DeDietrich GT 123 A Installation And Maintenance Manual
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DeDietrich GT 123 A Installation And Maintenance Manual

Oil-gas fired hot water boiler
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GT 120 A - GT 1200 A
Oil-Gas Fired Hot Water Boiler
GT 120 A
Assembly, installation and maintenance manual
Warning:
Before putting the boiler into operation read this manual
carefully.
Warning:
The operating manual is part of the documentation that is
delivered to the installation's operator. Go through the
information in this manual with the owner/operator and
make sure that he or she is familiar with all the necessary
operating instructions.
Please Read & Save This Manual for Future Reference
94863361
GT 1200 A
Notice:
This manual must be retained for future reference. Improper
installation, adjustment, alteration, service or maintenance can
cause injury, loss of life or property damage. Refer to this
manual. For assistance or additional information consult a
qualified installer, service agency or the gas supplier.
English
09/02/08

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Summary of Contents for DeDietrich GT 123 A

  • Page 1 GT 120 A - GT 1200 A English Oil-Gas Fired Hot Water Boiler 09/02/08 GT 120 A GT 1200 A Please Read & Save This Manual for Future Reference Assembly, installation and maintenance manual Warning: Notice: This manual must be retained for future reference. Improper Before putting the boiler into operation read this manual installation, adjustment, alteration, service or maintenance can carefully.
  • Page 2 Guideline of Notices Safety Considerations Please observe the following safety instructions. Warning: indicates presence of hazards that can cause, if not Read this manual carefully. avoided, severe personal injury, death or substantial Correct installation and adjustment of the burner and the control property damage.

  • Page 3: Table Of Contents

    Contents Contents ..................3 Regulations and guidelines .

  • Page 4: Regulations And Guidelines

    Inspect all items for delivery damage. Report all damage and short- ages to the delivery carrier. Report any damage and shortages to the Distributor. Parts list: Boiler Box nr. GT 123 A GT 124 A GT 125 A GT 126 A Assembled boiler body Control S2NA panel...

  • Page 5: Technical Specifications Of Boilers

    2 Technical specifications of boilers Item Unit GT 123 A GT 124 A GT 125 A GT 126 A Firing Sequence Gas-Oil - On-Off - Single Stage Only [CSA] - Gas Input 27.5 33.7 42.2 48.65 [CSA] - # 2 Fuel Oil Input US GPH 0.65...

  • Page 6: Main Dimensions

    3 Main Dimensions • GT 120 A 9/16 (1) Adjustable feet : basic height 1”, adjustment range 1” to 1 ø 1 1 1/4 threated heating outlet 15/16 13/16 123 A 2 Tapping 1/4” 3 Tapping 3/4” 15/16 15/16 13/16 124 A 4 Flue gas nozzle ø...
  • Page 7 • GT 1200 A 9/16 (2) Adjustable feet : basic height 1 , adjustment range 1 to 1 (3) Adjustable feet : feet screwed to lock at adjustment from 9/16 ø possible GT 1203 15/16 1 1 1/4 threated heating outlet A/160 2 Tapping 1/4”...

  • Page 8: Installation

    The figures stated in inches in the drawings below are the minimum recommended dimensions for providing easy access around the boiler. Dimension 'X' must provide 24 inches in front of the burner for service. Boiler A (in) GT 123 A 15/16 GT 124 A GT 125 A GT 126 A •...

