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004892
Generac Power Systems 004892 User Manual
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Part No. 0L4636
Rev
. E
09
/18/17
©2017 Generac Power Systems, Inc.
All rights reserved
Specifications are subjec
t to ch
ange without
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 53
189
1-888-GENERAC (1-888-436-3722
)
www
.generac.co
m
43
Table of Contents
Default Chapter
3
Table of Contents
3
Section 1: Introduction and Safety Introduction
5
Safety Rules
5
Safety Symbols and Meanings
6
Section 2: General Information Unpacking
7
Equipment Description
7
Service Disconnect
7
Transient Voltage Surge Suppression
7
Automatic Transfer Switch
8
Panel Board
8
Transfer Mechanism
8
Ratings-Data Label
9
Panel Board Enclosure
9
Safe Use of Transfer Switch
9
Transfer Switch Mechanism
9
Transfer Switch Data Decal
9
Section 3: Installation
11
Introduction to Installation
11
Mounting the Enclosure
11
Connecting Power Source and Load Lines
11
2-Pole Mechanism
11
Connecting Start Circuit Wires
12
On-Site Generator Connections
12
Battery Charger
13
Auxiliary Contacts
13
Section 4: Operation
15
Functional Tests and Adjustments
15
Manual Operation
15
Close to Normal Source Side
15
Close to Generator Source Side
16
Return to Utility Source Side
16
Voltage Checks
16
Utility Voltage Checks
16
Generator Voltage Checks
17
Main Contacts at Normal (Utility)
18
Main Contacts at Neutral
18
Main Contacts at Standby (Emergency)
18
Sequence of Operation
19
Sequence 1 - Voltage/Frequency Dropout
19
Sequence 2 - Line Interrupt Delay
19
Sequence 3 - Engine Minimum Run and Warmup Timers
19
Sequence 4 - Standby Voltage and Frequency Sensors
19
Sequence 5 - Voltage Pickup
19
Sequence 6 - Return to Utility Timer
19
Sequence 7 - Engine Cool down Timer
19
The Human Machine Interface (HMI)
20
Home Screen
20
Status
20
Sequence of Operation Settings
21
Pushbutton Arrow
21
Configuration Menu
21
Transfer Switch Settings #1
22
Transfer Switch Settings #2
22
Transfer Switch Settings #3
23
Transfer Switch Settings #4
23
Exercise and Clock Setup
23
Exercise Setup
24
Manual Tests
24
Input/Output Signal Maintenance
25
Voltage Measurement Display
25
Voltage Measurement Maintenance
25
System Status
25
System Utility Menu #1
26
System Utility Menu #2
26
Generator Tests under Load
27
Checking Automatic Operation
27
Installation Summary
27
Shutting Generator down While under Load
28
Section 5: Maintenance
29
Operate Transfer Switch
29
Clean and Inspect Transfer Switch
29
Main Current Carrying Contacts
29
Twelve-Volt Batteries (Two)
29
Lubrication
29
Section 6: Modbus Map
31
Description
31
Communication Settings
31
Modbus Settings
31
RS232 Pinout
31
Data Map
31
Section 7: Drawings and Diagrams
33
Assembly Drawing (10000013521, 1 of 3)
33
Assembly Drawing (10000013521, 2 of 3)
34
Assembly Drawing (10000013521, 3 of 3)
35
Schematic Drawing (0L4633-C, 1 of 2)
36
Schematic Drawing (0L4633-C, 2 of 2)
37
Wiring Diagram (0L4634-C, 1 of 2)
38
Wiring Diagram (0L4634-C, 2 of 2)
39
Installation Drawing (0L4635-A, 1 of 2)
40
Installation Drawing (0L4635-A, 2 of 2)
41
4
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Generac Power Systems 004892 Specifications
General
Brand
Generac Power Systems
Model
004892
Category
Controller
Language
English
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