Table of Contents
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U.S. and Canada:
24-Hour Service:
International:
Fax:
E-mail:
drexelbrook.service@ametek.com
Website:
For Assistance Call 1-800-527-6297
Outside North America + 215-674-1234
Operating Instructions
Series Z0X-2
Z-tron III
TM
1-800-553-9092
1-800-527-6297
+1 215-674-1234
+1 215-674-2731
www.drexelbrook.com
Level Measurement
Installation and
Level Control
Leader in
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Table of Contents
Related Manuals for Ametek Z-tron III
Summary of Contents for Ametek Z-tron III
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Page 1: Operating Instructions
Leader in Level Measurement For Assistance Call 1-800-527-6297 Outside North America + 215-674-1234 Installation and Operating Instructions Series Z0X-2 Z-tron III Level Control U.S. and Canada: 1-800-553-9092 24-Hour Service: 1-800-527-6297 International: +1 215-674-1234 Fax: +1 215-674-2731 E-mail: drexelbrook.service@ametek.com Website: www.drexelbrook.com... - Page 2 AMETEK Drexelbrook makes no warranty of any kind with regard to the material contained in this manual, including, but not limited to, implied warranties or fitness for a particular purpose. Drexelbrook shall not be liable for errors contained herein or for incidental or consequential damages in connection with the performance or use of material.
- Page 3 EDO# 5-10-123 Z0X-2-LM Issue#11 Series Z0X-2 Z-tron III Level Control 205 Keith Valley Road, Horsham, PA 19044 U.S. and Canada: 1-800-553-9092 24-Hour Service: 1-800-527-6297 International: +1 215-674-1234 Fax: +1 215-674-2731 An ISO 9001 Certified Company E-mail: drexelbrook.info@ametek.com Website: www.drexelbrook.com...
- Page 4 Table of Contents...
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Page 5: Table Of Contents
Table of Contents Section 1: Introduction ....................1 System Description ..................1 Technology ....................1 Model Number ..................... 2 Section 2: Installation ....................3 Unpacking ....................3 Mounting the Level Control ................. 3 Mounting Dimensions .................. 5 Power Wiring ....................6 Relay Wiring .................... - Page 6 Section 1...
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Page 7: Introduction
Both of these manuals can be downloaded from our resource library at www.Drexelbrook.com System Description Cote-Shield™ action is designed into all Z-tron III level controls and enables the instrument to ignore the effect of buildup or material coating on the sensing element. -
Page 8: Model Number
Z0X-2 Series Z-tron III Point Level Control Model Number Technology Z RF Admittance Reserved for future use Input 0 120Vac 1 24Vdc 3 230Vac Output 2 Double Pole Double Throw Relay Sensing Element Application Sensing Element Pressure/Temperature Wetted Parts 05 General 700-0206-201 14bar@121°C... -
Page 9: Installation
Extended sensing element lengths and special mountings can be provided to fit specific applications. • The Z-tron III Level Control is designed for industrial applications, but it should be mounted in a location as free as possible from vibration, corrosive atmospheres, or any possibility of mechanical damage. - Page 10 Conduit Breather Good Drain NOZZLE Long Nozzle Factory-supplied Cote-shield extends through nozzle and wall build-up. Figure 2-1 Z-tron III Level Control Mounting Recommendations All Connections Sealed and Gaskets In Place WRONG CORRECT CONDULET WRONG CORRECT Packing Hold here when Gland...
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Page 11: Mounting Dimensions
Introduction Mounting Dimensions Use a pipe wrench in this area for mounting to the process connection on the vessel. Figure 2-3 Mounting Dimensions, Integral Z-tron III Level Control... -
Page 12: Power Wiring
AMETEK Drexelbrook representative or call 1- 800-553-9092. Refer to Figures 2-5 through 2-7 for the appropriate power wiring and use the following procedure to wire the Z-tron III level control: 1. Ensure that all power to the wiring is off. - Page 13 Installation Power Wiring (continued) Use 12-28 gauge wire. Relay Connections HOT (L2) Neutral (L1) Power Connections (120Vac) Ground (GND) Figure 2-5 Wiring the (120 VAC) Electronic Unit 24 VAC – Use 12-28 gauge wire. Relay Connections Power Connections – (24Vdc) Figure 2-6 Wiring the (24 VDC) Electronic Unit 240 VAC...
