Robur Line F1 Series User, Installation And Service Manual
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Robur Line F1 Series User, Installation And Service Manual

F1 series gas fired unit heaters for heating medium-large areas
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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 Line F1 Series

  • 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

    F1 GAS FIRED UNIT HEATERS TABLE OF CONTENTS SECTION 1 - GENERAL WARNINGS ................3 SECTION 2 - GENERALITY AND CHARACTERISTIC ............5 OPERATION OF THE UNIT......................... 5 CONSTRUCTIVE CHARACTERISTICS ...................... 5 SAFETY AND CONTROL DEVICES ......................6 TECHNICAL CHARACTERISTICS ......................7 DIMENSIONS OF THE UNITS........................
  • Page 4 User, Installation and Service Manual for F1 Gas Unit Heaters...

  • Page 5: Section 1 - General Warnings

    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 User, Installation and Service Manual for F1 Gas Unit Heaters...

  • Page 7: Section 2 - Generality And Characteristic

    - 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 8: Safety And Control Devices

    SAFETY AND CONTROL DEVICES High temperature limit switch: 100°C with manual reset (prevents the overheating of the heat exchangers) Pressure differential switch: for the control of the correct flue fan operation; when fan not operates correctly or the flue/air inlet ducts are obstructed the pressure switch stops the gas supply by closing the gas valve.

  • Page 9: Technical Characteristics

    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 Nominal heat output 33,8 55,8 70,2...

  • Page 10: Dimensions Of The Units

    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 RIGHT SIDE VIEW 1 SCARICO FUMI Flue Exhaust 2 PRESA ARIA...

  • Page 11: Section 3 - Installation

    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 12 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 13: Size And Installation Of The Air Inlet / Flue Exhaust

    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 14 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 15 Max. Allowed Flue flow (weight) Mod. Flue Temperature °C kg/h Pressure loss (Pa) F1 21 38,2 F1 31 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...
  • Page 16 MAXIMAL PIPE LENGTH BY VARIOUS INSTALLATION Type of Installation B 23 C 13 C 33 C 53 Coaxial pipe wall Coaxial pipe Roof Pipe Ø 80 Separate Ø 125 Ø 180 Ø 125 Ø 150 Ø 210 pipe pipe 80 (OSCR007) (OKTC004) (OSCR008)
  • Page 17 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 C53 INSTALLATION WITH ROOF FLUE TERMINAL AND WALL AIR SUPPLY...
  • Page 18 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 19: Support Bracket Installation

    (maximum length 20 meters). In the case you need longer cable than the supplied one, please contact your local dealer or Robur SpA. Connect the control box to the cable. Connect the cables of the terminal board inside the unit following the indications given in the...

  • Page 20: Burner Pressure Adjustment

    Note: The control cables (specially those linked to the remote control and to the temperature probe) must be kept far away from electrical cables this can be done using e.g shielding or separate pipes for the two types of cables. BURNER PRESSURE ADJUSTMENT For correct operation, the burner pressure must be as given in table n°5, n°6 and n°7.
  • Page 21 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 33,3 (mmH in flue 10,1 –...

  • Page 22: Conversion To Another Type Of Gas

    CONVERSION TO ANOTHER TYPE OF GAS WARNING! Qualified engineers must carry out this operation. Wrong and careless assembly of the gas circuit may cause dangerous gas leakage. Use adequate seals for all connections. If the type of gas on the identification label does not correspond to the one that will be used, the unit must be converted and adapted to the type of gas you wish to use.
  • Page 23 Figure 15 Figure 16 C) Loosen, without removing, 4 screws for fastening the gas supply pipe to the gas valve (figure 16); D) Shove off the gas pipe and take off the nozzle. If necessary use the screwdriver as to lever it NOZZLE (see figure 17);...

  • Page 24: Operating Wiring Diagram

    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 25: Installation Wiring Diagram

    INSTALLATION WIRING DIAGRAM 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 26: Wiring Diagram For Multiple Unit Installations

    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 27 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 28 User, Installation and Service Manual for F1 Gas Unit Heaters...

  • Page 29: Section 4 - Use And Operation

    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 30 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 31: Section 5 - Maintenance And Servicing

    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 32: Operating Failures

    WARNING Only qualified service engineer authorised by Manufacturer must carry out the operation of servicing and maintenance. OPERATING FAILURES Before checking for possible failures, ensure that: A) Correct electric supply: 230-240V ±10% 50Hz and adequate earthing are provided. B) The gas is supplied. C) Pressures and flows are within the limits recommended by the manufacturer.

  • Page 33: Case N°3: The Temperature Limit Thermostat (M1) Stops The Burner

    externally, on the rear panel, under the black screw plug (accidental power supply break - see figure 23). c) The flame sensor touches the unit ground , or it is disconnected. d) The gas valve does not open due to a failure of the valve itself or of its electrical connections. CASE N°3: The temperature limit thermostat (M1) stops the burner.

  • Page 34: Troubleshooting Flow Chart

    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 Phase reaches Exchange the live Main switch correct electric is 230-240 V -...
  • Page 35 continued User, Installation and Service Manual for F1 Gas Unit Heaters...
  • Page 36 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 e-mail: robur@robur.it...
  • Page 38 Robur is dedicated to dynamic progression in research, devepment 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 21F1 31F1 41F1 51F1 61F1 81

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