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Robur F1 81 Installation, Use And Maintenance Manual

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Installation, use and
maintenance manual
Heaters Line F1 Series
Gas fired unit heaters
for heating medium-large areas
Natural gas/LPG fired

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Summary of Contents for Robur F1 81

  • Page 1 Installation, use and maintenance manual Heaters Line F1 Series Gas fired unit heaters for heating medium-large areas Natural gas/LPG fired...

  • Page 3: Table Of Contents

    Ed. 11/2006 F1 GAS FIRED UNIT HEATERS TABLE OF CONTENTS SECTION 1 GENERAL WARNINGS: ..............page SECTION 2 GENERALITY AND CHARACTERISTICS:........page Operation of the unit..................page Constructive characteristics ................page Safety and Control devices .................page Technical Characteristics ................page Dimensions ....................page SECTION 3 INSTALLATION: ................page General rules....................page Size and installation of the air inlet/flue exhaust..........page 10 Support bracket installation .................page 16...
  • Page 4 Ed. 11/2006 User, Installation and Service Manual for F1 Gas Unit Heaters...

  • Page 5: Section 1 General Warnings

    Ed. 11/2006 SECTION 1 - GENERAL WARNINGS This manual is an integral and essential part of the product and must be given to the user. Qualified service engineers are those having specific technical experience in the field of heating installation unit for domestic and industrial use. In the case of any doubt, contact your local agent or Manufacturer.

  • Page 6: Section 2 Generality And Characteristics

    - cylindrical combustion chamber made of stainless steel - heat exchanger patented by Robur made of special aluminium alloy, fining horizontally on the air side and vertically on the flue side with extremely high capacity of thermal exchange...

  • Page 7: Safety And Control Devices

    Model: HONEYWELL VK 4125A for the Heaters F1 21. 31. 41. 51. 61 BM 762 for the Heater Model F1 81 Ignition and flame control box: controls the ignition and flame of the premix burner; if the is flame not detected during the safety period the flame control box will stop the appliance; with manual reset.

  • Page 8: Technical Characteristics

    Ed. 11/2006 TECHNICAL CHARACTERISTICS MODEL UNIT F1 21 F1 31 F1 41 F1 51 F1 61 F1 81 Appliance Category 2H3+ Appliance type 23 - Nominal heat input 23,08 30,77 37,15 48,35 61,32 77,14 78804 105046 126841 165072 209357 263369...

  • Page 9: Dimensions

    Ed. 11/2006 DIMENSIONS OF THE UNITS F1 21 F1 31 F1 41 F1 51 F1 61 1070 F1 81 1270 1010 1080 F1 21 F1 31 F1 41 F1 51 F1 61 F1 81 VISTA FRONTALE VISTA LATO DESTRO FRONT VIEW...

  • Page 10: Section 3 Installation

    Ed. 11/2006 SECTION 3 - INSTALLATION GENERAL RULES WARNING! A qualified service engineer following the manufacturer’s instructions must carry out the installation. Qualified engineer means those having specific technical competence according to national/international standards. In any case all necessary information could be obtained directly by Qualified Engineer or Manufacturer.
  • Page 11 Ed. 11/2006 NOTE The electrical safety of the unit is attained only when the unit itself is correctly connected and efficiently grounded according to the existing safety standards. Do not use gas tubes to earth electrical apparatus. G. The unit should be connected to the electric supply line by means of an omnipolar switch with a minimum contact opening of 3 mm.

