Furman Sound Power Supply PL PLUS D II User Manual

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SERIES II 15 AMP PowER CondItIonERS  
I N T R O D U C T I O N  
trusted over-voltage circuitry protects against  
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) even when tested with multiple 6000 Vpk  
- 3000 amp surges! This unprecedented level  
of protection is only available with Furman’s  
SMP+ technology. Additionally, Furman’s  
SAF E T Y I N F O R MAT I O N  
To obtain best results from your Furman Series  
II Power Conditioner, please read this manual  
carefully before using.  
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SERIES II 15 AMP PowER CondItIonERS  
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.  
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.  
WA R N I N G  
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.  
7. Your Series II unit should be serviced by  
qualified service personnel when:  
• The power supply cord or the plug has been  
frayed, kinked, or cut.  
• Objects have fallen or liquid has spilled into  
the unit.  
IMPORTANT SAFETY  
INSTRUCTIONS  
• The unit has been exposed to rain or other  
moisture.  
• 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.  
(Please read prior to installation)  
1. Please read and observe all safety and  
operating instructions before installing your  
Series II unit. Retain these instructions for  
future reference.  
• The retractable LED lights have failed. (not  
applicable to the PM-8 II)  
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.  
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.  
3. Do not place your Series II unit near heat  
sources such as radiators, heat registers,  
stoves, or other appliances that produce heat.  
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.  
4. The PL-8 II, PL-Plus II, PL-Plus D II, and PM-  
8 II should only be connected to a 120 VAC,  
60Hz, 15 amp grounded electrical outlet. Do  
not defeat the ground or change polarization of  
the power plug. (E- versions 220 – 240 VAC 50 Hz. /  
J- versions 100 – 120 VAC 50 Hz.)  
ADDITIONAL F EATU R E S  
PL-8 SERIES II  
5. Route the power cord and other cables so  
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SERIES II 15 AMP PowER CondItIonERS  
The PL-8 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. Additionally, a rear mounted BNC  
jack accepts any standard (12VAC 0.5 amp)  
gooseneck lamp for rear rack illumination.  
The PL-8 II has a master switch for all outlets  
and easily reset should the unit be overloaded.  
The PL-Plus II also features a 10 foot, 14  
gauge heavy-duty power cable.  
PL-PLUS D SERIES II  
The PL-Plus 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  
that glows red when the power is on. The front- level of illumination or simply switch the lights  
panel circuit breaker can be quickly and easily  
reset should the unit be overloaded. The PL-8  
II also features a 10 foot, 14 gauge heavy-duty  
power cable.  
off. A rear mounted BNC jack accepts any  
standard (12VAC 0.5 amp) gooseneck lamp for  
rear rack illumination.  
Additionally, the PL-Plus D II offers a laboratory  
precision digital meter that displays incoming  
voltage in 1-volt steps. The voltmeter’s  
accuracy is ±1.5 volt.  
PL-PLUS SERIES II  
The PL-Plus 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.  
The PL-Plus D II has a master switch for all  
outlets that glows red when the power is on.  
The front-panel circuit breaker can be quickly  
and easily reset should the unit be overloaded.  
The PL-Plus D II also features a 10 foot, 14  
gauge heavy-duty power cable.  
Additionally, the PL-Plus II offers a 20  
PM-8 SERIES II  
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 / J-  
versions 80 - 118 VAC in 2 volt steps)  
The PM-8 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 PM-8 II has a master switch for the rear  
outlets that glows red when the power is on.  
The front-panel circuit breaker can be quickly  
and easily reset should the unit be overloaded.  
The PM-8 II also features a 10 foot, 14 gauge  
The PL-Plus II has a master switch for all  
outlets that glows red when the power is on.  
The front-panel circuit breaker can be quickly  
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SERIES II 15 AMP PowER CondItIonERS  
heavy-duty power cable.  
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.  
O PE RATI O N  
Retractable Rack Lights, Rear Panel Lamp  
and dimmer Control:  
Multi-Segment LEd voltmeter:  
(PL-Plus II only)  
The PL-8 II, PL-Plus, and PL-Plus 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.  
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-PLUS 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.  
(1) If only the single leftmost (beneath the  
90V mark – 180V for E version) LED  
flashes, the input voltage is marginally  
low.  
All Series II units 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  
(2) If all of the LED’s on the voltmeter  
flash, the input voltage is marginally  
high. Power to the PL-Plus’s outlets  
will remain unless the incoming voltage  
rises above the Extreme Voltage  
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 illuminatesOFF  
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SERIES II 15 AMP PowER CondItIonERS  
Shutdown cutoff voltage (135 - 140  
volts, 260 – 265 volts E version, 120  
- 125 volts J version).  
This 15 amp capacity power switch is specifically  
designed to stand up to the enormous high inrush  
current demands of many Power Amplifiers.  
