Heavy Duty Balanced Opposed Compressors - Ariel Corporation
Heavy Duty Balanced Opposed Compressors - Ariel Corporation Heavy Duty Balanced Opposed Compressors - Ariel Corporation
FOR MODELS: JGZ AND JGU SECTION 4 LUBRICATION (Multiply gallons (US liquid) X 3.78541 = liters) (Multiply pints (US liquid) X 0.47318 = liters) The above calculation can be entered as a constant for each Proflo PF1. The PLC can then calculate a running total by adding 0.00497 pints, in this example, to a totalizer the whole time the compressor is running. This information can be used to track how much oil the compressor is using. Proflo PF1 Accessories Available: The following parts are available. 1. AC power supply for panel mount. Panel mount power supply is for safe area only. 2. Panel mount kit. This kit includes the panel mount bracket and a proximity switch. 3. Relay interface module. Use this module if you want to switch an AC load 120/ 240 VAC @ 10 Amps. 4. Additional proximity switch. 5. Palm interface Fluid Flow Trending (FFT) software. For more details on the Proflo PF1 and available accessories, see the vendor literature on the Ariel web site at www.arielcorp.com and/or contact your packager or Ariel. Protection of Electronics & the Compressor When Arc Welding Any arc welding on the skid and/or associated equipment and piping can permanently damage solid-state electronic equipment. Welding can cause immediate failure or reduced life of such electronic equipment. Protect the force feed lube flow monitor(s) prior to doing any arc welding (including repair welding) as follows: Disconnect all connections to the flow monitor including ground, and remove the batteries. Or completely remove the flow monitor from the compressor. It is good practice to attach the welding ground clamp as close as possible to the area where the welding will occur and to use the lowest practical welder output setting. Welding must not cause a current flow across any compressor bearing surface, including but not limited to crankshaft and crosshead bearing surfaces. Electronic-Lubricator Digital No-Flow Timer Switch (DNFT) When an Ariel DNFT microprocessor-based switch is supplied, it is used to sense no-flow or slow-flow conditions in the compressor cylinder lubrication system to facilitate alarm and/or shutdown. The DNFT also contains an amber light-emitting diode (LED) cycle indicator to provide a positive visual indication of system operation. The Ariel DNFT includes a proximity 7/09 PAGE 4 - 47
FOR MODELS: JGZ AND JGU SECTION 4 LUBRICATION switch. The Ariel DNFT, usually supplied, is factory set for (3) three minutes from no-flow to alarm/shutdown signal and is not adjustable. Optional programmable models are also available. Introduced in September of 1996, the DNFT replaced the traditional mechanical no-flow switch and is optional on all new units. Since its introduction, the DNFT has undergone a series of design enhancements and several versions are in service. The current DNFT is shown in Figure 4-10: The DNFT works through a magnetic pin which cycles back and forth as the divider valve piston moves, flashing the amber LED and indicating a complete cycle of the divider valve. The DNFT operates on a field-replaceable lithium battery. If battery voltage drops below normal operating levels, the DNFT goes into shutdown mode and compressor can not be re-started until battery is replaced. Replacing the (Field-Replaceable) Battery in the DNFT: 1. Shut down the compressor 2. Disconnect wiring and loosen set screws. Remove DNFT housing to a safe atmosphere. 3. Use 3/8 inch ratchet wrench to remove the pipe plug. 4. Remove battery from the DNFT and disconnect from the polarized connector. 5. Connect the new battery (Ariel part number A-10807 or Radio Shack 960-0418) to the attached polarized plug. 6. Reinsert the battery and reinstall pipe plug. 7. Replace DNFT control housing on the magnet housing to original position and tighten set screws. Reattach wiring and conduit. 8. Verify the DNFT is working by pre-lubing the system and check for LED blink See the Ariel web site - vendor literature - Whitlock for more details on DNFT’s. Magnet Housing Magnet O-Ring Control Housing Allen Head Set Screws (2) LED Spacer Polarized Connector Spring Field Replaceable Battery Ariel P/N: A-10807 #22 AWG 18” (0.46 m) Leads (7) Red Red Orange Orange Green Yellow Yellow FIGURE 4-10: DIGITAL NO-FLOW TIMER SWITCH - (DNFT) 1/2” Pipe Plug PAGE 4 - 48 7/09
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FOR MODELS: JGZ AND JGU SECTION 4 LUBRICATION<br />
switch. The <strong>Ariel</strong> DNFT, usually supplied, is factory set for (3) three minutes from no-flow to<br />
alarm/shutdown signal and is not adjustable. Optional programmable models are also available.<br />
Introduced in September of 1996, the DNFT replaced the traditional mechanical no-flow<br />
switch and is optional on all new units. Since its introduction, the DNFT has undergone a<br />
series of design enhancements and several versions are in service. The current DNFT is<br />
shown in Figure 4-10:<br />
The DNFT works through a magnetic pin which cycles back and forth as the divider valve piston<br />
moves, flashing the amber LED and indicating a complete cycle of the divider valve. The<br />
DNFT operates on a field-replaceable lithium battery. If battery voltage drops below normal<br />
operating levels, the DNFT goes into shutdown mode and compressor can not be re-started<br />
until battery is replaced.<br />
Replacing the (Field-Replaceable) Battery in the DNFT:<br />
1. Shut down the compressor<br />
2. Disconnect wiring and loosen set screws. Remove DNFT housing to a safe atmosphere.<br />
3. Use 3/8 inch ratchet wrench to remove the pipe plug.<br />
4. Remove battery from the DNFT and disconnect from the polarized connector.<br />
5. Connect the new battery (<strong>Ariel</strong> part number A-10807 or Radio Shack 960-0418) to<br />
the attached polarized plug.<br />
6. Reinsert the battery and reinstall pipe plug.<br />
7. Replace DNFT control housing on the magnet housing to original position and<br />
tighten set screws. Reattach wiring and conduit.<br />
8. Verify the DNFT is working by pre-lubing the system and check for LED blink<br />
See the <strong>Ariel</strong> web site - vendor literature - Whitlock for more details on DNFT’s.<br />
Magnet<br />
Housing<br />
Magnet<br />
O-Ring<br />
Control Housing<br />
Allen Head Set<br />
Screws (2)<br />
LED<br />
Spacer<br />
Polarized Connector<br />
Spring<br />
Field Replaceable<br />
Battery<br />
<strong>Ariel</strong> P/N: A-10807<br />
#22 AWG 18” (0.46 m)<br />
Leads (7)<br />
Red<br />
Red<br />
Orange<br />
Orange<br />
Green<br />
Yellow<br />
Yellow<br />
FIGURE 4-10: DIGITAL NO-FLOW TIMER SWITCH - (DNFT)<br />
1/2” Pipe Plug<br />
PAGE 4 - 48 7/09
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