  • Page 12: Size And Installation Of The Air Inlet/Flue Exhaust

    Ed. 11/2006 Figure 4 POSITION OF THE UNITS SIZE AND INSTALLATION OF THE AIR INLET / FLUE EXHAUST F1 Series gas fired unit heaters can be installed as following: type installation, combustion air taken directly from the room and flue exhaust gases to the outside.
  • Page 13 Ed. 11/2006 Note: When horizontal pipes with lengths above 1 metre are installed, the flue pipe must be mounted with a slope of 2 to 3 cm each 1 metre length (see fig. 5), to prevent entering the condense drops into the unit. In addition, to install correctly the flue exhaust and the air intake terminals, follow the details given in figure 8.
  • Page 14 51,0 F1 41 61,6 F1 51 80,0 F1 61 101,5 F1 81 127,7 Table 2 TECHNICAL DATA FOR PIPES SUPPLIED ON REQUEST BY MANUFACTURER Component’s pressure loss Ø 80 Component’s pressure loss Ø 100 Pipe (Pa/m) Elbow 90° (Pa) Coaxial Pipe (Pa/m) Elbow 90°...
  • Page 15 N.P. 15+15 1+15 F1 61 11+11 N.P. 12+12 N.P. 15+15 1+14 F1 81 N.P. 10+10 N.P. n.r. 14+14 Table 4 N.P.: INSTALLATION NOT POSSIBLE N.D.: INSTALLATION NOT AVAILABLE NOTE When Your installation does not coincide with values indicated by table 4 (for example installation...
  • Page 16 Ed. 11/2006 TOP VIEW TOP VIEW A F1 Unit Heater D Pipe Ø 80 E Pipe Ø 80 F Coaxial Pipe flue Figure 8 Figure 9 C13 INSTALLATION WITH SEPARATE WALL TERMINAL C13 INSTALLATION WITH COAXIAL WALL TERMINAL SIDE VIEW Figure 10 Figure 11 C33 INSTALLATION ROOF COAXIAL TERMINAL...
  • Page 17 Ed. 11/2006 RECOMMENDED ALLOWED FORBIDDEN 1 = FLUE 2 = AIR SUPPLY Figure 12 WALL TERMINAL POSITION Note: If the total length of the flue system exceeds 8 metres, it is advisable to contact the Authorised Engineer or Manufacturer. User, Installation and Service Manual for F1 Gas Unit Heaters...

  • Page 18: Support Bracket Installation

    FRONT VIEW Model F1 21 F1 31 F1 41 F1 51 F1 61 F1 81 1010 SIDE VIEW 2,5 - 3,5 m Figure 13 SUPPORT BRACKETS INSTALLATION OF REMOTE CONTROL BOX F1 Series appliances are supplied with remote control box, equipped with summer/winter switch, lockout lamp and the reset button (see figure 23).

  • Page 19: Burner Pressure Adjustment

    • Check the gas leakage using the water/soap foam or other suitable method. BURNER PRESSURE SETTING TABLE MODELS SERIES F1 SUPPLIED WITH NATURAL GAS (G20) (GAS SUPPLY PRESSURE 20 mbar) F1 21 F1 31 F1 41 F1 51 F1 61 F1 81 Burner Pressure (mbar) 10,5 (mmH in flue 8,6 –...

  • Page 20: Conversion To Another Type Of Gas

    Ed. 11/2006 BURNER PRESSURE SETTING TABLE FOR UNITS SUPPLIED WITH LPG (G31) PROPANE OR COMMERCIAL MIX (SUPPLY PRESSURE 37 mbar) F1 21 F1 31 F1 41 F1 51 F1 61 F1 81 Burner Pressure (mbar) 36,5 36,5 36,5 35,5 35,5...
  • Page 21 J) Replace the label showing the type of gas for which the unit is set with the other one indicating the type of gas actually used. NOZZLES FOR NATURAL GAS AND LPG F1 21 F1 31 F1 41 F1 51 F1 61 F1 81 Natural Gas (G20) (mm) 4,40 5,40 6,10 8,00 9,00 11,10...

  • Page 22: Operating Wiring Diagram

    Ed. 11/2006 OPERATING WIRING DIAGRAM BSRB Figure 18 LEGEND: fuse 5x20 6.3 A F pressure switch fan thermostat combustion blower capacitor (only for F1 21,31,41) fan capacitor (2 pcs. for F1 61/81) combustion blower motor fan motor ((2 pcs. for F1 61/81) ignition transformer summer/winter switch ignition electrode...

  • Page 23: Installation Wiring Diagram

    Ed. 11/2006 INSTALLATION WIRING DIAGRAM GREEN YELLOW GREY WINTER - BLUE SUMMER - RED BROWN Figure 19 INSTALLATION WIRING DIAGRAM OF F1 SERIES HEATERS (SEE LEGEND FOR FIGURE 18) User, Installation and Service Manual for F1 Gas Unit Heaters...

