Furman Sound Power Supply PL PRO D II User Manual

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SERIES II 20 amp powER CondItIonERS  
trusted over-voltage circuitry protects against  
I N T R O D U C T I O N  
all too frequent accidental connections to 208  
or 240 VAC, by shutting off the incoming power  
until the over voltage condition is corrected.  
[For E versions: Furman’s SMP+ clamps at 376  
VpK, (266 VAC RMS.)]  
Thank you for purchasing a Furman Series II  
Power Conditioner, and Congratulations on  
your choice. The Series II power conditioners  
feature Furman’s revolutionary Series Multi-  
Stage Protection Plus (SMP+) circuit, as well  
as our exclusive Linear Filtering Technology  
(LiFT). Together, these technologies comprise  
what is, without question, the world’s most  
advanced and comprehensive transient  
voltage surge suppressor / conditioner.  
LiFT (Linear Filtering Technology)  
Unfortunately, traditional AC filter - conditioners  
have been designed for unrealistic laboratory  
conditions. Prior technologies, whether  
multiple pole filter or conventional series  
mode, 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 re-boot digital pre-sets,  
or destroyed digital converters are frequently  
caused by excessive voltage spikes and AC  
noise contaminating the equipment ground.  
Furman’s SMP+ with LiFT takes another  
approach, ensuring optimal performance  
through linear filtering and no leakage to  
ground.  
SMP+ (Series Multi-Stage Protection  
Plus)  
Furman’s SMP+ surge suppression virtually  
eliminates service calls. 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 SMP+. With Furman’s SMP+,  
damaging transient voltages are safely  
absorbed, clamped, and dissipated.  
Unique to Furman’s SMP+ is its unparalleled  
clamping voltage. While other designs offer  
clamping voltages that are well above 330  
Vpk, Furman’s SMP+ clamps at 188 Vpk,  
(133 VAC RMS). This unprecedented level  
of protection is only available with Furman’s  
SMP+ technology. Additionally, Furman’s  
S A F E T Y I N F O R M AT I O N  
To obtain best results from your Furman Series  
II Power Conditioner, please read this manual  
2
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SERIES II 20 amp powER CondItIonERS  
carefully before using.  
versions 100 – 120 VAC 50 Hz.)  
WA R N I N G  
5. Route the power cord and other cables so  
that they are not likely to be walked on, tripped  
over, or stressed. Pay particular attention  
to the condition of the cords and cables at  
the plugs, and the point where they exit your  
Series II unit. To prevent risk of fire or injury,  
damaged cords and cables should be replaced  
immediately.  
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 covers. Refer  
servicing to qualified personnel only. The  
lightning flash with an arrowhead symbol, is  
intended to alert the user to the presence of  
un-insulated dangerous voltage within the  
product’s enclosure that may be of sufficient  
magnitude to constitute a risk of electric shock.  
6. Clean your Series II unit with a damp cloth  
only. Do not use solvents or abrasive cleaners.  
Never pour liquid on or into the unit.  
IMPORTANT SAFETY  
INSTRUCTIONS  
7. Your Series II unit should be serviced by  
qualified service personnel when:  
(Please read prior to installation)  
• The power supply cord or the plug has been  
frayed, kinked, or cut.  
• Objects have fallen or liquid has spilled into  
the unit.  
• The unit has been exposed to rain or other  
moisture.  
1. Please read and observe all safety and  
operating instructions before installing your  
Series II unit. Retain these instructions for  
future reference.  
2. Your Series II unit should not be used near  
water – for example, near a bathtub, washbowl,  
kitchen sink, laundry tub, in a wet basement,  
near a swimming pool, etc.  
• The unit does not appear to operate normally.  
• The “Protection OK” indicator is not lit.  
• The unit has been dropped, or the enclosure  
has been damaged.  
• The retractable LED lights have failed. (not  
applicable to the PM-PRO II)  
3. Do not place your Series II unit near heat  
sources such as radiators, heat registers,  
stoves, or other appliances that produce heat.  
