Chromalox TUFF-TUBE PD437-4 User's Manual
Contents
1. Manual reset cutout to shut off heater in an overtempera ture condition is standard Q maagaw WARNING Users should install adequate controls and safety devices with their electric heating equip ment Do not use the overtemperature control as a level control device damage may result to the coat ing should an overtemperature condition exist Where the consequences of failure may be severe back up controls are essential Although the safety of the installation is the responsibility of the user Chromalox will be glad to make equipment recom mendations INSTALLATION WARNING Hazard of Electric Shock Disconnect all power before installing heater 1 CAUTION Do not scrape or scratch thermoplastic coating on heating elements Damage could result 2 Before installing the type TPR and TPF heater inspect it for possible damage which may have occurred during shipment Also check to insure the line voltage is the same as that on the nameplate 3 WARNING Mount heater in the tank so the liq uid level will always be above the effective heated portion of the heater If heater is not properly sub merged it will overheat and damage the heating elements and create a possible fire due to exces sive sheath temperature NOTE Level indicator on plastic guard is 2 above heated section Do not use the overtem perature control as a level control device damage may result to the coating should an overtemperature condition exist 42. TA Q0 EF Phone 1 800 368 2493 www chromalox com Litho in U S A
3. In an electroplating operation the heaters are not under any circumstance to be placed between the electrodes and the work 5 DANGER Hazard of Fire and Toxic Fumes Since these heaters are capable of developing high temperatures care should be taken to maintain liquid level above heated portion Dimension B of Figures 1 and 2 of heater WIRING WARNING Hazard of Electric Shock Any installation involving electric heaters must be effectively ground ed in accordance with the National Electrical Code 1 Electrical wiring to heater must be installed in accordance with the National Electrical Code and local codes by a quali fied person 2 Wire heater with manual reset thermal cutout as shown in Figures 3 thru 7 NOTE 1 Manual reset thermal cutout rating 25 Amps 120 277 Vac 2 Customer supplied thermostat wiring not shown 3 WARNING Entrance of corrosive fumes and vapors into the enclosure may damage internal parts Use liquid tight fitting and liquid tight conduit for wiring entrance Unused conduit opening must be sealed with snap in plug pro vided Assemble terminal cover tightly OPERATION 1 Do not operate heater at voltages in excess of that stamped on the heater since excess voltage will shorten heater life 2 Always maintain a minimum of 2 of solution above the heat ed portion of the element to prevent exposure of the effective heated length If the heater is not properly submerged it may overheat and short
4. 02 240 1 B Dimension is heated section C Dimension is cold section TPR 804 8000 480 1 53 44 9 55 B Dimension is heated section C Dimension is cold section 2010 Chromalox Inc GENERAL WARNING This heater is not intended for use in hazardous atmospheres where flammable vapors gases liquids or other combustible atmospheres are present as defined in the National Electrical Code Failure to comply can result in explosion or fire Chromalox type TPR and TPF over the side immersion heaters are especially suited for heating corrosive solutions to 212 F WARNING It is the responsibility of the purchaser of the heater to make the ultimate choice of sheath material based upon his knowledge of the chemical composition of the corrosive solution character of the materials entering the solution and controls which he maintains on the process Chromalox can not warrant any electric immersion heater against failure by sheath corrosion if such failure is the result of operating conditions beyond our control 1 Heater Construction Characteristics A High quality resistance wire held in place by compacted mag nesium oxide in stainless steel sheath and thermoplastic coated Medium Watt Density 20 watts per sq inch Light weight and low profile Removable polypropylene guard is standard PVC mounting bracket is standard for easy installation Element terminals are encapsulated with a self hardening vapor barrier