  • Page 9: Assembly

    Assembly The assembly of any options delivered with the boiler is described in the instructions accompanying the options. The list of available options is indicated in the price list in force. Step one Removing the front panel Lift the window. Unscrew the two front panel side attachment screws.
  • Page 10 Remove the cast iron hinge pin for the burner door fixed by the 2 screws . Put the two screws back on the right-hand side. - Reinstall the cast iron hinge pin for the burner door on the left side using the 2 screws - Reinstall the hinge pins on the left side, fixing them using the nuts located on the burner door hinge pins, on the left side, as shown...
  • Page 11 Levelling the tank - Level the tank using the adjustable feet. Base measurement 1 9/16 Adjustment from 1 to 1 possible. Fixing the boiler on the DHW tank Using gloves, lift the boiler using 2 ø3/4” tubes placed as shown in the drawing, or with the two handles on the lower part of each side of the boiler.
  • Page 12 Step four Installing the burner - Installing the burner fixing flange See burner manufacturer instructions for burner installation. Diagram 4.1 is for reference only. Burner mounting tools are not supplied. Fixing the burner to the boiler Note: When the connections have been made and the installation has been filled with water, start the burner with reference to the instructions provided with it.
  • Page 13 Step five Disassembling the cover Pull the cover backwards and detach it from the 2 bushings on the side panels. Step six Putting the control panel into place Lift the window. Slide the control panel into the opening. 8227N026A 09/02/08 - 94863361 - 85784009D GT 120 A - GT 1200 A...
  • Page 14 Step seven Fix the control panel Fix the lower front part of the control panel onto the cross bar Fix the back of the control panel on the top of the boiler using the using two self tapping screws. 3.9x32 self tapping screw+ serrated washer. Fix the top part of the control panel using the black screw for plastic supplied for this purpose.
  • Page 15 Step eight Putting the burner cable into place Install the grommet for the burner cable (delivered in the control panel instructions pack) in the notch provided for it at the control panel support on the side of the burner door opposite the hinges according to European safety standards (originally: on the left side.
  • Page 16 Step ten Assembly of the front panel and the top cover - Assembly of the front : Lift the window. Put the two attachment screws located on the side panels into place. Attach the front panel in the openings in the bottom of the side panels.
  • Page 17 Step eleven Levelling of the boiler - Level the boiler by adjusting its adjustable feet (preinstalled on the base). (1) basic height 1”, 9/16 adjustment range 1” to 1 Remark : If the boiler is to be placed on an L160 hot water tank, screw in the feet until locked.
  • Page 18 Step twelve Putting in place the hot water probe Insert the probe cable into the duct of the domestic hot water calorifier. Insert the domestic hot water probe in the attachment lug provided for it on the tank inspection trap. Make the electrical connection in accordance with the instructions for the control panel.
  • Page 19 Step eleven Levelling of the boiler - Level the boiler by adjusting its adjustable feet (preinstalled on the base). (1) basic height 1”, 9/16 adjustment range 1” to 1 Remark : If the boiler is to be placed on an L160 hot water tank, screw in the feet until locked.

  • Page 20: Example Of Installation

    2 Example of installation The following diagram is given as example. Other connections could be made. Installation with 1 direct radiator heating circuit (without mixing valve) This type of installation can be controlled by a B control panel (base standard) or an E control panel (Easymatic) ¡C Original panel without options Easymatic...

  • Page 21: Flue Size

    The Common vent shall be sized in accordance to ANSI Z223.1 or CSA Flue connection sizes : B149.1 or 2 GT 123 A to GT 125 A : Ø 5" GT 126 A : Ø 6" with flue adapter, please remove adapter in direct vent applications 3 Venting layout 7.
  • Page 22 Venting 4. Boiler Venting Gerneral Caution & Warning: It is advised and recommended that the heating contractor-professional apply vent materials that are approved and agency listed. Installation of any venting must follow all local codes in conjunction with vent manufacturer instructions and appliance manufacturer instructions.
  • Page 23 Venting 4.1 Boiler Venting – Category I & II Typical Layouts and Vent System Requirements. Caution & Warning: Improperly sealed venting system could result in carbon monoxide [CO] poisoning; ensure adequate support and fastening of system. Ensure venting can safely exhaust all flue gases outside in an effective manner. These systems must operate under a negative vent pressure condition that is stable.
  • Page 24 Venting 4.2 Boiler Venting – Category III & IV Vent Systems Typical Layouts and Requirements. Caution & Warning: Improperly sealed venting system could result in carbon monoxide [CO] poisoning; ensure adequate support and fastening of system. Ensure venting can safely exhaust all flue gases outside in an effective manner. These systems must operate under a positive vent pressure condition that is stable.
  • Page 25 Venting 4.3 Boiler Venting – Oil Fired Direct Vent Systems [Sealed Combustion] Typical Layouts and Requirements. Caution & Warning: Improperly sealed venting system could result in carbon monoxide [CO] poisoning; ensure adequate support and fastening of system. Ensure venting can safely exhaust all flue gases outside in an effective manner. These systems must operate under a positive vent pressure condition that is stable.
  • Page 26 Venting 4.4 Boiler Venting – Oil Fired Direct Vent Systems [Sealed Combustion] Typical Layout WARNING WARNING HOT FLUE GASES – MAY CAUSE PERSONAL INJURY OR PROPERTY Harmful and dangerous carbon DAMAGE. monoxide [CO] development may result from the following. Installer shall take all necessary precautionary steps and measures in Ensure combustion air supply is not selecting a location for the vent terminal...
  • Page 27 Boiler [∆p] Pressure switch Model Connection Vent Vent ø Setting [inches w.c.] ø ø GT 123 A 5 inch 4 inch 3 inch Set Switch @ 150% GT 124 A 5 inch 4 inch 3 inch above gas burner gas...
  • Page 28 Venting 4.6 Boiler Venting – Side-Wall or Direct Vent Systems – Typical Layout 1 ft. Minimum Condensate P Trap & Emission Test Point Grade or normal anticipated snow level WARNING HOT FLUE GASES – MAY CAUSE PERSONAL INJURY OR PROPERTY DAMAGE.
  • Page 29 Venting 4.7 All Side-wall and direct Vent termination locations installation precautions: Warning/Caution: In all cases avoid potential vent termination locations where excess debris or snow could accumulate and bock the vent termination to any degree. Minimum clearance of 4 ft. [1.22m] horizontally from, and in no case above or below, unless a 4 foot [1.22m] horizontal distance is maintained, from electric meters, gas meters, regulators &...