8. Your Series II unit requires that a safety  
ground be present for proper operation. Any  
attempt to operate the unit without a safety  
ground is considered improper operation and  
could invalidate the warranty.  
4. The PL-PRO II, PL-PRO D II, and PM-PRO  
II should only be connected to a 120 VAC,  
60Hz, 20 amp grounded electrical outlet. Do  
not defeat the ground or change polarization of  
the power plug. (E versions 220 – 240 VAC 50 Hz., J  
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SERIES II 20 amp powER CondItIonERS  
9. Do not attempt to service your Series II unit  
beyond what is described in this manual. All  
other servicing should be referred to qualified  
service personnel.  
The PL-PRO D II features LED rack lights  
which produce virtually no heat and provide  
an extremely long life span. A dimmer control  
for the rack lights allows the user to adjust  
the level of illumination. A rear mounted BNC  
jack accepts any standard (12VAC 0.5 amp)  
gooseneck lamp for rear rack illumination.  
ADDITIONAL F EATU R E S  
PL-PRO SERIES II  
The PL-PRO II features LED rack lights which  
produce virtually no heat and provide an  
extremely long life span. A dimmer control  
for the rack lights allows the user to adjust the  
level of illumination or simply switch the lights  
off. A rear mounted BNC jack accepts any  
standard (12VAC 0.5 amp) gooseneck lamp for  
rear rack illumination.  
Additionally, the PL-PRO D II offers a  
laboratory precision digital meter that displays  
incoming voltage in 1-volt steps. The  
voltmeter’s accuracy is ±1.5 volt.  
The PL-PRO D II has a master magnetic circuit  
breaker switch for the front and rear outlets  
that is protected from accidental disconnection  
by a hinged cover. The PL-PRO D II also  
features a 10 foot, 12 gauge heavy-duty power  
cable.  
Additionally, the PL-PRO II offers a 20 segment  
LED bar-graph meter that displays incoming  
voltage between 90 and 128 volts in 2-volt  
steps. The normal range voltages are indicated  
in green, with moderately and extremely high  
or low voltages in yellow and red respectively.  
The voltmeter’s accuracy is ±2 volts. It can  
easily be re-calibrated, if necessary. (E-  
versions 180 – 256 VAC in 4 volt steps)  
PM-PRO SERIES II  
The PM-PRO II features two laboratory  
precision digital meters that display both  
incoming voltage in 1-volt steps, and a true  
R.M.S. current meter that measures the AC  
power draw within 0.5 amp. A rear mounted  
BNC jack accepts any standard (12VAC 0.5  
amp) gooseneck lamp for rear rack illumination.  
The PL-PRO II has a master magnetic circuit  
breaker switch for the front and rear outlets that  
is protected from accidental disconnection by  
a hinged cover. The PL-PRO II also features a  
10 foot, 12 gauge heavy-duty power cable.  
The PM-PRO II has a master magnetic circuit  
breaker switch for the front and rear outlets  
that is protected from accidental disconnection  
by a hinged cover. The PM-PRO II also  
features a 10 foot, 12 gauge heavy-duty power  
cable.  
PL-PRO D SERIES II  
4
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SERIES II 20 amp powER CondItIonERS  
O PE RATI O N  
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 power switch  
located on the far left of the front panel.  
The Series II’s front panel LED lamps must  
be replaced by qualified Furman service  
personnel.  
Retractable Rack Lights, Rear panel Lamp  
and dimmer Control:  
The PL-PRO II and PL-PRO D II utilize a  
dimmer control for the two retractable front  
panel light tubes. The dimmer knob controls  
the brightness of both light fixtures. Turn  
it clockwise to increase brightness; turn it  
counterclockwise to decrease brightness.  
