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FURMAN PL-PRO DMC Power Conditioner with Voltmeter/Ammeter
Thank you for purchasing a Furman Classic Series power conditioner, and congratulations on your choice. Classic Series power conditioners feature Furman’s revolutionary Series Multi-Stage Protection (SMP) circuit, Extreme Voltage Shutdown (EVS), and our exclusive Linear Filtering Technology (LiFT). Together, these technologies comprise precisely what our customers have come to expect from Furman – uncompromised AC protection and purification. Our Classic Series has been precisely engineered to exceed the critical demands of audio/video professionals, contractors, broadcasters, and musicians alike.
Furman’s SMP surge suppression virtually eliminates service calls and costly “down time”. Traditional surge suppression circuits sacrifice themselves when exposed to multiple transient voltage spikes, requiring the dismantling of your system and repair of your surge suppressor. Not so with Furman’s SMP. Damaging transient voltages are safely absorbed, clamped, and dissipated. Your connected equipment is protected, while your Furman protects itself!
Unique to Furman’s SMP is its unparalleled clamping voltage, defined as the amount of voltage that is allowed to pass through to your equipment when the protection device is subjected to a transient surge or spike. While other designs offer clamping voltages that are well above 330 Vpk, Furman’s SMP clamps at 188 Vpk, (133 VAC RMS) even when tested with multiple 6000 Vpk – 3000 amp surges! This unprecedented level of protection is only available with Furman’s SMP technology.
Furman’s trusted over-voltage (EVS) circuitry protects against prolonged overvoltage conditions, such as accidental connections to 208 or 240 VAC, or an intermittent neutral. It does so by monitoring the incoming voltage and, when an unsafe condition is detected, triggering a relay which shuts off the incoming power until the overvoltage condition is corrected and the power switch is reset.
Unfortunately, traditional AC power conditioners have been designed for unrealistic laboratory conditions. Prior technologies, whether multiple-pole or conventional series-mode filters, could actually harm audio and video performance more than they help, due to the resonant peaking of their antiquated, non-linear designs. Under certain conditions, these designs can actually add more than 10 dB of noise to the incoming AC line! Worse still, lost digital data, the need to reboot digital presets, or destruction of sensitive digital converters are frequently caused by excessive voltage spikes and AC noise contaminating the equipment ground. Furman’s LiFT takes a different approach, ensuring optimal performance through linear AC noise filtering with no ground contamination.
The PL-PRO DMC features Smooth Track LED rack lights which produce virtually no heat and provide an extremely long lifespan. A dimmer control for the rack lights allows the user to adjust the level of illumination (by rotating clockwise/counterclockwise) or switch the lamps on and off (by pushing the knob in). A rear mounted BNC jack accepts any standard (12VAC 0.5 amp) gooseneck lamp for rear rack illumination.
The PL-PRO DMC is equipped with a front panel convenience AC outlet and eight rear panel outlets in two isolated banks. The outlets in Bank A are spaced to accommodate transformer plugs (wall warts) which may be secured with the included hook and loop straps. Since the banks are isolated from each other, it is recommended to connect analog equipment into Bank A and digital equipment into Bank B (or vice versa). The PL-PRO C’s 20 amp (2400 watt) capacity is supplied from a robust 12 AWG, 10 foot AC cord.
Additionally, the PL-PRO DMC offers a switchable laboratory precision digital meter that displays incoming voltage in 1-volt steps or true RMS current in 0.1 amp steps. The voltmeter’s accuracy is ±1.5 volts and features a tri-color voltage range indicator. This informs the user whether voltage is in or out of a safe range, even from a distance too great to accurately read the displayed voltage.
To obtain best results from your Furman Classic Series power conditioner, please read this manual carefully before using.
To reduce the risk of electrical shock, do not expose this equipment to rain or moisture. Dangerous high voltages are present inside the enclosure. Do not remove the cover. Refer servicing to qualified personnel only. The lightning flash with an arrowhead symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.
IMPORTANT SAFETY INSTRUCTIONS
(Please read prior to installation)
The Furman Classic Series power conditioners utilize a dimmer control for the two retractable Smooth Track light tubes. The dimmer knob controls the brightness of both front panel lamps. Turn it clockwise to increase brightness; turn it counterclockwise to decrease brightness. The knob is also a momentary power switch for the lamps: push it in to turn the lamps on or off. When the lamps are not in use, we recommend turning the dimmer fully counterclockwise, or pushing the knob to the off setting to maximize the life of the LED’s. Whether the light tubes are fully extended or flush with the front panel, there will be no appreciable heat regardless of the dimmer setting due to the efficiency of our full light spectrum LED’s. All Furman Classic Series Conditioners feature a rear rack BNC socket which will accept any 12 VAC (0.5A) gooseneck lamp assembly (such as the Furman GN-LED or GN-I). Simply slide the BNC plug over the socket and rotate clockwise until the connector snaps into the locked position. The rear rack lamp can be powered on or off with the rear light switch which is adjacent to the BNC connector.
Furman’s Classic Series 20 amp capacity power switch is specifically designed to stand up to the enormous high in-rush current demands of many power amplifiers. Additionally, Furman magnetic circuit breakers are not sensitive to temperature, and will not raise the AC impedance as do many, less costly thermal breaker. If the 20 amp RMS current capacity of the PL-PRO C is exceeded, the spring tensioned-switch will immediately switch to the off position. You will need to switch the toggle back to the on position once the problem is corrected (typically by eliminating one component, or until the RMS current does not exceed 20 amps or 2400 watts).
The Extreme Voltage LED indicator is normally off. It is located within the meter lens assembly directly above the blue voltage / current LED’s, though during normal use it will NOT be visible.
