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Operating Instructions
only for authorised experts
RENDAMAX 30
01/2007
Art. No. 12 076 446
doc2030

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Markus Grämiger
May 28, 2025

Wie lange sind die Ersatzteile in Zukunft für den Gasheizkessel ELCO Typ. W-GHK RENDAMAX 30/65 verfügbar?

Summary of Contents for elco RENDAMAX 30

  • Page 1 Operating Instructions only for authorised experts RENDAMAX 30 01/2007 Art. No. 12 076 446 doc2030...
  • Page 2: Table Of Contents

    Table of contents Table of contents .................2 General information .................3 Conditions .................3 Warranty conditions .................3 Hot water quality .................4 Product description Components.............5 Function description ..........5 Extent of delivery............5 Circuit diagram ............6 Compact gas fitting ..........6 Technical data............7 Dimensions ..............8 Information about system integration Chimney Exhaust ............9 Condensation pipes ..........9...
  • Page 3: General Information

    General information Conditions Warranty conditions General information Conditions In Austria, the following also Installation, set up, electrical connec- Observe the following standards for a applies: tion and first operation are tasks for an safe, environmentally friendly and ÖVGW TR Gas (G1) expert.
  • Page 4: Hot Water Quality

    ELCO recommends fitting the filling and top-up water corres- a heat exchanger from the accessories. ponding to the computation of VDI guideline 2035.
  • Page 5: Product Description Components

    BlmSchV Section 7 (2) are met. boiler. The automatic firing device controls The burner RENDAMAX 30 is a system and monitors the safety function with a closed combustion chamber process. which is independent of ambient air.
  • Page 6: Circuit Diagram

    Product description Circuit diagram Compact gas fitting Operating type i Standby q Automatic operation Summer operation j Chimney sweep operation Operating type selector Fault display E Lead temperature Fault code (blinking) Heating circuit status Night operation B Day operation (Blinking) Burner on Service status jI Service status minimum burner output...
  • Page 7: Technical Data

    Product description Technical data RENDAMAX 30 Nominal heat output at 75 / 60 Max/Min 58,8/8,3 77,5/15,5 87,2/17,4 108,9/21,8 Nominal heat output at 40 / 30 65,1/9,2 85,8/17,2 96,5/19,3 120,5/24,1 Nominal heat load 60,7/8,6 80,0/16,0 90,0/18,0 112,4/22,5 Standard efficiency 75 / 60...
  • Page 8: Dimensions

    Product description Dimensions Type R30/65 R30/85 R30/100 R30/120 " " " " " / Rp 1" " / Rp 1" " / Rp 1" " / Rp 1"...
  • Page 9: Information About System

    Information about system integration Chimney Exhaust Condensation pipes Burner technology Roof heating central Exhaust pipes In the burner technology, the residual Dependent on ambient air, max. pipe Infeed / exhaust system heat is removed from the exhaust gas length 4 m The applicable local provisions for the trough cooling and condensation and is design of the exhaust system must be...
  • Page 10: Assembly Preparations For The Assembly

    Assembly Preparations for the assembly Installation and distances Minimum distances Unrestricted access for operation and maintenance is only possible if the minimum distances are observed. Place of installation Do not install the unit in rooms with aggressive vapours (e.g. hairspray, perchloroethylene, tetrachlorocarbon), large occurrences of dust or high humidity (e.g.
  • Page 11: Air / Exhaust System

    Assembly Air / exhaust system Design variations Ambient air dependent Exhaust connection to exhaust system Multiple configuration (underpressure / overpressure) Cellar installation Air supply via installation room Exhaust system via roof Minimum shaft cross-section Shaft rear ventilation according to DIN 18160 for design B23 (ambient air dependent) Exhaust pipe ø...
  • Page 12: Design Variations

    Temperature [ Volume flow [m Mass flow [g/s] Feed pressure [Pa] RENDAMAX 30 max. / min. max. / min. max. / min. max. / min. 70 / 55 113 / 16...
  • Page 13: Exhaust Systems, Ambient Air Dependent

    Assembly Exhaust systems, ambient air dependent Example: exhaust system Boiler connection T connector with lid 87.5 Pipe with sleeve Support track Support bend Pipe with sleeve Spacer Furnace shaft cover 10 Revision piece 11 Bend 30...
  • Page 14: Installing The Burner