Additionally, the semi-transparent rocker lights  
when switched to the “ON” position. (E-versions  
feature 10 amp capacity)  
(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).  
Extreme Voltage Shutdown Indicator:  
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 units, the  
Extreme Voltage indicator LED will light if the  
input voltage is above the extreme 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.  
digital Voltmeter:  
(PL-Plus d II and PM-8 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.  
digital Current Meter: (PM-8 II only)  
Furman’s laboratory precision AC digital  
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).  
E version: over voltage shut down is 260 VAC  
J version: over voltage shut down is 125 VAC  
Guards against open neutral and accidental  
connection to 300+ VAC  
Protection oK Indicator:  
Although the Furman SMP circuit assures virtually  
free 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  
notE: The PL-8 II, PL-Plus II, PL-Plus D  
II, and PM-8 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.  
on/off Rocker Switch:  
6
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SERIES II 15 AMP PowER CondItIonERS  
voltage rating will be compromised. The unit  
must be returned to Furman Sound, or an  
authorized Furman Service center for repair.  
volts (260 – 265 volts E version, 120  
- 125 volts J 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  
allowAC 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.  
DEFINITIONS  
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 PL-8 and PL-PLUS to  
provide safe voltage levels to protect your  
equipment.  
TROUBLE SHOOTING GUIDE  
1.) Symptom: No power to the AC outlets.  
Possible Cause: Circuit breaker has tripped  
due to excessive load.  
Action needed: Remove one piece of  
equipment from the Series II unit, and push the  
square re-set tab into the Circuit breaker bezel.  
2.) Symptom: No power to the AC outlets,  
“Protection OK” indicator is not lit.  
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.  
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  
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.  
3.) Symptom: Extreme Voltage indicator lit.  
Possible Cause: Input voltage is above 135- 140  
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SERIES II 15 AMP PowER CondItIonERS  
into AC lines by nearby radio transmitters,  
defective Product. Return shipping charges back  
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  
be effectively reduced through use of low-pass  
filtering.  
to Purchaser will be paid by Manufacturer  
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.  
THREE YEAR LIMITED  
WARRANTY  
Furman Sound, LLC., having its principal place  
of business at 1997 South McDowell Blvd.,  
Petaluma, CA 94954 (“Manufacturer”) warrants  
its 15 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 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  
THIS WARRANTY IS EXCLUSIVE. The sole  
and exclusive obligation of Manufacturer shall  
be to repair or replace the defective Product 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  
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SERIES II 15 AMP PowER CondItIonERS  
part of this Limited Warranty is determined to be  
SPECIFICAtIonS  
void or illegal, the remainder shall remain in full  
force and effect.  
Current rating:  
15 amps (“E” versions 10 amps)  
Operating Voltage:  
S E R V I C E  
90 to 140 VAC (“E” versions 180 to 260 VAC)  
Over Voltage Shutdown:  
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.  
140 VAC typically (“E” versions 260 VAC typically, “J”  
versions 125 VAC typically)  
Voltmeter Accuracy:  
PL-PLUS II only: ±2 VAC, calibrated with internal  
trimpot adjustments  
PL-PLUSD & PM-8: ±1.5 VAC,  
Current meter: ±0.5A  
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  
Make sure to pick up one of  
Furman’s goosneck lights -  
the perfect accessory  
Maximum surge current:  
6,500 amps  
for your Series II unit.  
Noise attenuation:  
10 dB @ 10 kHz  
40 dB @ 100 kHz  
100 dB @ 10 MHz  
Linear attenuation curve from 0.05 - 100 ohms  
line impedance  
Mechanical:  
Dimensions: 1.75” H x 19” W x 10.5” D.  
Weight: 11 lbs (5 kg).  
Construction: Steel chassis, .125” brushed and  
black anodized aluminum front panel; glass epoxy  
printed circuit boards  
Power Consumption:  
PL-8 II, 6 watts  
PL-PLUS II, 12 watts  
PL-PLUS D II, 12 watts  
PM-8 II, 12 watts  
Safety Agency Listings:  
CE, NRTL-C  
9
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SERIES II 15 AMP PowER CondItIonERS  
PL-8 Series II  
Additional Switched Outlet  
Circuit Breaker  
Light Switch  
Dimmer Control  
Power Switch  
LED Rack Lights  
PL-PLUS Series II  
Circuit Breaker  
Light Switch  
Power Switch  
Voltmeter  
Dimmer Control  
Additional Switched Outlet  
LED Rack Lights  
Voltmeter  
PL-PLUS d Series II  
Light Switch  
Power Switch  
Circuit Breaker  
Dimmer Control  
LED Rack Lights  
Current meter  
Additional Switched Outlet  
PM-8 Series II  
Light Switch  
Voltmeter  
Circuit Breaker Power Switch  
Additional Switched Outlet  
Rear of all  
8 Switched Outlets  
BNC Connector for Goosneck Light  
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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