Westward 1JYU1A - User Manual

Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or
property damage! Retain instructions for future reference.
Description
Westward battery chargers are mobile oor units designed to deliver maximum
starting power. They charge up to 60 amperes (maximum) on 6 or 12 volt batteries
(1JYT9A max 40 amps).
Chargers are equipped with a timer control, charging voltage and rate selector,
ammeter and automatic reset circuit breaker.
Important Safety
Instructions
READ THESE FIRST
1. SAVE THESE INSTRUCTIONS.
This manual contains important
safety and operating instructions.
2. Do not expose charger to rain or
snow.
3. Use of an attachment not
recommended or sold by the
manufacturer may result in a risk of
re, electric shock, or injury to
persons.
4. To reduce risk of damage to electric
plug and cord, pull by plug rather
than cord when disconnecting
charger.
5. An extension cord should not be
used unless absolutely necessary.
Form 5S4079
Printed in Taiwan
05/10 JL06
Figure 1
Operating Instructions and Parts Manual
1JYT9A, 1JYU1A, 1JYU2A and 1JYU3A
E
N
G
L
I
S
H
P1
Primary AC
input@ rated
12 V output
Power Supply
Requirements
Max Continuos
Charge Output
Start Output
@7.2V
Medium charge
output
Motorcycle or
nishing charging
Average
Charging Time
Primary AC
input@start
120 VAC,
60 Hz
8.5 Amps
@120V
60 Hz
40 Amps
@6/12V
200 Amps
@7.2V
130 Amps
@6V
20 Amps
@12V
2 Amps
@12V
3/4 to 1/2 hr
29 Amps
120 VAC,
60 Hz
12.0 Amps
@120V
60 Hz
60 Amps
@6/12V
250 Amps
@7.2V
185 Amps
@6V
40 Amps
@12V
2 Amps
@12V
1/2 to 1 hr
43 Amps
120 VAC,
60 Hz
12.0 Amps
@120V
60 Hz
60 Amps
@6/12V
250 Amps
@7.2V
185 Amps
@6V
0-60 Amps
@6/12V
0-3 Amps
@6/12V
1/2 to 1 hr
58 Amps
120 VAC,
60 Hz
12.0 Amps
@120V
60 Hz
60 Amps
@6/12V
30 Amps
@24V
225 Amps
@7.2V
160 Amps
@6V
40 Amps
@12V
Not
Applicable
1/2 to 1 hr
35 Amps
Specications 1JYT9A 1JYU1A 1JYU2A 1JYU3A

Summary

Important Safety Instructions

Read These First

Crucial safety and operating instructions to review before using the charger.

Risk of Explosive Gases

Warning about explosive gases near lead-acid batteries and necessary precautions.

Personal Precautions

Essential personal safety measures for working near lead-acid batteries.

AC Cord and Connection Cautions

Safety warnings and precautions regarding AC power cord and DC clip connections.

Vehicle Charging Safety

Safety precautions when charging a battery installed in a vehicle.

Off-Vehicle Charging Safety

Assembly Instructions

Operation

Charging Time Calculation

Model 1 JYU2 A Controls

General Charging Information

Timer Control Operation

Maintenance

Troubleshooting Chart

Westward 1JYU1A Specifications

General

Brand	Westward
Model	1JYU1A
Category	Battery Charger
Input Voltage	120VAC
Charger Type	Automatic
Display	LED Indicators
Output Voltage	12V
Output Current	10A
Battery Compatibility	Lead-Acid
Protection Features	Reverse Polarity, Overcharge, Short Circuit
Charging Modes	3-Stage Charging