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IDEAL Viscount GTS 14 Installation And Servicing

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installation and
servicing
Viscount GTS
Your Ideal installation and servicing guide
GTS 14, GTS 15, GTS 16, GTS 17,
GTS 18, GTS 18, GTS 19, GTS 20,
GTS 21, GTS 22, GTS 23, GTS 24
& GTS 25
300014488-001-B
When replacing any part on this appliance, use only spare parts that you can be
assured conform to the safety and performance specification that we require. Do not
use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers.

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Summary of Contents for IDEAL Viscount GTS 14

  • Page 1 When replacing any part on this appliance, use only spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers.
  • Page 2 NOT be taken, in any way, as overriding statutory Gas firing data relates to the use of NATURAL GAS ONLY. obligations. Details for the use of LPG are available on request from Ideal IMPORTANT. These appliances are CE certified for safety and Stelrad Group.

  • Page 3: Table Of Contents

    Viscount GTS CONTENTS Oil, Gas or Dual Fuel Fired Boilers Boiler Dimensions............6 P. I. No.: 1312 AQ 954 Destination Countries: GB, IE Commissioning and Testing.......... 46 Electrical Supply............... 5 Flue Installation..............5 Fluing................10 Gas Safety Regulations ...........

  • Page 4: Gas Safety Regulations

    GENERAL SAFETY EN 303.2 Heating boilers with forced draught burners with atomising oil burners. Current Gas Safety (Installation and Use) Regulations or EN 304 Test code for heating boilers for atomizing oil rules in force. burners. It is law that all gas appliances are installed and serviced by a 73/23 EEC Low voltage directive.

  • Page 5: Electrical Supply

    4. treated. Even the water in closed systems will promote corrosion unless treated. For the reason stated, Ideal Stelrad WATER CIRCULATION SYSTEM Group strongly recommend that when necessary the systems is thoroughly cleaned, prior to the use of stable inhibitor, which The system pump MUST be connected to the boiler.
  • Page 6 GENERAL MAIN DIMENSIONS Viscount GTS Viscount GTS - Installation & Servicing...

  • Page 7: Installation

    INSTALLATION INSTALLATION INSTALLING THE BOILER Boiler Location If the boiler is mounted on a plinth then the dimensions must For the assembly and because of their design, GTS boilers exceed the plan area of the boiler by at least 75mm on each require no special base or stand and their closed furnace side.

  • Page 8: Ventilation

    INSTALLATION Ventilation For example : hairdressing salons, industrial premises The ventilation shall comply with applicable regulations, particularly codes of practice. (solvents), cooling equipment, etc. Detailed recommendations for air supply are quoted in B.S. Boiler installed in such locations shall not be covered by the warranty.
  • Page 9 INSTALLATION FILLING THE SYSTEM Filling shall be performed with a low flow rate from a low point in the boiler room in order to ensure that all the air in the boiler is bled from the high point of the system. Always stop the pump before filling.

