Severn Trent VAX4600 Series, Instruction Manual

Page 1: ...1 115 6001 10 Instruction Manual Vaporizer for Chlorine or Sulfur Dioxide Series VAX4600 CAPITAL CONTROLS...

Page 2: ...on to instruction operating manuals all instructions given on labels or attached tags should be followed Regardless of these efforts it is not possible to eliminate all hazards from the equipment or f...

Page 3: ...off Switch 23 4 6 Water Temperature Control Thermostat 23 4 7 High and Low Water TemperatureAlarm Switches 23 4 8 Cathodic Protection Anode Replacement 23 4 9 Recommended Torque Values 25 5 TROUBLESHO...

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Page 5: ...n The unit consists of a hot water tank a chemical vaporizing chamber a NEMA 4X heater control circuit a NEMA 4X water level control circuit chemical and hot water monitoring instruments cathodic prot...

Page 6: ...115 6001 10 6 Figure 1 Vaporizer Flow Diagram Figure 2 Chemical Boiling Points at System Pressure...

Page 7: ...o water condition The water level control switch is field wired to a solenoid valve in the water supply line providing automatic water level control The low water level alarm switch may be field wired...

Page 8: ...tion chamber is manufactured from 6 ASTM SA 53 B seamless carbon steel pipe All welds are in accordance with ASME boiler and pressured vessel codes Section VIII Division I Both inlet and outlet connec...

Page 9: ...9 115 6001 10 Figure 4 Cabinet Dimensions Utility Connection Locations...

Page 10: ...rsibly Prolonged operation under conditions of RF interference though not unsafe may damage some instrument components and is not recommended 1 4 Principle of Operation Liquid is transferred from its...

Page 11: ...ension requirements 2 2 Mounting Install the vaporizer on a mounting pad of concrete or other suitable material approximately 2 50 mm high Secure using 3 8 diameter bolts See Figure 4 for mounting hol...

Page 12: ...115 6001 10 12 Figure 6 Vaporizer Piping Connections...

Page 13: ...al gas liquid lines and water lines as shown in Figure 6 Plumbing must be in accordance with local codes When installing the nipples tees and 1 ammonia unions into the inlet and outlet ports of the ch...

Page 14: ...ve on the free end of the flexible connector and connect to the liquid valve of the chemical container 2 3 3 Water Line Connections See Figure 6 a Install 1 overflow piping to the outlet provided on t...

Page 15: ...e control circuit terminal block d Wire the water fill solenoid valve to the control circuit terminal block Do not apply power 2 4 3 Alarm Switches a The low water temperature alarm switch can be conn...

Page 16: ...ncy procedures Before continuing with the startup contact Capital Controls with questions or to arrange a training program if necessary 3 3 1 Start Up a Turn on the power to the heaters control circui...

Page 17: ...17 115 6001 10 Figure 8 Chlorine and Sulfur Dioxide Vaporizer Components...

Page 18: ...ine pressure induced by heat ton containers or induced by padding pressure tank cars operate on the gas phase of the source top container valve until the pressure drops to approximately 70 psig 483 kP...

Page 19: ...the instrument panel ammeter This should be read and adjusted weekly using the potentiometer knob directly below the ammeter A zero reading at all potentiometer settings indicates replacement of anod...

Page 20: ...zero and leave open 4 Disconnect the 1 union in the chemical liquid pipe at the vaporizer after the chemical liquid valve f Pass dry air into the vaporizer through the chemical liquid inlet at the di...

Page 21: ...reducing valve be disassembled and cleaned Refer to the manufacturer s instructions 1 Loosen fasteners housing the strainer or cartridge 2 Wash the strainer in hot soapy water discard the cartridge 3...

Page 22: ...ches Refer to Figures 3 and 4 If any of the final control elements are not functioning properly the cause may be a malfunctioning water level switch or water temperature control switch Refer to the wi...

Page 23: ...82 C Low Temperature Alarm Switch 170 F 77 C High Temperature Alarm Switch 190 F 88 C 4 8 Cathodic Protection Anode Replacement The water wetted surfaces of the vaporizer are protected against corrosi...

Page 24: ...115 6001 10 24 Figure 10 Replacing Heater Element...

Page 25: ...a W 4 n e p o e v l a v l l i f l a u n a M a h c t i w s l o r t n o c l e v e l r e t a W b y l n o l l i f c i t a m o t u a g n i n o i t c n u f l a m t o n d i o n e l o s e v l a v l l i f c i...

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Page 28: ...e 05 06 CAPITAL CONTROLS Severn Trent Services 3000 Advance Lane Colmar PA 18915 Tel 215 997 4000 Fax 215 997 4062 Web www severntrentservices com E mail marketing severntrentservices com UNITEDKINGDO...