5. Chromalox SERVICE REFERENCE omision 4 _ secnon TPR TPF Installation Operation and wl Supersedes PD437 3 PD437 4 Maintenance Instructions SEPTEMBER SE ED DATE Tuff Tube One and Tuff Tube Three PFA Teflon Thermoplastic Covered Metal Sheath Over the Side Immersion Heater TUFF TUBE ONE TPR TUFF TUBE THREE TPF 46 yl lt 7 8 Dia each side for 1 2 in conduit 7 8 Dia each side for 1 2 in conduit Plastic guard cover removed for illustration purposes Plastic guard cover removed for illustration purposes 5 16 X 1 1 2 SLOT P m p ad SS See 8 ML 2 Mounting Hole Location Mounting Hole Location Specifications Type TPR Figure 1 Specifications Type TPF Figure 2 Model Watt Volt Ph Dimensions In Model Watt Volt Ph Dimensions In ode atts olts ase A Bc D ode atts olts ase A BY lc D TPR 101 120 1 TPF 302 240 3 TPR 102 1000 240 1 13 6 7 15 TPF 304 3000 480 3 20 11 9 22 TPR 202 240 1 TPF 402 240 3 TPR 204 2000 480 1 21 12 9 23 TPF 404 4000 480 3 23 14 9 25 TPR 302 240 1 TPF 602 240 3 TPR 304 3000 480 1 26 17 9 28 TPF 604 6000 480 3 30 21 9 32 TPR 402 240 1 TPF 802 240 3 TPR 404 4000 480 1 31 22 9 33 TPF 804 8000 480 3 37 28 9 39 TPR 602 240 1 TPF 1002 240 3 TPR 604 6000 480 1 42 33 9 44 TPF 1004 10000 480 3 44 35 9 46 TPR 8
6. DIAGRAMS 2 Pole Contactor De Customer Supplied Line Voltage 120V or 240V Control Circuit Factory e Field Figure 3 Single Phase All TPR Heaters X Cutout C2 1 Ci E Be ei OE Se ee Se oe e L ETS Green Ground Factory See Field Figure 4 Alt Single Phase TPR 101 Only 3 Pole Contactor EE Delle CN ipse eig rele Line Voltage Ec so Le bel pere 2 H p 3 Mendes i De 3 E dk 120V or 240V i D 2 tole rete Control Circuit ER C2 Cat Cutout l LS dx Ground Green i Factory EE Field Figure 5 Three Phase TPF 302 304 402 404 WIRING DIAGRAMS Figure 6 Figure 7 3 Pole Contactor Customer Supplied Line Voltage 120V or 240V Control Circuit Factor Ro DESEE Field Y 2 Pole Contactor Customer Supplied 120V or 240V Control Circuit Factor PE Field Single Phase TPF Rated 3kW and 4kW 240 or 480 Volt Limited Warranty Please refer to the Chromalox limited warranty applicable to this product at http Awww chromalox com customer service policies termsofsale aspx Chromalox PRECISION HEAT AND CONTROL 2150 N RULON WHITE BLVD OGDEN UT 84404
7. en heater life Do not operate heater if dry Note Heated portion of element is Dimension B of Figures 1 and 2 Do not use the overtemperature control as a level control device damage may result to the coating should an overtempera ture condition exist 3 Sludge should not be allowed to build up to the point where it contacts heater as this can lead to premature heater failure 4 Maximum recommended process temperature is 212 F 5 If manual reset cutout trips disconnect power to heater and check for cause of overheat condition Check heater elements and coating for possible damage due to an overheat condition Correct condition then remove heater terminal cover and push black reset button to reset the cutout Assemble terminal cover tightly before re energizing heater MAINTENANCE WARNING Hazard of Electric Shock Disconnect all power before servicing or replacing heater 1 Heaters should be checked periodically for coating and corro sive buildup and cleaned if necessary 2 Tank should be checked regularly for sediment around the end of heater as this sediment can act as an insulation and shorten heater life 3 Note Before thermoplastic heater is removed from solution it should be allowed to cool from 15 to 20 minutes 4 CAUTION Do not scratch or scrape elements when clean ing Cleaning should be done chemically 5 To remove plastic guard disconnect all plastic hardware attachments on guard assembly WIRING
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