  • Page 10: Chimney Connection

    INSTALLATION CHIMNEY CONNECTION Connecting to the flue The high-performance features of modern boilers and their use in specific conditions as a result of the advance in burner The connection shall be removable, and offer minimum load technology (e.g. first-stage or low modulation range operation) losses, i.e.
  • Page 11 INSTALLATION ASSEMBLY OF VISCOUNT GTS BOILERS Packaging : IMPORTANT Before starting to assemble the boiler, refer to the table below Important : Assemble the boiler in the to check if you have received all the packages required. order given by the numbers of each figure, in compliance with all the instructions.
  • Page 12 INSTALLATION ASSEMBLY OF VISCOUNT GTS BOILERS - contd • Variable Casing Parts GTS boiler Number of sections Package FA 16 Package FA 17 Package FA 18 Package FA 19 Package FA 20 Package FA 21 Package FA 22 Package FA 23 Package FA 24 Package FA 25 Package FA 26...
  • Page 13 INSTALLATION 10 ASSEMBLY OF VISCOUNT GTS BOILERS - contd The number of sections of each type is provided in the table below: Section Type: Rear Rear Rear Normal Normal Normal Special Special Special Front Front Front intermediate intermediate intermediate intermediate intermediate intermediate 8228-0004...
  • Page 14 INSTALLATION 11 BASE FRAME ASSEMBLY 12 POSITIONING THE REAR SECTION Boilers with 14, 16, 18, 14, 16, 18, 20, 22 20, 22 and 24 sections and 24 sections BOTTOM 15, 17, 19, 21, 23 and 25 sections Boilers with 15, 17, 19, 21, 23 and 25 sections BOTTOM VIS5064...
  • Page 15 INSTALLATION 14 ASSEMBLING THE NORMAL INTERMEDIATE SECTION VIS5069 • Place the first normal intermediate section, making sure that it is turned in the right direction, i.e. with the flattening groove against the thermocord. • For safety, insert a lateral assembly rod (supplied) in VIS5070 the holes of the two sections.
  • Page 16 INSTALLATION 15 FITTING THE UPPER AND LOWER ASSEMBLY RODS • On the lower assembly rods, fit the following at each end in the given order : an expansion spring, a washer and a nut (the holes of the front lugs must be aligned with the holes of the frame brackets as the assembly rods are used to make the boiler body integral with the frame).
  • Page 17 INSTALLATION 17 FITTING OF THE SIDE ASSEMBLY RODS • The side assembly rods must be assembled from the rear to the front. • The rods must be inserted in the holes stated in the diagrams (the lugs of the sections in which the assembly rods are to be inserted have two holes).
  • Page 18 INSTALLATION 18 FITTING OF THE SIDE ASSEMBLY RODS - Cont'd Rear Front 300 mm long 520 mm long 520 mm long 420 mm long 420 mm long GTS 16 300 mm long 520 mm long 520 mm long 420 mm long 420 mm long 1 mm Rear...
  • Page 19 INSTALLATION 19 FITTING OF THE SIDE ASSEMBLY RODS - Cont'd 1 mm 1 mm 1 mm 1 mm Rear Front 520 mm long 520 mm long 520 mm long 520mm long 420mm long GTS 19 520 mm long 520 mm long 520mm long 420mm long 520mm long...
  • Page 20 INSTALLATION 20 FITTING OF THE SIDE ASSEMBLY RODS - Cont'd 1 mm 1 mm 1 mm 1 mm Rear Front 520 mm long 520 mm long 520 mm long 520 mm long 520 mm long 385 mm long GTS 22 520 mm long 520 mm long 520 mm long...
  • Page 21 INSTALLATION 21 FITTING OF THE SIDE ASSEMBLY RODS - Cont'd 1 mm 1 mm 1 mm 1 mm Rear Front 420 mm 520 mm 520 mm 520 mm 420 mm 385 mm 520 mm GTS 24 420 mm 520 mm 520 mm 520 mm 385 mm...
  • Page 22 INSTALLATION 22 ASSEMBLE THE POCKET GTS 14 - 19 FRONT • Assemble the pocket for the thermostats and thermometer in : the third special intermediate section - 150 mm wide, 1/2" hole (GTS 14 - 19) the fourth special intermediate section - 150 mm wide, 1/2"...
  • Page 23 INSTALLATION 24 ASSEMBLING THE BAFFLE PLATES Boiler GTS 14 GTS 15-19 GTS 20-25 Total number of baffle plates Package no. CM23 CM22 + CM23 2xCM23 • Put the baffle plates into place in the upper front flue ways, taking care to interlock them with each other before fitting them. 25 ASSEMBLING THE FLUE CLEANOUT COVERS •...
  • Page 24 INSTALLATION 26 FITTING THE TRAP DOORS • Insert the thermocord in the sealing groove on each side • Insert the thermocord in the sealing groove of the two and hold it in place with a few drops of silicone filler. lower flue ways, on the rear and front of the boiler.
  • Page 25 INSTALLATION 29 INSTALLING THE HINGE OF THE FURNACE DOOR - Cont'd • Fit the door onto the hinge • Close the furnace door on the 8 studs and by inserting the pin (1). fasten with 8 washers and nuts (2). VIS5087 VIS5088 30 FITTING THE FLUEWAY DOORS...

