Generac 5870 User Manual

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INNOVATIVE DESIGN & PROTOTYPE TESTING 
are key components 
of GENERAC’S success in “IMPROVING POWER BY DESIGN.” But it 
doesn’t stop there.  Total commitment to component testing, reliability 
testing, environmental testing, destruction and life testing, plus testing 
to applicable CSA, NEMA, EGSA, and other standards, allows you to 
choose GENERAC POWER SYSTEMS with the confidence that these 
systems will provide superior performance.
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TRUE POWER
®
 ELECTRICAL TECHNOLOGY:
 
Superior harmonics 
and sine wave form produce less than 5% Total Harmonic Distortion for 
utility quality power. This allows confident operation of sensitive electronic 
equipment and micro-chip based appliances, such as variable speed HVAC 
systems.
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  TEST CRITERIA:
 
PROTOTYPE TESTED 
  NEMA MG1-22 EVALUATION
 
  SYSTEM TORSIONAL TESTED 
  MOTOR STARTING ABILITY
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SOLID-STATE, FREQUENCY COMPENSATED VOLTAGE REGULATION.  
This state-of-the-art power maximizing regulation system is standard on 
all Generac models. It provides optimized FAST RESPONSE to changing 
load conditions and MAXIMUM MOTOR STARTING CAPABILITY by 
electronically torque-matching the surge loads to the engine. Digital 
voltage regulation at ±1%.
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SINGLE SOURCE SERVICE RESPONSE 
from Generac’s extensive dealer 
network provides parts and service know-how for the entire unit, from the 
engine to the smallest electronic component.
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GENERAC TRANSFER SWITCHES.
 
Long life and reliability are 
synonymous with GENERAC POWER SYSTEMS.  One reason for this 
confidence is that the GENERAC product line includes its own transfer 
systems and controls for total system compatibility. 
INCLUDES:
• True Power
®
 Electrical Technology
•  Two Line LCD Tri-Lingual 
Digital Nexus™ Controller
•  Two Transfer Switch Options Available:  
100 Amp Pre-Wired EZ Switch™ or  
200 Amp Nexus Smart Switch™.  
See Page 4 for Details.
•  Electronic Governor
•  External Main Circuit Breaker,  
System Status & Maintenance  
Interval LED Indicators
• Sound Attenuated Enclosure
• Flexible Fuel Line
• Composite Mounting Pad
• Natural Gas or LP Gas Operation
• 3 Year Limited Warranty
• UL 2200 Listed
Standby Power Rating
Models 005882-1, 005870-1 (Steel) - 8 kW 60Hz
Models 005883-1, 005871-1, 006051-1 (Steel) - 10 kW 60Hz
Models 005884-1, 005872-1, 006052-1 (Steel) - 14 kW 60Hz
FEATURES
GUARDIAN
®
 SERIES
Residential Standby Generators
Air-Cooled Gas Engine
8/10/14kW
®
8/10/14kW
*Note: CUL certification only applies to unbundled units and units packaged with the EZ Switch™.  
  Units packaged with the Nexus Smart Switch™ are UL certified in the USA only.