  • Page 24: Wiring Diagram For Multiple Unit Installation

    Ed. 11/2006 WIRING DIAGRAM FOR MULTIPLE UNIT INSTALLATIONS P Programmer TA ambient thermostat RL 1-2-3 programming command relay 230 V 50 Hz Figure 20 WIRING DIAGRAM FOR MULTIPLE HEATERS INSTALLATION WITH ONE PROGRAMMER AND MORE ROOM THERMOSTATS P Programmer P programmatore TA termostato ambiente TA ambient thermostat RL1-2-3 relè...
  • Page 25 Ed. 11/2006 P programmatore P Programmer TA termostato ambiente TA ambient thermostat RL relè comando RL programming relay programmato 230 V 50 Hz Figure 22 WIRING DIAGRAM FOR MULTIPLE HEATERS INSTALLATION WITH ONE PROGRAMMER AND ONE ROOM THERMOSTATS (ONE RELAY SOLUTION) User, Installation and Service Manual for F1 Gas Unit Heaters...

  • Page 26: Section 4 Use And Operation

    Ed. 11/2006 SECTION 4 - USE AND OPERATION START AND STOP OF THE UNIT WARNING Qualified service engineer must fulfil the first start-up of the appliance. Before turning on the heater, a qualified service engineer must check: • that electric and gas supply ratings are the same as those given in the data plate. •...
  • Page 27 Ed. 11/2006 Stop of the unit To turn off the unit, set the room thermostat to the lowest temperature. The burner is turned off, while the fan will continue to operate until the unit is completely cold. WARNING In case of long inactivity, after carrying out the above operation and after the fans have turned off, close the gas cock and disconnect the electric supply by using the omnipolar switch placed on the supply line.

  • Page 28: Section 5 Maintenance And Servicing

    Ed. 11/2006 SECTION 5 - MAINTENANCE AND SERVICING REMOVABLE BURNER The burner mounted inside the F1 Gas Unit Heaters is removable type: this particular construction characteristic allows the cleaning of the burner. WARNING The cleaning of the burner is to be done by qualified personal. Erroneous or not correct operation of the gas pipeline can cause dangerous gas leakages on all circuit and particularly on the tamped segment.

  • Page 29: Operating Failures

    Ed. 11/2006 WARNING Only qualified service engineer authorised by Manufacturer must carry out the operation of servicing and maintenance. OPERATING FAILURES Before looking for possible failures, check: • Correct power supply: 230 V ±10%, 50Hz and adequate grounding. • Correct Gas supply •...

  • Page 30: Case N°3 - Temperature Limit Thermostat (M1) Stops The Burner

    Ed. 11/2006 thus preventing re-ignition. When electricity returns, push the reset button which is placed externally, on the rear panel, under the black cover cap (see figure 23). c) The flame sensor touches the some metal part of the unit, or it is disconnected. d) The gas valve does not open due to a failure of the valve itself or of its electrical connections.

  • Page 31: Troubleshooting Flow Chart

    Ed. 11/2006 TROUBLESHOOTING FLOW CHART The heater does not Main switch start neither for heating nor for ventilation Check the fuse. Is Replace the Consult your it burnt-out? fuse installer Open the gas supply. Check for Electric supply Exchange the live Phase reaches Main switch correct electric...
  • Page 32 Ed. 11/2006 continued User, Installation and Service Manual for F1 Gas Unit Heaters...
  • Page 33 Ed. 11/2006 With the aim of continuously improving the quality of our products, Robur S.p.A. reserves the right to vary above instructions and drawings without any prior notice. Robur S.p.A Via Parigi 4/6 24040 Verdellino/Zingonia (BG) Italy Phone: +39035888111 Fax:+39035884165 http://www.robur.it...
  • Page 34 Robur is dedicated to dynamic progression in research, development and promotion of safe, environmentally-friendly, energy-efficiency products, through the commitment and caring of its employees and partners. Robur Mission Robur Spa advanced heating and cooling technologies Via Parigi 4/6 24040 Verdellino/Zingonia (Bg) Italy T +39 035 888111 F +39 035 4821334 www.robur.com...

This manual is also suitable for:

F1 61F1 51F1 41F1 31F1 21

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