  • Page 26: Package Fa

    32 ASSEMBLING THE RETURN FLANGE ON BOILERS GTS 14-25 Boiler Type (mm) GTS 15, 16 GTS 17-19 GTS 20-22 GTS 23-25 1210 Package FA68 - 14 sections GTS14 GTS15-25 Package Package FA49 - 14 sections FA50 to FA 60 VIS9164 GTS 14: GTS 15 - GTS 25 : Fit the water balancing diaphragm with the notches vertical...
  • Page 27 35 PREPARING THE SMOKEHOOD 36 FITTING THE SMOKEHOOD Before assembling the smokehood, grease all Before assembling the smokehood, grease all bolts, studs and screws with high temperature bolts, studs and screws with high temperature grease (not supplied). grease (not supplied). VIS5094 VIS5095 •...
  • Page 28 INSTALLATION 39 ASSEMBLING THE BAFFLE PLATES Assembling the baffle plates (for boilers supplied with an assembled body only) in boilers supplied with an unassembled body, the baffle plates are already in place. Boiler GTS 14 GTS 15 - 19 GTS 20 - 25 Total number of baffle plates...

  • Page 29: Package Fa

    INSTALLATION 41 ASSEMBLING THE TOP INSULATING MATERIAL (14-17 SECTIONS) • Put in place the 600 mm wide (packages FA 34 - 36) top insulating material on the body of the boiler. No. of Sections 15, 16 Length (mm) 1800 2100 2200 FRONT VIS5102...
  • Page 30 44 ASSEMBLING THE TOP INSULATING MATERIAL • Put in place the two 600 mm wide (packages FA 37 - 41) pieces of insulating material on the body of the boiler. • Push the insulating material under the front and rear crosspieces.
  • Page 31 46 ASSEMBLING THE LOWER RAIL SUPPORT BRACKETS Example : GTS 14 • Fasten the lower rail support brackets using M8 x 16 screws. Note: for the assembly direction, see the drawings below. VIS5107 47 ASSEMBLY DIRECTION OF LOWER RAIL SUPPORT BRACKETS (seen from the top of the frame) 15, 17 sections 14, 16 sections...
  • Page 32 INSTALLATION 48 ASSEMBLING THE TOP INSULATING MATERIAL - Cont'd (seen from the top of the frame) 18, 20 sections Right-hand side Rear Front Frame Rail support brackets Left-hand side 19, 21 sections Right-hand side Rail support brackets Front Rear Frame Rail support brackets Left-hand side...
  • Page 33 INSTALLATION 49 ASSEMBLING THE JACKET SUPPORTS • Fasten the lower rail with M8x30 screws and washers. FRONT • The other rail support brackets are fastened opposite the holes provided on the lower rail. Length required while assembling the two-piece rails (boilers with 18 - 25 sections) (see Frame 52) VIS5110 50 ASSEMBLY DIRECTION OF LOWER RAIL SUPPORT BRACKETS...
  • Page 34 INSTALLATION 51 INSTALLING THE INSULATING MATERIAL FRONT REAR Type of Boiler Side insulating material (length in mm) GTS 14 1200 GTS 15 1200 GTS 16 1200 GTS 17 1200 GTS 18 1200 1200 GTS 19 1200 1200 GTS 20 1200 GTS 21 1200 1200...

  • Page 35: Package Fa

    INSTALLATION 53 ASSEMBLING THE SIDE CASING PANELS Length and arrangement of panels for the boiler model FRONT REAR Type of Boiler Side Panels Length in mm GTS 14 GTS 15 GTS 16 1050 GTS 17 VIS5114 GTS 18 1050 GTS 19 •...
  • Page 36 INSTALLATION 55 ASSEMBLING THE CONTROL PANEL BRACKET VIS9147 • Fit the four “Rapid nuts” on the front of the cable • Fix the control panel bracket (package IG84 or IG85) channels (1). underneath the two cable channels by means of two M8 x 16 screws and two serrated washers.
  • Page 37 INSTALLATION 57 INSTALLING THE STANDARD CONTROL PANEL - Cont'd REAR FRONT VIS5118 • Position the control panel on the rear studs (1). • Open the control panel (3 screws at the back) (2). VIS5119 • Bring the burner cable behind the casing support and down to the burner between the side panel and insulating material.
  • Page 38 INSTALLATION 58 ASSEMBLING THE FRONT PANELS VIS5129 VIS5130 • Place the insulating material in the lower central front • Fit the left and right-hand side front panels (package IG84 panel (black cloth facing outward). or IG85) onto the lower front crosspiece and fit them onto the studs of the side panels.
  • Page 39 INSTALLATION 59 ASSEMBLING THE REAR PANELS VIS5132 • Put in place the insulation of the flue gas box and the lower rear insulating material (package IG84 or IG85). VIS5133 • Put in place the two rear crosspieces (package IG84 or IG85) behind the bend of the rear side panels and fasten each crosspiece to the side panels using two ø...

