M-8S OWNER’S MANUAL
M-8S - MERIT Series Power Conditioner • ENGLISH
INTRODUCTION
Thank you and congratulations on your purchase of your Merit M-8S Surge Protector and Power
Sequencer. The M-8S represents an excellent combination of value and performance and has been designed to provide many years of reliable service. Please take a moment to read this manual and learn about the many features and benefits that the Merit M-8S has to offer.
SAFETY INFORMATION
1.Please read and follow all instructions.
2.Please keep these instructions.
3.Please heed all warnings.
4.WARNING: This device is intended for indoor use only. Do not use this device in or near water.
To reduce the risk of fire or electric shock, do not expose this device to rain or moisture.
5.CAUTION: To reduce risk of shock, please disconnect the M-8S from AC power before servicing any equipment connected to the M-8S.
6.Clean only with dry cloth.
FEATURES
Sequenced Outlets allows large A/V systems to be safely power cycled on and off with a single switch.
Merit Class Surge Protection Provides basic Line to Neutral Surge protection with zero ground leakage.
RFI/EMI filtration – Pi type LCR filter gives greater than 26dB of attenuation from 100 KHz to 1 MHz
Remote Interface Legacy style interface with Phoenix style connector allows remote operation and compatibility with Furman legacy equipment.
7. CAUTION: Do not install near heat sources such as radiators, heat registers, stoves, or other equipment that may produce intense heat.
8.Protect power cords from being walked on or pinched, particularly at the point where they exit the device.
9.Please, only use accessories specified by the manufacturer.
10.Refer all servicing to qualified personnel. Servicing is required when the unit has been damaged in any way or fails to operate.
11.WARNING: Do not use power cord as the main power disconnect. The device is intended for AC power sequencing.
12.Do not defeat the safety purpose of the grounded plug. A grounded plug has two blades and a round grounding contact. If the grounding contact does not fit into your outlet, please consult an electrician for assistance.
13.WARNING: This device must be connected to an AC outlet with a protective earth ground connec-
tion.
Thermal Circuit Breaker – Rated 15Amps at 120VAC
Green LED – Indicators for status.
9 Outlets – NEMA 5-15R
10 ft. Power Cord – NEMA 5-15P
3 Year Limited Product Warranty – See warranty documentation at the end of this manual or online at www.furmansound.com
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M-8S - MERIT Series Power Conditioner • ENGLISH
FEATURES (Continued)
Sequenced Outlets
Most sound reinforcement professionals realize the majority of equipment damage occurs while devices are either powered up or powered down. Power sequencing allows A/V equipment to be powered up in stages which gives equipment time to stabilize before the next stage of equipment is energized. When powering down, the sequence order is reversed, which results in a soft landing for your expensive AV equipment.
Although there are many benefits to power sequencing, perhaps the most well-known is the elimination of “Speaker Pop”. Speaker Pop is the loud popping noise that occurs when AV components are powered up simultaneously or out of sequence. Most people have experienced Speaker Pop. In addition to being extremely unsettling, Speaker Pop can stress or damage sound system components such as amplifiers and speakers. By delaying the activation of the amplifiers until the low level equipment has had the opportunity to stabilize, Speaker Pop is virtually eliminated.
Power Sequencing is also useful in preventing nuisance breaker trips. Amplifiers can have very high in-rush currents at power up. If multiple amplifiers are activated simultaneously, the in-rush currents sum together and can exceed the capacity of the branch circuit which can cause the circuit breaker to trip. The Furman M-8S prevents breaker trips by sequencing (offsetting) power activations over time. This offset sequence allows transient load currents to occur over several seconds rather than all at once, which prevents nuisance breaker trips.
The turn-on delay intervals are factory preset to 5 seconds per stage. This delay can be increased or decreased using the rear panel trim pot adjustment (see “Adjusting the Delay Interval” for details).
In the event of a power outage, all equipment plugged into an M-8S will lose power simultaneously. When power is restored, the behavior of the M-8S will depend upon switch settings and how the unit has been configured:
•If the M-8S has been configured for Maintained mode and the Sequence switch is in the ON position, the delayed outlet groups will turn on in the normal delayed sequence order when power is restored.
•If the M-8S has been configured for Momentary mode the delay outlets will remain off until activated by the end user.
