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<br />does require to bemergency power.the customer deems p 7 necessaryfor the
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<br />equipment to _. supplied withemergency the following specificationsmust S. t applied:
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<br />Maximum momentary current <=80A per phase when averaged over a -second window. Notethat during 2. Materials and labor
<br />acquisition, the current harmonics (including sub- and inter -harmonics) up to 1 kHz can be substantial. Account The customer shall be solely responsible, at its expense, to provide and install all electrical ducts, boxes, raceways (conduits, wireways, auxiliary gutters etc.), fittings, bushing,
<br />fora 30% for the mains frequency +/- the fra,rne speed, up to 20% for the 5th harmonics, up to 1% for the 7 h etc., As separately specified herein.
<br />harmonics.
<br />Maximum differential mode induced disturbance voltage on these wires shall be a <3V peak at all frequencies.
<br />Maximum, common mode current on thesewires shall be less than 3 micro -amp at frequencies between
<br />30-m19o9MHz to meet EMC regulations.
<br />For systems delivered to site before Jan 2016 or with SIB (system interface box) 4522163320978. When this
<br />interface is used a Sub-D capacitive filter adapter with 5.6nF between pins and chassis shall be placed on X14 of
<br />the SIB input In the -cabinet (e.g. Amphezanol E 17 25 D 90).
<br />Electrical ':R« ti � d o g Gm_ `, z 5a Liin- 's :,4,,,._x. ,Is;S �
<br />Electrical power distribution at the facility shall comply with-
<br />tlllzation voltages per ANSI C84,1 - 2005 :;range A.
<br />Voltage to be supplied is 3 phase, Wye or symmetric Delta 34ne +
<br />Plia e conductors to be sized for instantaneous voltage drop per NEC 517.73 and Phipps recommendations.
<br />1. Power supplied to medical imaging e uiprnent must be separate from power feeds to air conditioning,
<br />elevators, outdoor lighting, and other frequently switched or motorized loads. Such loads can cause waveform
<br />disto blon and voltage fluctuations that can 3hinder high quality imaging.
<br />Equipment the utilizes the facility ��oov{..� r system to transmit control signals (especially cl ck systems)
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<br />inted`e.re ,vvith medical imaging equipment, t�'hus requiring special filtering.
<br />. 'The f-bilowing devices provide a high impedance, nonlinear voltage source, pooh may affect image quality:
<br />ta"LI UPS systems, Series filters, Power conditioners, and Voltage regulators.
<br />,�io s s � devices ' as
<br />o � �Y�� �r�ta�l such dev�c�s �n the su l n��.�ns branch circuit of the zuroon system without consulting Philips
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<br />ins a`Hation or service ei sonnel.
<br />'Une "Wnpedance is the combined resistance and inductive reactance of the electrical system and includes the
<br />to ped ,lake of the power source, the faculty distribution system, and all phase conductors between the source and
<br />the imaging equipment. The minimum conductor size is based on the total line impedance and NEC
<br />re udrea-cents. Impedance calculations are to be performed by an electrical engineer.
<br />(21.0)
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<br />T�HIIS S E T IS PART of THE DOCUMENT SET LISTED ON SHEET C1 AND SHOULD NOT BE SEPARATED.
<br />5. Conductors
<br />All conductors, separately specified, shall stranded copper, rung out and marked.
<br />6. Disconnecting
<br />Means
<br />A disconnecting means - shall ll be provided as separately specified.
<br />7. Warning Lights and Door Switches
<br />a
<br />-r onwarning lights and x-ray termination door switches should be provided at all entrances to x-ray rooms as required code.
<br />8 Dimmer Switches
<br />X-ray
<br />e o �S 1 i lights should
<br />h; uSd be provided with t 3 dimmer switchel
<br />1. The contractor will supply & install all breakers, shunt trip incoming power to the breakers. The exact location of the breakers and shunt trips will be determined
<br />the architect or contractor.
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<br />; Provide wd install c diameter chase nipples between
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<br />S ... t r. 1 _ rdr, shall
<br />1 verified
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<br />raj 4 or National§ t r
<br />�. Raceway sizes 8�;�{+ >�c. ,y4.,S �;�.., .� r�•,; �.:. architect, electrical 7i.�4 engineer i".-3 contractor, 1�1 accordance �<.d 3 kE�'?.:iiil ��a Electrical „,'�� whichever govern.
<br />7.
<br />n .,�,n ien9d. .� � ley re no �;��,a;#c n � a plan Their number b � � location are � bspecified 1• hcustomer/architect
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<br />9. In t ll an insulated stranded ground wire per feeder/conductor size from the Main Disconnect ) to the (minimum size 4 AWG) and from the to the Mains
<br />Cabinet (minimum size 4 AWG).
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