  • Page 40: Package Fa

    INSTALLATION 60 ASSEMBLING THE TOP PANELS Assembling the Central Plate for 14 - 17 Sections Assembling the Central Plate for 18 - 25 sections VIS9149 VIS9148 • Place the central plate on the cable channels with the round holes towards the front of the boiler. •...

  • Page 41: Package Fa

    INSTALLATION 61 ASSEMBLING THE TOP PANELS - Cont'd FRONT REAR Type of Boiler Central and Side Covers (Length in mm) GTS 14 • Place the side covers (package No's, see table) from the front to rear. They GTS 15 have the same lengths as the side GTS 16 1050 panels.

  • Page 42: Electrical Connections

    INSTALLATION 63 CONTROL PANEL (General) Refer to Frame 69 for specific details of panel. The boiler thermostats - one controls the maximum boiler operating temperature. The other controls the high/low Electrical control panel, equipped with temperature control. operation if a 2 stage burner is fitted. The control panel carton contains: The safety thermostat (with manual reset) - if the boiler temperature rises abnormally (110...
  • Page 43 INSTALLATION 67 BURNER WIRING HARNESS Burner Cable The control panel is supplied with a burner power supply cable, with one 7 and one 4-pin European plugs on one end and a terminal block with male connecting terminals on the other end. 7-pin plug for Terminal block for 4-pin plug for...

  • Page 44: Wiring Diagram

    INSTALLATION 68 WIRING DIAGRAM Viscount GTS - Installation & Servicing...
  • Page 45 INSTALLATION 69 COMMISSIONING IMPORTANT. Domestic hot water circuits (if they exist) and Refer to the following instructions and Frame 72 to start up heating circuits must have been filled and bled, and leak the boiler. tightness tests must have been carried out on them, in the instructions delivered with the burner.

  • Page 46: Commissioning And Testing

    INSTALLATION 71 COMMISSIONING AND TESTING A. ELECTRICAL INSTALLATION B. FOR GAS INSTALLATION Checks to ensure electrical safety should be carried The whole of the gas installation, including the meter, out by a competent person. should be inspected and tested for soundness and then purged in accordance with the recommendations ALWAYS carry out the preliminary electrical system of the relevant standards listed on page 4.

  • Page 47: Servicing

    INSTALLATION 75 FUEL-OIL OR GAS CONNECTIONS Refer to the instructions supplied with the burner IMPORTANT The operations described below shall only be performed with the boiler and power supply off. 76 CLEANING The boiler will only operate efficiently if the exchange surfaces are kept clean.
  • Page 48 SERVICING 78 CLEANING THE FLUEWAYS AND VERTICAL PLATES - Cont'd vis5169 Brush the vertical plates. VIS5170 Replace the cleanout covers, insulating material and Unfasten the nuts up to the stop. casing covers by reversing the procedure above. Push in the handles of the cleanout covers. Note: chemical sweeping is recommended for such boilers.

  • Page 49: Burner Maintenance

    SERVICING 80 CLEANING THE SMOKEHOOD VIS5176 VIS5175 Remove any soot deposit with a scraper or a vacuum cleaner. Remove the lower rear panels. Open the lower cleanout cover of the flue gas box (two M10 nuts + Remove the lower rear crosspiece. washers).
  • Page 50 NOTES Viscount GTS - Installation & Servicing...
  • Page 51 NOTES Viscount GTS - Installation & Servicing...
  • Page 52 Technical Training The Ideal Boilers Technical Training Centre offers a series of first class training courses for domestic, commercial and industrial heating installers, engineers and system specifiers. For details of courses please ring: ..01482 498 432 Ideal Boilers, P.O. Box 103, National Ave, Kingston upon Hull, HU5 4JN.

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