  • Page 30: Connecting The Burner

    Connecting the burner Connection, adjustment, start up and maintenance Important: the position of the head of the burner in relation to the door insulating material must be as shown below, Refer to the instructions delivered with the burner. particularly if the burner is not a De Dietrich burner. 7/16 ø9 A Driling Ø...

  • Page 31: Installation

    1 Installation Water level Savety devices Check the water level in the installation regularly, and if necessary Check that safety devices, and particularly the heating circuit safety top it up without allowing sudden inlet of cold water into the hot boiler. valve, are working correctly at regular intervals, and at least when the boiler is cleaned.
  • Page 32 Sweeping the boiler Disconnect the burner cable. Unfasten the four flanged nuts and flat washers (see burner installation instructions) and open the burner door. • remove the baffle plates if necessary (variable number depending on the boiler model), • Carefully sweep the flue ways with the brush supplied for this purpose •...

  • Page 33: Precautions Required In The Case Of Long Boiler Stops (One Or More Years)

    1 Precautions required in the case of long boiler stops (one or more years) The boiler and the chimney must be swept carefully. Close the door of the boiler to prevent air from circulating inside the boiler. We also recommend removing the pipe connecting the boiler to the chimney and plugging the flue gas nozzle.

  • Page 34: Spare Parts - Gt 120 A - Gt 1200 A

    Spare parts - GT 120 A - GT 1200 A 02/10/06- 8578-4018B when ordering spare parts, do not forget to state the code number given opposite the description of the required part in the list. • Boiler body and cladding: Refer to the following pages •...
  • Page 35 CASING + INSULATION 09/02/08 - 94863361 - 85784009D GT 120 A - GT 1200 A...
  • Page 36 Ref. Code no. DESCRIPTION Ref. Code no. DESCRIPTION 8406-8082 Insulating clips BOILER BODY 8575-8815 Complete base, 3 sections 8575-8816 Complete base, 4 sections BOILER CASING 8575-8817 Complete base, 5 sections 8575-8805 Complete right hand side panel, 3 sections 8575-8818 Complete base, 6 sections 8575-8806 Complete right hand side panel, 4 sections 8578-0200...
  • Page 37 Pressure Nozzle - Orifice 40 F3 LBT 0.65 Gph 135 Pump PSI 0.55 x 60° A Delavan 40 BF3 LBT GT 123 A 40 G 120 SBT Nat. Gas 1.7 mm 94 MBH 1.35" w.c. 40 G 120 SBT Propane 3.25...
  • Page 40 Bp 30 – 57, RUE DE LA Gare F – 67580 MERTZWILLER Tel: +33/3/88/80/27/00 – Fax: +33/3 88 80 27 99 Ni IRC : 347 555 559 RCS STRASBOURG www.dedietrich-thermique.com DDR AMERICAS INC In Canada: In USA or South America: 1090 Fountain St., Unit #10...

This manual is also suitable for:

Gt 125 aGt 124 aGt 126 a

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