Merit Class Surge Protection
The M-8S features Furman’s Merit Line to Neutral Surge protection and RFI/EMI filtration. The Merit filter is designed to dissipate voltage transients and protect your equipment from surge events. The M-8S is also equipped with a Protection OK LED which provides a visual indication that the M-8S’ surge protection circuit is operational.
Thermal Circuit Breaker
Resettable 15 Amp circut breaker.
Sequence On/Off Switch:
The front panel sequence on/off switch sequentially powers on and off the DELAY 1, 2, and 3 outlets. The front and rear panel UNSWITCHED outlets are always on when power is applied to the M-8S.
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M-8S - MERIT Series Power Conditioner • ENGLISH
FRONT PANEL FEATURES
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UNSWITCHED |
SEQUENCE |
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15 AMPS |
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ON |
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M-8S |
DELAY 1 |
DELAY 2 |
DELAY 3 |
PROTECTION OK POWER |
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OFF |
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PUSH TO RESET |
DELAY 1, 2, and 3 Indicators:
The DELAY 1, 2 and 3 indicators always show the present state of the corresponding DELAY 1, 2 and 3 outlets. In all cases, if the indicator is ON, the outlet is ON. If the indicator is OFF, the outlet is OFF.
Protection OK Indicator:
Although the Furman Merit Filter assures protection from transient voltage spikes and surges, nature can occasionally produce electrical forces that are beyond the capabilities of any surge suppression device to absorb without sustaining some degree of damage. In the rare instance in which damage occurs, the green “PROTECTION OK” LED indicator located on your front panel will either dim or extinguish completely. If this happens the M-8S’ surge protection has been compromised and the unit must be returned to Furman Sound. Please contact Furman Tech Support or your Furman Dealer.
Power Indicator:
The POWER indicator is illuminated any time power is applied to the M-8S.
Thermal Circuit Breaker
Resettable 15 Amp circut breaker. If this breaker “trips” please reduce the load.
Sequence On/Off Switch:
The front panel on/off switch sequentially powers on and off the DELAY 1, 2 and 3 outlets. The front and rear panel UNSWITCHED outlets are always on.
This on/off switch will operate in either MAINTAINED or MOMENTARY mode.
REAR PANEL FEATURES 
120 VAC, 50/60/HZ |
UNSWITCHED |
DELAY 1 |
DELAY 2 |
DELAY 3 |
DLY |
1 2 3 |
12V ON |
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15A MAX |
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ADJ |
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12V OFF |
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GNDON 2 |
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POWER |
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MNTMOM 3 |
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12V STAT REM GND
REMOTE PORT
Adjusting the Delay Interval
The delay interval, which is the time between the turn-on / turn-off of consecutive DELAY outlets 1 and 2, or 2 and 3, is factory preset to approximately 5 seconds. It is possible to lengthen or shorten the delay interval by changing the position of the DLY-ADJ trim pot located on the right side of rear panel.
DLY |
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ADJ |
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12V STAT REM |
GND |
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REMOTE PORT |
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The delay adjustment procedure is simple and requires a small standard screwdriver. The DLY ADJ (delay adjustment) is a trim pot that is located on the rear of the M-8S above the legacy interface and to the left of the DIP Switches. Locate the rectangular slot in the center of the trim pot and use a screwdriver to rotate the trim pot to set your desired delay. The minimum delay (1/2 Second) is achieved when the trim pot is adjusted fully counter-clockwise. The maximum delay between stages (~10 Seconds) is achieved when the pot is rotated fully clockwise.
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M-8S - MERIT Series Power Conditioner • ENGLISH
REAR PANEL FEATURES (continued)
Remote Interface |
PIN 2 STATUS (Output) |
The M-8S has a remote interface which can be used to control the M-8S remotely using a Furman RS-1 (Maintained) or RS-2 (Momentary) wall switches. In the most basic, single unit configuration, only two wires and a switch are required to initiate a remote ON or OFF sequence. The switch may be either a momentary or maintained-contact type. If a third & fourth wire are available, an LED “Status Light” can be installed at the remote switching location to indicate the status of the M-8S. The pins on the remote interface are described below:
Remote Interface
1 2 3 4
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12V STAT REM GND |
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REMOTE PORT |
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Remote Interface |
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Description |
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12V |
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12VDC @12mA General |
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Purpose Output |
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STAT |
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Output for driving an external |
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status LED |
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REM |
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Input for controlling the |
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sequencer remotely |
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4 |
GND |
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Ground (12VDC Power |
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Common) |
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PIN 1 +12VDC (12VDC Voltage Source)
The +12VDC terminal pin is a general purpose, 12VDC voltage source relative to the GND (#4) pin. It is provided to allow the user to control the operation of the sequencer by feeding the +12VDC signal back into the REM terminal input; which is pin #3 on the same barrier strip.