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Page 14: Relay Wiring
Z0X-2 Series Z-tron III Point Level Control Relay Wiring Refer to Figure 2-8 for the relay contact wiring. The Z-tron III relay has double-pole, double-throw (DPDT) dry contacts. The relay serves as a switch and does not provide the power to operate an annunciator or other equipment. -
Page 15: Operation
Switch 2 LEFT = Reverse Time Delay Switch 2 RIGHT = Forward Time Delay Figure 3-1 Z-tron III Operating Controls and LED Time Delay Control The time delay adjustment is located on top of the instrument, as shown in Figure 3-1. It is used to help stop an oscillating relay output due to agitation or waves in the vessel. -
Page 16: Time Delay Action
Z0X-2 Series Z-tron III Point Level Control Time Delay Action Time delay action describes whether the relay contacts are delayed from going into the alarm state or recovering from an alarm state. • FWD: Forward delays the system from coming OUT of alarm. -
Page 17: Section 4: Calibration
If agency approval is required, contact your local AMETEK Drexelbrook representative or call 1-800-553-909 Calibration in Conducting Material All Z-tron III controls are factory set to switch in water- based conducting materials [setpoint adjustment is set to full clockwise (CW) position]. No calibration adjustment is necessary. -
Page 18: Calibration In Insulating Material [Vertical Mount]
Z0X-2 Series Z-tron III Point Level Control Calibration in Insulating Material [Horizontal Mount]- (Continued) If less than one turn of the adjustment was observed between the sensing element covered and uncovered, the sensor is not generating enough signal. Consult the factory for further options. -
Page 19: Troubleshooting
Troubleshooting Section 5: Troubleshooting Introduction The Z-tron III Level Control is a solid-state device with no moving parts other than its relays, and requires no maintenance or adjustments. The units are designed to give years of unattended service. A spare electronic chassis is recommended for every 10 units so that, in case of a failed unit, a critical application will not be delayed while the unit is returned to the factory for repair. - Page 20 Z0X-2 Series Z-tron III Point Level Control Testing Sensing Element (continued) 3. A new sensing element that is clean and not coated or wet should look like an open circuit on all sensing element tests. 4. If the sensing element is clean and dry, and shows...
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Page 21: Testing Relay Circuits
Troubleshooting Testing Relay Circuits Using an ohmmeter, perform the following steps to check out the relay circuits: 1. The relay circuits consist of double-pole double-throw relay contacts brought out to terminal strips. When the relays are operating properly, one pair of contacts will be open with high or low level, and one pair will be closed with high or low level. -
Page 22: Possible Problems And Causes
Z0X-2 Series Z-tron III Point Level Control Possible Problems and Causes Problem Possible Cause Solution 1. Instrument indicates a. Severe coating build upon a. Need longer Cote-Shield. alarm at all times. sensing element (HLFS). Consult factory. b. Sensing element not b. -
Page 23: Factory Assistance
Troubleshooting Factory Assistance AMETEK Drexelbrook can answer any questions about The Z-tron III series instrument. Call Customer Service at 1-800-553-9092 (US and Canada) or +1 215 674-1234 (International). If you require assistance and attempts to locate the problem have failed:... -
Page 24: Equipment Return
Z0X-2 Series Z-tron III Point Level Control Equipment Return In order to provide the best service, any equipment being returned for repair or credit must be pre-approved by the factory. In many applications, sensing elements are exposed to hazardous materials. -
Page 25: Specifications
Specifications Section 6: Specifications Power Requirements: AC Units: 95-145 Vac, 50/60 Hz, 1 Watt 215-265 Vac, 50/60 Hz, 1 Watt DC Units: 24 Vdc Unit: 19-29 Vdc input, 1 Watt Sensitivity: 0.3pF or less Operating Point Range: 0 - 80 pF (20 Turn Pot / 4 pF per Turn) Load Resistance: Center to Ground, 1500 ohms Center to Shield, 750 ohms... - Page 26 Z0X-2 Series Z-tron III Point Level Control Section 6: Specifications (Continued) Housing: The standard explosionproof housing meets the following classifications: Nema 1 General-Purpose Nema 2 Drip-Tight Nema 3 Weather-Resistant Nema 4 Waterproof Nema 5 Dust-Tight Nema 12 Industrial Use FM approved for Class I, Groups A, B, C, and D (Div. 1 or 2) and Class II, Groups E, F, and G, (Div.
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Page 27: Appendix A: Shortening Or Lengthening The Sensing Element
Appendix Appendix A: Shortening or Lengthening the Sensing Element The Need Sometimes your application calls for probe lengths other CAUTION: than the standard 18-inch or longer insertion lengths The insulation length of supplied. Shortening the sensing element is quite simple either Flush Sensing and can be done in the field. - Page 28 Seller’s intellectual property rights or applicable other party is authorized to bind the AMETEK DREXELBROOK Division of AMETEK, Inc. law, or for any purposes other than that for which the items were furnished.
- Page 30 205 Keith Valley Road, Horsham, PA 19044 U.S. and Canada: 1-800-553-9092 24-Hour Service: 1-800-527-6297 International: +1 215-674-1234 Fax: +1 215-674-2731 An ISO 9001 Certified Company E-mail: drexelbrook.info@ametek.com Website: www.drexelbrook.com...
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