3.3- INJECTOR BLOCKS AND ORIFICES 3.3.1- INJECTOR BLOCKS WITHOUT IGNITION AND WITHOUT FLAME SAFETY BLOC U-0-000-000-00-A-12G...3.3.1.1 BLOC U-0-000-000-00-C-12G...3.3.1.2 Related sections : Burners...3.2 Accessories...3.4 Installation...4 Operation...5 Maintenance...6 Trouble-shooting...7 Spare parts...8
3.3.1.1- BLOC U-0-000-000-00-A-12G Axial injector block. CONTENTS OF BAG See next page Dimensions Fixing on burner 1 M6 locking screw supplied with burner Assembly on burner : see 4.4. G1/2" cylindrical male Gas fitting ISO 228/1 - G 1/2 Gas inlet Use an orifice (see 3.2.2, 3.2.4, 3.2.6) and possibly a primary orifice (see 3.2.2, 3.2.4, 3.2.6) 3.3.4.2 3.3.4.1
BLOC U-0-000-000-00-A-12G 23 22.5 G1/2" cyl. Scale : 1/2 Dimensions in mm.
3.3.1.2- BLOC U-0-000-000-00-C-12G 90 -elbow injector block. CONTENTS OF BAG See next page Dimensions Fixing on burner 1 M6 locking screw supplied with burner Assembly on burner : see 4.4. G1/2" cylindrical male Gas fitting ISO 228/1 - G 1/2 Gas inlet Use an orifice (see 3.2.2, 3.2.4, 3.2.6) and possibly a primary orifice (see 3.2.2, 3.2.4, 3.2.6) 3.3.4.2 3.3.4.1
BLOC U-0-000-000-00-C-12G G1/2" cyl. 30.5 19 23 Scale : 1/2 Dimensions in mm.
3.3.2- INJECTOR BLOCKS WITHOUT IGNITION AND WITH FLAME SAFETY BLOC U-M-000-000-00-A-12G...3.3.2.1 Related sections : Burners...3.2 Accessories...3.4 Installation...4 Operation...5 Maintenance...6 Trouble-shooting...7 Spare parts...8
3.3.2.1- BLOC U-M-000-000-00-A-12G Safety injector block for manual ignition. CONTENTS OF BAG See next page Dimensions Fixing on burner 1 M6 locking screw supplied with burner Assembly on burner : see 4.4. G1/2" cylindrical male Gas fitting ISO 228/1 - G 1/2 Gas inlet Use an orifice (see 3.2.2, 3.2.4, 3.2.6) and possibly a primary orifice (see 3.2.2, 3.2.4, 3.2.6) 3.3.4.2 3.3.4.1 Use a thermocouple Safety or 3.4.2.1 3.4.2.2 Safety injector blocks shall not be located in a zone where the temperature is higher than 70 C. Otherwise, use the remote elbow block "BLOC U-E-000-000-00-D-12G". See 3.3.3.2.
BLOC U-M-000-000-00-A-12G 49 28 19 57 15 46 G1/2" cyl. Scale : 1/2 Dimensions in mm.
3.3.3- INJECTOR BLOCKS WITH ELECTRONIC IGNITION AND FLAME SAFETY BLOC U-E-000-000-00-A-12G...3.3.3.1 BLOC U-E-000-000-00-D-12G...3.3.3.2 Related sections : Burners...3.2 Accessories...3.4 Installation...4 Operation...5 Maintenance...6 Trouble-shooting...7 Spare parts...8
3.3.3.1- BLOC U-E-000-000-00-A-12G Safety injector block for automatic electronic ignition. CONTENTS OF BAG See next page Dimensions Fixing on burner 1 M6 locking screw supplied with burner Assembly on burner : see 4.4. G1/2" cylindrical male Gas fitting ISO 228/1 - G 1/2 3.3.4.2 3.3.4.1 or 3.4.2.1 3.4.2.2 Gas inlet Use an orifice (see 3.2.2, 3.2.4, 3.2.6) and possibly a primary orifice (see 3.2.2, 3.2.4, 3.2.6) Use a thermocouple Safety Ignition Use a BA block with its accessories 3.4.2.5 3.4.2.6 3.4.2.8 or 3.4.2.7 3.4.2.9 or 3.4.2.3 3.4.2.4 Safety injector blocks shall not be located in a zone where the temperature is higher than 70 C. Otherwise, use the remote elbow block "BLOC U-E-000-000-00-D-12G". See 3.3.3.2.
BLOC U-E-000-000-00-A-12G 49 28 19 57 15 63 G1/2" cyl. Scale : 1/2 Dimensions in mm.
3.3.3.2- BLOC U-E-000-000-00-D-12G Remote safety injector block for automatic electronic ignition, with 90 -elbow. To be used when the surrounding temperature is higher than 70 C. CONTENTS OF BAG C A B C Composition (A) 1 injector block for automatic electronic ignition (B) 1 elbow injector holder (C) 2 ferrule + nut assemblies for connection using copper or steel tube 10x1 (not supplied) (length : minimum 50 mm, maximum 700 mm) See next page Dimensions Fixing on burner 1 M6 locking screw supplied with burner. Assembly and fixing on burner : see 4.3.2 and 4.4. 3.3.4.2 3.3.4.1 G1/2" cylindrical male Gas fitting ISO 228/1 - G 1/2 or 3.4.2.1 3.4.2.2 Gas inlet Use an orifice (see 3.2.2, 3.2.4, 3.2.6) and possibly a primary orifice (see 3.2.2, 3.2.4, 3.2.6) 3.4.2.5 3.4.2.6 3.4.2.8 or Use a thermocouple Safety 3.4.2.7 3.4.2.9 Ignition Use a BA block with its accessories or 3.4.2.3 3.4.2.4
BLOC U-E-000-000-00-D-12G 33 30 39 37 19 57 15 63 To be supplied locally : - copper or steel tube 10x1 (10 mm OD) minimum length 50 mm maximum length 700 mm G1/2" cyl. Scale : 1/2 Dimensions in mm.
3.3.4- ORIFICES PRIMARY ORIFICE M12x1...3.3.4.1 ORIFICE...3.3.4.2 Related sections : Burners...3.2 Accessories...3.4 Installation...4 Operation...5 Maintenance...6 Trouble-shooting...7 Spare parts...8
3.3.4.1- PRIMARY ORIFICE M12x1 Primary orifice (restrictor). Diameter To be determined depending on the gas-pressure combination (see 3.2.2, 3.2.4, 3.2.6) Mounting in the injector block With a screwdriver, without glue Assembly : see 4.3.1.1. 3.3.4.2- ORIFICE Secondary orifice (injector). Diameter To be determined depending on the gas-pressure combination (see 3.2.2, 3.2.4, 3.2.6) Mounting in the injector block With a size 12 spanner, with glue Assembly : see 4.3.1.2.