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Generac Power Systems
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0K8420-A
Generac Power Systems 0K8420-A User Manual
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Part No. 0K8419
Rev
. A
02/23/2015
Printed in USA
©2015 Generac Power Systems, Inc. All rights reserved
S
pecifications are subject
to change with
out notice.
No reproduction allowed in any form without pri
or written
consent from Generac Power
Systems, Inc.
Generac Power Systems, Inc.
S45 W29290 Hwy
. 59
W
aukesha, WI
53189
1-888-GENERAC (1-888-436-3722)
generac.com
67
Table of Contents
Default Chapter
1
Installation Guidelines
1
Table of Contents
3
Section 1 Safety
7
Introduction
7
Safety Rules
7
General Hazards
8
Electrical Hazards
8
Fire Hazards
9
Explosion Hazards
9
Standards Index
9
Section 2 Installation Planning
11
Protector Pre-Order Checklist
11
Unit Drawings
11
Installation Drawings
11
Wiring Diagrams
12
Receiving
12
Receiving and Unpacking
12
Inspection
12
Storage before Installation
12
Long Term Storage
12
Short Term Storage
12
Lifting
13
Generator Location
13
General Location Guidelines
13
Weather Considerations
14
Accessories
14
Section 3 Foundations & Mounting
17
Generator Foundations
17
Concrete Pad
17
Dimensions
17
Unit Clearance
17
Stub up Area
17
Mounting
18
Fixed Foundation
18
Connections
18
Combustible Floor and Roof Protection
18
Section 4 Ventilation System
21
General
21
Outdoor Installation Only
21
Section 5 Gaseous Fuel Systems
23
General
23
Fuel System Conversion
23
Gaseous Fuel Properties
23
Natural Gas
23
Propane Vapor (LPV)
23
Gaseous Fuel Systems
23
Natural Gas System
23
LP-Vapor Withdrawal System
24
Drip Leg
25
Fuel Pressure Regulators
25
General
25
Definitions
26
Best Practices
26
Operating Fuel Pressure
27
Engine Fuel Consumption
27
Fuel Pressure Regulator Sizing
27
Recommended Fuel Pressure Regulators
28
Primary Fuel Pressure Regulator
28
Pipe Sizing Considerations
28
General
28
Sizing LP Tanks for Vapor Withdrawal
30
Final Operating Test
32
Gas Pressure Test Port Location
32
Final Test Procedure
33
Section 6 Electrical System
35
General Information
35
Remove Rear Panel and Stub up Cover
35
Wiring Installation Safety
35
General Wiring Requirements
35
High Voltage Connections
35
Control Wiring Connections
38
RTS Series Transfer Switch with T1 Fuse/Connection
38
RTS Series Transfer Switch Without T1 Fuse/Connection
39
Two-Wire Start
39
Optional Accessory Power
40
Install Stub up Cover and Rear Panel
40
Transfer Switch Location
40
Battery
40
General Cautions
40
Battery Size
41
Battery Installation
41
Activate Unit
43
Operational Checks
44
Self Test
44
Check Manual Transfer Switch Operation
44
Electrical Checks
45
Test Generator under Load
45
Check Automatic Operation
46
Installation Summary
46
Section 7 Lube Oil Maintainer System
47
Lube Oil Maintainer System
47
Description
47
Fill Oil Supply Tank
48
Test Functionality
48
Shutoff Valve
48
Section 8 Installation Checklists
51
Safety Checklist
51
Installation Planning Checklist
51
Foundations and Mounting Checklist
51
Ventilation System Checklist
52
Exhaust System Checklist
52
Gaseous Fuel System Checklist
53
Electrical System Checklist
53
Oil Maintainer System Checklist
54
Section 9 Installation Drawings
55
0K8420-A 25/30 Kw (1.5 L)
55
0K8624-A 22/27 Kw (2.4 L)
57
0K8636-A 36/45 Kw (2.4 L)
59
0K9268-A 32/38 Kw (2.4 L)
61
0L2090-A 60 Kw (2.4 L)
63
0K9243-A 48 Kw (5.4 L)
65
4
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Generac Power Systems 0K8420-A Specifications
General
Brand
Generac Power Systems
Model
0K8420-A
Category
Portable Generator
Language
English
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