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Owner's Manual
100 Amp Generac Load Manager
WARNING
Loss of life. This product is not intended to
be used in a critical life support application.
Failure to adhere to this warning could result
in death or serious injury.
(W000209)
Register your Generac product at:
WWW.REGISTER.GENERAC.COM
1–888–9ACTIVATE
(1–888–922–8482)
SAVE THIS MANUAL FOR FUTURE REFERENCE
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Summary of Contents for Generac Power Systems G0070061
- Page 1 Owner’s Manual 100 Amp Generac Load Manager WARNING Loss of life. This product is not intended to be used in a critical life support application. Failure to adhere to this warning could result in death or serious injury. (W000209) Register your Generac product at: WWW.REGISTER.GENERAC.COM 1–888–9ACTIVATE (1–888–922–8482)
- Page 2 Model Number Model: G0070061 Serial: Date Purchased: CALIFORNIA WARNING This product can expose you to chemicals including styrene, which is known to the State of California to cause cancer, and bisphenol A, which is known to the State of California to cause birth defects or other reproductive harm.
- Page 3 Table of Contents Section 1: Safety Introduction ............5 Read This Manual Thoroughly ........5 Safety Rules ............5 How to Obtain Service .......... 5 General Hazards ............ 6 Section 2: General Information and Setup Load Management Options ........7 Application Considerations ......... 7 Generac Load Manager ........
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- Page 5 Safety Section 1: Safety Introduction hazardous if performed incorrectly or carelessly. Observe them carefully. Alert definitions are as follows: Thank you for purchasing a Generac Load Manager. Generac Load Managers are designed to work together DANGER to prevent a home standby generator from being over- loaded by large appliance loads.
- Page 6 Consult the dealer or an experienced radio/TV technician for help. CAN ICES-003 (B) / NMB-003 (B) Changes or modifications not expressly approved by Generac Power Systems could void the user’s authority to operate the equipment. General Hazards DANGER Electrocution. Turn utility and emergency power supplies to OFF before connecting power source and load lines.
- Page 7 General Information and Setup Section 2: General Information and Setup Load Management Options Generac Load Manager Load management systems are designed to work togeth- Any 240V loads up to 100A (resistive, 90A inductive), in- er to avoid a generator from being overloaded by large cluding central air conditioners, can be managed using a appliance loads.
- Page 8 General Information and Setup Generac Load Manager and Carton Test Button (C)—Disables contactor output for a speci- fied time. Contents LED (D)—Provides module status. See Table 2-3 Priority Dial (A)—Sets module priority. Contactor (E) — Normally OPEN. If generator begins to NOTE: PRIORITY MUST BE DIFFERENT for each overload, the contactor opens to take load off generator module in an installation.
- Page 9 General Information and Setup Setting Lockout • (4) Mode Selector Jumper (identified on control board as “Lock Out Jumper”)—position A is default The Generac Load Manager is equipped with a lockout for most applications provision. The Generac Load Manager can be set to ena- NOTE: Change in jumper (4) is only required for specific ble LOCKOUT mode if load is identified as non-essential applications and should not be moved under normal cir-...
- Page 10 General Information and Setup Table 2-2. Lockout Switch Settings Lockout Switch Mode Se- Mode Function Setting lector Jumper Position LOCKOUT LOAD ON Generator Module sheds load and does not reconnect until utility returns or GENERATOR overload goes away. This setting is considered standard for most installations.
- Page 11 General Information and Setup Figure 2-3. Figure 2-3. Generac Load Manager Sequence of Operations 100 Amp Generac Load Manager Owner’s Manual...
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- Page 13 Installation, Tests, and Troubleshooting Section 3: Installation, Tests, and Troubleshooting Electrical Specifications NOTE: Use the Digital Multimeter (DMM) LowZ low input impedance setting to collect accurate voltage measure- ments. LowZ eliminates the possibility of inaccurate ghost Input voltage 240 VAC voltage readings, also known as phantom voltage or stray Current rating 100A resistive, 90A inductive...
- Page 14 Installation, Tests, and Troubleshooting Figure 3-1. Connections DANGER Electrocution. Turn utility and emergency power supplies to OFF before connecting power source and load lines. Failure to do so will result in death or serious injury. (D000116) Figure 3-2. 009377 009113 Figure 3-2.
- Page 15 Installation, Tests, and Troubleshooting Table 3-1. Recommended Wire Sizes Priority 1: Baseboard heat Priority 5: Non-essential circuits Temperature rating of conductor: 167 ºF (75 ºC) Priority 2: Air conditioner Priority 6: Pool pump or hot Conductor types: RHW, THHW, THW, THWN, XHHW, USE, ZW Priority 3: Range Priority 7: Other circuits...
- Page 16 Installation, Tests, and Troubleshooting Troubleshooting Table 3-2 for troubleshooting problems, causes, and corrections. Table 3-2. Troubleshooting Problem Cause Correction Load not powered; LED is OFF Circuit breaker disabled. Enable circuit breaker. Load not powered; LED is OFF MLCB disabled and generator Enable MLCB if utility is present or verify generator OFF.
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- Page 20 Part No. 10000041226 Rev. D 7/15/2024 Generac Power Systems, Inc. © 2024 Generac Power Systems, Inc. S45 W29290 Hwy. 59 All rights reserved. Waukesha, WI 53189 Specifications are subject to change without notice. 1–888–GENERAC (1–888–436–3722) No reproduction allowed in any form without prior written www.generac.com...
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