Brahma Relay GF 2/03

CONTROLLERS TYPES G.. OR.. Series 03N AUTOMATIC CONTROL SYSTEMS FOR OIL BURNERS APPLICATION The electro-mechanical controllers of this series are designed to control oil burners in non-permanent applications. These controllers are suitable for : − monoblock burners − power washers − hot air generators − steam boilers − furnaces Due to the models technical and constructive features and to their variety they can be used also for the automation of cookers, and of plants employing oil burners generally, whether in domestic or industrial applications. These controllers replace integrally the 03 electro-mechanical series FEATURES Table 1 shows the main features of this series. Other important features are: − two independent safety contacts for valve driving − electrical service life at max. declared load > 250.000 operations; − Easy installation and connection. TABLE 1 Lockout due to extraneous light (2) Thermal range< 30kg/h Thermal range> 30kg/h FC7/. FC8/ photocells FC11/. FC13/.photocells Single flame Dual flame preheater (1) Pre-ignition G22 * * * * * * GF2 * * * * * GF3 * * * * * OR1 * * * * * * OR2 * * * * * OR3 * * * * * (1) Application is possible with appropriate connection (2) Function is available only in controllers with 12V and 24V supply voltage and GF2 220V and 110V 13697_r00 1/5  CONNECTION TECHNICAL DATA The connection bases type B and N can be provided to connect the external components to the controller (see Fig. Power supply : 220V 50/60Hz 2). Both bases are provided with screw terminals which Upon request: 110V 50/60Hz allow a safe and easy connection. It’s advisable to use M4 24V dc and ac 50/60Hz screw for fastening purpose. 12V dc and ac 50/60Hz Operating temperature -10°C ÷ +60°C Protection degree (with base) IP 40 Times – Pre-purge time (TV @ 20°C): 15/20 s – Safety time (TS @ 20°C): 5/10 s – Response time in case of flame failure: <1s Power consumption (@220V-50Hz): 6,5 VA (@12V/24V ): 1VA Internal Fuse – For 220V e 110V supply voltage: 6,3 A time-delay – For 24V e 12V supply voltage: 10 A time-delay External fuse – For 220V e 110V supply voltage: 4 A fast-blow – For 24V e 12V supply voltage: 10 A fast-blow Weight including connection base: about 240 g Max. contacts rating (@220V): Imax Fig.2 – Thermostat: 6,0 A cosϕ > 0,4 – Motor: 2,0 A cosϕ > 0,4 ACCESSORIES – Ignition transformer: 2,0 A cosϕ > 0,4 The following indications must be considered in order to – EV1: 0,5 A cosϕ > 0,4 choose the suitable flame detector for the controller and the application type: – EV2: 0,5 A cosϕ > 0,4 – Preheater: 0,5 A cosϕ = 1,0 Controller Type Photocell – Lockout signal: 1,0 A cosϕ = 1,0 - G22, GF2, GF3 Max. contacts rating (@12V e 24V): Imax FC8/R 1,5..5,5 lux – Thermostat: 10 A cosϕ > 0,4 Frontal side FC8/A 1,5..3,0 lux – Motor: 4,0 A cosϕ > 0,4 FC8/V 5,5.. 10 lux – Ignition transformer: 3,0 A cosϕ > 0,4 – EV1: 1,5 A cosϕ > 0,4 FC7/R 1,5..5,5 lux – EV2: 1,5 A cosϕ > 0,4 Lateral side FC7/A 1,5..3,0 lux – Lockout signal: 1,0 A cosϕ = 1,0 FC7/V 5,5…10 lux - OR1, OR2, OR3 CONSTRUCTION Frontal and lateral side FC11/R* 1,5..6,5 lux The plastic enclosure protects the controller against mechanical damage caused by crash, tempering , dust and Frontal and lateral side FC13/R 1,5..6,5 lux dirt of external ambient. An inbuilt fuse protects the FC13/A 1,5..3,0 lux controller internal relays in case of short circuit on the outputs (valves, fan and lockout signal); * The FC11/R is provided with a black plastic enclosure only The suffix indicates the colour of the photocell enclosure: /R red OVERALL DIMENSIONS /A blue Fig1 shows the controller overall dimensions /V green FC7 FC8 drilling plane FC13 drilling plane FC11 drilling plane Base type dimensions h B 99 N 98.3 Fig.1 Fig. 3 Fig. 4 2/5 13697_r00 The figures (Fig.3) show the types and fixing systems of CHECKING AT START the available flame detectors. Before any ignition attempt make sure that the combustion 4 mm diameter screws are suggested To fix the flame chamber is free from oil, then make sure that: detector. − if the starting attempt occurs with the flame detector Core hitches and Strain relieves can be fitted on the sides obscured the controller performs a lockout at the end of of the controllers enclosures and the connecting bases. safety time; These accessories can be supplied upon request (see − if start up attempt occurs with extraneous light, the Fig.5). controller proceeds to lockout within the time equivalent to safety time (only in versions where this option is available) ; − when the flame detector is obscured in running position the oil valve(s) is/are de-energized within 1 second, and the controller goes to lockout after a recycle; The intervention of regulators, limiters or safety devices causes a shut down of the controller according to the Fig.5 application type; − Operating times and cycle are in compliance with the INSTALLATION DIRECTIONS ones declared for the used controller type. − The controllers are safety devices; guarantee and responsibility of the manufacturer will be debarred if the products are tempered with by the user;. OPERATION − Make sure that a regulation shutdown occurs every 24 Once the thermostats are closed, the controller energizes hours to allow the controller self-checking its efficiency the burner motor; in this phase the device proceeds to a (non permanent operation systems). self-checking process of the flame detection and safety − The controller must be connected and disconnected circuit. At the end of pre-purge time the output of the first oil without power supply. valve is powered. If flame is detected, at the end of safety − The controller can be mounted in any position. time, the controller de-energizes the ignition transformer − Avoid exposure to dripping water. and goes to running position. − A ventilated installation ambient and a quite low At the end of safety time, in the double stage controllers, temperature ensure the longest life of the controller…