The Extreme Voltage indicator monitors a hazard common in the entertainment, remote broadcast, and AV contractor industries: wiring faults. For example: accidental connection to 208VAC where 120VAC is expected, or an open series neutral from a 208 to 240VAC electrical service. The Furman EVS circuit senses voltages that are so high that operation would be impossible and shuts the power down before damage can occur.
Upon initially applying power to these units, the Extreme Voltage indicator will light and a red “Extreme Voltage” label will appear at the top of the meter lens if the input voltage is above the extreme voltage cutoff.
Although the Furman SMP circuit assures virtually maintenance-free protection from transient voltage spikes and surges, nature has a way of occasionally creating electrical forces that are beyond the capabilities of ANY surge suppression device to absorb without some degree of damage (such as a direct lightning hit in an outdoor application). In the rare instance that this occurs, the green “Protection OK” LED indicator, located at the bottom right of the meter lens assembly, will dim. If this happens, some level of protection from voltage surges will remain, but the PL-PRO DMC’s clamping voltage rating will be compromised and the unit must be returned to Furman for service.
NOTE: Furman’s Classic Series power conditioners do not compensate for high or low AC line voltage. If you frequently move your rack to different locations, derive power from generators, use very long extension cords, travel internationally, or are in an area prone to brownouts, you may benefit from the use of one of Furman’s AC Voltage Regulators.
Furman’s laboratory precision AC digital voltmeter continually measures incoming voltages within a typical tolerance of +/-1.5VAC. It should be noted that the voltage reading is incoming. Furman’s laboratory precision True RMS digital current meter continually measures the total circuit AC load, within a typical tolerance of +/- 0.5 amp. Because these meters feature true RMS technology, the current readings are accurate regardless of load conditions (capacitive, inductive, or resistive). To switch between voltage and current, press the button labeled “Line Voltage/Current”. Hold this button down for two seconds to dim the brightness of the display.
This indicator is located in the lower left corner of the digital volt / amp meter lens assembly. When AC voltage is within 5 volts (+/-) of a nominal 120VAC source, this tri-color indicator will be green (optimal). However, if the voltage is between 110 to 114VAC or between 126 to 130VAC, the indicator will turn amber (caution – not optimal). If the incoming voltage is in an extreme range (below 110 or above 130), the indicator will turn red. This range is far from optimal, and may be potentially damaging to some equipment.
The Furman PL-PRO C’s USB charger provides an easy way to recharge many popular electronic accessories as well as cellular communication devices by simply plugging the re-charge cord into the front panel socket. Please note that as there are currently many standards for USB, some devices may not be compatible with our charger.
Your 20 amp Furman Classic Pro Series conditioner features rear panel AC outlets that are widely spaced for plug transformers (wall warts). Additionally, these may be secured for transport with hook and loop straps (included). Each outlet has threaded screw holes on either side to accommodate the hook and loop straps.
If you require technical support or equipment service, please contact the Furman Service Department at (760) 438-7000. You may also email firstname.lastname@example.org.
All equipment being returned for repair must have a Return Authorization (RA) number. To get an RA number, please call the Furman Customer Service Department.
Before returning any equipment for repair, please be sure that it is adequately packed and cushioned against damage in shipment, and that it is insured. We suggest that you save the original packaging and use it to ship the product for servicing. Also, please provide a note giving your name, address, phone number, RA number and a description of the problem.
The receipt is your proof of purchase and confirms the product was purchased at an authorized Furman dealer. It will need to be submitted to Furman in order to process any warranty claims. Furman, a brand of Nortek Security and Control LLC, warrants its PL-PRO DMC (the “Product”) as follows: Furman warrants to the original purchaser of the product that the product sold hereunder will be free from defects in material and workmanship for a period of five years from the date of purchase. If the product does not conform to this Limited Warranty during the warranty period (as herein above specified), purchaser shall notify Furman of the claimed defects by calling (760) 438-7000 or via email (email@example.com). If the defects are of such type and nature as to be covered by this warranty, Furman shall authorize purchaser to return the product to Furman headquarters. Warranty claims MUST be accompanied by a copy of the original purchase invoice or receipt showing the purchase date. Shipping charges to Furman headquarters must be prepaid by the purchaser of the product. Furman shall, at its own expense, furnish a replacement product or, at Furman’s option, repair the defective product. Return shipping charges back to purchaser will be paid by Furman.
THE FOREGOING IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Furman does not warrant against damages or defects arising out of improper use or abnormal handling of the product, or against defects or damages arising from improper installation. This warranty shall be cancelable by Furman at its sole discretion if the product is modified in any way without written authorization from Furman or Nortek Security and Control LLC. This warranty also does not apply to products upon which repairs have been affected or attempted by persons other than pursuant to written authorization by Furman or Nortek Security and Control LLC.
The sole and exclusive obligation of Furman shall be to repair or replace the defective product in the manner and for the period provided above. Furman shall not have any other obligation with respect to the products or any part thereof, whether based on contract, tort, strict liability or otherwise. Under no circumstances, whether based on this Limited Warranty or otherwise, shall Furman be liable for incidental, special, or consequential damages. This Limited Warranty states the entire obligation of Furman with respect to the product. If any part of this Limited Warranty is determined to be void or illegal, the remainder shall remain in full force and effect.
FURMANPOWER.COM | 800-421-1587
Nortek Security & Control | 5919 Sea Otter Place, Carlsbad, CA, 92010 | USA
©2021 Nortek Security & Control LLC. All rights reserved.
Furman is a registered trademark of Nortek Security & Control LLC.
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