User manual FURMAN PS8RE INSTALL GUIDE

[. . . ] Petaluma, California 94954-6919 USA Phone: 707-763-1010 · Fax: 707-763-1310 www. furmansound. com E-mail: info@furmansound. com Power Sequencer MODELS PS-8, PS-8R, PS-8E and PS-8RE Instruction Sheet PS-8 . eatures q q q q q q q q Power-up in three delayed outlet groups Power-down reverses sequence Triple-mode varistor spike and surge suppression RFI filtering with multi-stage pi filter Power Status LED's indicate which outlet groups have power Mains Wiring indicators monitor wiring integrity, show Normal and five kinds of faults Rated 15 amps Remote option allows turn-on and turn-off at a distance simply by connecting a momentary or maintained-contact switch (and LED if desired) Multiple units may be linked to handle higher currents and/or more than three delay groups Three pairs of switched outlets on rear panel Three unswitched outlets (one front, two rear) Circuit breaker Ten foot heavy duty A. C. cord Three year limited warranty Power Sequencing . eatures Using the PS-8 is a simple and inexpensive way to apply and remove power in a controlled, repeatable, foolproof 3-step sequence. It is ideal when large installations must be switched by inexperienced personnel. The PS-8 provides three outlet pairs labeled Delay 1, Delay 2, and Delay 3, that receive power approximately 1/2, 5, and 10 seconds, respectively, after the front panel switch is thrown to "ON. " When thrown to "OFF, " the sequence is reversed, with Delay 3 losing power after approximately 1/2 second, Delay 2 after 5 seconds, and Delay 1 after 10 seconds. [. . . ] The range of adjustment of the delay interval is from a minimum of about 1 second to a maximum of about 7 seconds. 220/240V Versions (Units with E Suffix Only) Models PS-8E and PS-8RE are intended for use in countries with nominal 220 to 240 volt AC lines. They are identical to the PS-8 and PS-8R except their rear panel outlets are the internationally-accepted IEC-320 connectors. They are rated at 10 amps. Remote Switching (Units with "R" Suffix Only*) Model PS-8R and PS-8RE differ from the corresponding models without the "R" suffix in the addition of a barrier terminal strip on the rear panel that allows a switch to be connected to turn the unit on and off at a distance, and also in the START ON-OFF SEQUENCE pushbutton on the front panel. In the most basic configuration, only two Class 1 wires and an SPST switch are needed to initiate an ON or OFF sequence. The switch may be either a momentary or maintained-contact type. If a third wire is used, an LED may also be installed at the remote end to indicate that the power is on. When first plugged in (or after power is lost and reapplied for any reason) the "memory" state is OFF. This means the unit will be OFF even if the front panel on/off rocker switch is on. It will stay off until sequenced on by a momentary connection of the REM IN terminal to +12V. The sequence starts on the rising edge of the signal. The front panel START ON-OFF SEQUENCE switch is in parallel with, and functionally equivalent to, one or more remote momentary switches connected to the barrier strip in the rear. The "memory" is independent of the front panel on/off rocker switch. This means that even if the unit is sequenced OFF by the rocker switch on the front panel, when the rocker switch is turned back on the unit will sequence back on -- it will not be necessary to push the START ON-OFF SEQUENCE button again. The unit "remembers" its state until the incoming power is lost, which would then default back to OFF. The front panel rocker is not the primary means of control in momentary mode, and should normally be left ON. It may be a useful secondary means of control in the rare case of having several PS-8R's in parallel, if there is some reason to shut down one unit without affecting the others. Because it is a maintained-contact switch, the RS-1 is not an appropriate remote switch for the PS-8R when it is in momentary mode. The momentary-contact RS-2 would be the correct choice. Maintained vs. Momentary Contact Switching Maintained switches, such as most toggle switches and push-on/push-off button switches (including the Furman RS-1), stay open until thrown, then stay closed until thrown again. Momentary switches, usually pushbutton types like the Furman RS-2, are normally open and stay closed only as long as the button is pressed. An on-off switch of either kind may be used to actuate the PS-8's remote operation. Maintained switches are generally most convenient when there is only one remote location. [. . . ] PS-8E: 500V peak Response Time: 1 nanosecond Maximum Surge Current: 6, 500 amps (8 x 20 ms pulse) Maximum Spike Energy: 80 joules per mode, 240 joules total protection ("E" versions 130 joules L-N, 160 joules N-G, L-G, 450 joules total) Noise Attenuation: PS-8 and PS-8R: Transverse and common modes: 20 dB at 200 kHz, rising to >40 dB, 1 to 100 MHz Mechanical: Dimensions: 1. 75" H x 19" W x 8" D. Construction: Steel chassis, zinc chromate plating; . 125" brushed and black anodized aluminum front panel; 3 oz. copper double-sided glass epoxy printed circuit board Power Consumption: Switch off: 6 watts Switch on: 8. 5 watts © Maximum load: Blinking DELAY 1 Indicator The DELAY 1 LED on a PS-8R blinks whenever the unit is OFF due to the remote switch. In Maintained Mode, this will only occur when the REM IN terminal is tied to +12V. [. . . ]