When the lights are not in use, we recommend  
turning the dimmer fully counterclockwise to  
maximize the life of the LED’s, however, this  
is not absolutely necessary. Whether the light  
tubes are retracted or flush with the front panel,  
there will be no appreciable heat regardless of  
dimmer setting due to the efficiency of our full  
light spectrum LED’s.  
multi-Segment LEd voltmeter:  
(pL-pRo II only)  
This three-color, 20-LED bargraph is an  
accurate, self checking AC voltmeter that  
continually measures normal voltages. The  
meter reads from 90 to 128 volts in 2 volt  
increments (PL-PRO E II: 180 to 256 volts, in  
4 volt increments). The normal range voltages  
are indicated in green, with moderate and  
extremely high or low voltages in yellow and  
red respectively. The voltmeter provides three  
special flashing patterns to indicate abnormal  
conditions.  
All Series II units feature a rear rack BNC  
socket which will accept any 12 VAC (0.5A)  
gooseneck lamp assembly, (such as the  
Multi-Segment LED Voltmeter Readings  
Mains Vltg. Voltage Status  
Voltmeter Reading  
Outlets  
80-90  
Low Marginal  
Low  
Medium Low  
Normal  
Medium High  
High  
High Marginal  
The LED beneath the 90V mark flashes  
Meter Reads in Low Red  
Meter Reads in Low Yellow  
Meter Reads in Green  
Meter Reads in High Yellow  
Meter Reads in High Red  
All Meter LEDs Flash  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
90-104  
106-108  
110-120  
122-124  
126-128  
130-140  
Above 140  
Extreme (Shutdown)  
Meter off—Extreme Voltage LED illuminates  
OFF  
5
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SERIES II 20 amp powER CondItIonERS  
current meter continually measures the total  
circuit AC load, within a typical tolerance of +/-  
0.5 amp. Because these meters feature true  
R.M.S. technology, the current readings are  
accurate regardless of load conditions (capacitive,  
inductive or resistive).  
(1) If only the single leftmost (beneath the  
90V mark – 180V for E version) LED  
flashes, the input voltage is marginally  
low.  
(2) If all of the LED’s on the voltmeter  
flash, the input voltage is marginally  
high. Power to the PL-PRO’s outlets  
will remain unless the incoming  
notE: The PL-PRO II, PL-PRO D II, and PM-  
PRO D II, do not compensate for high or low  
line voltage. If you frequently move your rack to  
different locations, derive power from generators,  
use 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 Line  
Voltage Regulators.  
voltage rises above the Extreme  
Voltage Shutdown cutoff voltage  
(135 - 140 volts / 260 – 265 volts E  
version / 120 – 125 volts J version).  
(3) If none of the LED’s on the voltmeter  
are lit, and the Extreme Voltages LED  
indicator is illuminated, then the PL-  
Plus II has shut down power to its  
outlets because the input voltage is in  
a range considered extreme (in excess  
of 135 volts - 260 volts E version /  
120 volts J version).  
on/off Circuit Breaker:  
This 20 amp capacity magnetic circuit breaker  
switch is specifically designed to stand up to  
the enormous high inrush current demands of  
many Power Amplifiers. Additionally, the switch  
is shielded from accidental power disconnection  
with a hinged cover. (E-versions feature 16 amp  
capacity)  
digital Voltmeter:  
Extreme Voltage Shutdown Indicator:  
(pL-pRo d II and pm-pRo II only)  
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. No adjustment should be  
necessary on these units.  
This LED is normally off. It monitors a hazard  
common in the entertainment industry: wiring  
faults – for example, accidental connection  
to 220VAC where 120VAC is expected, or an  
open neutral from a 208 or 240VAC feed. The  
Series II SMP+ 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  
digital Current meter: (pm-pRo II only)  
Furman’s laboratory precision AC digital  
6
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SERIES II 20 amp powER CondItIonERS  
units, the Extreme Voltage indicator LED will  
light if the input voltage is above the extreme  
TROUBLE SHOOTING GUIDE  
voltage cutoff, and power will not be applied  
to the unit’s outlets. If the unit has been  
operating with an acceptable input voltage and  
subsequently that voltage exceeds 135V, it will  
shut off power to the outlet and the Extreme  
Voltage LED will light. (E version: over voltage  
shut down is 260 VAC. Guards against open  
neutral and accidental connection to 300+  
VAC)  
1.) Symptom: No power to the AC outlets.  
possible Cause: Circuit breaker switch has  
tripped to the off position, due to excessive  
load.  
action needed: Remove one piece of  
equipment from the Series II unit, open the  
hinged switch / breaker cover, and reset the  
switch to the on position.  
protection oK Indicator:  
2.) Symptom: No power to the AC outlets,  
“Protection OK” indicator is not lit.  
