Aclara Technologies 6717 Telemetry Transmitter for Automatic Meter Reading User Manual Unknown
Aclara Technologies LLC Telemetry Transmitter for Automatic Meter Reading Unknown
Installation Manual
EXHIBIT F Ill. LLWH September 22, ms STAR Fri-SET MTL' lNSTALLATlON PIT COVER PREPARATION The STAR MTU requires a drilled hole until a minimum dramaer ofl 750 and a maximum diameter of l 790 Typimll)‘ n 1,750 cote drill is used for cast-inn covers The outer thickness can be from 250“ to I 315" MTU's for ducks covers (typtfilly concrete) can be supplied upon request, Both the top and batotn cnvcr surfam must be evaluated before the hole location is chosen. The hole location must be selected so that the strength of the lid is not mrhiced (See wanting below). For example, ribs on the underside ofthc wver must not be out when boring the hole. The top surface of the cover must provide a consistent mounting surface for the MTU flange In general, the flange is designed lobe placed over a smooth surface, or one covered with closely spaced ribs or humps that are usually ("mind on a non-skid surface. Hanover, if the surface is inta-ruplad with raised laters or other irregular ddails, the hole should be located so that the flange misses M “necessary, leaning tint is toured by the flange on he removed with a simple machining operation that is preformed at the tune the hole is bored 011m, a cold chisel will remove the leasing SPACER SELECTION The pit-set MTU housing is passed through the cover hole and Joined with the fins: which is snapped over the end cfthe housing The MTU is secured by tightening the three clamping screws, Before this is done, it is necessary to select the proper number of spinners so lint the adjustment range is correct, When the proper number ofspaccrs are used, the top surfice ofthc cover (flange contact surface) will fall bum the two linen auhoaed on the housing. This measurement is performed truth the clamp in place and theclamping screw: fully retracted, MTL' MOUNTING Whattltcspaoetcoumisverified, thehmsingtspusedthmghtheholer Theflangets strapped over the top of the housing. Do not attempt to snap (I! flange in plate by pressing with the palm of your hand. This tends to apply pressure to the tube and not tho flange, lnstmd, cup the hand and press with the finger! on the flange only; this is done while the housing |S held in place with the calm hand When a loud “strap" is hunt. than the Hang: is in place Note tl'ett the flange may pass beyond the ddatt location andtonards the cover This is not a problem; when the semis are tightened the flange vnll slide towards the end of the housing and sup into place with a loud “snap". LLlSéfl'l The screws must be tightened evenly so that the clamping forces remain equal. Once the screws contact the cover they should each be turned only a fraction ofa turn at a time in a etrcular pattern to insure even clamping. A torque wench must be and to set torque at 4 m —1h_s (64 in — oz). A torque-setting nut driver (such as Gmmgu PIN 6C436) is issenttal The damning screws require a 5/16" socket INSPECTING MTU lNSTALLTlON Proper mounting can be verified by checking that all segments of the flange nrv: properly sent/ed around the MTU housing lfan) of the segments mnot smooth and flush with the top surface at the housing, rt means that the cover surface was not smooth orthat debris was present under the flange In this case the flange must be removed and the installation redone. (See below) METER-MT U WIRING The MTU may be wired to me meter either before or alter installation in the cover. In fncL m some cam it may be convenient to pie-wire registers and MTU‘: atthe meter shop. It is necessary to use the proper splicing equipment to connect the register and MTU If connection is made at the register. the connections nntst be carefully sealed using mpounds recommended by the meter nunufnmtmr lftlte mgtsvcr is supplied with an integml cable and a eablc-to-eehle splice is nude. a gel-filled splice hnx such as 3M DER-6, dsigned for direct burial, must be used to sfll flte individual splices. This is absolutely essential with pulse-type rumors (RTK Weignni or Reed Switch). Refer to Hexagmm wiring infonmxion for hook—up details. PROGRAMMING The Psion ham—held programmer, along with the standard about, cable, and probe is uwd to program file STAR pit-w MTU‘s. The probe is held over the blue down the housing throughout the programming cycle. See the Prognmmtng Manual for details. MTU REMOVAL The flange 3 destgn‘ edlo pemtanenlly smpommlu: MIAU housmg' Whet'tlrlilu is to beremoved, it isneessarytocuttheflzngetofnalnmettstemovnlfiom «first, ”fluscanbc donebylooseningtheclarnpscrewsattdwmngdteflangeatane i usmg ttn Snips. wit: cult/er. or chisel. WARNING: . . ‘ Drilling the pit cover may compromise the cover strength. Hengrntn is no responsible for darn-[es due to the cover mdtl'scmont.
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