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Summary of Contents for Det-Tronics PIR9400
- Page 1 To navigate through this document, click on the “Bookmarks and Page” button and use the bookmarks to access information. INSTRUCTIONS PointWatch™ Infrared Hydrocarbon Gas Detector PIR9400 11/96 Form 95-8440...
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Page 2: Table Of Contents
Standalone Configuration........9 Disassembly and Cleaning Procedure......16 Figure 15 Typical PointWatch Wiring, To Replace the IR Module ..........17 PointWatch with Det-Tronics Junction Box ...9 DEVICE REPAIR AND RETURN..........18 Figure 16 Junction Box Terminals and Calibration Switch ..9 Office Locations ...............18 Figure 17 Typical PointWatch Wiring ORDERING INFORMATION...........19... -
Page 3: Application
Nominal Maximum The PointWatch detector can be used alone or as part of a larger system such as Det-Tronics’ Infiniti Gas DETECTION RANGE— Transmitter, R8471 Controller, or Eagle 2000 Hazard 0 to 100% LFL. -
Page 4: Figure
±10% LFL at 50% LFL from 2.0 ma Span calibration in progress –40°F to –13°F (–40°C to –25°C). 1.8 ma Calibration complete - remove gas Time (10 months) ±2% LFL (Det-Tronics verified). 1.6 ma Calibration fault 1.0 ma Fouled optics REPEATABILITY (Room Temperature)—... -
Page 5: Pointwatch Wiring Requirements
Junction Box Aluminum Stainless Steel 5000 CENELEC 5 4800 FM 6 4600 CSA 7 4400 Gosstandart 8 Pending 4200 4000 CENELEC: Certificate No. 96D1115 3800 EEx d IIC T6 (Tamb –60°C to +40°C) 3600 EEx d IIC T5 (Tamb –60°C to +75°C). Ingress protection IP66. -
Page 6: Description
4.5 (11.4) 0.3 DIA. 4.1 (10.4) (0.8) 3.38 (8.4) (11.4) 0.3 DIA. (0.8) (10.4) (8.4) (10.4) (10.4) (16.5) (9.4) 3/4 INCH NPT (2) 3/4 INCH NPT (2) 20 MM OPTIONAL B1520 B1482 TALL COVER J-BOX SHORT COVER J-BOX Figure 5—Junction Box Dimensions in Inches (MM) DESCRIPTION CURRENT LOOP OUTPUT DETECTION METHOD... -
Page 7: Installation
Two junction box types for use specifically with the ic type sensors are used, ensure that the silicone PointWatch detector are available from Det-Tronics. grease used to lubricate the PointWatch detector threads does not come into contact with the cat- alytic sensors or poisoning of the catalytic sensors will result. -
Page 8: Detector Location
DETECTOR LOCATION to other gases in the field by changing the setting on the rotary gas selection switch, which is located on the It is essential that the device be properly located to electronics module, and calibrating the device with the enable it to provide maximum protection. -
Page 9: Junction Boxes
4. Using a small screwdriver, rotate the gas selection CAPTIVE SCREWS (2) INNER FILTER ASSEMBLY OUTER FILTER ASSEMBLY switch from position 0 (methane) to the desired position. Refer to Figure 13. Ensure that the tip of the arrow on the switch lines up with the position selected. -
Page 10: General Wiring Requirements
Figure 15 shows (common) of the power supply. Although this can be typical wiring for PointWatch with Det-Tronics sup- accomplished manually, installation of a switch is rec- plied junction box. Figure 16 shows the junction box ommended. -
Page 11: Typical Pointwatch Wiring, Standalone Configuration
When determining the appropriate wire size for the Figure 15—Typical PointWatch Wiring, installation, refer to Figure 2. Be sure to take into PointWatch with Det-Tronics Junction Box account the distance from the power supply to the PointWatch or to the Infiniti and then to the... -
Page 12: Figure
Figure 19—Options for Detector Separation CALIBRATION EQUIPMENT The following equipment is required to calibrate the PointWatch detector (calibration kits from Det-Tronics 3. Connect the cable leadwires from the Infiniti or junc- contain all items below): tion box to the same terminals inside the separated junction box. -