Although the Furman SMP circuit assures  
virtually protection from transient voltage  
spikes and surges, nature has a way of  
occasionally creating electrical forces that are  
beyond the capabilities of any TVSS device to  
absorb without some degree of damage. In  
the rare instance that this occurs, the green  
“Protection OK” LED indicator located on your  
front panel will dim. If this happens some level  
of protection from voltage surges will remain,  
but the Furman’s clamping voltage rating will  
be compromised. The unit must be returned  
to Furman Sound, or an authorized Furman  
possible Cause: Either the AC outlet to which  
your Series II device is connected has no AC  
voltage present, or the unit has been subjected  
to a sustained voltage in excess of 400 Volts.  
action needed: Plug the Series II unit into an  
AC receptacle where AC voltage is present. If  
the problem persists, the protection circuit may  
be damaged, and require factory service.  
Service center for repair.  
3.) Symptom: Extreme Voltage indicator lit.  
possible Cause: Input voltage is above 135-  
140 volts (270 – 280 volts E version), causing  
power to the unit’s outlets to be shut down.  
Additionally, if the voltage is below 85 - 90 volts  
at turn on, the unit will not allow AC voltage to  
reach the outlets.  
notE: If the mains power is above the high  
cutoff voltage and has caused the unit to  
remove power from its outlets, it cannot restore  
power without the operator manually turning  
the unit off, then on again. Avoid turning the  
unit back on, without first checking the source  
of the problem, and perhaps changing the AC  
source.  
action needed: Correct the line voltage, then;  
turn the unit on. Consider installing a Furman  
voltage regulator.  
7
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SERIES II 20 amp powER CondItIonERS  
be effectively reduced through use of low-pass  
DEFINITIONS  
filtering.  
SPIKE: This is a pulse of energy on the  
power line. Spikes can have voltages as  
high as 6000 volts. Though they are usually  
of very short duration, the energy they  
contain can be considerable, enough to  
damage sensitive solid-state components  
in audio and computer equipment. Spikes  
can also foul switch contacts and degrade  
wiring insulation. They are an unavoidable  
component of electric power. They are caused  
unpredictably by electric motors switching  
on or off (on the premises or outside), utility  
company maintenance operations, lightning  
strikes and other factors. Spikes (also called  
surges or transients) are absorbed by special  
components in the series II Series Multi-Stage  
Protection circuitry to provide safe voltage  
levels to protect your equipment.  
THREE YEAR LIMITED  
WARRANTY  
Furman Sound, LLC., having its principal place  
of business at 1997 South McDowell Blvd.,  
Petaluma, CA 94954 (“Manufacturer”) warrants  
its 20 amp Series II Power Conditioners (the  
“Product”) as follows:  
Manufacturer 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 three years  
from the date of purchase. The Purchaser  
of the product is allowed fifteen days from  
the date of purchase to complete warranty  
registration by mail or on-line at the Furman  
website. If the Product does not conform to this  
Limited Warranty during the warranty period  
(as herein above specified), Purchaser shall  
notify Manufacturer in writing of the claimed  
defects. If the defects are of such type and  
nature as to be covered by this warranty,  
Manufacturer shall authorize Purchaser to  
return the Product to the Furman factory or to  
an authorized Furman repair location. Warranty  
claims should be accompanied by a copy of  
the original purchase invoice showing the  
purchase date; this is not necessary if the  
Warranty Registration was completed either via  
the mailed in warranty card or on-line website  
RFI/EMI INTERFERENCE: Noise from RFI  
(Radio Frequency Interference) or EMI (Electro  
Magnetic Interference) involves lower voltages  
and less energy than is found in spikes, but it  
is continuous rather than transient in nature.  
