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Instruções de Operação Chromalox, Modelo PK405-18

Fabricante : Chromalox
Arquivo Tamanho: 274.65 kb
Arquivo Nome : IM-PK405.pdf
Língua de Ensino: en
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Minimum capillary tube bending diameter is 1/2” I.D. (see Figure 4). Figure 3 (Sensing Bulb) 1” Do Not Bend or Kink Crimped End 1/2” Rod Figure 4 (Capillary Tube) C. Any deformations of bulb or capillary that result in leakage of fluid from control renders control inoperative. D. Avoid passing control capillary tube through zones whose temperature is in excess of controlled process temperature. Erratic control or destruction of control function may result. WIRING ELECTRIC SHOCK HAZARD. Disconect all power to heater before installing or servicing thermostat. Failure to do so could result in personal injury or property damage. Thermostat must be installed by a qualified person in accordance with the National Electrical Code, NFPA 70. 1. Electrical wiring must be installed in accordance with National Electrical Codes or local codes. CAUTION: Use copper conductors only. NEMA-I Models – A. Entrance for wiring is provided by two 1/2” conduit holes in end of base plate. B. If control is a “–KC” model (knob cover), remove knob cover as in Figure 5. C. Set thermostat knob to OFF position and then remove knob by lifting knob from shaft (see Figure 6). D. Loosen two screws from end of base plate and remove thermostat cover (see Figure 7). WIRING Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 LT Models – A. Entrance for wiring is provided by two 3/4” NPT conduit holes in end of enclosure. Wiring to control enclosure should be in moisture-resistant conduit. B. Remove cover by removing four hexhead screwbolts (see Figures 8 and 9). 2. Connect wires according to wiring diagrams (Figure 11 thru 15). Note: Electrical connections should be made with generous loops of wire – approximately 6” per lead. 3. Replace cover and tighten screws. 4. Replace dial knob and dial knob cover. (NEMA-I models only). 5. Note: If load amperage or voltage rating exceeds switch rating, a contactor must be used (see Figure 14). Contactors are available as an optional part. Figure 11 Figure 12 Figure 13 Three Phase Three Phase And Single Phase When Load Exceeds Rating of When Load Does Not Exceed Rating of Thermostat. Thermostat. Figure 14 Figure 15 WIRING Figure 16 Figure 17 Figure 18 ELECTRIC SHOCK HAZARD. Disconnect all power before attempting to calibrate thermostat. Failure to comply could result in personal injury. These controls are factory calibrated to the range indicated on the control adjustment knob. If calibration is required, either one of two methods may be followed: A. If accurate measurement standards are not available, the thermostat can be readily adjusted to a known temperature standard such as boiling water (212°F) (see Figure 16). B. With the aid of an accurate thermometer or other temperature measuring device, recalibration may be performed within the process as in Figure 17. For either method, the following general calibration procedures should be followed: 1. Remove knob cover, knob and thermostat housing as per instructions 3, 4 and 5 under WIRING. 2. Replace knob and turn to highest temperature setting. 3. Slowly turn knob and when controls click “off”, compare the dial reading against the thermometer reading. 4. If they do not agree – A. Set dial knob to thermometer temperature reading and pull off knob. B. While holding the adjusting shaft (B) tightly, turn small center adjusting screw (A) with small screwdriver (C) until thermostat clicks “off” (see Figure 18). Note: Always use extreme care not to damage the slot in the center adjusting screw. C. Each quarter turn of the screw will change the calibration approximately 30°F: – Clockwise to decrease temperature – Counterclockwise to increase temperature D. Recheck calibration and repeat process if closer calibration is required. RENEWAL PARTS IDENTIFICATION 21080-510512-001213-018509-0024027-057548-001Mounting Bracket119-114623-003Pack Gland3152-025660-004EnclosureNEMA-I ModelsLT-Models Model Thermostat Sub-Assembly 1 Thermostat Cover 2 Thermostat Base 3 Knob 4 AR-115 300-048518-005 080-024763-001 015-013819-001 169-019605-002 AR-115A 300-048518-012 080-024763-001 015-013819-001 169-019605-002 AR-115C 300-048518-019 080-024763-001 015-013819-001 169-019605-002 AR-214 300-048518-001 080-024763-001 015-013819-001 169-019604-001 AR-214D 300-048518-026 080-024763-001 015-013819-001 169-019604-001 AR-215 300-048518-010 080-024763-001 015-013819-001 169-019604-001 AR-215A 300-048518-013 080-024763-001 015-013819-001 169-019604-001 AR-219 300-048518-002 080-024763-001 015-013819-001 169-019604-001 AR-219D 300-048518-022 080-024763-001 015-013819-001 169-019604-001 AR-514 300-048518-003 080-024763-001 015-013819-001 169-019604-002 AR-515 300-048518-011 080-024763-001 015-013819-001 169-019604-002 AR-515A 300-048518-014 080-024763-001 015-013819-001 169-019604-002 AR-519 300-048518-004 080-024763-001 015-013819-001 169-019604-002 AR-519D 300-048518-027 080-024763-001 015-013819-001 169-019604-002 AR-715 300-048518-006 080-024763-001 015-013819-001 169-019605-001 AR-715D 300-048518...


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