiring Diagram 33-67-582 VRC 72-95 VRE 120-145 Auto ignition Modulation...
  • Page 52 Wiring Diagram 33-67-583 VRC 72-145 3 Phase Auto ignition Modulation...
  • Page 53 Less Controls Connections On/Off (Hi/Low) 1 Phase 33-64-349T WARNING NEUTRAL RESET Less Controls Connections On/Off (Hi/Low) 3 Phase 33-67-014T WARNING NEUTRAL RESET...
  • Page 54 Less Controls Connections Modulation 1 Phase 33-64-584 WARNING NEUTRAL RESET Less Controls Connections Modulation 3 Phase 33-67-587 WARNING NEUTRAL RESET...
  • Page 55 Wiring Connection CP2 On/Off 1 Phase 33 64 350T WARNING NEUTRAL RESET Wiring Connection CP2 On/Off 3 Phase 33 67 203 WARNING NEUTRAL RESET...
  • Page 56 Wiring Connection CP2 Control Hi/Low 1 Phase 33-64-448T WARNING NEUTRAL RESET Wiring Connection CP2 Control Hi/Low 3 Phase 33-67-204 WARNING NEUTRAL RESET...
  • Page 57 Wiring Connection CP4 Control On/Off (Hi/Low) 1 Phase 33-64-351T WARNING NEUTRAL RESET Wiring Connection CP4 Control On/Off (Hi/Low) 3 Phase 33-67-247 WARNING NEUTRAL RESET...
  • Page 58 Wiring Connection CP4 Control Modulation 1 Phase 33-67-585 WARNING NEUTRAL RESET Wiring Connection CP4 Control Modulation 3 Phase 33-67-588 WARNING NEUTRAL RESET...

  • Page 59: Technical Data Common Information

    7.0 Technical Data Appliance Type Electrical Protection IP20 7.1 Technical Data Common Information Country Approved Gas Category AT,BG,CH,CY,CZ,DK,EE,ES,FI,GB,GR,HR, IE,IT,IS,LT,LV,NO,PT,RO,SE,SI,SK,TR BE,CZ,NL,FR,DE,IE,IT,ES,CH,PT,GB,SE, SK,SL,PT,PL,TR PL,LU,DE,RO...
  • Page 60 7.2 Technical Data - models 12-50 NAT GAS / LPG MODEL HEAT 12.0 19.6 29.4 39.2 49.0 OUTPUT 40.950 67,000 100,000 134,000 167,000 HEAT 12.9 21.1 32.0 42.6 53.3 INPUT (Nett ) 44,000 72,000 109,180 145,350 181,700 EFFICIENCY % Nett 92.8 92.7 92.0...
  • Page 61 Technical Data - models 60-145 NAT GAS / LPG MODEL HEAT 58.8 72.0 96.0 120.0 144.0 OUTPUT 201,000 246,000 328.000 409,000 491,000 HEAT 63.9 78.8 105.2 130.4 156.5 INPUT (Nett) 218,000 268,900 359,000 445,000 534,000 EFFICIENCY % Nett 92.0 91.4 91.2 91.5 91.5...
  • Page 62 8.0 Parts List Heater Size/ Description Gas Valve 28-30-180 Hi/Low Valve 28-30-187 Valve Gasket 28-64-226 Modulating 28-30-201 Valve Modulation Interface 28-30-198 Board Control Box 29-01-173 Pressure 28-40-162 Switch Pressure 28-40-136 Switch Pressure 33-62-119 Switch Pressure 28-40-161 Switch Fan Limit Stat 28-60-021 28-60-023 Injector...
  • Page 63 Parts list cont’d Heater Size/ Description Ionisation 33-64-194 Probe Overheat Red 28-50-030 Neon Burner On 28-50-038 Green Neon Reset Relay 28-25-039 230V Relay Base 28-25-035 Hire Fire 28-15-027 Timer Relay 28-07-084 (6A) 28-07-085 (10A) 28-07-046 (16A) Lockout 20-40-118 Reset Switch Burner 33-64-158 Flue Fan...
  • Page 64 Parts list cont’d Heater Size/ Description Gas Valve 28-30-181 Gas Valve 28-30-184 Hi/Low Valve 28-30-188 Hi/Low Valve 28-30-189 Valve Gasket 33-64-227 Valve Flange 28-30-185 c/w ‘O’ Ring Modulating 28-30-203 28-30-202 Valve Modulation 28-30-198 Interface Board Control Box 29-01-183 Pressure Switch 28-40-163 Fan Limit Stat 28-60-021...
  • Page 65 Parts list Heater Size/ cont’d Description Ionisation Probe 33-64-194 Overheat Red 28-50-030 Neon Burner On 28-50-038 Green Neon Reset Relay 28-25-039 230V Relay Base 28-25-035 Hire Fire Timer 28-15-027 Relay 28-07-084 (6A) 28-07-085 (10A) 28-07-046 (16A) Lockout 20-40-118 Reset Switch Burner 33-64-160 Flue Fan...

  • Page 66: Dimensions

    9.0 Dimensions - V...
  • Page 67 Dimensions - V...
  • Page 68 Dimensions - V...
  • Page 69 Dimensions - Vertical Co/Axial Terminal FLUE Heater 12-20 1075 1280 30– 60 1115 1360 72– 145 1630 1860 Dimensions in mm...
  • Page 70 Dimensions - Horizontal Co/Axial Terminal FLUE Ensure Terminal is located on the wall in this configuration BOTTOM Heater 12-20 30– 60 72– 145 Dimensions in mm...
  • Page 71 Dimensions - Wall Bracket VRA 12-60 Dimensions in mm ø Heater VRA12 VRA20 VRA30 VRA42 VRA50 VRA60...
  • Page 72 South Street, Ashton-Under-Lyne. OL7 0HU United Kingdom. Telephone +44 (0) 161 3084550 Because of continuous product innovation, Facsimile +44 (0) 161 3084551 Harry Taylor Heaters Limited reserve the right to Email heaters@harrytaylor.co.uk change product specification without due notice. Website www.harrytaylor.co.uk...

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