The STAT (status) terminal is an output that may be used to activate an LED to indicate the status of the M-8S. If the STAT terminal is high, the M-8S Delay outlets are either ON, or are in the process of sequencing ON. If the STAT terminal is low, the M-8S Delay outlets are OFF. To use the STAT terminal output simply connect an LED between the STAT and GND with the Cathode (flat) side of the LED oriented toward the GND pin (Pin #4). Do not use a series current limiting resistor. If the LED does not light when the remote switch is ON, check the polarity of the LED and reverse the leads if necessary.
•If the LED is OFF, the DELAY outputs are OFF
•If the LED is ON, the DELAY outputs are ON
•If the LED is blinking, the DELAY 1, 2 or 3 outputs are in transition either from ON to OFF or
OFF to ON
PIN 3 REMOTE (Input)
The REM (remote) terminal is provided to allow remotely connected devices to sequence the M-8S ON or OFF. The M-8S’ REM terminal has been designed to work with voltages from 5 to 30VDC. Filtering has been added to this input to prevent false-triggering. The behavior of the M-8S is controlled by the combination of the signal presented at the REM terminal input, and the arrangement of the rear panel DIP switches. Please refer to REAR PANEL DIP SWITCH section (page 6) for more details.
PIN 4 GND (Power)
The GND (ground) terminal pin serves a ground reference point for all other pins on the Remote Interface. GND can also be fed back into the REM pin (Pin #3) to activate the sequence when the M-8S has been configured for GND ON mode. Please note that the GND terminal on the Remote Interface is not the same as chassis ground and should never be connected to chassis ground.
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M-8S - MERIT Series Power Conditioner • ENGLISH
REAR PANEL FEATURES (continued)
Rear Panel DIP Switch
A rear panel three position DIP switch is used to set the sequence mode (+12V ON, +12V OFF, GND ON, Mom/ Maint) which defines how the M-8S will react to the signal presented on its REM input. The table below summarizes the behavior which is described in further detail below. Note that DIP switch position 2 overrides the setting of DIP switch 1, and DIP switch 3 overrides switches 1 and 2.
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DLY |
1 2 3 |
12V ON |
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12V OFF |
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ADJ |
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GNDON 2
MOMMNT 3
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1 2 3 |
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DIP 1 |
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DIP 2 |
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DIP 3 |
MODE |
Note: The front panel SEQUENCE ON/OFF switch acts as an override. The SEQUENCE switch must be |
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12V ON |
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GND ON |
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MOM/MNT |
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in the ON position for any of the sequenced outlets to be activated. |
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OFF |
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OFF |
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OFF |
+12V OFF |
Sequences the M-8S |
ON when REM = Open Circuit |
FACTORY DEFAULT SETTING |
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Sequences the M-8S OFF when REM = 12VDC |
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ON |
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OFF |
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OFF |
+12V ON |
Sequences the M-8S ON when REM = 12VDC |
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OFF |
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ON |
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OFF |
GND ON |
Sequences the M-8S |
OFF when REM = Open Circuit |
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Sequences the M-8S |
ON when REM is connected to GND terminal |
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ON |
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ON |
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OFF |
GND ON |
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Sequences the M-8S |
OFF when REM = Open Circuit |
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OFF |
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OFF |
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ON |
Momentary |
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ON |
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OFF |
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ON |
Momentary |
Sequences the M-8S from ON to OFF or OFF to ON each time +12V is applied to the REM input. |
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OFF |
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ON |
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Momentary |
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ON |
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ON |
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ON |
Momentary |
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DIP Switch position #1 (Factory default is OFF)
DIP Switch position 1 defines how the M-8S will behave when +12VDC is applied to the REM pin on the Remote interface. If this switch is in the ON position, the M-8S will sequence ON when +12V is applied to the REM input. If this switch is in the OFF position (+12V OFF) the M-8S will sequence OFF when +12V is applied to the REM input. DIP
switches 2 and 3 must be in the OFF position (Maintained mode).