Page 13: Calibration Procedures
A1737 Figure 20—Sensor Separation with Infiniti Transmitter and PointWatch CALIBRATION PROCEDURES When PointWatch is used with a Det-Tronics J-Box, the magnetic switch and LED in the J-box are used to initi- The procedures in this section explain calibration ate and annunciate the calibration sequence. The cur-... -
Page 14: Table 5 Calibration Sequence, Inhibited Current Output
Transmitter or the Eagle 2000 system. Calibration Procedure - Accomplishing live current loop calibration manual- Inhibited Current Output During Calibration ly is possible but not recommended. Instructions for live current loop calibration are provided after See Table 5 for an overview of the calibration sequence. the “Calibration Procedure - Inhibited Current Output During Calibration”... -
Page 15: Figure
6. Apply 50% LFL calibration gas to the detector. This is accomplished by opening the valve on the cali- bration gas canister (see Figure 22 or Figure 23). A 2.5 liter per minute flow rate is recommended. CAL PORT — The LED will continue flashing (if used). —... - Page 16 specified in the Spare Parts section to cap the noz- 2. There are two methods of applying the calibration zle. If the calibration wind shield was used, remove gas. For windy situations, a calibration wind shield it from the PointWatch. The detector will return to is supplied in the calibration kit and can be slipped normal operation after the gas level has returned over the sensor to capture the calibration gas for...
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Page 17: Troubleshooting
5. Apply 50% LFL calibration gas to the detector. This 7. After successful calibration, close the valve on the is accomplished by opening the valve on the cali- calibration gas canister, remove the flexible tube bration gas canister (see Figure 22 or Figure 23). A from the calibration nozzle and replace the allen 2.5 liter per minute flow rate is recommended. -
Page 18: Disassembly And Cleaning Procedure
IMPORTANT MAINTENANCE NOTES models, loosen the two captive screws on the flat end of the detector using a standard screwdriver • Hydrocarbon-based grease will emit hydrocarbon and slide the filter assemblies off. For stainless vapors, which will be measured by PointWatch and steel models, loosen the two captive screws on the will cause inaccurate gas level readings. -
Page 19: To Replace The Ir Module
8. For the aluminum model, slide a new hydrophobic assembly will not slide onto the unit. Slide the inner screen over the two mounting tubes, being careful filter assembly into the outer filter assembly and not to fold or crumple the screen. It should be cen- rotate until it is seated securely, then fasten the two tered loosely around the two mounting tubes. -
Page 20: Device Repair And Return
DEVICE REPAIR AND RETURN Detector Electronics (UK) Limited Riverside Park, Poyle Road The PIR9400 PointWatch IR Hydrocarbon Gas Detector Colnbrook is not designed to be repaired in the field. If a problem Slough, Berkshire should develop, first carefully check for proper wiring, SL3 OHB programming and calibration. -
Page 21: Ordering Information
Telephone 7 (095) 135 5389 20 mm entries (2) 006414-002 Facsimile 7 (502) 222 1276 Tall Cover Junction Box (with window - one person calibration) Det-Tronics Scandinavia AB 3/4 inch entries (2) 006414-003 Box 81 20 mm entries (2) 006414-004... -
Page 22: Figure
Explosion-proof for Class I, Division 1, Groups B, C, & D Hazardous (Classified) Locations per FM 3615. Performance verified for 0 to 100% LFL Methane-in-air atmospheres per FM 6320. Model PIR9400 must be used in conjunction with an FMRC approved control device. PointWatch Junction Box Part Number 006414-XXX Explosion-proof for Class I, Division 1, Groups B, C, &...
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