MVP CFH-4000 User Manual
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CFH -4000 Series Heater ManualRev. 01/2013 Page | 16Introduction:The MVP Clean Flow Heater (CFH) is designed to allow higher flow rates, give bettercontrol over temperature change and boasts a new easy maintenance design.The CFH-4000 Heater is heated with a single 3000 watt cartridge type heating element,requiring 240 Volt, single phase electrical service at 15 amps. Material temperature isindicated on the thermometer on the outlet side of the heater.The bulb and capillary thermostat has a fluid filled bulb. When temperature rises, thebulb fluid expands via a capillary tube to an expandable diaphragm within the remotethermostat case activating an electrical switch at the thermostat set point. Designed tomaintain a constant and stable temperature, these devices offer precise heating control.There is also a thermal limiter in the circuit. This is a safety feature that breaks the circuitto the heating element if heater block temperature exceeds a safe level. In addition, allheaters contain 15 amp fuses in the electrical enclosure for protection.There are a couple of models of the CFH-4000 in-line resin heater:3000 Watts, 1PH, 220vac @ 13.63ampCFH-4000-B Basic Clean Flow Heater – In-Line Resin HeaterCFH-4000-AI Clean Flow Heater – In-Line Resin Heater – Air InterlockCFH-4000-AIDS Double Stack – In-line Resin HeatersThe CFH-4000-B Basic Clean Flow Heater is the base model of the CFH heater with asingle temperature adjustment knob which allows for simple operation. Just adjust thetemperature control to the desired level to maintain the desired temperature indicatedon the thermometer.The CFH-4000-AI Clean Flow Heater – Air Interlock is unique in that it is an on demandtype heater and uses electrical power only when there is flow. The heater is controlledby triggering the gun, the system regulator supplies pressure to the gun valve which inturn activates the heater when the trigger is pulled. Once material is flowing, an airsignal is supplied to heater which engages the thermostat circuit.When controlled with the air/electrical interlock heater switch, The CFH heaters requirea minimum of 15 psi air. The heat element is supplied with current from two separate aircircuits: the preheat circuit and gun trigger circuit. A preheat circuit is operated tomanually warm the heater block to desired operating temperature before start-up.The CFH-5000 Clean Flow Heater – is a 4000 watt, 1PH, 220Vac @ 18.18amp inlineheater configured for a remote control box. The CFH-5000 Heater features a 1/2” NPTresin inlet and outlet port and a thermocouple port for sensing the temperature remotely.The CFH-5000 Heater also has a 1/2” NPS port used for electrical connections to theheater element. The CFH-5000 Heater will assemble and disassemble the same as theCFH-4000 Resin heaters and will have the same maintenance and safety requirements. |
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