DIP Switch position #2 (Factory default is OFF)
DIP Switch position 2 defines how the M-8S will behave when GND is applied to the REM pin on the Remote interface. If this switch is in the ON position, the M-8S will sequence ON when GND is applied to the REM input. If this switch is in the OFF position the M-8S will follow the behavior defined by DIP Switch #1. DIP switch 3 must be in the OFF position (Maintained mode).
DIP Switch position #3 (Factory default is OFF)
DIP Switch position 3 defines the switching preference for switches or devices connected to the REM pin on the Remote Interface. If this switch is in the ON position, the M-8S will operate in Momentary mode. If this switch is in the OFF position the product will operate in Maintained mode.
Maintained switches, for example toggle switches or push-ON / push-OFF push button latching switches maintain their contact position until the switch is actuated a second time. Thus a switch that is closed will remain closed until the switch position is changed (such as the Furman RS-1).
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M-8S - MERIT Series Power Conditioner • ENGLISH
REAR PANEL FEATURES (continued)
Momentary switches, for example non-latching push buttons, are momentary contact devices that maintain their contact position (open or closed) only as long as the switch is held in a given position. When the switch actuator is released, the switch reverts to its normal position (such as the Fuman RS-2).
A switch of either kind may be used to actuate the M-8S’s remote operation. Maintained switches are generally most convenient when there is only one
remote switch location used to control the M-8S. When more than one switching location is required, momentary switches allow the M-8S to be sequenced ON or OFF from multiple locations.
Power Indicator:
The POWER indicator is illuminated any time power is applied to the M-8S. This LED indicates the unswitched outlets are powered.
CONNECTING MULTIPLE M-8S UNITS TOGETHER
Multiple M-8S units can be linked together (via their remote interface) to control additional system needs or requirements. There are two basic connection methods for the M-8S; Serial and Parallel. The connection method you use may be series, parallel, or a combination thereof and will depend upon the requirements of your specific installation.
M-8S in Series Mode:
Series mode connection is normally used when more than three delay stages are needed. Combining M-8S units in series requires an accessory relay (Furman P/N PS-REL) to trigger secondary (downstream) units. When connecting M-8S units in series, the PS-REL is plugged into one of the DELAY 3 outlets on the primary (upstream) unit and the relay terminals on the PS-REL are connected to the remote interface on the secondary (downstream) unit. When the DELAY 3 outlets on the primary unit are activated the PS-REL is also activated – which triggers the sequence to start on the secondary (downstream) M-8S. Series mode connection can be repeated for any number of M-8S units. Further information on the PS-REL can be found on the Furman website: http://www.furmansound.com/pdf/ manuals/PS-REL_manual.pdf
M-8S in Parallel Mode:
Parallel mode can be used to activate loads in excess of 15 Amps by distributing the loads over one or more M-8S units. When connected in parallel (see Figures A and B, pg. 8) all connected M-8S units will activate their Delay 1 simultaneously. The activation times of Delay stages 2 and 3 will depend upon the delay setting of each unit. If M-8S units are operating in parallel to increase load capacity, each unit should be connected to an independent 15 to 20 Amp branch circuit and breaker. If in doubt, please consult with a qualified electrician to verify that your facility can support the load currents required for your installation.
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M-8S - MERIT Series Power Conditioner • ENGLISH
CONNECTING MULTIPLE M-8S UNITS IN PARALLEL
Parallel Maintained Mode:
To control multiple M-8S units with a single remote switch; connect the REM, +12V, terminals of all units in parallel (Figure A). Make sure that the DIP #3 is OFF and the positions of DIP #1 and DIP #2 on all connected units are set to the same position. Connect a single maintained switch (such as the Furman RS-1) to the nearest M-8S.
Parallel Momentary Mode:
+12V |
+12V |
+12V |
STATUS |
STATUS |
STATUS |
REM |
REM |
REM |
GND |
GND |
GND |
Fig. A - Three M-8S units configured for Parallel Maintained mode with LED indicator.
