output channels. This provides a 6 dB level boost. .. .......................................................................................................................................................................................................................................... signal is ignored. Output Mode .. .................................................................................................................................................................................

....................................................................................................................................................F .. ....................................................................................................................................................Z .. ..............................................................................................................................................................................E .. ...............

2. Connect a speaker to each channel output using Speakon®, Banana Plugs, or bare wire. Factory Preset #2: BRIDGE Putting the amplifier in BRIDGE (bridge-mono) mode delivers the power of both amp channels into a single 8 or 4 ohm load. The XTi2 Series amplifiers come pre-loaded with a preset that makes it easy to configure the amplifier for this operation. Before you get started ensure that you: 1. Connect signal source to Channel 1 and Channel 2 using XLR connectors (the amplifier inputs will a

This manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible situation which may arise during installation, operation or maintenance. The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have occurred. To obtain the latest version of this manual, please visit the Crown website at Trademark Notice: Crown, Crown Audio, and Amcron are registered trad

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wide n Multiple boiler systems provide increased turndown and even smoother, more efficient system operation n 4 boilers w/4:1 Turndown =16:1 total system turndown 40 100 140 VW/ VB-500 500,000 421,500 1,268 507 362 56 30 37.5 30 450 VW/ VB-750 750,000 633,750 1,901 761 543 62 30 37.5 30 575 VW/ VB-1000 1,000,000 845,000 2,535 1,014 724 71 30 37.5 30 750 With Ac-U-Temp, A. O. Smith makes it as easy as possible to install a complete packaged hot water supply system, combining 88% efficient VF Ser

NOTE: Do not use a push type ratchet screwdriver. 1. Strip 7/16 in. of insulation from the wire end. 2. Wrap the wire at least three-fourths of the distance around the screw as shown. 3. Using a standard, flat-headed screwdriver, tighten the screw until the wire is snugly in contact with the screw and contact plate. 4. Tighten the screw an additional one-half turn. Fig. 4—Typical hookup for L8151A in a single zone system. L1 (HOT) L2 1 2 3 1 2 3 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOA

Because the and post purge operating states and at lower speeds sensing tubes are T fitted together it is not con- during all other operating states. High blower prover clusive which BPS is at fault. IE: a leaking diaswitch contacts must close during the pre and post phragm on the Low BPS could prevent the High purge states ONLY and open during all other BPS from closing its contacts. Therefore - operating states. replace both the High and Low BPS. OR Normally Open Low Blower Prover pressure swi

Ball Valve...............................................................191935 2......Tank/Pump Kit (LW Models Only - Not Shown)......210625 3......Hex Reducing Bushing (LB Only).......................... 91940-8 4......Flush Bushing (LB Only).......................................192163-2 5...... Relief Valve (LW Model)........................................ 98883-3 Relief Valve (LB Model).........................................210451-2 6......Strap, Cable (not shown).............