    Assembly Installing the burner Dismantling / assembling the cover Removing the boiler covers Loosen 2 screws (1) on the front cover (2) Slide the front cover up and remove Loosen the tension fasteners (3) on the side cover (4) Fold the side cover to the right and left and lift from the clips (5) Open the snap fastener (6) on the front cover plate (7)
  • Page 15: Burner Connection, Filling The System

    Assembly Burner connection, filling the system The connection is only performed by an authorised expert. Siphon and condensation trap Dismantle the siphon (1), fill and reassemble Connect the condensation trap or neutralisation equipment (accessory) with the siphon Note The condensation pipe (2) must not be securely connected to the wastewater pipe.
  • Page 16: Electrical Installation

    Assembly Electrical installation General information Mains connection and connection Electrical installation and connection from building wires work must only be performed by an The device is designed for permanent electrician. The VDE/ÖVE/Sev and connection and connection wires NYM EVU provisions and conditions must 3 x 1.5 mm or H05W-F 3 x 1 mm be observed.
  • Page 17: Set Up Control Measures

    Set up Control measures Circulating pump Water throughflow speed and pump data R30 The boiler is fitted with a pump Type Pump data t 20K switch as standard. The pump Nominal Boiler Pump type WILO Pump Feed Residual Max. is activated when the boiler is through- resis- setting...
  • Page 18: Control Measures

    In order to maintain the minimum throughflow, it is recom- mended that points or a plate heat exchanger be fitted (both available as accessories) or the RENDAMAX 30 is connected to an open distributor.
  • Page 19: Gas Fitting Settings

    (2) on the gas valve. Set the CO value for low load by turning the control screw (1) on the gas fitting Natural gas settings Natural gas L / H RENDAMAX 30 Gas connection mbar pressure max. 65/85/120 max. 100 min. 65/85/120 min.
  • Page 20: Switch Field With Operating Field Km628

    Set up Switch field with operating field KM628 Operating type i Standby q Automatic operation Summer operation j Chimney sweep operation Operating type selector Fault display E Lead temperature Fault code (blinking) Heating circuit status Night operation B Day operation (Blinking) Burner on Service status jI Service status minimum burner...
  • Page 21: Display In Operating Field Km628

    Set up Display in operating field KM 628 Parameter display Current/set lead temperature Current/set hot water temperature Desired lead temperature Current outside temperature Current exhaust temperature Current burner output Password Optical interface Reset / program button Alarm LED Parameter selector Operating status outputs Corresponding current measurement Fault / parameter display...
  • Page 22: Maintenance And Service Removing Device Covers

    Maintenance and service Removing device covers Maintenance and cleaning work is Before the maintenance work, The maintenance work should be only performed by the authorised remove the device from the mains carried out annually. The heat expert. He is responsible for correct electricity and close the feed and exchanger does not have to be cleaned if there is a small amount of dirt, but...
  • Page 23: Dismantling Of The Burner And Gas Fitting

    Maintenance Cleaning Dismantling the burner and gas fitting Loosen the electric plug connection Loosen 4 screws (1) on the blower (2) Loosen securing screws (3) on the burner (4) Remove the entire burner unit from the heat exchanger 5 - 10 mm 3 - 4 mm Cleaning burner and blower Visually check the burner (4) and...
  • Page 24: Maintenance Instructions

    Maintenance instructions RENDAMAX 30 Burner Maintenance and cleaning work is The maintenance work should be only performed by the authorised carried out annually. The heat expert. He is are responsible for exchanger does not have to be cleaned if there is a small amount of dirt, but correct maintenance.
  • Page 25: List Of Error Messages

    List of error messages Error messages displayed on KM 628 Error messages 11. Wrong flame signal 25. Defective maximum blower The E symbol and an error code are An ionisation flow exceeding 1 µA has speed been measured while the burner is in A specific maximum blower speed has displayed in the event of an error.
  • Page 26: Notes

    Notes...
  • Page 27 Notes...
  • Page 28 ELCO GmbH Service: D - 64546 Mörfelden-Walldorf ELCO Austria GmbH A - 2544 Leobersdorf ELCOTHERM AG CH - 7324 Vilters ELCO-Rendamax B.V. NL - 1410 AB Naarden ELCO Belgium n.v./s.a. B - 1731 Zellik...

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