It is not likely to cause damage, but it can  
certainly be annoying, producing static in audio  
circuits, “snow” on video screens, or garbled  
data in computers. Noise can be introduced  
into AC lines by nearby radio transmitters,  
certain kinds of lighting, electric motors, and  
other sources. Because noise occurs at higher  
frequencies than the 50 or 60 Hz AC line, it can  
8
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SERIES II 20 amp powER CondItIonERS  
registration. Shipping charges to the Furman  
factory or to an authorized repair location must  
be prepaid by the Purchaser of the product.  
Manufacturer shall, at its own expense, furnish  
a replacement Product or, at Manufacturer’s  
option, repair the defective Product. Return  
shipping charges back to Purchaser will be  
paid by Manufacturer.  
in the manner and for the period provided  
above. Manufacturer 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 Manufacturer be  
liable for incidental, special, or consequential  
damages. Manufacturer’s employees or  
representatives’ ORAL OR OTHER WRITTEN  
STATEMENTS DO NOT CONSTITUTE  
WARRANTIES, shall not be relied upon by  
Purchaser, and are not a part of the contract  
for sale or this limited warranty. This Limited  
Warranty states the entire obligation of  
Manufacturer 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.  
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. Manufacturer  
does not warrant against damages or defects  
arising out of improper or abnormal use of  
handling of the Product; against defects or  
damages arising from improper installation,  
against defects in products or components  
not manufactured by Manufacturer, or against  
damages resulting from such non-Manufacturer  
made products or components. This warranty  
shall be cancelable by Manufacturer at its  
sole discretion if the product is modified in  
any way without written authorization from  
Furman Sound. 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  
Manufacturer.  
S E R V I C E  
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 enclose  
a note giving your name, address, phone  
number and a description of the problem.  
NOTE: All equipment being returned for  
repair must have a Return Authorization (RA)  
Number. To get an RA Number, please call the  
Furman Service Department: (707) 763-1010,  
ext. 121. Please display your RA Number  
prominently on the front of all packages.  
THIS WARRANTY IS EXCLUSIVE. The sole  
and exclusive obligation of Manufacturer shall  
be to repair or replace the defective Product  
9
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SERIES II 20 amp powER CondItIonERS  
SpECIFICatIonS  
Current rating:  
20 amps (“E” versions 16 amps)  
Operating Voltage:  
Make sure to pick up one of  
90 to 140 VAC (“E” versions 180 to 280 VAC)  
Furman’s goosneck lights -  
the perfect accesory for your  
Series II unit.  
Over Voltage Shutdown:  
140 VAC typically (“E” versions 260 VAC typically, “J” ver-  
sions 125 VAC typically)  
Voltmeter Accuracy:  
PL-PRO II only: ±2 VAC, calibrated with internal  
trimpot adjustments  
PL-PRO D II & PM-PRO II: ±1.5 VAC,  
PM-PRO II Current meter: ±0.5 amp  
Spike Protection Modes:  
Line to neutral, zero ground leakage  
Spike Clamping Voltage:  
188 Vpk @ 3,000 amps, (133 VAC RMS)  
(“E” Version: 376 Vpk (266 VAC RMS)  
Response time:  
1 nanosecond  
Maximum surge current:  
6,500 amps  
Noise attenuation:  
10 dB @ 10 kHz  
40 dB @ 100 kHz  
100 dB @ 10 MHz  
Linear attenuation curve from 0.05 - 100 ohms line imped-  
ance  
Mechanical:  
Dimensions: 1.75” H x 19” W x 10.5” D.  
Weight: 11 lbs (5 kg).  
Construction: Steel chassis, .125” brushed and black anod-  
ized aluminum front panel; glass epoxy printed circuit boards  
Power Consumption:  
PL-PRO II, 12 watts  
PL-PRO D II, 12 watts  
PM-PRO II, 12 watts  
Safety Agency Listings:  
CE, NRTL-C  
10  
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Furman Sound, LLC.  
1997 South McDowell Blvd.  
Petaluma, California 94954-6919 USA  
Phone: 707-763-1010 Fax: 707-763-1310  
111804-C  
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