Generac Power Systems Stationary Emergency Generator Page 21 Installation Manual Download | Manualshive

Page: 21 / 26

background image

19

Operation

Figure 3.6 — Nexus to RTS/Nexus Smart Switch (Drawing 0H7453-C)

«
...
19
20
21
22
23
...
»

Summary of Contents for Stationary Emergency Generator

Page 1: ...This manual should remain with the unit Not intended for use in critical life support applications OUTDOOR INSTALLATION ONLY Installation Manual Stationary Emergency Generator ...

Page 2: ...Systems 7 1 9 Calculating Volumetric Flow Rate and Pipe Size 10 1 10 Electrical Connections 13 1 11 Battery Installation 13 1 12 Generator Activation 14 INSTALLATION 16 2 1 Transfer Switch 16 2 2 Unpacking 16 2 3 Mounting 16 OPERATION 16 3 1 Basic Standby Electric System 16 3 2 Standby Circuit Isolation Method 16 3 3 Total Circuit Isolation Method 17 3 4 All Transfer Switch Installations 17 3 5 Ne...

Page 3: ...will be found within the regular text body of this manual These safety warnings cannot eliminate the hazards that they indicate Common sense and strict compliance with the special instructions while performing the action or service are essential to preventing accidents Four commonly used safety symbols accompany the DANGER WARNING and CAUTION blocks The type of information each indicates is as fol...

Page 4: ...building codes Comply with regulations the Occupational Safety and Health Administration OSHA has established Also ensure that the generator is installed operat ed and serviced in accordance with the manufacturer s instruc tions and recommendations Following installation do nothing that might render the unit unsafe or in noncompliance with the aforementioned codes standards laws and regulations Ke...

Page 5: ...cal help Never wear jewelry when working on this equipment Jewelry can conduct electricity resulting in electric shock or may get caught in moving components causing injury FIRE HAZARDS Keep a fire extinguisher near the generator at all times Do NOT use any carbon tetra chloride type extinguisher Its fumes are toxic and the liquid can deteriorate wiring insulation Keep the extinguisher properly ch...

Page 6: ... with applicable codes standards and regulations should install this standby electric power system The installation must comply strictly with all codes standards and regulations pertaining to the installation After the system has been installed do nothing that might render the installation in noncompli ance with such codes standards and regula tions 1 2 1 NFPA STANDARDS Applicable national state o...

Page 7: ...l codes vary Place the pad high enough to keep rising water from reaching the generator Make sure the generator will have adequate and unob structed airflow by choosing an open space free of trees shrubs buildings or other obstructions Figure 1 1 Figure 1 1 Mounting Pad The unit must be positioned so air vents won t become clogged with leaves grass snow or debris Make sure that exhaust fumes will ...

Page 8: ...ll phases of handling and unpacking 1 7 GENERATOR PLACEMENT Use a forklift boom truck or similar equipment with sufficient capacity to move the generator to the mounting pad area The operator should be certified and experienced in generator instal lation Figure 1 4 Figure 1 4 Lifting the Generator Before placing the generator on the pad inspect for shipping dam age and if necessary file a claim wi...

Page 9: ...of the flexible fuel line Figure 1 8 Figure 1 8 Flexible Fuel Line After checking all connections for leaks check the static gas pressure at the secondary regulator to ensure there is sufficient pressure to operate the generator see Owner s Manual If the static pressure is too low or is higher than 14 inches of water column notify the local gas supplier Figure 1 9 Figure 1 9 Water Column 1 8 3 PRO...

Page 10: ...vapor system at the frame of the generator are the same as those listed for natural gas in The Natural Gas System See Table 1 for information regarding the vapor capacity of LP tanks The installer should be aware of the following When ambient temperatures are low and engine fuel consump tion is high the vapor withdrawal system may not function efficiently Ambient temperatures around the supply tan...

Page 11: ... Recommended 70kW 5 14 Water Column Recommended 70kW Figure 1 11 Typical LP Gas Vapor Withdrawal System Gas Actuator Primary Regulator Supplied by Installing Contractor 11 14 Water Column Recommended 70kW 5 14 Water Column Recommended 70kW Flex Fuel Line Supplied with Unit Generator Base Fuel Shutoff Regulator Assembly Manual Shutoff Valve Figure 1 10 Typical Natural Gas System General Information...

Page 12: ... for Natural Gas from Equation 1 ṁ p and ṁ 91 34 lb hr p 0 0383 90 60 11111 p 0 0356 lb ft3 Thus 91 34 0 0356 And 2566 ft3 hr 1 9 2 CALCULATING PIPE SIZE Now that the volumetric flow rate has been identified the mini mum pipe size can be determined by using Table 2 This table is based on a specific gravity of 1 00 specific gravity of air For that reason a correction is required when the fuel used ...

Page 13: ...5 750 1220 2480 3850 6500 13880 38700 79000 30 52 120 241 535 850 1780 2750 4700 9700 27370 55850 45 43 99 199 435 700 1475 2300 3900 7900 23350 45600 60 38 86 173 380 610 1290 2000 3450 6800 19330 39500 75 77 155 345 545 1120 1750 3000 6000 17310 35300 90 70 141 310 490 1000 1560 2700 5500 15800 32250 105 65 131 285 450 920 1430 2450 5100 14620 29850 120 120 270 420 860 1340 2300 4800 13680 27920...