To control multiple M-8S units with multiple switches, use Momentary mode (DIP #3 ON) and connect
the REM, and +12V, terminals of all units in parallel (Figure B) and connect one or more momentary contact switches in parallel with the REM, and +12V terminals. All connected units will change state (from ON to OFF, or OFF to ON) each time one of the switches are pressed.
Helpful Hint: Breaker trips or unauthorized access to the front panel Sequence switch can cause linked units operating in Momentary mode to fall out of sync. To restore sync, press and hold the remote
+12V |
+12V |
+12V |
STATUS |
STATUS |
STATUS |
REM |
REM |
REM |
GND |
GND |
GND |
Fig. B - Three M-8S units configured for Parallel Momentary with LED indicator.
(Figure B) switch for more than 4 seconds. This will force all linked units into the OFF state. Linked units can also be re-synced by cycling AC power to all connected units.
CONNECTING MULTIPLE M-8S UNITS IN SERIES
Series Maintained Mode:
To operate multiple M-8S units in series using a single remote switch; connect a maintained contact switch between the REM and +12V on the primary unit and connect a PS-REL between the DELAY 3 outlet on the primary unit and the REM and +12V pins on the secondary unit. Continue connecting M-8S units in this pattern until all units have been connected.
PRIMARY M-8S UNIT
DELAY 3
When the primary unit sequences ON the PS-REL |
SECONDARY M-8S UNIT |
will activate as soon as the DELAY 3 outlet on the |
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DIP 1, 2, 3 = OFF |
secondary unit to begin to sequence on. |
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PS-REL
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NC NO C |
ACCESSORY RELAY AC REL-PS MODEL |
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DLY |
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12V ON |
1 |
1 2 3 |
12V OFF |
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ADJ |
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GND 2
ON
MOM 3
MNT
12V STAT REM GND
REMOTE PORT
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M-8S - MERIT Series Power Conditioner • ENGLISH
CONNECTING MULTIPLE M-8S UNITS IN SERIES (continued)
Please note the following:
•In series mode, the DELAY 3 outlets of the primary unit and the DELAY 1 outlets of the secondary unit will activate simultaneously.
•When sequencing off series connected units, the secondary units will begin to sequence off as soon
TROUBLESHOOTING
M-8S shows no signs of life – no lights or activity
•Confirm that unit is receiving 120VAC power.
•Confirm that the front panel breaker is not tripped.
M-8S Power lamp is on, but unit does not sequence
•Confirm that the sequence switch is in the ON position.
•Confirm that the signals present at the remote interface allow sequencing.
•If in doubt, return the M-8S to factory default settings and re-test.
as the DELAY 3 outlets on the primary unit turns off. This means that both the primary and secondary units will sequence off at the same time. In other words, sequencing ON and sequencing OFF are not equivalent. If your installation requires symmetrical sequencing please consult Furman Technical Support for other product options.
M-8S Power lamp is on, but PROTECTION OK LED is dim or off
•Surge protection circuit has been damaged; return unit to Furman authorized repair facility for service.
M-8S operates, but trips circuit breaker
•Check loads on all outlets, reduce if necessary.
•Check loads on branch circuit, reduce if necessary.
COMPATIBLE FURMAN PRODUCTS
RS-1 – Remote Key Switch |
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RS-2 – Remote Key Switch w/ Push Button |
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PS-REL – Accessory Relay |
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M-8S - MERIT Series Power Conditioner • ENGLISH
SPECIFICATIONS
Maximum AC Current Rating:
•15 Amps, 120 VAC (Thermal breaker)
•AC Cord: 14AWGx3, 10 feet, black, fixed, NEMA 5-15P plug
AC Receptacles:
•Convenience Outlet (Front Panel)
1Un-switched NEMA 15-5R
•Rear Panel Outlets: 2 Un-switched NEMA 5-15R (1 duplex),
•6 Sequenced NEMA 5-15R (3 duplexes, each controlled by separate relay)
Surge Protection:
•AC Surge Protection: Merit Class (sacrificial)
•Spike Protection Mode: Line to neutral, zero ground leakage
•Max Continuous Operating Voltage: 130V RMS
•Max Clamp Voltage: 500 Volts Peak
•Peak Impulse Current: 12,000 Amps
•Energy Rating (2 X 820µS): 225 Joules
User Interface:
•Rocker Switch: Front panel, Sequence (ON, OFF)
•Thermal Circuit Breaker: Front panel, push to reset
•Front panel indicators Delay 1, Delay 2, Delay 3, Power, Protection OK
Control/Status/Triggering (Rear Panel):
•Rear Panel DIP Switches: 12V Mode On/Off, GND Mode On, Momentary/Maintained
•Potentiometer: Rear panel, time calibration fine tune delay adjust
•Remote Terminal: +5-30VDC In, 12VDC (12mA) Out
•Remote Terminal: Phoenix type 4-Pin Connector with Screw terminals; +12V, STAT, REM, GND
(Class 2 Wiring)
Size: 1.75” X 19.00” X 6.5” (HWD) – ANSI 1RU Mass: 5.3 lbs.
Power Consumption (No Load): • 5 Watts Safety Agency:
• C/CSA/US |
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AC Filtering:
•Pi LCR Filter
•Noise Attenuation: >26dB, 100 Khz to 1 MHz
Operating Temperature Range:
•5C (40F) to 40C (105F) degrees
Humidity Range:
THREE YEAR
PRODUCT WARRANTY
Furman warrants to the original purchaser of this product for a period of three (3) years from the date of purchase, that the unit shall be free of defects in design, material or workmanship, and Furman will repair or replace any defective unit. Your receipt is your proof of purchase.
Specifications in this manual are subject to change without notice due to design improvements and upgrades.
CAUTION! WARRANTY LIMITATION
FOR INTERNET PURCHASERS
Furman products purchased through the Internet do not carry a valid Product Warranty unless purchased from an Authorized Furman Internet Dealer and the original factory serial numbers are intact (they must not have been removed, defaced or replaced in any way). Purchasing from an Authorized Furman Internet Dealer insures that the product was intended for consumer use, has passed all quality inspections and is safe. Buying through auction sites or unauthorized dealers may result in the purchase of salvaged, failed and/ or products not intended for use in the US. In addition, Authorized Furman Internet dealers have demonstrated sufficient expertise to insure warranty compliant installations. For a list of Authorized
Furman Internet Dealers go to www.furmansound.com
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M-8S - MERIT Series Power Conditioner • ENGLISH
3 YEAR LIMITED WARRANTY
PLEASE SAVE YOUR SALES RECEIPT! 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 Core Brands LLC., warrants its M-8S (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 three 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 800-472-5555 or via email (techsupport@furmansound. 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. Warranty claims MUST be accompanied by a copy of the original purchase invoice or receipt showing the purchase date. Shipping charges to Furman 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 Core Brands 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 Core Brands LLC.
THIS WARRANTY IS EXCLUSIVE. 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.
SERVICE
NOTE: All equipment being returned for repair must have an RMA (Return Materials Authorization) number. To receive an RMA number, please contact Furman Technical Services at techsupport@furmansound.com or call, (800) 472-5555, between the hours of 6 a.m. and 4
p.m., U.S. Pacific Time. In order to issue an RMA number, Furman will require the Model and Serial Number of the product, your name, address, phone number, and a brief description of the problem. An email address, if available, will be helpful in expediting your RMA. If the unit is being returned for warranty service, further information may be required to substantiate the warranty status.
Please be sure that your RMA product it is adequately packed and cushioned against damage in shipment. We suggest that you retain and use the original packaging to ship RMA materials for servicing. Furman assumes no liability for damages that occur during shipment. The RMA number should be prominently displayed on the shipping label or outside of the package. Please enclose a note with the RMA number, the Serial Number, your name, address, phone number and a brief description of the problem – failure to do so may delay diagnosis and repair
Furman Sound and Core Brands LLC. reserve the right to repackage and return repaired items using packaging materials deemed appropriate and suitable to for safe transit. Customer supplied materials, such as blankets, bubble wrap, packaging foam, and the like may be discarded if not suitable for shipment. Additionally, professional containers such as Road/Flight Cases may be shipped back separately at the owner’s expense if Furman Technical Services determines that the Road / Flight Case is unsuitable for the safe return of the RMA Materials.
Units under warranty shall be returned free of charge as stated in the Limited Warranty section of this manual. If you have any questions, please contact Furman Technical Services between 6 a.m. and 4 p.m., U.S. Pacific Time, (800) 472-5555, or via email techsupport@furmansound. com
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