BLOC U A-12G BLOC U C-12G

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3.3- INJECTOR BLOCKS AND ORIFICES 3.3.1- INJECTOR

..3.2 Accessories...3.4 Installation...4 Operation.

1 3.3- INJECTOR BLOCKS AND ORIFICES INJECTOR BLOCKS WITHOUT IGNITION AND WITHOUT FLAME SAFETY BLOC U A-12G BLOC U C-12G Related sections : Burners Accessories 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.

2 BLOC U 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 BLOC U A-12G G1/2" cyl. Scale : 1/2 Dimensions in mm.

4. G1/2" cylindrical male Gas fitting ISO

4 BLOC U 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)

5 BLOC U C-12G G1/2" cyl Scale : 1/2 Dimensions in mm.

7 INJECTOR BLOCKS WITHOUT IGNITION AND WITH FLAME SAFETY BLOC U-M A-12G Related sections : Burners Accessories 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.

8 BLOC U-M 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) Use a thermocouple Safety or 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 D-12G". See

9 BLOC U-M A-12G G1/2" cyl. Scale : 1/2 Dimensions in mm.

3.3.3- INJECTOR BLOCKS WITH ELECTRONIC IGNITION AND FLAME SAFETY

..3.2 Accessories...3.4 Installation...4 Operation...5 Maintenance.

11 INJECTOR BLOCKS WITH ELECTRONIC IGNITION AND FLAME SAFETY BLOC U-E A-12G BLOC U-E D-12G Related sections : Burners Accessories 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

CONTENTS OF BAG See next page Dimensions Fixing on burner 1 M6 locking

4. G1/2" cylindrical male Gas fitting ISO 228/1 - G 1/2 3.3.4.2 3.3.4.1 or 3.

2.2, 3.2.4, 3.2.6) Use a thermocouple Safety Ignition Use a BA block

4.2.4 Safety injector blocks shall not be located in a zone where the

12 BLOC U-E 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/ or 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 or or 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 D-12G". See

13 BLOC U-E A-12G G1/2" cyl. Scale : 1/2 Dimensions in mm.

14 BLOC U-E 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 and G1/2" cylindrical male Gas fitting ISO 228/1 - G 1/2 or 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) or Use a thermocouple Safety Ignition Use a BA block with its accessories or

BLOC U-E-000-000-00-D-12G 33 30 39 37 19 57 15 63 To be supplied locally : - copper or steel tube

15 BLOC U-E D-12G 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.

..3.4 Installation...4 Operation...5 Maintenance.

17 ORIFICES PRIMARY ORIFICE M12x ORIFICE Related sections : Burners Accessories Installation...4 Operation...5 Maintenance...6 Trouble-shooting...7 Spare parts...8

18 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 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

VDF G G VDF G G VDF G G METALLIC HOSE 12GF FITTING FOR SOLDERING 12 12G

VDF G G VDF G G VDF G G METALLIC HOSE 12GF FITTING FOR SOLDERING 12 12G 3.4- ACCESSORIES 3.4.1- GAS ACCESSORIES VDF G31-37 12G...3.4.1.1 VDF G20-20 12G...3.4.1.2 VDF G25-25 12G...3.4.1.3 METALLIC HOSE 12GF 700...3.4.1.4 FITTING FOR SOLDERING 12 12G.3.4.1.5 FITTING FOR SOLDERING