Page 14: ...00 40 31 60 20 51 500 119 37 46 30 0 100 150 40 35 100 20 53 850 165 41 50 50 0 105 170 40 36 120 20 51 1000 192 41 50 60 0 103 Propane storage tanks can provide either a liquid or a vapor supply to the generator The above chart is for vapor withdrawal only and provides the kW output or amount of vapor that can be withdrawn at a given temperature while keeping the temperature of the liquid above t...

Page 15: ...al or the wiring diagram in the Owner s Manual that is supplied with the unit Figure 1 13 Battery Charger Connection 1 11 BATTERY INSTALLATION Standby generators installed with automatic transfer switches will crank and start automati cally when NORMAL UTILITY source voltage is removed or is below an acceptable preset level To prevent such automatic start up and pos sible injury to personnel do no...

Page 16: ...arge before they are installed on the generator When using maintenance free batteries it is not necessary to check the specific gravity or electrolyte level Have these proce dures performed at the intervals specified in the Maintenance section in the Owner s Manual A negative ground system is used Battery connections are shown on the wiring diagrams Make sure all batteries are correctly connected ...

Page 17: ...u already have your activation code wait 3 5 seconds for the next display ENTER ACTIVATION CODE Passcode TROUBLESHOOTING Display Reads Use ARROW keys to scroll and find the first num ber of your Activation Code Press ENTER to select Repeat this step until all digits have been entered Use ESCAPE to correct previous digits Display Reads Activation is complete when all digits are entered above and yo...

Page 18: ...ition switches Because load circuits can only be connected to one power supply at a time open transition switches prevent electrical feedback between utility circuits and generator circuits Figure 2 1 Figure 2 1 Connect Power Leads 3 1 BASIC STANDBY ELECTRIC SYSTEM Figure 3 1 shows a schematic diagram of a basic standby electric system Both the UTILITY power supply and the STANDBY GEN ERATOR outpu...

Page 19: ...alled between the utility service entrance and the building distribution panel The generator will be backing up all electrical loads within the circuit so the amperage rating of the transfer switch must be equal to or greater than the amperage rating of the normal utility service Unless a service entrance rated transfer switch is used a main service disconnect D must be located before the transfer...

Page 20: ...re to turn OFF both the NORMAL UTILITY and STANDBY EMERGENCY power supplies before trying to connect power source and load lines to the transfer switch Supply voltages are extremely high and dangerous Contact with such high voltage power supply lines causes extremely hazardous possibly lethal electrical shock Be sure to maintain proper electrical clearanc es between live electrical parts and groun...

Page 21: ...19 Operation Figure 3 6 Nexus to RTS Nexus Smart Switch Drawing 0H7453 C ...

Page 22: ...T1 NEU and leads 23 and 194 Control system interconnection leads must be run in a conduit that is separate from the AC power leads Recommended wire gauge size depends on the length of the wire Max Cable Length Recommended Wire Size 460 feet 140m No 18 AWG 461 to 730 feet 223m No 16 AWG 731 to 1 160 feet 354m No 14 AWG 1 161 to 1850 feet 565m No 12 AWG 3 7 2 LOAD WIRING Power source and load line c...

Page 23: ...5 30 20 20 25 12 10 30 35 40 25 30 35 10 8 40 50 55 30 40 45 8 6 55 65 75 40 50 60 6 4 70 85 95 55 65 75 4 3 85 100 110 65 75 85 3 2 95 115 130 75 90 100 2 1 110 160 150 85 100 115 1 1 0 125 150 170 100 120 135 1 0 2 0 145 175 195 115 135 150 2 0 3 0 165 200 225 130 155 175 3 0 4 0 195 230 260 150 180 205 4 0 250 215 255 290 170 205 230 250 300 24 285 320 190 230 255 300 350 260 310 350 210 250 28...

Page 24: ...Part No 0H8218 Revision F 05 08 12 Printed in U S A ...

Page 25: ......

Page 26: ......

Reviews:

No comments

Related manuals for Stationary Emergency Generator

Brand: Rohde & Schwarz Pages: 95

Varispeed-606PC3

Brand: YASKAWA Pages: 157

BeoLink Converter NL/ML

Brand: Bang & Olufsen Pages: 45

Brand: Enerdrive Pages: 2

Brand: Volt Polska Pages: 5

Brand: Davis Instruments Pages: 24

Brand: Omicron Pages: 19

Brand: M-system Pages: 3

Single Phase Series

Brand: Zeus Appollo Pages: 12

Brand: Kipor Pages: 18

Brand: Sungrow Pages: 112

Brand: VigilLink Pages: 14

SCSI Differential Converter

Brand: Black Box Pages: 3

Brand: Delta Electronics Pages: 2

Brand: RED Pages: 27

Brand: Linear Technology Pages: 6

Brand: Wacker Neuson Pages: 42

Brand: Xantech Pages: 6

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands